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ESG Family Signal Generators User`s Guide

1. Default Value 400 0 Hz Softkey Location FM M hardkey gt FM M softkey M gt M Waveform gt Dual Sine gt M Tone 2 Rate 4 73 Hardkey and Softkey Reference ESG Family Signal Generators Phase Modulation M Waveform Bus Pressing this softkey reveals a menu of M waveform choices for your M Path 1 and M Path 2 configurations Select from sine triangle square ramp noise dual sine and swept sine waveforms Notice that your waveform selection applies only to whichever M path configuration you have currently selected Default Value Sine Softkey Location FM M hardkey gt FM M softkey M gt M Waveform This softkey is one of the choices in the M Sweep Trigger menu With Bus Selected you use the GPIB to trigger single sweeps of swept sine phase modulation Softkey Location FM mM hardkey gt FM M softkey M gt M Waveform gt Swept Sine gt M Sweep Trigger gt Bus DCFM DCOM Cal Dual Sine Ext 4 74 Pressing this softkey initiates a DCM calibration This calibration eliminates the offset in DC phase modulation so that the carrier phase remains the same with no modulation applied External DC coupled M must be active when this command is executed Softkey Location FM mM hardkey gt FM M softkey M gt DCFM DC M Cal Pressing this softkey reveals a menu of choices for setting the dual sine phase modulation parameters In this menu you can set the M rates for two separate tones In addition yo
2. Softkey Location FM M hardkey gt FM M softkey M gt M Waveform gt Dual Sine gt M Tone 1 Rate M Tone 2 Ampl Percent Of Peak Press this softkey to set the amplitude of the alternate frequency rate as a percent of the peak LF analog modulation amplitude The primary frequency rate will make up the remaining amplitude This softkey is for use with dual sine modulation only For example if the Tone 2 amplitude is 0 then there would be no amplitude for Tone 2 all of the signal strength would be present in Tone 1 If M Tone 2 Ampl Percent Of Peak iS set to 50 then Tone 2 and Tone 1 would have equal amplitudes or half of the amplitude of both tones combined Default Value 50 0 Softkey Location FM M hardkey gt FM M softkey M gt M Waveform gt Dual Sine gt M Tone 2 Ampl Percent Of Peak M Tone 2 Rate User s Guide Press this softkey to set the internal modulation frequency for the 6M tone 2 Enter the desired rate using the up and down arrow keys the front panel knob or enter a value using the numeric keypad and press the kHz or Hz terminator softkey The range of values allowed is 0 1 Hz through 50 kHz The minimum increment allowed is 0 1 Hz This softkey is coupled to the M Stop Rate softkey in the PM Swept Sine Menu Any value set for M Tone 2 Rate is reflected in the M Stop Rate softkey Conversely if you change the value for the M Stop Rate softkey the value for M Tone 2 Rate is changed to match
3. LF Out Waveform gt Swept Sine gt LF Out Sweep Trigger LF Out Tone 1 Freq Press this softkey to set the frequency for the LF Out tone 1 Enter the desired frequency using the up and down arrow keys the front panel knob or enter a value using the numeric keypad and press the kHz or Hz terminator softkey The range of values allowed is 0 1 Hz through 50 kHz The minimum increment allowed is 0 1 Hz This softkey is coupled to the LF Out Freq softkey in the initial LF Out Menu and the LF Out Start Freq softkey in the LF Out Swept Sine Menu Any value set for LF Out Tone 1 Freq is reflected in the LF Out Freq and LF Out Start Freq softkeys Conversely if you change the value for either the LF Out Freq softkey or the LF Out Start Freq softkey the value for LF Out Tone 1 Freq is changed to match This softkey is only active when you have selected the internal source to operate as a function generator Default Value 400 0 Hz Softkey Location LF Out gt LF Out Source gt Function Generator gt LF Out Waveform gt Dual Sine gt LF Out Tone 1 Freq User s Guide 4 57 Hardkey and Softkey Reference ESG Family Signal Generators LF Out LF Out Tone 2 Ampl Of Peak Press this softkey to set the ratio of the peak amplitude of LF Out tone 2 to the peak amplitude of LF Out as a percent The range of values allowed is 0 to 100 The minimum increment allowed is 0 1 The sum of the two LF Out amplitudes results in the total LF Out
4. M softkey M gt M Waveform gt Swept Sine gt M Sweep Trigger gt Ext gt Trigger In Polarity Neg Pos This softkey is one of the choices in the PM Sweep Trigger menu With Trigger Key selected when you press the Trigger front panel key you immediately trigger a single sweep of swept sine phase modulation The Trigger key has autorepeat capability Hold it down and you will repeatedly trigger sweeps until you release the key Softkey Location FM M hardkey gt FM M softkey M gt M Waveform gt Swept Sine gt M Sweep Trigger gt Trigger Key Trigger Out Polarity Neg Pos User s Guide This softkey toggles the polarity of the TTL signal that is output at the rear panel TRIGGER OUT connector When Trigger Out Polarity Neg Pos iS set to Pos the output signal is asserted high 5 V at the start of the swept sine phase modulation sweep and low 0 V when the sweep is concluded Setting Trigger Out Polarity Neg Pos to Neg reverses the polarity where a high is O V and a low is V This softkey is coupled to the Trigger Out Polarity Neg Pos softkey in the swept sine AM FM and LF Out menus and the sweep list menu When the polarity is toggled for this softkey in any one of these menus it affects all locations of the softkey Default Value Pos Softkey Location FM M hardkey gt FM M softkey M gt M Waveform gt Swept Sine gt Trigger Out Polarity Neg Pos 4 79 Hardkey and Softkey Reference ESG Family Signal Genera
5. Softkey Location FM iM gt FM Waveform gt Swept Sine gt FM Sweep Trigger gt Bus DCFM DCOM Cal Dual Sine 4 22 Pressing this softkey initiates a DCFM calibration This calibration eliminates the offset in DC FM so that the carrier frequency remains the same with no modulation applied External DC coupled FM must be active when this calibration is executed Softkey Location FM M gt DCFM DC M Cal Pressing this softkey reveals a menu of choices for setting the dual sine frequency modulation parameters In this menu you can set the FM rates for two separate tones In addition you can set the FM deviation for FM Path 1 and FM Path 2 and also set a ratio of the tone 2 FM deviation to the tone 1 FM deviation Softkey Location FM M gt FM Waveform gt Dual Sine User s Guide ESG Family Signal Generators Hardkey and Softkey Reference FM Ext This softkey is one of the choices in the FM Sweep Trigger menu Choosing Ext allows you to trigger swept sine frequency modulation using a signal applied tothe TRIGGER IN rear panel connector Set the polarity of the trigger signal using the Trigger In Polarity Neg Pos softkey Softkey Location FM bM gt FM Waveform gt Swept Sine gt FM Sweep Trigger gt Ext Ext 1 AC Coupled This softkey lets you input an external AC coupled frequency modulation signal to the EXT 1 INPUT connector The modulation signal is tested for voltage and a display annunciator will report a h
6. This softkey is one of the choices in the LF Output Sweep Trigger menu Choosing Ext allows you to trigger swept sine low frequency output using the signal applied to the TRIGGER IN rear panel connector Set the polarity of the trigger signal using the Trigger In Polarity Neg Pos softkey Softkey Location LF Out gt LF Out Source gt Function Generator gt LF Out Waveform gt Swept Sine gt LF Out Sweep Trigger gt Ext Function Generator This softkey lets you set the LF Out Source to be a function generator You can select a frequency and shape in addition to selecting the amplitude for a signal that is output at the LF OUTPUT front panel connector When you use the internal source in this capacity any modulation with the internal source selected is turned off Softkey Location LF Out gt LF Out Source gt Function Generator Immediate This softkey is one of the choices in the LF Output Sweep Trigger menu Choosing Immediate immediately triggers swept sine low frequency output in a continuous mode To stop the sweep choose a different trigger such as Ext or set the waveform to something other than Swept Sine Softkey Location LF Out gt LF Out Source gt Function Generator gt LF Out Waveform gt Swept Sine gt LF Out Sweep Trigger gt Immediate 4 52 User s Guide ESG Family Signal Generators Hardkey and Softkey Reference LF Out Internal Modulation This softkey lets you output a signal at the LF OUTPUT connecto
7. e Typically 1 Vp p maximum Option UND only This female BNC connector is provided only on instruments with Option UND or UN8 If you configure your instrument with Option 1EM this output is relocated from a BNC toan SMB connector 21 BER MEAS END Connector The BER MEAS END connector outputs a signal that indicates the status of the bit error rate BER measurements BER measurements are being executed when the signal is high The damage levels are gt 8 and lt 4 V This female SMB connector is provided only on instruments with Option UN7 22 BER TEST OUT Connector The BER TEST OUT connector outputs a signal that indicates the test result of the pass fail judgement of the bit error rate measurements The result is guaranteed at the falling edge of the signal of the MEAS END connector The result is pass when the signal is low the result is fail when the signal is high The signal is also high when the pass fail judgement is set to off The damage levels are gt 8 and lt 4 V This female SMB connector is provided only on instruments with Option UN7 23 BER ERR OUT Connector The output of the BER ERR OUT connector is normally low When the maximum data rate mode is set to 2 Mbps the BER ERR OUT connector outputs pulse signals that indicate errors One pulse with a width of about 80 ns indicates one error bit Pulses indicating errors are asynchronous to the BER CLK IN and areonly valid during BER measurements when BER ME
8. ou On Return J waa 4 ef ae A p we A porne mod Return a as g pk762a This front panel hardkey moves you from your current softkey menu to the softkey menu that precedes it For example press the LF Out front panel hardkey The LF Out menu is displayed Now press the LF Out Source softkey The arrow indicates that pressing this softkey will display another menu You should now see the LF Out Source menu Press Return and you are moved back tothe LF Out menu When you are at the top level of the menus the Return key has no function The Return key has autorepeat capability Hold it down and you are moved repeatedly back through the menus until you either release the key or you reach the top level of the menus While you are entering data with the numeric keypad pressing the Return key cancels the data input and leaves the original value unchanged 4 89 Hardkey and Softkey Reference ESG Family Signal Generators RF On Off RF On Off JOO JOO RF a On Off pk757a This front panel hardkey toggles the RF signal on and off at the RF OUTPUT connector Although you can configure and engage various modulations no signal is available at the RF OUTPUT connector until RF On Off is set to On An annunciator is always turned on in the display to indicate whether RF is turned on or off Default Value RF Off 4 90 User s Guide ESG Family Signal Generators Hardkey and Softke
9. 8V and lt 4V This female BNC connector is provided only on instruments with Option UN8 or UND On instruments with Option 1EM this output is changed from a BNC to an SMB connector With Option 201 this connector is used for system reset output 3 16 User s Guide ESG Family Signal Generators Front and Rear Panel Rear Panel Overview 18 BASEBAND GEN REF IN Connector With Option UN8 enabled the BASEBAND GEN REF IN connector accepts a 0 to 20 dBm sinewave or TTL squarewave signal from an external 13 MHz timebase reference This digital modulation reference clock is used by the internal pattern generator in GSM applications only theinternal digital data generator can be locked to this external reference the RF frequency remains locked to the 10 MHz reference The nominal input impedance is 509 at 13 MHz AC coupled With Option UND enabled this connector accepts a TTL or gt 10 dBm sinewave external reference at rates from 250 kHz through 20 MHz Theinternal clock for the arbitrary waveform generator is locked to this signal when external reference is selected in the ARB setup The minimum pulse width must be gt 10 ns The damage levels are gt 8V and lt 8V This female BNC connector is provided only on instruments with Options UND or UN8 On instruments with Option 1EM this output is changed from a BNC to an SMB connector 19 OUT Connector Thel OUT connector outputs the analog in phase component of 1 Q modulati
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11. Instrument Info Help Mode and toggle the Help Mode Single Cont softkey to Single LF OUTPUT Signal is a Sinewave but the RF OUTPUT Signal is a Pulse Squarewave The LF OUTPUT connector will output a signal where the frequency and shape is set by the internal source as it is being used by a modulation However if you are generating a pulse squarewave the LF OUTPUT signal is correctly output as a sinewave That sinewave is later squared by the modulator to generate the pulse modulation 2 18 User s Guide ESG Family Signal Generators Using Functions If You Encounter a Problem Signal Generator is Locked Up If your signal generator is locked up try the following suggestions for resolution e Makesure that the signal generator is not in remote mode The r annunciator will be turned on in the display Press Local to halt remote mode and return to listen mode e Make certain that the signal generator is not in a local lockout condition e Check for a progress bar on the signal generator display which indicates that an operation is in progress e Try an instrument preset e Try cycding power If none of the previous suggestions resolves the problem you can try the fail safe recovery sequence This sequence should only be used as a last resort as it will reset the signal generator but the process will destroy all user files instrument state sequence files data files calibration data unsaved 1 Q calibrations DCFM DC amp M cali
12. LF Out gt LF Out Source gt Function Generator gt LF Out Waveform gt Pulse gt LF Out Width This softkey lets you specify noise as the waveform for the LF output signal This softkey is only active when you have selected the internal source to operate as a function generator Softkey Location LF Out gt LF Out Source gt Function Generator gt LF Out Waveform gt Noise 4 59 Hardkey and Softkey Reference ESG Family Signal Generators LF Out Pulse This softkey lets you specify pulse as the waveform for the LF output signal The signal shape can only be specified when you have selected the internal source to operate as a function generator Use the LF Out Period and LF Out Width softkeys to define the pulse shape This softkey is only active when you have selected the internal source to operate as a function generator Softkey Location LF Out gt LF Out Source gt Function Generator gt LF Out Waveform gt Pulse Ramp This softkey lets you specify ramp as the waveform for the LF output signal This softkey is only active when you have selected the internal source to operate as a function generator Softkey Location LF Out gt LF Out Source gt Function Generator gt LF Out Waveform gt Ramp Sine This softkey lets you specify sine as the waveform for the LF output signal This softkey is only active when you have selected the internal source to operate as a function generator Softkey Location LF
13. RS 232 Timeout Pressing this softkey allows changes to the value for the RS 232 serial port timeout If further input is not received within the assigned timeout period while a SCPI command is being processed then the command is aborted and the input buffer is cleared Timeout is a persistent sate it is not affected by an instrument preset or by a power cycle Softkey Location Utility gt GPIB RS 232 gt RS 232 Timeout User s Guide 4 133 Hardkey and Softkey Reference ESG Family Signal Generators Utility RTS CTS Pressing this softkey reveals a menu of choices for controlling the RTS CTS behavior This feature is used with RS 232 connections including the 83300A Remote nterface RTS is a persistent state it is not affected by an instrument preset or by a power cycle Softkey Location Utility gt GPIB RS 232 gt RS 232 Pace gt RTS CTS RTS CTS Pacing RTS On RWCDMA 4 134 Press this softkey to turn the RTS line on and instruct the signal generator to monitor the state of the CTS line hardware handshaking The signal generator monitors CTS and suspends transmission if this line transitions to its logically low state Up to 16 characters may still be transmitted after the low transition The signal generator will drop RTS if its receive buffer is nearly full RTS will be raised again when there is sufficient room in the buffer This setting is not compatible with an 83300A Remote Interface Do not attempt to u
14. Reg nn softkey 4 91 Adjust Phase softkey 4 34 air flow 1 4 ALC annundiator OFF 3 9 4 14 4 43 softkeys BW Normal Narrow 4 13 Off On 4 14 4 42 Alt Ampl Delta softkey 4 15 Alt Ampl Off On softkey 4 15 Alt Ampl Trigger softkey 4 15 ALT PWR IN connector 3 15 Alternate Amplitude softkey 4 14 altitude requirements 1 4 AM 4 2 AM annunciator 3 9 AM depth setting 2 5 AM Depth Couple Off On softkey 4 2 AM Depth softkey 4 2 AM hardkey 4 2 AM Off On softkey 4 3 AM Path 1 2 softkey 4 3 AM Path 1 2 WB softkey 4 3 AM rate setting 2 6 AM Rate softkey 4 4 AM Source softkey 4 4 AM Start Rate softkey 4 5 AM Stop Rate softkey 4 5 AM Sweep Time softkey 4 6 AM sweep trigger bus 4 7 external 4 8 immediate 4 9 trigger key 4 12 AM Sweep Trigger softkey 4 6 AM Tone 1 Rate softkey 4 6 AM Tone 2 Ampl Ratio Percent Of Peak softkey 4 7 AM Tone 2 Rate softkey 4 7 AM Waveform softkey 4 7 Ampl hardkey 4 13 Ampl Offset softkey 4 16 Ampl Ref Off On softkey 4 16 Ampl Ref Set softkey 4 16 Ampl softkey 4 96 Ampl Start softkey 4 97 Ampl Stop softkey 4 97 amplitude display area 3 8 Amplitude hardkey 3 6 4 19 amplitude modulation 4 2 setting up 2 5 4 3 turning on 2 6 amplitude offset 4 16 setting 2 4 amplitude offset setting 2 4 amplitude reference 4 16 setting 2 4 amplitude sweep 4 96 annundiators 3 9 4 4 M 3 9 ALC OFF 3 9 4 14 4 43 AM 3 9 ARMED 3 9 ATTEN HOLD 3 9 BERT 3
15. Trigger menu immediately triggers the next point in a running sweep Softkey Location Sweep List gt Sweep Trigger gt Trigger Key Or Sweep List gt Point Trigger gt Trigger Key 4 107 Hardkey and Softkey Reference ESG Family Signal Generators Sweep List Trigger Out Polarity Neg Pos 4 108 This softkey toggles the polarity of the TTL signal that is output at the rear panel TRIGGER OUT connector When Trigger Out Polarity Neg Pos iS set to Pos the output signal is asserted high 5 V at the start of a dwell sequence or at the start of waiting for the point trigger and low 0 V when the dwell is over or when the point trigger is received Setting Trigger Out Polarity Neg Pos to Neg reverses the polarity wherea high is 0 V and a low is V This softkey is coupled to the Trigger Out Polarity Neg Pos softkey in the swept sine AM FM M and LF Out menus When the polarity is toggled for this softkey in any one of these menus it affects all locations of the softkey Default Value Pos Softkey Location Sweep List gt Trigger Out Polarity Neg Pos User s Guide ESG Family Signal Generators Hardkey and Softkey Reference Trigger Trigger Recall Trigger Help F J Trigger F i pk753a Press this front panel hardkey to trigger a specified event or series of events e The Trigger key can start a step or list sweep under the following conditions e Sweep mode is configured and turned on e In
16. contrast decrease hardkey 3 4 contrast increase hardkey 3 4 cooling holes 1 4 Copy File softkey 4 114 coupling FM deviation 4 25 creating a step sweep and a list sweep 2 9 CSA mark 6 3 D DATA CLK OUT connector 3 14 DATA CLOCK input connector 3 7 Data Clock Out Polarity Neg Pos softkey 4 115 Data Clock Polarity Neg Pos softkey 4 115 DATA input connector 3 6 DATA OUT connector 3 14 Data Out Polarity Neg Pos softkey 4 115 Data Polarity Neg Pos softkey 4 116 DATA CLK SYNC Rear Outputs Off On softkey 4 115 DC softkey 4 51 DCM calibration 4 74 DCFM DC amp M Cal softkey 4 22 4 74 Declaration of Conformity 6 8 default memory 5 2 Delete All List Files softkey 4 116 Delete All Regs in Seq n 4 86 4 92 Delete All Sequences softkey 4 86 4 92 Delete File softkey 4 98 4 116 Delete Item softkey 4 98 Delete Row softkey 4 98 Delete Seq n Reginn 4 87 4 93 Diagnostic Info softkey 4 117 digit keys 4 66 digital modulation annunciators 3 9 display active entry area 3 9 amplitude area 3 8 annunciators 3 9 brightness 4 112 error message area 3 8 frequency area 3 8 location 3 5 modulation status 4 126 number of hours lit 4 117 text area 3 9 display annotation 3 8 display contrast 1 5 display contrast decrease hardkey 3 4 4 21 display contrast increase 3 4 display contrast increase hardkey 3 4 4 21 display light 1 5 Display softkey 4 117 DMOD softkey 4 118 Do Power
17. gt 10k Offset 4 36 User s Guide ESG Family Signal Generators Hardkey and Softkey Reference Freq Optimize Noise Press this softkey for two choices in optimizing phase noise You can choose to set the phase lock loop bandwidth to optimize phase noise for offsets below or above 10 kHz offsets as shown in Figure 4 1 This softkey is present on ESG A and ESG D series instruments only Figure 4 1 Phase Noise Performance Mode 1 Versus Mode 2 68 r errr peT y Er S as morr ode ed i i i q tia Option 1E5 a aera 168 on ey ee ae ae ae ee Ee SE Os TT TON RR eh 1828 iK 18K 180K IM 18M 18 F CdBevHz vs fIHz aam pk74b Default Value Mode 2 Softkey Location Freq gt Optimize Noise Phase Ref Set This softkey sets the current output phase as a zero reference All phase parameters are then set as relative to the zero reference Softkey Location Freq gt Phase Ref Set Ref Oscillator Source Auto Off On This softkey switches off and on the signal generator s capability of automatically selecting between theinternal reference oscillator and an external reference oscillator When this function is turned on the signal generator detects when a valid reference signal is present at the 10 MHz IN connector and automatically switches from internal to external reference operation Conversely when this function is turned off the signal generator uses the internal reference only even if an external r
18. gt M Source gt Ext 1 AC Coupled Ext 1 DC Coupled User s Guide This softkey lets you input an external DC coupled phase modulation signal to the EXT 1 INPUT connector The external 1 input has multiple uses but can be used for only one modulation at a time If for example you were using the external 1 input in an amplitude modulation configuration for AM Path 1 and then you configured M Path 2 to also use the external 1 input the signal generator would turn off AM Path 1 and assign the external 1 input to your M Path 2 configuration For the purposes of this discussion the external 1 AC coupled input is the same as the external 1 DC coupled source Softkey Location FM iM hardkey gt FM M softkey M gt M Source gt Ext 1 DC Coupled 4 75 Hardkey and Softkey Reference ESG Family Signal Generators Phase Modulation Ext 2 AC Coupled This softkey lets you input an external AC coupled phase modulation signal tothe EXT 2 INPUT connector The modulation signal is tested for voltage and a display annunciator will report a high or low condition if the voltage is gt 3 of 1 Vpk The external 2 input has multiple uses but can be used for only one modulation at a time If for example you were using the external 2 input in an amplitude modulation configuration for AM Path 1 and then you configured M Path 2 to also use the external 2 input the signal generator would turn off AM Path 1 and assign the external 2 in
19. 1 Hz Notice that the new value of M rate applies only to whichever M path configuration you have currently selected Default Value 400 Hz Softkey Location FM M hardkey gt FM eM softkey M gt 0M Rate User s Guide ESG Family Signal Generators Hardkey and Softkey Reference M Source Phase Modulation Pressing this softkey reveals a menu of choices for phase modulation sources You can choose internally generated phase modulation or select an externally applied signal from either the EXT 1 INPUT or EXT 2 INPUT connectors The internal modulation is always AC coupled For the externally applied signals you can choose between AC and DC coupled modulation A 1 0 Vpk input is required for calibrated M deviation settings The ExT 1 LO HI ANd EXT 2 LO HI display annunciators will turn on if the peak input voltage differs from 1 0 Vpk by more than 3 The LO HI annunciators only function for AC coupled external inputs Theinternal and external 1 and 2 sources have multiple uses You can use them for amplitude frequency and phase modulation For burst modulation you can only use the external 1 source and you must use the external 2 source for pulse modulation However any given source can only be routed to one enabled modulation at a time If for example you were using the external 1 source in a frequency modulation configuration for FM Path 1 and then you configured AM Path 2 to also use the external 1 source the sig
20. 4 122 User s Guide ESG Family Signal Generators Hardkey and Softkey Reference GPIB RS 232 Utility Pressing this softkey reveals a menu of choices for GPIB and RS 232 configuration In this menu you have the following options e changethe GPIB address of the signal generator e change the remote language of the signal generator e set the baud rate for the RS 232 serial port AUXILIARY INTERFACE connector e reset the RS 232 serial I O e turn the RS 232 echo on or off e set the RS 232 handshake protocol e control RS 232 RTS and CTS behavior Softkey Location Utility gt GPIB RS 232 Installed Board Info Pressing this softkey displays information regarding the board assemblies installed in the signal generator including board assembly name part number e board assembly serial number e version Depending on the options present these board assemblies may include the motherboard the dual arbitrary waveform generator the baseband generator the data generator RF output the reference output or the signal generator Softkey Location Utility gt Instrument Info Help Mode gt Installed Board Info Instrument Adjustments User s Guide Pressing this softkey reveals a menu of front panel adjustments for the signal generator The softkeys in this menu provide the following capabilities e adjust the ratio between the front panel knob and the step size for the arrow keys e adjust the internal reference
21. 5 Remember you must first have saved an instrument state to this register in sequence 4 Press Recall Reg The recall register number becomes the active function Enter the number 5 using the numeric keypad and press the Enter terminator softkey The instrument state is restored from this register and register 5 is now displayed in all softkeys which specify a register number in this menu Now press Delete Seq 4 Reg 05 and register 5 stored in sequence 4 will be deleted The instrument state that you had recalled from this register remains however until you change it If you deleted this register in error you can immediately resave it using the Save Seq n Reg n softkey in the Save menu This softkey has exactly the same function as the softkey with the identical name in the front panel Save key menu Softkey Location Recall gt Delete Seq n Reg nn Press this softkey to recall an instrument state from a saved register Recalling a register also selects that register number for all softkeys which specify a register number in this menu For example if you want to select register 5 press Recall Reg Remember you must first have saved an instrument state to this register in the current sequence identified by the Select Seq softkey If there is nothing saved you cannot recall it The recall register number becomes the active function Enter the number 5 using the numeric keypad and press the Enter terminator softkey The instrum
22. 5 Memory Structure This chapter describes the structure of the signal generator s internal memory and front panel memory catalog navigation For information on manipulating files within the internal memory from a remote system refer to the Programming Guide User s Guide 5 1 Memory Structure ESG Family Signal Generators Memory Types Memory Types Default Memory Motherboard RAM Arbitrary Waveform Generator T ARB Memory NVARB Memory Sequencer Memory Och 4 MB SRAM PRAM 1 MB Opt UN8 Burst Shape Memory 8 MB Opt UN9 The signal generator s memory depending on the options present comprises Default Memory stores FIR filter coefficient data modulation data user file bit editor data and instrument state data Firmware Memory stores the code used by the signal generator to manipulate internal data and the internal hardware Motherboard RAM stores data such as persistent state information initialized and uninitial ized variables boot ROM default directories and default buffer Arbitrary Waveform Generator Option UND contains e ARB memory RAM based volatile holds the current data for playback using the arbitrary waveform generator e NVARB memory FLASH RAM based nonvolatile stores arbitrary waveform data for subsequent transfer to ARB memory for playback e Sequencer memory which contains data related to waveform segments waveform sequences repetition and marker setti
23. 9 digital modulation 3 9 ENVLP 3 9 ERR 3 10 Index EXT REF 3 10 EXT1HI 3 10 EXT1LO 3 10 4 4 EXT2 HI 3 10 EXT2LO 3 10 4 4 FM 3 10 1 Q 3 10 L 3 10 MOD OFF 3 10 MOD ON 3 10 OVEN COLD 3 10 PULSE 3 10 R 3 10 RF OFF 3 10 S 3 10 SWEEP 3 10 T 3 11 UNLEVEL 3 11 UNLOCK 3 11 ARB Catalog Types softkey 4 111 ARB memory 5 2 ARB softkey 4 111 ARMED annunciator 3 9 arrow keys 3 4 4 20 assistance 6 6 ATTEN HOLD annunciator 3 9 Atten Hold Off On softkey 4 17 attenuator hold 4 17 number of cycles 4 117 automatic leveling control 4 14 AUXILIARY INTERFACE connector 3 13 backspace key 4 66 BASEBAND GEN REF IN connector 3 17 baud rate 4 133 BER CLK IN connector 3 19 BER DATA IN 3 19 BER DATA IN connector 3 19 BER ERR OUT connector 3 18 BER GATE IN connector 3 19 BER MEAS END connector 3 18 BER NO DATA connector 3 18 BER SYNC LOSS connector 3 19 BER TEST OUT connector 3 18 BERT annunciator 3 9 Binary softkey 4 111 Bit softkey 4 111 Black Pixels Screen Test softkey 4 112 l 2 Brightness softkey 4 112 Burst Envelope Off On softkey 4 43 BURST GATE IN connector 3 15 Burst Gate In Polarity Neg Pos softkey 4 112 burst shape memory 5 2 burst source internal 4 48 Burst Source softkey 4 43 Bus softkey 4 7 4 22 4 51 4 74 4 97 C Calibrate Selected Items softkey 4 112 Calibration Type User Full softkey 4 44 Canadian Standards As
24. CAUTION This softkey accesses a menu where you can configure your signal generator to enable or to disable any hardware option that you have purchased Refer to Chapter 2 Using Functions for an example of using this function This menu also provides the capability of performing a download of calibration data from the optional hardware into non volatile memory If you enable an option that does not have the required hardware installed the menus for that option will be activated but the option cannot operate despite what the menus may seem to indicate This menu also provides the capability of performing a download of calibration data from the optional hardware into non volatile memory Softkey Location Utility gt Instrument Adjustments gt Hardware Options Help Mode Single Cont 4 120 This softkey toggles the help mode between single and continuous In single mode when you press the Help key help text is provided for the next front panel hardkey or softkey that you press Your next key press returns you to normal operation In continuous mode when you press the Help key help text is provided for the next front panel hardkey or softkey that you press and that key s function is also executed You will stay in this help mode until you press the Help key again Help mode is a persistent state it is not affected by an instrument preset or by a power cycle Softkey Location Utility gt Instrument Info Help Mode gt He
25. ESG Family Signal Generators Phase Modulation M Stop Rate Use this softkey to change the ending internal modulation frequency for swept sine phase modulation To change the value press the softkey once The current value for the M stop rate is displayed in the active entry area To enter a new value rotate the front panel knob until the desired value is displayed use the up and down arrow keys or enter the value using the numeric keypad and press the Hz or kHz terminator softkey The range of values allowed is 0 1 Hz to 50 kHz The minimum increment allowed is 0 1 Hz This softkey is coupled to the M Tone 2 Rate softkey in the M Dual Sine Menu Any value set for M Stop Rate is reflected in the M Tone 2 Rate softkey Conversely if you change the value for the M Tone 2 Rate softkey the value for M Stop Rate is changed to match Default Value 400 0 Hz Softkey Location FM mM hardkey gt FM M softkey M gt M Waveform gt Swept Sine gt M Stop Rate M Sweep Time Press this softkey to set the sweep time for swept sine phase modulation The signal generator will vary the M rate from the specified start rate to the stop rate in the time set with this softkey Enter the desired sweep time using the up and down arrow keys the front panel knob or enter a value using the numeric keypad and press the sec or msec terminator softkey The range of values allowed is 1 ms through 65 535 s The minimum increment allowed is 1 ms
26. Enter terminator softkey Sequence 4 is now displayed in all softkeys which specify a sequence number in this menu Now to select register 5 press Select Reg The currently selected register is displayed in the active entry area Change the number to 5 in the same way that you changed the sequence number Register 5 is now displayed in all softkeys which specify a register number in this menu Now press Delete Seq 4 Reg 05 and register 5 stored in sequence 4 will be deleted Becertain that you want to delete the data you cannot recover the data once deleted This softkey has exactly the same function as the softkey with the identical name in the front panel Recall key menu Softkey Location Save gt Delete Seq n Reg nn Pressing this softkey reveals a menu of choices for creating and editing the comment text for the selected register In this menu you can delete the existing text in the active entry area either the existing comment or comment text that you have subsequently entered and you can toggle the editing mode from inserting text to replacing text Softkey Location Save gt Add Comment To Seq n Reg nn gt Editing Keys Editing Mode Insert Replace User s Guide Press this softkey to toggle the editing mode from inserting text to replacing text Insertion mode causes text to be entered in the position directly to the right of the cursor Replacement mode causes the text to be entered in the position held by the cu
27. Error Info gt Clear Error Queue s 4 113 Hardkey and Softkey Reference ESG Family Signal Generators Utility Clear Text Press this softkey to delete the existing file name in the active entry area When you copy from one file to another the same file name is given to the new file unless you change it Press Clear Text to delete the existing file name and then enter in a new filename using the editing keys provided Softkey Location Utility gt Memory Catalog gt Copy File gt Editing Keys gt Clear Text Copy File Press this softkey to copy and rename a file in the displayed catalog of files To copy a file first select the file from the displayed list by scrolling through the list using the front panel knob or the up and down arrow keys When the desired file is highlighted press Copy File The message Copy to lt file_name gt is displayed in the active entry area where lt file_ name gt is the name of the currently selected file Your copied file will have the same name as the original file so you must rename it To rename the copied file the following editing capabilities are provided e The Editing Mode Insert Replace softkey in the Editing Keys menu toggles the editing mode from inserting text to replacing text Insertion mode causes text to be entered in the position directly to the right of the cursor Replacement mode causes the text to be entered in the position held by the cursor replacing any existing te
28. Guide ESG Family Signal Generators Front and Rear Panel Display Annotation 5 Text Area This area is used to display status information about the signal generator such as the modulation status to enter information such as creating sweep lists and to manage information such as displaying the catalog of files and deleting unwanted files 6 Active Entry Area The current active function is shown in this area For example if frequency is the active function the current setting will be displayed in the active entry area and that setting will change as you enter a new value If the active function has an increment value associated with it that value is displayed here also 7 Annunciators The display annunciators described in the following list show the status of some of the signal generator functions and indicate any error conditions An annunciator position may be used by more than one annunciator as with the digital modulation annunciators This does not cause a problem because only one of the functions that shares a location can be active at a time PM This annunciator appears when phase modulation is turned on A second annunciator Fm will appear in the same position if frequency modulation is turned on Frequency modulation and phase modulation cannot be turned on at the same time so the two annunciators will never conflict ALC OFF This annunciator appears when the automatic leveling control ALC circuit is disabled A s
29. IN Connector This BNC connector accepts a CMOS signal for synchronization of external data and alternate power signal timing Damage levels are gt 8 V and lt 4 V This connector is active only with Options UNA or 201 With Option 201 this connector is used for Long Code State Latch strobe input User s Guide 3 15 Front and Rear Panel ESG Family Signal Generators Rear Panel Overview 16 EVENT 1 Connector With Option UN8 turned on this TTL CMOS compatible connector outputs a pulse that can be used to trigger the start of a data pattern frame or timeslot It is adjustable to within plus or minus one timeslot with one bit of resolution With Option UN5 turned on Option UN5 requires Option UND hardware an even second output is generated A marker is output every two seconds indicating the beginning of each short code sequence for use in synchronizing CDMA analysis instruments With Option UND turned on there is a marker on off condition associated with each waveform point A marker TTL high when positive polarity is selected TTL low when negative polarity is selected is output on the EVENT 1 connector whenever a Marker 1is turned on in the waveform Markers are automatically turned on whenever you set them in a waveform segment When you combine waveform segments that contain Marker 1 into a sequence the markers are automatically turned off until you toggle them on in either the Edit Selected Waveform Sequence menu or in the
30. If you choose Last each time you cycle power to the signal generator it will turn on in the same condition as when you turned power off Thesignal generator must not receive commands for a second before the power is turned off to guarantee that the most recent state is saved If you choose Preset each time you cycle power to the signal generator it will turn on in either the factory defined preset condition or in a user defined preset condition You make the choice between factory and user defined preset with the Preset Normal User softkey The power on state is a persistent state it is not affected by an instrument preset or by a power cycle Softkey Location Utility gt Power On Preset gt Power On Last Preset Power On Preset Pressing this softkey reveals a menu of choices for preset conditions In this menu you have the following options Set the signal generator to power on in the same state as it was when you powered off or to power on in the instrument preset state Refer to the Power On Last Preset softkey description in this section Set the signal generator to preset to a factory defined state or toa user defined state Refer to the Preset Normal User softkey description in this section Set up your own user defined preset state Refer to the Save User Preset Softkey description in this section Set the signal generator to preset tothe SCPI programming language or to an 8648 or 8656 57 compatible language
31. N 45014 Manufacturer s Name me Agilent Technologies inc Agilent Technologies UK Ltd Manufacturer s Address 1400 Fountaingrove Parkway South Queensferry Santa Rosa CA 95403 1799 West Lothian EH30 9FG USA Scotland United Kingdom Declares that the products Product Name Signal Generator Modei Number E4400B E4420B E4421B 44228 44308 gt E4431B E4432B E4433B E4423B E4424B E4425 E4426B E4434B E4435B E4436B E4437 B Product Options _ This declaration covers all options of the above products Conform to the following product specifications EMC IEC 61326 1 1997 A1 1998 EN 61326 1 1997 A1 1998 Standard Limit CISPR 11 1990 EN 55011 1991 Group 1 Class A IEC 61000 4 2 1985 A1998 EN 61000 4 2 1995 4kV CD 8 kV AD IEC 61000 4 3 1995 EN 61000 4 3 1995 3 V m 80 1000 MHz IEC 61000 4 4 1995 EN 61000 4 4 1995 0 5 kV sig 1 KV power o IEC 61000 4 5 1995 EN 61000 4 5 1996 O 5kVL L 1 kY L G HEC 61000 4 6 1996 EN 61000 4 6 1998 3 V 0 15 80 MHz IEC 614000 4 11 1994 EN 64000 4 11 1998 1 cycle 100 Safety IEC 61010 1 1990 A1 1992 A2 1995 EN 61010 1 1993 A2 1995 CAN CSA C22 2 No 1010 1 92 Supplementary Information The products herewith comply with the requirements of the Low Voltage Directive 73 23 EEC and the EMC Directive 89 336 EEC and carry the CE marking accordingly hoffi toton Greg Pteiffer Quality Eng
32. On This softkey toggles the phase modulation on or off for whichever M configuration M Path 1 or M Path 2 you have selected Notice however that although you can turn on phase modulation with this softkey the RF carrier is modulated by the enabled modulation only when you have also set Mod On Off to On Whenever phase modulation is enabled the m annunciator is turned on in the display There are two paths for M modulation which can be simultaneously enabled as long as they use different sources Int Ext1 or Ext2 amp M Path 2 is limited to a maximum rate of 1 MHz M Path 2 must be set to a deviation less than or equal to M Path 1 The modulation signals from both paths are summed internally for composite modulation Default Value Off Softkey Location FM M hardkey gt FM M softkey M gt M Off On 4 69 Hardkey and Softkey Reference ESG Family Signal Generators Phase Modulation M Path 12 M Rate 4 70 Use M Path 1 and M Path 2 to define two unique phase modulation configurations For example select M Path 1 M Path 1 is the default after a normal preset If M Path 1 is not highlighted press the softkey once and the selection will toggle from M Path 2 to M Path 1 Configure the modulation characteristics such as deviation source rate and waveform using the remaining softkeys in the PM menu Then enable M by setting amp M Off On to On To configure a second phase modulation configuration tog
33. Polarity Neg Pos iS set to Pos the output signal is asserted high 5 V at the start of the swept sine frequency modulation sweep and low 0 V when the sweep is concluded Setting Trigger Out Polarity Neg Pos to Neg reverses the polarity wherea high is OV anda low is 45 V This softkey is coupled to the Trigger Out Polarity Neg Pos softkey in the swept sine AM M and LF Out menus and the sweep list menu When the polarity is toggled for this softkey in any one of these menus it affects all locations of the softkey Default Value Pos Softkey Location FM M gt FM Waveform gt Swept Sine gt Trigger Out Polarity Neg Pos User s Guide 4 33 Hardkey and Softkey Reference ESG Family Signal Generators Freq Freq Pressing the front panel Freq key reveals a menu of softkeys These softkeys are described in this section in alphabetical order MENUS Mode m Utility ow tor J VQ 7 f pk728a Adjust Phase Use this softkey to change the phase of the RF OUTPUT signal You can change the phase relative to whatever phase the signal generator locked to the last time it changed frequency For this reason the phase adjustment does not survive changes in frequency and must be readjusted If you first press Phase Ref Set the current output phase is set as a zero reference and any subsequent phase adjustment is displayed as relative to the zero reference Phase adjustment cannot be used with freque
34. Refer to the Preset Language softkey description in this section Set the signal generator s reverse power protection to the factory defined state or to an 8648 equivalent state Refer to the Reverse Power Protection Normal 8648 softkey description Softkey Location Utility gt Power On Preset 4 128 User s Guide ESG Family Signal Generators Hardkey and Softkey Reference Utility Preset Language Pressing this softkey reveals a menu of choices for selecting the programming language that is implemented after the Preset key is pressed You can choose between SCPI which is the language chosen for the signal generator for remote implementation of all features 8648 compatible and four versions of 8656 57 compati ble languages The 8648 and 8656 67 compatible languages are provided for remote implementation of some features so that this signal generator can be compatible with systems that use those instruments Refer to the programming guide for specifics on which commands are implemented The preset language is a persistent state it is not affected by an instrument preset or by a power cycle Softkey Location Utility gt Power On Preset gt Preset Language Preset Normal User This softkey toggles the preset state between the factory defined and the user defined states You choose the instrument state conditions for the user defined preset state Refer to the Save User Preset softkey description in this section T
35. Rulre die AoA aes 6 3 General Safety Considerations esse cesia isare neta debe teed ded ee dR a ed eee ee eae 6 4 Prete CONS ssia dena g add Rew ees ABE iBA ABR ERR Re eg te 6 5 AoE oh4 lay upeetedaeteee tt A eRe ee eet eave a at ede 6 6 er MUM to ae AREA Rete Chee Rhee Aen RUE 6 7 Dedearation of NUP e g ca ee tm fe Bigs Hee ww a nt eld A de Sse ee Raed es Ane edie eee Ae 6 8 Compliance with German Noise Requirements 0 000 cece eee 6 9 ESG Family Signal Generators 1 Preparing for Use This chapter contains procedures that show you how to install your signal generator and how to perform a functional check to verify signal generator operation Also look here for our Internet address for the Agilent Technologies ESG family User s Guide 1 1 Preparing for Use ESG Family Signal Generators Installing the Signal Generator Installing the Signal Generator This section contains procedures for properly installing your signal generator e checking the shipment e installing front handles and rack flange kits e meeting electrical and environmental requirements e adjusting the display e selecting the signal generator s GPIB address e selecting the programming language Checking the Shipment 1 Inspect the shipping container for damage Look for signs of damage such as a dented or torn shipping container or cushioning material that shows signs of unusual stress or compacting 2 Carefully remove the contents fro
36. The burst gating is used when you are externally supplying data and clock information The input signal must be synchronized with the external data input that will be output during the burst The burst power envelope and modulated data are internally delayed and re synchronized The input signal must be CMOS high for normal burst RF power or CW RF output power and CMOS low for RF off The leading edges must be synchronous with the DATA CLOCK rising edges The signal level must be valid on the DATA CLOCK falling edge The damage levels are gt 8 and lt 4V This female BNC connector is provided only on instruments with Option UND or UNB8 If you configure your instrument with Option 1EM this output is changed froma BNC toan SMB connector With Option 201 this connector is used for even second synchronization input 14 COHERENT CARRIER OUT Connector This connector outputs RF that is not modulated with AM pulse or 1 Q modulation but is modulated with FM or M The output power is nominally 0 dBm 5 dB The output frequency range is from 249 99900001 MHz to the maximum specified frequency of your signal generator If the RF output frequency is below this range the COHERENT CARRIER OUT signal will have the following frequency Frequency of coherent carrier 1E 9 Frequency of RF output in Hz The damage levels are 20 Vdc and 13 dBm reverse RF power This SMA connector is present only on ESG D and ESG DP Series Signal Generators 15 ALT PWR
37. This softkey toggles manual selection of the current sweep point on and off When Manual Mode is On the selected sweep list point controls the frequency and amplitude according to the sweep type The current point in the sweep is displayed in the active entry area and also below the Manual Point softkey This softkey is disabled when Sweep is set to Off Default Value Off Softkey Location Sweep List gt Manual Mode Off On Manual Point Press this softkey to choose a point in the sweep list When Manual Mode is On the selected sweep list point controls the frequency and amplitude according to the sweep type The current point number is shown in the active entry area when you press Manual Point The frequency of the point is shown in the frequency area of the display The amplitude of the point is shown in the amplitude area of the display You can choose which point to sweep using the up and down arrow keys the front panel knob or by entering the point number desired using the numeric keypad and pressing the Enter terminator softkey This softkey is disabled when Manual Mode Off On is Set to Off Default Value 1 Softkey Location Sweep List gt Manual Point User s Guide 4 103 Hardkey and Softkey Reference ESG Family Signal Generators Sweep List Off Page Down Page Up This softkey turns off all sweep functions The output signal is then set according to the current frequency and amplitude settings defined by the fr
38. Time 4 28 Sets the sweep time for swept sine frequency modulation The signal generator will vary the FM rate from the specified start rate to the stop rate in the time set with this softkey Enter the desired sweep time using the up and down arrow keys the front panel knob or enter a value using the numeric keypad and press the sec or msec terminator softkey The range of values allowed is 1 ms through 65 535 s The minimum increment allowed is 1 ms Default Value 100 0 msec Softkey Location FM M gt FM Waveform gt Swept Sine gt FM Sweep Time User s Guide ESG Family Signal Generators Hardkey and Softkey Reference FM FM Sweep Trigger Pressing this softkey reveals a menu of choices for triggering swept sine frequency modulation You can choose triggering that occurs immediately triggering that is supplied via the GPIB bus triggering on either the positive or negative edge of a signal supplied to the TRIGGER IN connector external triggering or triggering by the front panel Trigger key Default Value Immediate Softkey Location FM M gt FM Waveform gt Swept Sine gt FM Sweep Trigger FM Tone 1 Rate Press this softkey to set the internal modulation frequency for the FM tone 1 Enter the desired rate using the up and down arrow keys the front panel knob or enter a value using the numeric keypad and press the kHz or Hz terminator softkey The range of values allowed is 0 1 Hz through 50 kHz The minimum incr
39. a list to select items in a row 11 Return Key The Return key cancels the current active function and moves you from your current softkey menu to the softkey menu that precedes it It will back up through the menus of the current hardkey until you reach the first menu of that key 12 Display Contrast Decrease Key Press this key and hold it down to cause the display background to darken in comparison to the text on the display 13 Display Contrast Increase Key Press this key and hold it down to cause the display background to brighten in comparison to the text on the display 14 Local Key Press this key to return the signal generator to local front panel control from remote operation 15 Preset Key Press this key toset the signal generator to a known state either the factory defined state or a user defined state 3 4 User s Guide ESG Family Signal Generators Front and Rear Panel Front Panel Overview 16 Standby LED This yellow LED lights when the instrument is in standby condition In standby the power switch is off but the instrument is still connected to the main power circuit by way of the power cord 17 Line Power LED This green LED lights when power is cycled on to the signal generator 18 Power Switch Press this hardkey to turn power to the signal generator either on green LED on or to standby yellow LED on 19 Q INPUT Connector This connector accepts an externally supplied analog quadratu
40. and FM Path 2 configurations Notice that the selected waveform applies only to whichever FM path configuration you have currently selected Softkey Location FM M gt FM Waveform gt Square Pressing this softkey reveals a menu of choices for setting the swept sine frequency modulation parameters In this menu you can set the start and stop FM rate and the sweep time You can set the signal generator to a single externally triggered sweep on either a negative or positive TTL level or you can choose continuous sweep triggered immediately In this menu you can also select either a positive or negative polarity for the TRIGGER OUT signal Softkey Location FM iM gt FM Waveform gt Swept Sine 4 31 Hardkey and Softkey Reference ESG Family Signal Generators FM Triangle This softkey lets you specify triangle as the frequency modulation waveform for the FM Path 1 and FM Path 2 configurations Notice that the selected waveform applies only to whichever FM path configuration you have currently selected Softkey Location FM M gt FM Waveform gt Triangle Trigger In Polarity Neg Pos Trigger Key 4 32 Press this softkey to toggle between a negative TTL level trigger 0 V and a positive TTL level trigger 5 V for externally triggering swept sine frequency modulation This softkey is coupled to the Trigger In Polarity Neg Pos softkey for swept sine AM M and LF Out and to the Ext Neg and Ext Pos sweep trigger sele
41. applies only to whichever AM path configuration you have currently selected Softkey Location AM gt AM Waveform gt Square User s Guide ESG Family Signal Generators Hardkey and Softkey Reference Swept Sine Triangle AM Pressing this softkey reveals a menu of choices for setting the swept sine amplitude modulation parameters In this menu you can set the start and stop AM rate and the sweep time You can set the signal generator to a single externally triggered sweep on either a negative or positive TTL level or you can choose continuous sweep triggered immediately In this menu you can also select either a positive or negative polarity for the TRIGGER OUT signal Softkey Location AM gt AM Waveform gt Swept Sine This softkey lets you specify triangle as the amplitude modulation waveform for the AM Path 1 and AM Path 2 configurations Notice that the selected waveform applies only to whichever AM path configuration you have currently selected Softkey Location AM gt AM Waveform gt Triangle Trigger In Polarity Neg Pos User s Guide Press this softkey to toggle between a negative TTL level trigger 0 V and a positive TTL level trigger 5 V for externally triggering swept sine amplitude modulation This softkey is coupled to the Trigger In Polarity Neg Pos softkey for swept sine FM M and LF Out and to the Ext Neg and Ext Pos sweep trigger selections in the Sweep List Menu If you set the Trigger In
42. bandwidths are only available using M Path 1 M Path 2 is limited to 1 MHz Default Value FM Softkey Location FM M hardkey gt FM M softkey once for normal bandwidth or twice for high bandwidth User s Guide ESG Family Signal Generators Hardkey and Softkey Reference Immediate Internal Noise Sine User s Guide Phase Modulation This softkey is one of the choices in the M Sweep Trigger menu Choosing Immediate immediately triggers swept sine phase modulation in a continuous mode To stop the sweep choose a different trigger such as Ext or set the waveform to something other than Swept Sine Softkey Location FM M hardkey gt FM M softkey M gt M Waveform gt Swept Sine gt M Sweep Trigger gt Immediate This softkey lets you internally generate an AC coupled phase modulation signal The internal source has multiple uses but can be used for only one modulation at a time If for example you were using the internal source in an amplitude modulation configuration for AM Path 1 and then you configured M Path 2 to also use the internal source the signal generator would turn off AM Path 1 and assign the internal source to your amp M Path 2 configuration Softkey Location FM M hardkey gt FM M softkey M gt M Source gt Internal This softkey lets you specify noise as the phase modulation waveform for the amp M Path 1 and M Path 2 configurations Notice that the selected waveform applies only
43. becomes highlighted after you press the terminator softkey For point 4 change the frequency to 560 MHz Using the arrow keys highlight the frequency Press the Edit Item softkey to make the frequency for point 4 the active function Enter 560 MHz using the numeric keypad and pressing the MHz terminator softkey Add anew point between points 7 and 8 Highlight any column in the point 7 row Press Insert Row A copy of the point 7 row is placed between points 7 and 8 creating a new point 8 and renumbering the successive points Shift frequency values down one row beginning at point 8 Highlight the frequency item for point 8 then press Insert Item Note that the original frequency values for both points 8 and 9 shift down one row creating an entry for point 10 that has only a frequency value the power and dwell time items do not shift down 2 10 User s Guide ESG Family Signal Generators Using Functions 5 Creating a Step Sweep and a List Sweep The frequency for point 8 is still active Enter 700 and press the MHz softkey NOTE An informational ERR annunciator turns on to indicate that the frequency and power lists are of unequal size You will correct this problem in the following steps however the annunciator does not turn off until you clear the error queue in the Utility menu Utility gt Error Info gt Clear Error Queue s The power for point 8 should now be highlighted Press Insert Item and change
44. firmware version for the installed option card Softkey Location Utility gt Instrument Info Help Mode gt Options Info Press this softkey to move down in the displayed catalog of files one page at a time Softkey Location Utility gt Memory Catalog gt Page Down Or Utility gt Memory Catalog gt Goto Row gt Page Down Press this softkey to move up in the displayed catalog of files one page at a time Softkey Location Utility gt Memory Catalog gt Page Up Or Utility gt Memory Catalog gt Goto Row gt Page Up Pattern Trigger In Polarity Neg Pos Option UN8 This softkey in the Signal Polarity Setup menu is used to configure the polarity of the TTL signal at the PATTERN TRIG IN connector that triggers an event Pos refers to the rising edge while Neg refers tothe falling edge Default Value Pos Softkey Location Utility gt Instrument Adjustments gt Signal Polarity Setup gt Trigger In Polarity Neg Pos PN9 Mode Preset Normal Quick Option UN8 User s Guide This softkey sets the preset value for the PN9 mode The choices are Normal and Quick PN9 mode only applies to personalities that require software PRBS Default Value Normal Softkey Location Utility gt Power On Preset gt PN9 Mode Preset Normal Quick 4 127 Hardkey and Softkey Reference ESG Family Signal Generators Utility Power On Last Preset This softkey toggles the power on state of the signal generator between Last and Preset
45. function is continuously executed until you release it 4 66 User s Guide ESG Family Signal Generators Hardkey and Softkey Reference Phase Modulation Phase Modulation Pressing the front panel phase modulation key M reveals a menu of softkeys These softkeys are described in this section in alphabetical order MENUS FM Pulse l Sweep Ampl List LF Out NS YON S i FM EN o M pk729a User s Guide 4 67 Hardkey and Softkey Reference ESG Family Signal Generators Phase Modulation M Dev 4 68 Use this softkey to set the phase modulation deviation for the M Path 1 and M Path 2 configurations To change the value of the M deviation press the softkey once The current value for M deviation is displayed in the active entry area To enter a new value rotate the front panel knob until the desired value is displayed use the up and down arrow keys or enter the value using the numeric keypad and press the pi rad rad or deg terminator softkey The range of values allowed depends on the carrier frequency and the rate selected Refer to Table 4 2 Table 4 2 Maximum Deviation Values for Phase Modulation y Maximum Rates 3 dB BW Maximum Mode Deviation M Path 1 M Path 2 Normal N 1 x 90 radians 100 kHz 100 kHz High N x 2r radians 1 5 MHz typical 1 MHz typical Bandwidth N x 7 2 radians 6 MHz typical 1 MHz typical 1 F
46. have enabled one of the digital modulation formats with burst on Option UN8 only In this mode the internal baseband generator bursts the RF carrier You can override this automatic selection by selecting Ext1 DC as the Burst Source As long as burst is turned on in an enabled digital modulation format you can toggle between the internal and external burst sources Softkey Location Q gt Burst Source gt Int Burst Int1 Q This softkey is automatically selected for the 1 Q source when you have enabled a digital modulation format Option UN8 only In this mode the signal generator is automatically set to internally generate and Q signals You can override this selection by setting the 1 Q Source to Ext1 Q As long as digital modulation is enabled you can toggle between the internal and external Q sources Softkey Location Q gt 1 Q Source gt Int I Q Power Search Manual Auto This softkey toggles between the auto and manual modes of power search mode Power search is an internal calibration routine used to achieve calibrated output power when the ALC is off When you set Power Search Manual Auto to Auto power search will execute automatically with each change to the RF frequency or power and also with each changeto the AM burst pulse or 1 Q modulation state If you are using external Q modulation the power search routine assumes that the Q input level is 4 07 0 5 Vim Actual output amplitude will scale directl
47. memory by pressing Calibrate Selected Items To confirm that you want to start the calibration press Start Calibration and Store Results The calibration takes several minutes During the calibration a message is displayed indicating the calibration is in progress and showing the percent complete When the calibration is finished the Hardware Options menu is returned 2 14 User s Guide ESG Family Signal Generators Using Functions Enabling Options Enabling a Software Option 1 A license key is required to enable each software option This license key is provided on the license key certificate that you receive when you purchase the software option Access the Software Options menu by pressing Utility gt Instrument Adjustments gt Software Options An example of the signal generator display follows 7 000000 00000 se 135 00 n vert u B E Softuare Option Selection Host ID SA172BE3 Option License Key Description UNS G72FS58UF SF OF Multi Channel COMA H9 FS53502B8C9F Multi Channel W CDMA Proceed With Reconfiguration hd Verify that the host I D shown on the display matches the host ID on the license key certificate The host ID is a unique number for every instrument If the host ID on the license key certificate does not match your instrument the license key cannot enable the software option 2 On the display is a list of software options that are already enabled if any and the software optio
48. negative edge of a signal supplied to the TRIGGER IN connector or triggering by the front panel Trigger key Default Value Immediate Softkey Location Sweep List gt Point Trigger User s Guide ESG Family Signal Generators Hardkey and Softkey Reference Preset List Sweep List Press this softkey to eliminate the current sweep list and replace it with a new list consisting of the following one point at the maximum specified frequency with an amplitude of 135 dBm and a dwell time of 2 ms Be certain that you want to delete the current sweep list you cannot recover the information once you press Preset List Softkey Location Sweep List gt Configure List Sweep gt Preset List Single Sweep Step Dwell Store to File NOTE User s Guide Press this softkey to arm the sweep The armen annunciator will turn on in the display The signal generator will begin the sweep as soon as the sweep trigger is received If you have set the sweep trigger to Immediate a sweep is initiated as soon as you arm the sweep The sweep sets the power and the frequency to the first point of the sweep while it is not initiated or is waiting for the sweep trigger This softkey is disabled when Sweep is set to Off Softkey Location Sweep List gt Single Sweep Press this softkey to set the dwell time for each point of a step sweep To set the dwell time press Step Dwell The current dwell time is displayed in the active entry area E
49. operation verification 1 7 operational problems 2 16 operator s check 1 7 Optimize Noise softkey 4 37 options enabling 2 13 not working 2 16 output frequency 4 38 power 4 19 output connectors 10 MHz OUT 3 14 AUXILIARY INTERFACE 3 13 BER ERR OUT 3 18 BER MEAS END 3 18 BER NO DATA 3 18 BER SYNC LOSS 3 19 BER TEST OUT 3 18 COHERENT CARRIER OUT 3 15 DATA CLK OUT 3 14 DATA OUT 3 14 EVENT 1 3 16 EVENT 2 3 16 HP IB 3 13 OUT 3 17 Index LF OUTPUT 3 3 Q OUT 3 18 RF OUTPUT 3 4 RS 232 3 13 SWEEP OUT 3 14 SYMBOL SYNC OUT 3 13 TRIGGER OUT 3 14 OVEN COLD annunciator 3 10 P pace 4 133 Page Down softkey 4 104 4 127 Page Up softkey 4 104 4 127 pattern RAM 5 2 PATTERN TRIG IN connector 3 15 Pattern Trigger In Polarity Neg Pos softkey 4 127 phase modulation 4 67 source 4 71 start rate 4 71 stop rate 4 72 sweep time 4 72 sweep trigger 4 72 tone 1 rate 4 73 tone 2 amplitude percent of peak 4 73 tone 2 rate 4 73 turning off on 4 69 waveform 4 74 phase modulation deviation 4 68 phase modulation deviation coupling 4 69 phase modulation rate 4 70 phase modulation sweep trigger bus 4 74 external 4 74 immediate 4 77 trigger key 4 79 Phase Ref Set softkey 4 37 phase changing 4 34 PN9 Mode Preset Normal Quick softkey 4 127 point trigger 4 97 4 99 4 102 4 107 Point Trigger softkey 4 104 power cord 1 3 power cycles number of 4 117 power level amplitude m
50. oscillator for use by service personnel only e install and remove hardware and software options Softkey Location Utility gt Instrument Adjustments 4 123 Hardkey and Softkey Reference ESG Family Signal Generators Utility Instrument I nfo Help Mode Pressing this softkey reveals a menu of softkeys for the following functions e display diagnostic information about your signal generator e turn on and off the display of information about the status of the modulation modes e toggle the help mode between single and continuous Softkey Location Utility gt Instrument Info Help Mode Inverse Video Off On 1 Q List MCDMA The normal display mode for the signal generator is dark text on a light background Press this softkey to toggle inverse video on light text on a dark background Inverse video is a persistent state it is not affected by an instrument preset or by a power cycle Softkey Location Utility gt Display gt Inverse Video Off On Press this softkey to set the current catalog type to Q and display the catalog of Q files Softkey Location Utility gt Memory Catalog gt Catalog Type gt Modulation Catalog Types gt 1 Q Press this softkey to set the current catalog type to List and display the catalog of list files Softkey Location Utility gt Memory Catalog gt Catalog Type gt List Press this softkey to set the current catalog type to MCDMA and display the catalog of MCDMA fil
51. press Preset as long as you have set the Preset Normal User Softkey to User For additional information about the Preset Normal User softkey refer to its description in this section The user s state definition is a state file it is not affected by an instrument preset or by a power cycle Softkey Location Utility gt Power On Preset gt Save User Preset This softkey is one of the choices in both the Preset Language menu and the Remote Language menu Press either the Preset Language softkey or the Remote Language softkey to view these menus SCPI Standard Commands for Programmable nstruments is the language chosen for remote implementation of all supported instrument features Choosing SCPI in the Preset Language menu allows you to select this remote language as the default after a normal preset Choosing scPI in the Remote Language menu allows you to immediately change the signal generator to use this remote language Softkey Location Utility gt Power On Preset gt Preset Language gt SCPI Or Utility gt GPIB RS 232 gt Remote Language gt SCPI Screen Saver Delay User s Guide This softkey sets the period of time before the screen saver is activated The screen saver delay is set to 1 hour at the factory You can change the delay by pressing Utility gt Display gt Screen Saver Delay The current value for delay is displayed in the active entry area To enter a new value rotate the front panel knob use the up and d
52. single sweep mode the sweep is armed e The Sweep Trigger softkey in the Sweep List menu is set to Trigger Key e The Trigger key can cause the sweep to step point by point in a step or list sweep under the following conditions e Sweep mode is configured and turned on e In single sweep mode the sweep is armed e The Point Trigger softkey in the Sweep List menu is set to Trigger Key e Thesweep must be triggered if Sweep Trigger is not set to Immediate Also under these conditions the Trigger key has autorepeat capability Hold it down and it will repeatedly trigger the consecutive points in the sweep e The Trigger key can start a single sweep of swept sine amplitude frequency or phase modulation under the following conditions e Trigger Key is selected in the AM FM or M Sweep Trigger menu e Swept sine AM FM or M is enabled User s Guide 4 109 Hardkey and Softkey Reference ESG Family Signal Generators Trigger 4 110 Also under these conditions the Trigger key has autorepeat capability Hold it down and it will repeatedly trigger the sweep This has the effect of stopping the current sweep before it finishes when the key repeat is detected The Trigger Key can start an LF swept sine output under the following conditions e Function Generator is selected as the LF Out Source e The LF Out Sweep Trigger iS Set to Trigger Key e Swept sine LF out is selected Also under these conditions the Tri
53. softkey 4 136 Select Item softkey 4 136 Select Reg softkey 4 94 Select Seq softkey 4 88 4 95 Seq softkey 4 137 serial number 4 117 service request annunciator 3 10 setting a frequency reference and frequency offset 2 3 setting AM depth 2 5 setting AM rate 2 6 setting an amplitude reference and amplitude offset 2 4 setting carrier frequency amplitude modulation 2 5 setting carrier frequency frequency modulation 2 7 setting FM deviation 2 7 setting FM rate 2 8 setting frequency and power levels 2 2 setting internally generated amplitude modulation setting power level amplitude modulation 2 5 setting power level frequency modulation 2 7 setting RF frequency 2 2 setting the RF output power level 2 3 setting up internally generated frequency modulation 2 7 Shape softkey 4 137 shipment checking 1 2 signal generation installation 1 2 Sine softkey 4 10 4 31 4 60 4 77 Single Sweep softkey 4 105 softkey descriptions 4 1 Index softkey labels 3 8 softkeys Points 4 96 M Dev 4 68 M Dev Couple Off On 4 69 M Off On 4 69 M Path 1 2 4 70 M Rate 4 70 M Source 4 71 M Start Rate 4 71 M Stop Rate 4 72 M Sweep Time 4 72 M Sweep Trigger 4 72 M Tone 1 Rate 4 73 M Tone 2 Ampl Percent Of Peak 4 73 M Tone 2 Rate 4 73 M Waveform 4 74 Add Comment To Seq n Reg nn 4 91 Adjust Phase 4 34 ALC BW Normal Narrow 4 13 ALC Off On 4 14 4 42 Alt Ampl Delta 4 15 Al
54. state it is not affected by an instrument preset or by a power cycle Adjusting the Screen Saver You can increase the life expectancy of the signal generator s display light by turning on the screen saver Leaving the display lit for long periods of time or turning the display on and off frequently decreases the life of the bulb With the screen saver on the display light is turned off after a defined period of time with no input to the front panel The display light turns on again when any front panel key is pressed or when a remote command is sent The screen saver is set to off at the factory You can turn it on by pressing Utility gt Display gt Screen Saver Off On Each time you press Screen Saver Off On the selection toggles between Off and On You can adjust the screen saver mode to turn the light on and off or to turn both the light and text on and off Press Utility gt Display gt Screen Saver Mode You can toggle between Light Only and Light amp Text Setting the mode to Light Only turns the display light off but leaves the text visible at a low intensity To prevent the text from burning the display if you are leaving the display unchanged for long periods of time set the mode to Light amp Text This mode turns the display light and the text off The screen saver delay is set to 1 hour at the factory You can view and change the delay by pressing Screen Saver Delay in the same menu The current screen saver delay is disp
55. state it is not affected by an instrument preset or by a power cycle Softkey Location Utility gt Power On Preset gt Reverse Power Protection Normal 8648 4 132 User s Guide ESG Family Signal Generators Hardkey and Softkey Reference Utility RS 232 Baud Rate Press this softkey to set the baud rate in bits per second for the rear panel RS 232 connector this connector is labeled AU XILIARY INTERFACE To change the baud rate press the softkey A menu is displayed of baud rates that are allowed Press the softkey for the desired value The baud rate is now set to the new value and the value is displayed below the RS 232 Baud Rate softkey Baud rate is a persistent state it is not affected by an instrument preset or by a power cycle Softkey Location Utility gt GPIB RS 232 gt RS 232 Baud Rate RS 232 Echo Off On This softkey toggles the echo function on and off for the RS 232 serial port AUXILIARY INTERFACE connector When echo is set to on every character sent to the signal generator is immediately sent back No editing capability is available Echois not affected by an instrument preset or by a power cycle Softkey Location Utility gt GPIB RS 232 gt RS 232 Echo Off On RS 232 Pace Pressing this softkey reveals a menu of choices for setting the RS 232 handshake protocol In this menu you can choose transmit pacing receive pacing and RTS CTS control Softkey Location Utility gt GPIB RS 232 gt RS 232 Pace
56. station BTS loopback measurements This female SMB connector is present only on instruments with Option 300 User s Guide 3 19 Front and Rear Panel ESG Family Signal Generators Rear Panel Overview 3 20 User s Guide ESG Family Signal Generators 4 Hardkey and Softkey Reference This chapter describes each front panel hardkey and each softkey associated with the hardkey as well as the default value for each key The chapter is organized alphabetically by front panel hardkey User s Guide 4 1 Hardkey and Softkey Reference ESG Family Signal Generators AM AM AM Depth Pressing the front panel AM key reveals a menu of softkeys These softkeys are described in this section in alphabetical order MENUS TE ee A am pk726a This softkey sets the amplitude modulation depth in percent for the AM Path 1 and AM Path 2 configurations To change the value of the AM depth press the softkey once The current value for AM depth is displayed in the active entry area To enter a new value rotate the front panel knob until the desired value is displayed use the up and down arrow keys or enter the value using the numeric keypad and press the terminator softkey The range of values allowed is 0 1 to 100 The minimum increment allowed is 0 1 Notice that the new value of AM depth applies only to whichever AM path configuration AM Path 1 or AM Path 2 you have currently selected Default Val
57. the previous menu and turns the sweep function on Press the Sweep Repeat Single Cont softkey to toggle from Single to Cont Notice that the SWEEP display annunciator is turned on indicating that the signal generator is sweeping Press the front panel RF On Off key to toggle RF on Notice that the display annunciator changes from RF oFF torr on The swept RF signal is now available at the RF OUTPUT connector Configuring a List Sweep Using Step Sweep Data 1 2 Press the Sweep Type List Step softkey to toggle from Step to List Press the Configure List Sweep softkey Another menu is displayed with softkeys that you will use to create the sweep points Notice that the display shows the current list data When no list has been previously created the default is one point set to the signal generator s maximum frequency 135 dBm with a dwell time of 2 ms Press More 1 of 2 gt Load List From Step Sweep gt Confirm Load From Step Sweep The points you defined in the step sweep are automatically loaded into the list Editing List Sweep Points 1 For point 1 change the dwell time to 100 ms Press the right arrow key twice until the dwell time is highlighted Press More 2 of 2 gt Edit Item The dwell time for point 1 becomes the active function Enter 100 ms using the numeric keypad and pressing the msec terminator softkey Note that the next item in the table in this case the frequency value for point 2
58. the sweep list values will be displayed Edit the dwell values if they are incorrect NOTE The effective dwell time at the RF OUTPUT connector is the sum of the value set for the dwell plus processing time attenuator switching time and settling time This additional time added to the dwell is generally a few milli seconds The TTL output however available at the TRIGGER OUT connector is asserted high only during the actual dwell time If the list dwell values are correct check to see if the Dwell Type List Step softkey is set to Step When Step is selected the signal generator will sweep the list points using the dwell time set for step sweep rather than the sweep list dwell values To view the step sweep dwell time press Configure Step Sweep and observe the value set for the Step Dwell softkey Can t Turn Off Help Mode There are two help modes single and continuous available on the signal generator In single mode the factory preset condition when you press the Help key help text is provided for your next key press Now press any key and you will exit the help function and the function of the key you pressed is also executed When you are in continuous help mode when you press the Help key help text is provided for your next key press and that key s function is also executed except for the Preset key You will stay in this help mode until you press the Help key again To change from continuous to single mode press Utility gt
59. the value to 1 dBm Inserting a new power value at point 8 shifts down the original power values for points 8 and 9 by one row Highlight the dwell time for point 9 then press Insert Item A duplicate of the highlighted dwell time is inserted for point 9 shifting the existing value down to complete the entry for point 12 Turning On List Sweep for a Single Sweep 1 2 Press Return to move up one menu level Notice that the Sweep softkey is still set to sweep both frequency and amplitude data You do not need to change it Press the Sweep Repeat Single Cont softkey to toggle from Cont to Single Notice that the SWEEP display annunciator is turned off The sweep will not occur until it is triggered Press Single Sweep The signal generator will sweep the points in your list once Notice that the sweep display annunciator is turned on during the sweep Change the sweep trigger to occur when you press Trigger gt More 1 of 2 gt Sweep Trigger gt Trigger Key Press More 2 of 2 gt Single Sweep to arm the sweep Notice that the armen display annundator has turned on Press the front panel Trigger key The signal generator will sweep the points in your list once and the sweep display annunciator is turned on during the sweep User s Guide 2 11 Using Functions ESG Family Signal Generators Saving and Recalling an Instrument State Saving and Recalling an Instru
60. time sweep type repeat trigger point trigger mode direction and trigger out polarity Shape Data associated with specifying burst shape State Data controlling instrument operating state parameters such as frequency power level and mode NOTE ARB catalog files and Modulation catalog files are documented in the applicable option user s and programming guide Viewing Stored Files 1 Press the utility hardkey 2 Press the softkey Memory Catalog 3 Press Catalog Type The default catalog type is All files are listed in alphabetical order 4 Toview a specific catalog type choose that catalog s softkey NOTE Catalogs may display an additional menu of softkeys where you choose the specific subcatalog that you wish to view User s Guide 5 3 Memory Structure ESG Family Signal Generators File Storage the Memory Catalog Copying Stored Files 1 Highlight the desired file 2 Press Copy File to open a text editor 3 Press Editing Keys gt Clear Text 4 Input the new file name and press Enter to terminate the entry Renaming Stored Files 1 Highlight the desired file 2 Press More 1 of 2 gt Rename File to open a text editor 3 Press Editing Keys gt Clear Text 4 Input the new file name and press Enter to terminate the entry Deleting Stored Files 1 Highlight the desired file 2 Press Delete File The Confirm Delete softkey appears 3 Press Confirm Delete 5 4 User s Guide ESG Family S
61. to whichever M path configuration you have currently selected Softkey Location FM oM hardkey gt FM M softkey pM gt M Waveform gt Noise This softkey lets you specify sine as the phase modulation waveform for the M Path 1 and M Path 2 configurations Notice that the selected waveform applies only to whichever M path configuration you have currently selected Softkey Location FM M hardkey gt FM M softkey M gt M Waveform gt Sine 4 77 Hardkey and Softkey Reference ESG Family Signal Generators Phase Modulation Square Swept Sine Triangle This softkey lets you to specify square as the phase modulation waveform for the M Path 1 and M Path 2 configurations Notice that the selected waveform applies only to whichever M path configuration you have currently selected Softkey Location FM mM hardkey gt FM M softkey M gt M Waveform gt Square Pressing this softkey reveals a menu of choices for setting the swept sine phase modulation parameters In this menu you can set the start and stop M rate and the sweep time You can set the signal generator toa single externally triggered sweep on either a negative or positive TTL level or you can choose continuous sweep triggered immediately In this menu you can also select either a positive or negative polarity for the TRIGGER OUT signal Softkey Location FM e mM hardkey gt FM M softkey M gt M Waveform gt Swept Sine Specifies triangle as the freque
62. use this remote language Softkey Location Utility gt Power On Preset gt Preset Language gt 8657D PDC Or Utility gt GPIB RS 232 gt Remote Language gt 8657D PDC 8657 PHS Option UNS This softkey is one of the choices in both the Preset Language menu and the Remote Language menu The 8657J PHS softkey is a language choice for the signal generator that is compatible with the remote language commands used by the 8657 with PHS digital modulation capabilities Choosing 8657J PHS in the Preset Language menu allows you to select this remote language as the default after a normal preset Choosing 8657J PHS in the Remote Language menu allows you to immediately change the signal generator to use this remote language Softkey Location Utility gt Power On Preset gt Preset Language gt 8657J PHS Or Utility gt GPIB RS 232 gt Remote Language gt 8657J PHS GPIB Address Press this softkey to change the signal generator s GPIB address The GPIB address is set to 19 at the factory You can change the address to any number between 0 and 30 To enter a new value press Utility gt GPIB RS 232 gt GPIB Address and rotate the front panel knob use the up and down arrow keys or enter the value using the numeric keypad and press the Enter terminator softkey The GPIB address setting is a persistent state it is not affected by an instrument preset or by a power cycle Softkey Location Utility gt GPIB RS 232 gt GPIB Address
63. using the numeric keypad and press the kHz or Hz terminator softkey The range of values allowed is 0 1 Hz through 50 kHz The minimum increment allowed is 0 1 Hz This softkey is coupled to the FM Stop Rate softkey in the FM Swept Sine Menu Any value set for FM Tone 2 Rate is reflected in the FM Stop Rate softkey Conversely if you change the value for the FM Stop Rate softkey the value for FM Tone 2 Rate is changed to match Default Value 400 0 Hz Softkey Location FM M gt FM Waveform gt Dual Sine gt FM Tone 2 Rate FM Waveform Immediate Internal 4 30 Pressing this softkey reveals a menu of FM waveform choices for your FM Path 1 and FM Path 2 configurations Select from sine triangle square ramp noise dual sine and swept sine waveforms Notice that your waveform selection applies only to whichever FM path configuration you have currently selected Default Value Sine Softkey Location FM M gt FM Waveform This softkey is one of the choices in the FM Sweep Trigger menu Choosing Immediate immediately triggers swept sine frequency modulation in a continuous mode To stop the sweep choose a different trigger such as Ext or set the waveform to something other than Swept Sine Softkey Location FM M gt FM Waveform gt Swept Sine gt FM Sweep Trigger gt Immediate This softkey lets you internally generate an AC coupled frequency modulation signal The internal source has multiple uses but can be us
64. will then confirm that you want to delete all of the files in memory Press the Confirm Delete Of All Files terminator softkey and all of the files are deleted You cannot recover files after this step If you change your mind and do not wish to delete the files press the Return front panel hardkey instead This softkey does not affect the persistent state or calibration information If power on mode is set to last a new last state file will be created when the instrument idles Softkey Location Utility gt Memory Catalog gt Catalog Type gt All gt Delete All Files Delete All lt catalog type gt Files CAUTION Delete File 4 116 Press this softkey to delete all of the files in the displayed catalog of files of a selected catalog type You must confirm that you want to delete all of the files Press the Confirm Delete Of lt catalog type gt Files terminator softkey to delete all the files of the selected type You cannot recover files after this step If you change your mind and do not wish to delete the files press the Return front panel hardkey instead Softkey Location Utility gt Memory Catalog gt Catalog Type gt lt catalog type gt gt Delete All lt catalog type gt Files Press this softkey to delete a file in the displayed catalog of files To delete a file first select the file from the displayed list by scrolling through the list using the front panel knob or up and down arrow keys When the desired fi
65. 10 Sweep Direction Down Up softkey 4 106 sweep list dwell time incorrect 2 18 sweep mode turning off 2 17 SWEEP OUT connector 3 14 Sweep Repeat Single Cont softkey 4 106 Sweep softkey 4 106 sweep trigger bus 4 97 external 4 99 immediate 4 102 trigger key 4 107 Sweep Trigger softkey 4 107 Sweep Type List Step softkey 4 107 Sweep List hardkey 4 96 Swept Sine softkey 4 11 4 31 4 61 4 78 switch power 3 5 SYMBOL SYNC input connector 3 7 SYMBOL SYNC OUT connector 3 13 Symbol Sync Out Polarity Neg Pos softkey 4 138 Symbol Sync Polarity Neg Pos softkey 4 138 T T annunciator 3 11 talk mode annunciator 3 11 temperature requirements 1 4 text area 3 9 Transmit Pace None Xon softkey 4 139 Triangle softkey 4 11 4 32 4 61 4 78 Trigger hardkey 3 3 4 109 TRIGGER IN connector 3 14 Trigger In Polarity Neg Pos softkey 4 11 4 32 4 61 4 78 Trigger Key softkey 4 12 4 32 4 62 4 79 4 107 TRIGGER OUT connector 3 14 Trigger Out Polarity Neg Pos softkey 4 12 4 33 4 62 4 79 4 108 troubleshooting 2 16 can t turn off help mode 2 18 empty registers 2 17 incorrect LF output signal 2 18 incorrect register contents 2 17 incorrect sweep list dwell time 2 18 no modulation at RF output 2 17 noRF output 2 16 optional features not working 2 16 power supply shut down 2 17 RF output too low 2 16 signal generator locked up 2 19 sweep list not recalled 2 17 turning off
66. 2 to define two unique amplitude modulation configurations For example select AM Path 1 AM Path 1 is the default after a normal preset If AM Path 1 is not highlighted press the AM Path 1 2 WB softkey until the selection toggles to AM Path 1 Configure the modulation characteristics such as depth source rate and waveform using the remaining softkeys in the AM menu Then enable AM by setting AM Off On to On To configure a second amplitude modulation configuration toggle to AM Path 2 Define the modulation characteristics for this second configuration and enable AM by setting AM Off On to On TheRF carrier is available at the RF OUTPUT connector when you set RF On Off to On Set Mod On Off to On to modulate the RF carrier with the modulations that you have enabled AM Path 1 and AM Path 2 are Summed internally for composite modulation Either path can be switched to any one of the modulation sources I nt Ext1 or Ext2 All modulation types can be simultaneously enabled except FM with M AM with external burst source and wideband AM with 1 Q AM FM and M can sum simultaneous inputs from any two sources Int Ext1 and Ext2 Any given source Int Ext1 or Ext2 can only be routed to one activated modulation type Hardkey and Softkey Reference ESG Family Signal Generators AM AM Rate AM Source 4 4 The wideband AM selection AM Path WB eliminates the bandwidth limitations of the ALC loop thereby increasing the band
67. 426802 tel PLDT subscriber only 1 800 16510170 fax 632 8426809 fax PLDT subscriber only 1 800 16510288 Thailand tel outside Bangkok 088 226 008 tel within Bangkok 662 661 3999 fax 66 1 661 3714 Amp jl a Hong Kong tel 800 930 871 fax 852 2506 9233 Taiwan tel 0800 047 866 fax 886 2 25456723 People s Republic of China tel preferred 800 810 0189 tel alternate 10800 650 0021 fax 10800 650 0121 India tel 1 600 11 2929 fax 000 800 650 1101 User s Guide 2 21 Using Functions ESG Family Signal Generators Agilent Technologies Sales and Service Offices 2 22 User s Guide ESG Family Signal Generators 3 Front and Rear Panel This chapter contains descriptions of the keys and connectors and other hardware on the front and rear panels It also describes which information is displayed in the various parts of the display User s Guide 3 1 Front and Rear Panel Front Panel Overview ESG Family Signal Generators Front Panel Overview 21 Display 23 Softkeys 24 Knob 27 Save Key 30 Recall Key 28 Menu Keys 25 Amplitude Key 26 Frequency Key 4 Trigger Key 3 Help Key EXT 1 INPUT Connector EXT 2 INPUT Connector LF OUTPUT Connector RF OUTPUT Connector RF On Off Key Mod On Off Key 17 Line Powe
68. 50 kHz The minimum increment allowed is 0 1 Hz This softkey is coupled to the AM Tone 2 Rate softkey in the AM Dual Sine Menu Any value set for AM Stop Rate is reflected in the AM Tone 2 Rate softkey Conversely if you change the value for the AM Tone 2 Rate softkey the value for AM Stop Rate is changed to match Default Value 400 0 Hz Softkey Location AM gt AM Waveform gt Swept Sine gt AM Stop Rate Hardkey and Softkey Reference ESG Family Signal Generators AM AM Sweep Time Sets the sweep time for swept sine amplitude modulation The signal generator will vary the AM rate from the specified start rate to the stop rate in the time set with this softkey Enter the desired sweep time using the up and down arrow keys the front panel knob or enter a value using the numeric keypad and press the sec or msec terminator softkey The range of values allowed is 1 ms through 65 535 s The minimum increment allowed is 1 ms Default Value 100 0 msec Softkey Location AM gt AM Waveform gt Swept Sine gt AM Sweep Time AM Sweep Trigger Reveals a menu of choices for triggering swept sine amplitude modulation You can choose triggering that occurs immediately triggering that is supplied by the GPIB triggering on either the positive or negative edge of a signal supplied tothe TRIGGER IN connector or triggering by the front panel Trigger key Default Value mmediate Softkey Location AM gt AM Waveform gt Swept Sine g
69. AS END is high The damage levels are gt 8 and lt 4 V This female SM B connector is provided only on instruments with Option UN7 24 BER NO DATA Connector The BER NO DATA connector outputs a signal that indicates the no data status The no data status is reported when there has been no clock input for more than 3 seconds or there has been no data change for more than 200 bits This signal is valid only when the signal of the BER MEAS END connector is high No data status is detected when the signal is low The damage levels are gt 8 and lt 4 V This female SMB connector is provided only on instruments with Option UN7 3 18 User s Guide ESG Family Signal Generators Front and Rear Panel Rear Panel Overview 25 BER SYNC LOSS Connector The BER SYNC LOSS connector outputs a signal that indicates the synchronization loss state This signal is only valid when the signal of the BER MEAS END connector is high Synchronization loss state is detected when the signal is low The damage levels are gt 8 and lt 4 V This female SMB connector is provided only on instruments with Option UN7 26 BER DATA IN Connector Use this connector to input the data streams for the bit error rate measurements The rising positive or falling negative edge of the BER CLK IN signal selected by the softkey or the GPIB command is used to trigger the reading of the data The damage levels are gt 8 and lt 4V This connector must be terminated
70. B RS 232 softkey 4 123 humidity requirements 1 4 INPUT connector 3 5 Offset softkey 4 46 OUT connector 3 17 1 Q external source 4 45 internal source 4 48 1 Q Adjustments Off On softkey 4 46 1 Q Adjustments softkey 4 46 1 Q annunciator 3 10 1 Q calibration 4 44 start frequency 4 50 1 Q Calibration softkey 4 46 1 Q Gain softkey 4 47 1 Q hardkey 4 42 1 Q modulation 4 47 1 Q Off On softkey 4 47 1 Q softkey 4 124 1 Q Source softkey 4 47 IEC Publication 1010 6 5 Index Immediate softkey 4 9 4 30 4 52 4 77 4 102 Incr Set hardkey 3 6 4 41 increment setting 4 41 indoor use 1 4 input connectors 3 19 10 MHZIN 3 14 321 4 MHz IN 3 19 AUXILIARY INTERFACE 3 13 BASEBAND GEN REF IN 3 17 BER CLK IN 3 19 BER GATE IN 3 19 BURST GATE IN 3 15 DATA 3 6 DATA CLOCK 3 7 EXT 1INPUT 3 3 EXT 2 INPUT 3 3 HP IB 3 13 INPUT 3 5 line power 3 13 PATTERN TRIGIN 3 15 PULSE IN 3 7 QINPUT 3 5 RS 232 3 13 SYMBOL SYNC 3 7 TRIGGER IN 3 14 Insert Item softkey 4 102 Insert Row softkey 4 102 installation 1 2 Installed Board Info softkey 4 123 instruction manual symbol 6 3 Instrument Adjustments softkey 4 123 Instrument I nfo Help Mode softkey 4 124 instrument markings 6 3 instrument state saving and recalling 2 12 Int Burst softkey 4 48 Int 1 Q softkey 4 48 Internal Modulation softkey 4 53 Internal Pulse softkey 4 83 internal reference oscillator adjustment 4 130 Internal softk
71. Build New Waveform Sequence menu The damage levels for this connector are gt 8 V and lt 4V This female BNC connector is provided only on instruments with Option UN8 or UND If you configure your instrument with Option 1EM this output is changed from a BNC to an SMB connector With Option 201 you can select from several different output signals for this connector 17 EVENT 2 Connector With Option UN8 turned on this TTL CMOS compatible connector outputs a data enable signal for gating external equipment The output is applicable when the external data is clocked into internally generated timeslots Data is enabled when the signal is low With Option UN5 turned on Option UN5 requires Option UND hardware a marker is output on the EVENT 2 connector every 26 67 milliseconds corresponding to the start of each short code With Option UND turned on there is a marker on off condition associated with each waveform point A marker TTL high when positive polarity is selected TTL low when negative polarity is selected is output on the EVENT 2 connector whenever a Marker 2 is turned on in the waveform Markers are automatically turned on whenever you set them in a waveform segment When you combine waveform segments that contain Marker 2 into a sequence the markers are automatically turned off until you toggle them on in either the Edit Selected Waveform Sequence menu or in the Build New Waveform Sequence menu The damage levels are gt
72. Default Value 100 0 msec Softkey Location FM M hardkey gt FM M softkey M gt M Waveform gt Swept Sine gt M Sweep Time M Sweep Trigger 4 72 Pressing this softkey reveals a menu of choices for triggering swept sine phase modulation You can choose triggering that occurs immediately triggering that is supplied by the GPIB triggering on either the positive or negative edge of a signal supplied to the TRIGGER IN connector or triggering by the front panel Trigger key Default Value mmediate Softkey Location FM mM hardkey gt FM M softkey M gt M Waveform gt Swept Sine gt M Sweep Trigger User s Guide ESG Family Signal Generators Hardkey and Softkey Reference Phase Modulation M Tone 1 Rate Press this softkey to set the internal modulation frequency for the 6M tone 1 Enter the desired rate using the up and down arrow keys the front panel knob or enter a value using the numeric keypad and press the kHz or Hz terminator softkey The range of values allowed is 0 1 Hz through 50 kHz The minimum increment allowed is 0 1 Hz This softkey is coupled to the M Rate softkey in the initial M Menu and the M Start Rate softkey in the PM Swept Sine M enu Any value set for M Tone 1 Rate is reflected in the M Rate and M Start Rate softkeys Conversely if you change the value for either the M Rate softkey or the amp M Start Rate softkey the value for M Tone 1 Rate is changed to match Default Value 400 0 Hz
73. Immediate Insert Item Insert Row This softkey is one of the choices in both the Sweep Trigger menu and the Point Trigger menu Press either the Sweep Trigger softkey or the Point Trigger softkey to view these menus Choosing Immediate in the Sweep Trigger menu immediately triggers the current sweep when you press the Single Sweep softkey When sweep repeat is continuous and Immediate is chosen for the sweep trigger then sweeps are triggered consecutively a new sweep is triggered as soon as the current sweep ends Choosing Immediate in the Point Trigger menu causes the sweep to pause for the dwell time at each point after the hardware has been set up for that point s frequency and amplitude Softkey Location Sweep List gt Sweep Trigger gt Immediate Or Sweep List gt Point Trigger gt Immediate Press this softkey to place a copy of the selected item directly below that item in the sweep list First use the up and down arrow keys until the item you wish to copy is selected Press Insert Item and an identical copy of the selected item is placed below it Softkey Location Sweep List gt Configure List Sweep gt Insert Item Press this softkey to place a copy of the selected row directly below that row in the sweep list First use the up and down arrow keys until any item is selected in the row you wish to copy Press Insert Row and an identical copy of the selected row is placed below it Softkey Location Sweep List gt Co
74. Out gt LF Out Source gt Function Generator gt LF Out Waveform gt Sine Square This softkey lets you specify square as the waveform for the LF output signal This softkey is only active when you have selected the internal source to operate as a function generator Softkey Location LF Out gt LF Out Source gt Function Generator gt LF Out Waveform gt Square 4 60 User s Guide ESG Family Signal Generators Hardkey and Softkey Reference Swept Sine Triangle LF Out Pressing this softkey reveals a menu of choices for setting the swept sine low frequency output In this menu you can set the LF start and stop frequency and the sweep time You can also set the trigger for the swept sine output and the polarity of the TRIGGER IN and TRIGGER OUT signals Softkey Location LF Out gt LF Out Source gt Function Generator gt LF Out Waveform gt Swept Sine This softkey lets you specify triangle as the waveform for the LF output signal This softkey is only active when you have selected the internal source to operate as a function generator Softkey Location LF Out gt LF Out Source gt Function Generator gt LF Out Waveform gt Triangle Trigger In Polarity Neg Pos User s Guide Press this softkey to toggle between a negative TTL level trigger 0 V and a positive TTL level trigger 5 V for externally triggering swept sine low frequency output This softkey is coupled to the Trigger In Polarity Neg Pos
75. Polarity Neg Pos softkey in the AM Swept Sine Menu toNeg the Trigger In Polarity Neg Pos softkey is also set to Neg for swept sine FM amp M and LF Out In addition if the step or list sweep is set to externally trigger the selection will automatically be set to Ext Neg The same softkeys will toggle to Pos or to Ext Pos if you select Pos in the Swept Sine AM Menu Conversely if the Trigger In Slope Neg Pos softkey is toggled in the swept sine FM M or LF Out menus it will cause the swept sine AM softkey to toggle also This is also true for the Ext Neg and Ext Pos step or list sweep trigger selections Default Value Pos Softkey Location AM gt AM Waveform gt Swept Sine gt Trigger In Polarity Neg Pos 4 11 Hardkey and Softkey Reference ESG Family Signal Generators AM Trigger Key This softkey is one of the choices in the AM Sweep Trigger menu With Trigger Key selected when you press the Trigger front panel key you immediately trigger a single sweep of swept sine amplitude modulation The Trigger key has autorepeat capability Hold it down and you will repeatedly trigger sweeps until you release the key Softkey Location AM gt AM Waveform gt Swept Sine gt AM Sweep Trigger gt Trigger Key Trigger Out Polarity Neg Pos 4 12 This softkey toggles the polarity of the TTL signal that is output at the rear panel TRIGGER OUT connector When Trigger Out Polarity Neg Pos iS set to Pos the output signal is ass
76. Power Receptacle The power cord receptacle accepts a three pronged cable that is shipped with the instrument The line voltage is connected here 2 GPIB Connector The GPIB connector allows communications with compatible devices such as external controllers It is functionally equivalent to the AUXILIARY INTERFACE connector 3 SYMBOL SYNC OUT Connector The TTL CMOS compatible SYMBOL SYNC OUT connector outputs a symbol synchronization pulse one data clock period wide for use in digital modulation applications The pulse output is synchronized with the first symbol in the internal pattern generator sequence The damage levels are gt 8 and lt 4 V This female BNC connector is provided only on instruments with Option UND or UN8 If you configure your instrument with Option 1EM this output is changed from a BNC toan SMB connector With Option 201 you can select from several different output signals for this connector 4 AUXILIARY INTERFACE Connector This male DB 9 connector is an RS 232 serial port that can be used for controlling the signal generator remotely It is functionally equivalent to the GPIB connector The following table shows the description of the pinouts Pin Number Signal Description Signal Name 1 No Connection 2 Receive Data RECV 3 Transmit Data XMIT 4 V 5 Ground 0 V 6 No Connection 7 Request to Send RTS 8 Clear to Send CTS 9 No Connection View looking int
77. SG AP ESG DP and Option 1E 5 has dropped below an acceptable level When this annunciator is on frequency accuracy is degraded This condition should occur only if the signal generator is disconnected from line power The annunciator is timed and automatically turns off after a specified period This annunciator appears when pulse modulation is turned on Ther annunciator appears when the signal generator is in remote GPIB operation This annunciator toggles between RF oFF and RF oN and is always visible in the display This annunciator indicates whether the RF signal is present at the RF OUTPUT connector The s annunciator appears when the signal generator has generated a service request SRQ over the GPIB This annunciator appears when the signal generator is sweeping in list or step mode User s Guide ESG Family Signal Generators Front and Rear Panel UNLEVEL UNLOCK User s Guide Display Annotation The T annunciator appears when the signal generator is in the talk mode and is transmitting information over the GPIB or RS 232 This annunciator appears when the signal generator is unable to maintain the correct output level The UNLEVEL annunciator is not necessarily an indication of instrument failure Unleveled conditions can occur during normal operation for example if 1 Q modulation is turned on and no1 Q signals are connected A second annunciator atc oFF will appear in the same position when th
78. Search softkey 4 17 4 44 down arrow key 4 20 Dual Sine softkey 4 8 4 22 4 52 4 74 DWCDMA softkey 4 118 dwell time incorrect 2 18 dwell time step sweep 4 105 Dwell Type List Step softkey 4 99 echo off on 4 133 Edit Item softkey 4 99 Editing Keys softkey 4 93 4 118 Editing Mode Insert Replace softkey 4 93 4 118 electrical requirements 1 3 enabling options 2 13 Index environmental requirements 1 3 ENVLP annunciator 3 9 ERR annunciator 3 10 Error Info softkey 4 119 error message area 3 8 error messages where displayed 3 8 European Community trademark 6 3 EVENT 1 connector 3 16 Event 1 Polarity Neg Pos softkey 4 119 EVENT 2 connector 3 16 Event 2 Polarity Neg Pos softkey 4 119 examples enabling options 2 13 Execute Cal softkey 4 44 Ext 1 AC Coupled softkey 4 8 4 23 4 75 Ext 1 DC Coupled softkey 4 8 4 23 4 75 EXT 1 INPUT connector 3 3 Ext 2 AC Coupled softkey 4 9 4 24 4 76 Ext 2 DC Coupled softkey 4 9 4 24 4 76 EXT 2 INPUT connector 3 3 Ext 1 Q Phase Polarity Normal Invert softkey 4 45 Ext 1 Q softkey 4 45 Ext Pos softkey 4 99 EXT REF annunciator 3 10 Ext softkey 4 8 4 23 4 52 4 74 Ext1 DC softkey 4 44 EXT1HI annunciator 3 10 4 4 EXT1LO annundator 3 10 4 4 Ext2 DC Coupled softkey 4 82 EXT2 HI annunciator 3 10 4 4 EXT2 LO annundiator 3 10 4 4 F Fast Pulse Off On softkey 4 82 FCDMA softkey 4 119 files copying 5 4 deleting 5 4 renaming 5 4
79. Softkey Location LF Out gt LF Out Off On LF Out Period Changes the pulse period for the pulsed low frequency waveform To change the period press the softkey once The current value for pulse period is displayed in the active entry area To enter a new value rotate the front panel knob until the desired value is displayed use the up and down arrow keys or enter the value using the numeric keypad and press the usec or msec terminator softkey The range of values allowed is from 16 us to 30s If you set the pulse period to a smaller value than the pulse width an error message will be generated and the pulse width will be reduced to the value of the pulse period This softkey is only active when you have selected the internal source to operate as a function generator and when the LF Out waveform is specified as pulse Default Value 80 us Softkey Location LF Out gt LF Out Source gt Function Generator gt LF Out Waveform gt Pulse gt LF Out Period 4 54 User s Guide ESG Family Signal Generators Hardkey and Softkey Reference LF Out LF Out Source Reveals a menu of choices for LF output sources You can choose to output the signal from the internal source as it is being used by a modulation or you can use the internal source as a function generator and select that signal to output at the LF OUTPUT connector If you choose the internal source the frequency and shape of the signal at the LF OUTPUT connector is set by thein
80. Sweep 2 ett 2 9 Saving and Recalling an Instrument State 0 asarna rannan earna 2 12 Brain COS v4 1 tad cee enn a PA ee OR ae eh eee 2 13 Fyon enone a Propiedad Reema Renee meee Oe 2 16 Returning a Signal Generator to Agilent Technologies 0 00 cece eee 2 20 Agilent Technologies Sales and Service Offices 2 2 cece 2 21 3 Front and Rear Panel Front Pale ve View 2 656500 b ERENT R EECA ROE ER RE PRT Oh ETE See SER Ee 3 2 DENRA srciaiadweecnu idudeaa haa bevseniine ke dade icgeenad AA 3 8 Rear Poe Vee wh enunt y ena Ka Rane ee ae e ihe da eee OR 3 12 4 Hardkey and Softkey Reference PM sittin tea eet Rhy wee a He eh eee oe te eee Ree aren Ss 4 2 PM ceriseeenieata tains die eps TEA eee anya Mal Ross eee ewe TET 4 13 AE eina a Heenan Hanh Ban BP ee Beh en Nel eg ike a diese ha aad 4 19 PPO O tee tees ees clase hee ies Ad cou RL ERR ROR hae RRO RE Ean ee wiles 4 20 Dishes Conta River creck tore ohh aeae a pees peee eed OR E 4 21 Pg hicae a hase TE ane E E ETT donning hak minal Ris he ois duet ek Ae decals 4 22 PI en sn 2 hse te cm ese Reo sr Bh fesse eso ran Se eth Gases ne ees i nse ib san een ede se Set san 4 34 Hi l LAATAT TETTA eas hG een areds dees Meet Re REAR he Rd Lees Ae 4 38 Hey cin toate ee te then een Leet de SOR e te a ee eee 4 39 Mone Steam ek eR EAR Ree Cee Ee ee tabaee BA Rin pe eae eR 4 40 EVE SR cs een snes ecard sy acer dBi evan etal eA en RE i i ii ans fie fen ef ea lan etn ae i Ha 4 41
81. User s Guide Agilent Technologies ESG Family Signal Generators Serial Number Prefixes Affix Label H ere opie Agilent Technologies Part No E4400 90323 Printed in USA April 2002 Copyright 1999 2002 Agilent Technologies nc WEEE Directive This product complies with the WEEE Directive 2002 96 EC marking requirements The affixed label indicates that you must not discard this electrical electronic product in domestic household waste Product Category With reference to the equipment types in the WEEE Directive ee Annex 1 this product is classed as a Monitoring and Control instrumentation product Do not dispose in domestic household waste To return unwanted products contact your local Agilent office or see http www agilent com environment product for more information os a Agilent Technologies Printed in USA June 2005 Contents 1 Preparing for Use stalling the Signal senerator s ica ccenss teak oasis e oeess cea ee 1 2 Verifying Signal Generator Operation 00 000 tees 1 7 See Agilent Technologies ESG Family Internet Page for the Latest Information 1 10 2 Using Functions Setting Frequency and Power LevelS 0 0 ccc cece ene n teen ene eenes 2 2 Setting Up Internally Generated Amplitude Modulation 0 0 00 cee cence eeee 2 5 Setting Up Internally Generated Frequency Modulation 0 0000 cece eee ene 2 7 Creating a Step Sweep and a List
82. a step sweep To enter the number of points in the sweep press Points The number of step sweep points becomes the active function and the current value is shown in the active entry area To enter a new value rotate the front panel knob until the desired value is displayed use the up and down arrow keys or enter the value using the numeric keypad and press the Enter terminator softkey A step sweep must always have a minimum of 2 points and can be configured to have as many as 401 points Default Value 2 Sweep Ampl List Jjjj Points Softkey Location Sweep List gt Configure Step Sweep gt Points Ampl Press this softkey to set the signal generator to sweep amplitude data only The frequency is set at a constant value determined by the Frequency front panel key You can define a sweep containing both amplitude and frequency information and still choose to sweep amplitude only Softkey Location Sweep List gt Sweep gt Ampl 4 96 User s Guide ESG Family Signal Generators Hardkey and Softkey Reference Ampl Start Ampl Stop Bus Sweep List Sets the amplitude of the first point in the sweep You can set the value anywhere in the range of the signal generator s specified output power Press Ampl Start and amplitude becomes the active function for the first point in the sweep To enter the value rotate the front panel knob until the desired value is displayed use the up and down ar
83. active entry area 2 Enter 0 dBm using the numeric keypad and pressing the dBm terminator softkey The new power level is shown in the amplitude area of the display You should see 0 00 dBm Setting the AM Depth 1 Press the front panel AM key The first level menu of softkeys is displayed 2 Press the AM Depth softkey AM depth becomes the active function and the normal preset value for AM depth is displayed in the active entry area 3 Enter 90 using the numeric keypad and pressing the terminator softkey The new AM depth is displayed below the AM Depth softkey You should see 90 0 in the second line of the softkey User s Guide 9 5 Using Functions ESG Family Signal Generators Setting Up Internally Generated Amplitude Modulation Setting the AM Rate 1 In the same AM menu press the AM Rate softkey AM rate becomes the active function and the normal preset value for AM rateis displayed in the active entry area 2 Enter 10 kHz using the numeric keypad and pressing the kHz terminator softkey The new AM rate is displayed below the AM Rate softkey You should see 10 0000 kHz in the second line of the softkey Turning On Amplitude Modulation The signal generator is now configured to output a 0 dBm amplitude modulated carrier at 1340 kHz with the AM depth set to 90 and the AM rate set to 10 kHz The shape of the waveform is a sinewave notice that sine is the default for the AM Waveform softkey Follow these remaining st
84. al Generators Hardkey and Softkey Reference Save Select Seq Press this softkey to choose a sequence for all softkeys which specify a sequence in this menu For example if you want to select sequence 4 press Select Seq The currently selected sequence is displayed in the active entry area Change the number to 4 using the up and down arrow keys the front panel knob or enter a 4 using the numeric keypad and press the Enter terminator softkey Sequence 4 is now displayed in all softkeys which specify a sequence in this menu There are 100 registers available 0 through 99 in each of 10 0 through 9 sequences You can use these registers in any combination so long as the total number of registers used does not exceed 100 NOTE The actual number of states that can be saved may be less if the user file system has non instrument state files stored such as sweep list sequences or binary files Softkey Location Save gt Select Seq User s Guide 4 95 Hardkey and Softkey Reference ESG Family Signal Generators Sweep List Sweep List Pressing the front panel Sweep List key reveals a menu of softkeys Using these softkeys you can define a series of points containing frequency amplitude and dwell time information for the signal generator to sweep The softkeys are described in this section in alphabetical order MENUS 16 ma m J LF Out Sweep List j pk731a Press this softkey to define the number of points in
85. alue FM Path 1 Softkey Location FM M gt FM Path 1 2 User s Guide ESG Family Signal Generators Hardkey and Softkey Reference FM Rate FM Source User s Guide FM Use this softkey to change the internal modulation frequency for the FM Path 1 and FM Path 2 configurations To change the value press the softkey once The current value for FM rate is displayed in the active entry area To enter a new value rotate the front panel knob until the desired value is displayed use the up and down arrow keys or enter the value using the numeric keypad and press the Hz or kHz terminator softkey The range of values allowed is 0 1 Hz to 10 kHz 0 1 Hz to 50 kHz is the range allowed if sinewave is selected as the internal waveform The minimum increment allowed is 0 1 Hz Notice that the new value of FM rate applies only to whichever FM path configuration you have currently selected Default Value 400 Hz Softkey Location FM M gt FM Rate Pressing this softkey reveals a menu of choices for frequency modulation sources You can choose internally generated frequency modulation or select an externally applied signal from either the EXT 1 INPUT or EXT 2 INPUT connectors The internal modulation is always AC coupled For the externally applied signals you can choose between AC and DC coupled modulation A 1 0 Vpk input is required for calibrated FM deviation settings The ExT 1 LO HI and EXT 2 LO HI display annunciators will turn on
86. amily Signal Generators Front and Rear Panel Rear Panel Overview 12 PATTERN TRIG IN Connector This input can accept either a TTL CMOS low to TTL CMOS high or TTL CMOS high to TTL CMOS low edge trigger The minimum trigger input pulse width high or low is 100 ns The damage levels are gt 8 and lt 4 V This female BNC connector is provided only on instruments with Option UN8 or UND If you configure your instrument with Option 1EM this input is changed from a BNC to an SMB connector With Option UN8 turned on the input to the PATTERN TRIG IN connector is used to trigger the internal digital modulation pattern generator to start a single pattern output or to stop and re synchronize a pattern that is being continuously output The trigger edge is latched and then sampled by the falling edge of the internal data bit clock to synchronize the trigger with the data bit clock timing The minimum delay from the trigger edge to the first bit of the frame is 1 5 to 2 5 bit clock periods For more information on pattern triggering refer to the Operation chapters in the user s and programming guides With Option UND turned on this connector is the source for the external trigger for all of the ARB waveform generator triggers With Option 201 this connector is used for system reset trigger input 13 BURST GATE IN Connector The BURST GATE IN connector accepts a TTL or CMOS signal for gating burst power in digital modulation applications
87. amplitude set by the LF Out Amplitude softkey in the initial LF Out Menu For example if the total LF Out amplitude is 300 mVp and you set LF Out Tone 2 Ampl Of Peak to 33 then the amplitude of LF Out tone 1 will be 200 mVp and the amplitude of LF Out tone 2 will be 100 mVp 33 of 300 mVp so that the amplitude of the two tones adds up to 300 mVp 200 mVp plus 100 mVp This softkey is only active when you have selected the internal source to operate as a function generator Default Value 50 0 Softkey Location LF Out gt LF Out Source gt Function Generator gt LF Out Waveform gt Dual Sine gt LF Out Tone 2 Ampl Of Peak LF Out Tone 2 Freq Press this softkey to set the frequency for the LF Out tone 2 Enter the desired frequency using the up and down arrow keys the front panel knob or enter a value using the numeric keypad and press the kHz or Hz terminator softkey The range of values allowed is 0 1 Hz through 50 kHz The minimum increment allowed is 0 1 Hz This softkey is coupled to the LF Out Freq softkey in the initial LF Out Menu and the LF Out Stop Freq softkey in the LF Out Swept Sine Menu Any value set for LF Out Tone 2 Freq is reflected in the LF Out Freq and LF Out Stop Freq softkeys Conversely if you change the value for either the LF Out Freq softkey or the LF Out Stop Freq softkey the value for LF Out Tone 2 Freq iS changed to match This softkey is only active when you have selected the internal s
88. and Softkey Reference ESG Family Signal Generators Q Calibration Type User Full Toggles between an 1 Q calibration executed over the full frequency range of the signal generator Full or an 1 Q calibration over a frequency range which you specify User using the Start Frequency and Stop Frequency softkeys Once you have chosen either Full or User and specified the frequency range press Execute Cal to start the Q calibration The I Q calibration type is a persistent state it is not affected by an instrument preset or by a power cycle Softkey Location Q gt 1 Q Calibration gt Calibration Type User Full Do Power Search Execute Cal Ext1 DC 4 44 Press this softkey to execute the power search routine one time Power search is an internal calibration routine used to achieve calibrated output power when the ALC is off You can execute a power search at any time by pressing this softkey If you are using external 1 Q modulation the power search routine assumes that the 1 Q input level is J Q 0 5 Vims Actual output amplitude will scale directly with 2 2 Al 0 The ALC Off On softkey must be set to off in order to execute the power search routine Softkey Location Q gt ALC Off On gt Do Power Search Press this softkey to begin the I Q calibration for the frequency range that you have specified The calibration can be aborted at any time during the procedure by pressing the Abort Cal softkey If you do abo
89. and display the catalog of shape files Softkey Location Utility gt Memory Catalog gt Catalog Type gt Shape Software Options NOTE CAUTION State User s Guide This softkey accesses a menu where you can configure your signal generator to enable any software option that you have purchased Software options are linked to specific optional hardware that must first be installed before the software option can be operational Adding new software options requires the use of a license key that is provided by Agilent Technologies at the time of purchase If a previously installed software option is disabled verify that the optional hardware is installed the hardware option is enabled and the software option is enabled with the correct license key Refer to your License K ey Certificate for the correct license key or if the option was installed by Agilent Technologies contact your local service office and tell them the instrument s model number the host ID number and the software option that should be enabled Don t modify the license key for enabled software options You will disable the option Refer to Chapter 2 Using Functions for an example of enabling software options Softkey Location Utility gt Instrument Adjustments gt Software Options Press this softkey to set the current catalog type to State and display the catalog of state files Softkey Location Utility gt Memory Catalog gt Catalog Typ
90. ator is a 400 Hz sinewave with 0 1 depth Theinternal source has multiple uses but can be used for only one modulation at a time If for example you were using the internal source in a frequency modulation configuration for FM Path 1 and then you configured AM Path 2 to also use the internal source the signal generator would turn off FM Path 1 and assign the internal source to your AM Path 2 configuration Softkey Location AM gt AM Source gt Internal This softkey lets you specify noise as the amplitude modulation waveform for the AM Path 1 and AM Path 2 configurations Notice that the selected waveform applies only to whichever AM path configuration you have currently selected Softkey Location AM gt AM Waveform gt Noise This softkey lets you specify ramp as the amplitude modulation waveform for the AM Path 1 and AM Path 2 configurations Notice that the selected waveform applies only to whichever AM path configuration you have currently selected Softkey Location AM gt AM Waveform gt Ramp This softkey lets you specify sine as the amplitude modulation waveform for the AM Path 1 and AM Path 2 configurations Notice that the selected waveform applies only to whichever AM path configuration you have currently selected Softkey Location AM gt AM Waveform gt Sine This softkey lets you specify square as the amplitude modulation waveform for the AM Path 1 and AM Path 2 configurations Notice that the selected waveform
91. before the RF signal is available at the RF OUTPUT connector Check the annunciator on the display If it reads RF oFF press RF On Off once to toggle the RF output on RF Output Power too Low If the RF output power seems too low look for an oF FSET Or REF indicator in the amplitude area of the display OFFSET tells you that an amplitude offset has been set An amplitude offset changes the value shown in the amplitude area of the display but does not affect the output power The amplitude displayed is equal to the current power output by the signal generator hardware plus the value for the offset To eliminate the offset press Amp gt Ampl Offset Enter 0 using the numeric keypad and press the dB terminator softkey REF tells you that the amplitude reference mode is turned on When this mode is on the displayed amplitude value is not the output power level rather it is the current power output by the signal generator hardware minus the reference value set by the Ampl Ref Set softkey To exit the reference mode press Ampl and toggle the Ampl Ref softkey to Off You can then reset the output power to the desired level Optional Features are Not Working If you enable an option that does not have the required hardware installed the menus for that option will be activated but the option cannot operate despite what the menus may seem to indicate Check to be sure that the required hardware is physically installed in the
92. brations and the persistent state Do not attempt to perform any other front panel or remote operations during the fail safe sequence To run the fail safe sequence hold down the Preset key while cycling power Continue to hold down the Preset key until the ESG fail safe recovery sequence message is displayed CAUTION Carefully read the entire message It may list additional risks with the procedure beyond what is documented here Release the Preset key and press Yes to continue with the sequence or No to abort with no lost files At the conclusion of the sequence perform the following steps 1 Cycle power once again Cycling power restores all previously installed options You should expect to see several error messages resulting from calibration files being restored from EEPROM 2 Perform the DCFM DC M calibration Refer to the DCFM DCoM Cal softkey description in Chapter 4 Hardkey and Softkey Reference in this manual 3 For ESG D and ESG DP series signal generators only perform the I Q calibration Refer to the I Q Calibration softkey description in Chapter 4 Hardkey and Softkey Reference of this manual 4 Agilent Technologies is interested in the circumstances that caused you to have to initiate this procedure Please contact us at 1 800 452 4844 We d like to help you eliminate any repeat occurrences User s Guide 2 19 Using Functions ESG Family Signal Generators Returning a Signal Generator to A
93. can also change the amplitude using the up and down arrow keys and the front panel knob Practice changing the amplitude using these methods also User s Guide 9 3 Using Functions ESG Family Signal Generators Setting Frequency and Power Levels To Set an Amplitude Reference and an Amplitude Offset The following procedure sets the RF output power as an amplitude reference to which all other amplitude parameters are relative The amplitude initially shown on the display will be 0 dB the power output by the hardware minus the reference power Although the display changes the output power does not change Any subsequent power changes are shown as incremental or decremental to 0 dB 1 Press Preset to return the signal generator to the factory defined instrument state 2 Set the RF output power to 20 dBm 3 Turn on amplitude reference mode and set the current output power 20 dBm as the reference value Press Ampl gt More 1 of 2 gt Ampl Ref Set The amplitude displayed is 0 dB the power output by the hardware 20 dBm minus the reference value 20 dBm Notice that the REF indicator is turned on and the Ampl Ref softkey has toggled to On 4 Set the RF On Off key to On Notice that the display annunciator has changed from RF OFF toRF on The power at the RF OUTPUT connector is 20 dBm 5 Usethe up arrow key to increase the output power by 10 dB The amplitude display changes to show 10 dB the power output by the hardwar
94. ching during power adjustments When the attenuator is held only a frequency change will change the attenuator setting There will be no attenuator switching during power adjustments With attenuator hold on the maximum power adjustment range will vary However you will have at least 4 dB and at least 13 dB range Default Value Off Softkey Location Ampl gt Atten Hold Off On Do Power Search Press this softkey to execute the power search routine one time Power search is an internal calibration routine used to achieve calibrated output power when the ALC is off You can execute a power search at any time by pressing this softkey If you are using external 1 Q modulation the power search routine assumes that the I Q input level is 0 0 5 Vims Actual output amplitude will scale directly with 2 g The ALC Off On softkey must be set to off in order to execute the power search routine Softkey Location Ampl gt ALC Off On gt Do Power Search Manual Trigger Main Delta Option UNA Only User s Guide Press this softkey to toggle the RF output power between main and alternate delta When Main is highlighted the main power is present at the RF output and when Delta is highlighted the alternate power is present at the RF output Default Value Main Softkey Location Ampl gt Alternate Amplitude gt Manual Trigger Main Delta 4 17 Hardkey and Softkey Reference ESG Family Signal Generators Ampl Power S
95. ctions in the Sweep List Menu If you set the Trigger In Polarity Neg Pos softkey in the FM Swept Sine Menu to Neg the Trigger In Polarity Neg Pos softkey is also set to Neg for swept sine AM M and LF Out And in addition if the step or list sweep trigger is set to Ext Pos the trigger selection will automatically be changed to Ext Pos The same softkeys will toggle to Pos or to Ext Pos if you select Pos in the Swept Sine FM Menu Conversely if the Trigger In Slope Neg Pos softkey is toggled in the swept sine AM M or LF Out menus it will cause the swept sine F M softkey to toggle also This is also true for the Ext Neg and Ext Pos step or list sweep trigger selections Default Value Pos Softkey Location FM M gt FM Waveform gt Swept Sine gt Trigger In Polarity Neg Pos This softkey is one of the choices in the FM Sweep Trigger menu With Trigger Key selected when you press the Trigger front panel key you immediately trigger a single sweep of swept sine frequency modulation The Trigger key has autorepeat capability Hold it down and you will repeatedly trigger sweeps until you release the key Softkey Location FM iM gt FM Waveform gt Swept Sine gt FM Sweep Trigger gt Trigger Key User s Guide ESG Family Signal Generators Hardkey and Softkey Reference FM Trigger Out Polarity Neg Pos This softkey toggles the polarity of the TTL signal that is output at the rear panel TRIGGER OUT connector When Trigger Out
96. d Numeric Keypad JJI UO JOO pk755a The numeric keypad consists of the digit keys 0 through 9 a decimal point key and a backspace key The backspace key has dual functions for both backspacing and for changing the sign of a value to positive or negative Use these keys at any time when the active function requires a value input The backspace key function changes with the situation If you are modifying a previously entered value e Ifthe valueis negative pressing the backspace key deletes the entire value and leaves the negative sign Subsequent key presses change the sign between positive and negative states e fthevalueis positive pressing the backspace key deletes the entire value and also changes the sign to a negative state Subsequent key presses change the sign between positive and negative states If you are entering a new value e Ifthe cursor is tothe right of the digits pressing the backspace key deletes the digit immediately to the left When no digits remain subsequent key presses change the sign between positive and negative states e Ifthe cursor is on a digit pressing the backspace key deletes the digit immediately to the left When a single digit remains pressing the backspace key changes the negative sign if present to positive and then subsequent key presses have no effect These keys have autorepeat capability except for the decimal point key Hold a key down and its
97. d input is the same as the external 2 DC coupled input Softkey Location AM gt AM Source gt Ext 2 AC Coupled Ext 2 DC Coupled This softkey lets you input an external DC coupled amplitude modulation signal to the EXT 2 INPUT connector The external 2 input has multiple uses but can be used for only one modulation at a time If for example you were using the external 2 input in a frequency modulation configuration for FM Path 1 and then you configured AM Path 2 to also use the external 2 input the signal generator would turn off FM Path 1 and assign the external 2 input to your AM Path 2 configuration For the purpose of this discussion the external 2 AC coupled input is the same as the external 2 DC coupled input Softkey Location AM gt AM Source gt Ext 2 DC Coupled Immediate This softkey is one of the choices in the AM Sweep Trigger menu Choosing Immediate immediately triggers swept sine amplitude modulation in a continuous mode To stop the sweep choose a different trigger such as Ext or set the waveform to something other than Swept Sine Softkey Location AM gt AM Waveform gt Swept Sine gt AM Sweep Trigger gt Immediate User s Guide 4 9 Hardkey and Softkey Reference ESG Family Signal Generators AM Internal Noise Ramp Sine Square 4 10 This softkey lets you connect an internally generated calibrated signal to the AM modulator The default state of the internal waveform gener
98. d you can toggle the editing mode from inserting text to replacing text Softkey Location Utility gt Memory Catalog gt Copy File gt Editing Keys Editing Mode Insert Replace Press this softkey to toggle the editing mode from inserting text to replacing text Insertion mode causes text to be entered in the position directly to the right of the cursor Replacement mode causes the text to be entered in the position held by the cursor replacing any existing text in that position Softkey Location Utility gt Memory Catalog gt Copy File gt Editing Keys gt Editing Mode Insert Replace EFC Lock Off On ESG AP and ESG DP Models This softkey enables an Electronic Frequency Control mode that is for use with phase noise systems It is provided for use by service personnel only Softkey Location Utility gt Instrument Adjustments gt Reference Oscillator Adjustment gt EFC Lock Off On 4 118 User s Guide ESG Family Signal Generators Hardkey and Softkey Reference Error Info Utility Pressing this softkey reveals a menu of choices for viewing error messages In this menu you can view any of the error messages in the queue and you can clear all of the error messages in the queue Softkey Location Utility gt Error Info Event 1 Polarity Neg Pos Option UN8 This softkey in the Signal Polarity Setup menu is used to configure the polarity of the TTL signal out at the EVENT 1 connector Pos refers to normal logic
99. de is displayed in the active entry area 2 Enter 0 dBm using the numeric keypad and pressing the dBm terminator softkey The new power level is shown in the amplitude area of the display You should see 0 00 dBm Setting the FM Deviation 1 Press the front panel FMM key The first level menu of FM softkeys is displayed 2 Press the FM Dev softkey FM deviation becomes the active function and the normal preset value for FM deviation is displayed in the active entry area 3 Enter 75 kHz using the numeric keypad and pressing the kHz terminator softkey The new FM deviation is displayed below the FM Dev softkey You should see 75 0000 kHz in the second line of the softkey User s Guide 2 7 Using Functions ESG Family Signal Generators Setting Up Internally Generated Frequency Modulation Setting the FM Rate 1 In the same FM menu press the FM Rate softkey FM rate becomes the active function and the normal preset value for FM rate is displayed in the active entry area 2 Enter 10 kHz using the numeric keypad and pressing the kHz terminator softkey The new FM rate is displayed below the FM Rate softkey You should see 10 0000 kHz in the second line of the softkey Turning On Frequency Modulation The signal generator is now configured to output a 0 dBm frequency modulated carrier at 104 9 MHz with the FM deviation set to 75 kHz and the FM rate set to 10 kHz The shape of the waveform is a sinewave Notice that sine is the defau
100. display annunciator will turn on Default Value On Softkey Location Q gt ALC Off On Burst E nvelope Off On Toggles on and off the burst envelope modulator The burst envelope modulator is used to burst the RF carrier When the Burst Source softkey is set to Ext1 DC the shape of the burst output is the same as the shape of the EXT 1 analog input The Burst Envelope Off On softkey is toggled automatically to On when any enabled digital modulation format also has burst turned on Option U N8 Whenever the burst envelope modulator is on the ENvLP annunciator is turned on in the display Default Value Off Softkey Location Q gt Burst Envelope Off On Burst Source Changes the source for burst modulation If you do not have Option UN8 your only choice is a DC coupled analog input using the EXT LINPUT connector Using this selection the bursted output signal will have the same shape as the analog input If you have Option UN8 this softkey will automatically toggle to Int Burst if you have turned on burst for an enabled digital modulation format In this mode the internal baseband generator bursts the RF carrier You can override this automatic selection by selecting Ext1 DC as the Burst Source As long as burst is turned on in an enabled digital modulation format you can toggle between the internal and external burst sources Default Value Ext1 DC Softkey Location Q gt Burst Source User s Guide 4 43 Hardkey
101. e 20 dBm 10 dBm minus the reference power 20 dBm and the output power changes to 10 dBm 6 Enter a 10 dB offset Press the Ampl Offset softkey and enter 10 dB using the numeric keypad The amplitude display shows 20 dB the power output by the hardware 10 dBm minus the reference power 20 dBm plus the offset 10 dB Notice that the oFFs indicator is turned on The power at the RF OUTPUT connector is still 10 dBm 2 4 User s Guide ESG Family Signal Generators Using Functions Setting Up Internally Generated Amplitude Modulation Setting Up Internally Generated Amplitude Modulation Using this procedure you will learn how to generate an amplitude modulated signal with the following characteristics e carrier frequency set to 1340 kHz e power level set to 0 dBm e AM depth set to 90 e AM rate set to 10 kHz Setting the Carrier Frequency 1 Preset the signal generator to the factory defined instrument state 2 Press the front panel Frequency key Frequency becomes the active function and the normal preset value for frequency is displayed in the active entry area 3 Enter 1340 kHz using the numeric keypad and pressing the kHz terminator softkey The new carrier frequency is shown in the frequency area of the display You should see 1 340 000 00 MHz Setting the Power Level 1 Press the front panel Amplitude key Amplitude becomes the active function and the normal preset value for amplitude is displayed in the
102. e gt State 4 137 Hardkey and Softkey Reference ESG Family Signal Generators Utility Step Knob Ratio This softkey sets the ratio between the increment value of the step keys and the front panel knob For example if you set the increment value for frequency to 1 MHz and set the step knob ratio to 10 1 when frequency is the active function the up and down arrow keys will change the frequency in 1 MHz steps and the front panel knob will change the frequency in 1 10th of 1 MHz steps This ratio only applies when you havea function active that has an associated increment value When you press Step Knob Ratio the number displayed in the active entry area represents the arrow keys step sizein the ratio To enter a new value rotate the front panel knob until the desired value is displayed use the up and down arrow keys or enter the value using the numeric keypad and press the Enter terminator softkey The step knob ratio is a persistent state it is not affected by an instrument preset or by a power cycle Softkey Location Utility gt Instrument Adjustments gt Step Knob Ratio Store Ref Osc Setting This softkey is provided for adjusting the internal reference oscillator This adjustment is for use by service personnel only Refer to the calibration guide for more information Softkey Location Utility gt Instrument Adjustments gt Reference Oscillator Adjustment gt Store Ref Osc Setting Symbol Sync Out Polarity Neg Pos O
103. e Ref Set 4 37 PN9 Mode Preset Normal Quick 4 127 Point Trigger 4 104 Power On Last Preset 4 128 Power On Preset 4 128 Power Search 4 18 Power Search Manual Auto 4 18 4 48 Power Search Reference Fixed Modulated 4 18 Preset Language 4 129 Preset List 4 105 Preset Normal User 4 129 Proceed With Reconfiguration 4 129 Pulse 4 60 Pulse Off On 4 83 Pulse Rate 4 84 Pulse Source 4 84 Pulse Width 4 85 Q Offset 4 49 Quadrature Skew 4 49 Ramp 4 10 4 31 4 60 RCDMA 4 130 Recall Ref Osc Setting 4 130 Recall Reg 4 87 Receive Pace None Xon 4 130 Ref Osc Coarse 4 118 4 130 Ref Osc Fine 4 131 Ref Oscillator Source Auto Off On 4 37 Reference Oscillator Adjustment 4 130 Remote Language 4 131 Rename File 4 131 Reset RS 232 4 132 Restore Default Signal Polarities 4 132 Reverse Power Protection Normal HP8648 4 132 Revert to Default Cal Settings 4 49 RS 232 Baud Rate 4 133 RS 232 Echo Off On 4 133 RS 232 Pace 4 133 RS 232 Timeout 4 133 RTS On 4 134 RTS CTS 4 134 RTS CTS Pacing 4 134 RWCDMA 4 134 Save User Preset 4 135 SCPI 4 135 Screen Saver Delay 4 135 Screen Saver Mode 4 136 Screen Saver Off On 4 136 Select Item 4 136 Select Reg 4 94 Select Seq 4 88 4 95 Seq 4 137 Shape 4 137 1 12 Sine 4 10 4 31 4 60 4 77 Single Sweep 4 105 Software Options 4 137 Square 4 10 4 31 4 60 4 78 Start Frequency 4 50 State 4 137 Step Dwell 4 105 St
104. e automatic leveling control circuit is disabled When the ALC is disabled the UNLEVEL annunciator has no meaning so these annunciators will never conflict This annunciator appears when any of the signal generator s phase locked loops are unable to maintain phase lock You can determine which loop is unlocked by interrogating the error messages 3 11 Front and Rear Panel Rear Panel Overview Rear Panel Overview m 24 BER NO DATA Connector 25 BER SYNC LOSS Connector 21 BER MEAS END Connector 22 BER TEST OUT Connector 23 BER ERR OUT Connector 29 14 12 26 27 16 28 18 fs 19 20 ESG Family Signal Generators 321 4 MHz IN Connector COHERENT CARRIER OUT Connector PATTERN TRIG IN Connector BER DATA IN Connector BER CLK IN Connector EVENT 1 Connector BER GATE IN Connector BASEBAND GEN REF IN Connector DATA OUT Connector OUT Connector Q OUT Connector m 3 SYMBOL SYNC OUT Connector 1 AC Power AUXILIARY INTERFACE Connector DATA CLK OUT Connector SWEEP OUT Connector EVENT 2 Connector TRIGGER OUT Connector TRIGGER IN Connector ALT PWR IN Connec 10 MHz IN Connector 10 MHz OUT Connector BURST GATE IN Connector User s Guide ESG Family Signal Generators Front and Rear Panel Rear Panel Overview 1 AC
105. e displayed is equal to the current hardware output power minus the reference value set by the Ampl Ref Set softkey The Ampl Ref Set softkey sets the reference value equal to the current output power If you have not yet set the reference value the normal preset value for amplitude reference is 0 dBm The REF indicator is turned on in the amplitude area of the display All amplitude parameters will now be set as relative to the reference value Amplitude offsets can be used with amplitude reference mode In this situation the display will show the amplitude calculated as the current hardware output power minus the reference value plus the amplitude offset User s Guide ESG Family Signal Generators Hardkey and Softkey Reference Ampl Amplitude reference mode only changes the display it does not change the RF output power For example if you set your RF output power to 20 dBm set your reference value and then turn amplitude reference mode on your display shows your amplitude as 0 dB but your output power remains at 20 dBm Default Value Off Softkey Location Amp gt Ampl Ref Off On Atten Hold Off On This softkey toggles the attenuator hold function on and off Turn attenuator hold on to freeze the attenuator at its current setting The ATTN HOLD display annunciator will turn on Use this function at any time you want to guarantee that there will be no power discontinuity normally associated with the attenuator swit
106. e name editor e The Editing Mode Insert Replace softkey in the Editing Keys menu toggles the editing mode from inserting text to replacing text Insertion mode causes text to be entered in the position directly to the right of the cursor Replacement mode causes the text to be entered in the position held by the cursor replacing any existing text in that position e The Clear Text softkey in the Editing Keys menu deletes all of the existing text in the active entry area e Usetheleft and right arrow keys to position the cursor Use the front panel knob or the direct editing softkeys to enter an alphabetic character numeral or special character When you have entered the new file name press the Enter terminator softkey If you have changed your mind press the Return hardkey Once you press Enter the new file is stored and displayed immediately in the catalog list Softkey Location Utility gt Memory Catalog gt Rename File User s Guide 4 131 Hardkey and Softkey Reference ESG Family Signal Generators Utility Reset RS 232 Press this softkey to perform a clean up on the RS 232 buffer which will discard any unprocessed SCPI input received over RS 232 and places the RS 232 connection in a mode which can detect the optional remote interface All other RS 232 communication parameters Such as baud rate are unaffected Softkey Location Utility gt GPIB RS 232 gt Reset RS 232 Restore Default Signal Polarities Opti
107. e of the signal generator The User value for Start Frequency is not changed however If you toggle back to User from the Full setting notice that the User value is unchanged Start Frequency is a persistent state it is not affected by an instrument preset or by a power cycle Softkey Location Q gt Q Calibration gt Start Frequency Stop Frequency Press this softkey in the 1 Q Calibration menu to set the stop frequency for executing an I Q calibration You can select a portion of the frequency range for an Q calibration by selecting Calibration Type User and setting new start and stop frequencies Limiting the frequency range of the calibration will decrease the time required for the calibration to be executed To enter a frequency rotate the front panel knob until the desired value is displayed use the up and down arrow keys or enter the value using the numeric keypad and press the Hz kHz MHz or GHz terminator softkey This softkey is automatically set to the maximum specified frequency of the signal generator if you have set the Calibration Type User Full softkey to Full entire frequency range of the signal generator The User value for Stop Frequency iS not changed however If you toggle back to User from the Full setting notice that the User value is unchanged Stop Frequency iS a persistent state it is not affected by an instrument preset or by a power cycle Softkey Location Q gt 1 Q Calibration gt Stop Freque
108. e the function indicated by the corresponding label on the display 24 Knob The knob increases or decreases a numeric value Any of the values that can beset through the numeric keypad or the step keys can also be set by the knob User s Guide 3 5 Front and Rear Panel ESG Family Signal Generators Front Panel Overview 25 Amplitude Key Press this hardkey to activate the power level amplitude function so that you can change the amplitude of the RF output 26 Frequency Key Press this hardkey to activate the frequency function so that you can change the frequency of the RF output 27 Save Key This hardkey lets you save up to 100 different instrument states in a combination of 100 memory registers and 10 register sequences The number of states you can save however is limited by the size of whatever else is stored in the file system 28 Menu Keys These hardkeys provide access to the signal generator s primary functionality Press these keys for access to softkey menus where you can configure modulations step and list sweeps and various frequency and power capabilities 29 Incr Set Key Press this hardkey to toggle between the current active function and the increment size for that function With increment size selected you can change the current increment value 30 Recall Key This hardkey lets you restore any instrument state that you previously saved in a memory register You can save up to 100 different inst
109. e using the up and down arrow keys the front panel knob or enter a value using the numeric keypad and press the kHz or Hz terminator softkey The range of values allowed is 0 1 Hz through 50 kHz The minimum increment allowed is 0 1 Hz This softkey is coupled to the AM Rate softkey in theinitial AM Menu and the AM Stop Rate softkey in the AM Swept Sine Menu Any value set for AM Tone 2 Rate is reflected in the AM Rate and AM Stop Rate softkeys Conversely if you change the value for either the AM Rate softkey or the AM Stop Rate softkey the value for AM Tone 2 Rate is changed to match Default Value 400 0 Hz Softkey Location AM gt AM Waveform gt Dual Sine gt AM Tone 2 Rate AM Waveform Bus User s Guide Pressing this softkey reveals a menu of AM waveform choices for your AM Path 1 and AM Path 2 configurations Select from sine triangle square ramp noise dual sine and swept sine waveforms Notice that your waveform selection applies only to whichever AM path configuration you have currently selected Default Value Sine Softkey Location AM gt AM Waveform This softkey is one of the choices in the AM Sweep Trigger menu With Bus selected you use the GPIB to trigger single sweeps of swept sine amplitude modulation Softkey Location AM gt AM Waveform gt Swept Sine gt AM Sweep Trigger gt Bus Hardkey and Softkey Reference ESG Family Signal Generators AM Dual Sine Ext Reveals a menu of choices
110. earch This softkey accesses a menu from which you can change power search parameters Softkey Location Ampl gt ALC Off On gt Power Search Power Search Manual Auto This softkey toggles between the auto and manual modes of power search mode Power search is an internal calibration routine used to achieve calibrated output power when the ALC is off When you set Power Search Manual Auto to Auto power search will execute automatically with each change to the RF frequency or power and also with each changeto the AM burst pulse or 1 Q modulation state If you are using external Q modulation the power search routine assumes that the Q input level is 6 0 5 Vrms Actual output amplitude will scale directly withy Q When you set Power Search Manual Auto to Manual the power search routine is not run until the Do Power Search softkey is pressed The ALC Off On softkey must be set to off in order to engage either power search mode Default Value Manual Softkey Location Amp gt ALC Off On gt Power Search Manual Auto Power Search Reference Fixed Modulated 4 18 This softkey toggles between fixed and modulated modes of power search Power search is an internal calibration routine used to achieve calibrated output power when the ALC is off When you set Power Search Reference Fixed Modulated to Fixed power search uses a 0 5 Volt reference When you set Power Search Reference Fixed Modulated to Modulated the c
111. econd annunciator UNLEVEL will appear in the same position if the signal generator s automatic level control is unable to maintain the output level When the ALC is disabled the unleveled annunciator has no meaning so these annunciators will never conflict AM This annunciator appears when amplitude modulation is turned on ARMED This annunciator appears when a sweep has been initiated and the signal generator is waiting for the sweep trigger event ATTEN HOLD This annunciator appears when the attenuator hold function is turned on When this function is on the attenuator is frozen at its current setting BERT This annunciator appears whenever the Option UN7 bit error rate test BERT or Option 300 base station BERT extension functions are turned on Digital Modulation Annunciators All digital modulation annunciators appear in the same position but there is no conflict because only one of these functions can be active at any given time ENVLP This annunciator appears if the burst envelope modulation is turned on This annunciator is present only on ESG D and ESG DP Series Signal Generators User s Guide 3 9 Front and Rear Panel Display Annotation ERR EXT1 LO HI EXT2 LO HI EXT REE FM MOD OFF OVEN COLD PULSE RF OFF ESG Family Signal Generators This annunciator appears when an error message is placed in the error queue This annunciator w
112. ection provided by the equipment could be impaired This product must be used in a normal condition only in which all means for protection are intact WARNING To prevent electrical shock disconnect the signal generator from mains before cleaning Use a dry cloth or one slightly dampened with water to clean the external case parts Do not attempt to clean internally 1 4 User s Guide ESG Family Signal Generators Preparing for Use Installing the Signal Generator Adjusting the Display Contrast You can adjust the contrast of the display by pressing the decrease contrast key or the increase contrast key These keys are located on the front panel below the display Pressing the decrease contrast key and holding it down causes the display background to gradually darken in comparison to the text on the display The minimum contrast setting is not a completely black display Some contrast between the background and the text will still be visible Pressing the increase contrast key and holding it down causes the display background to gradually brighten in comparison to the text on the display If the background does not appear to change it is probably set to the maximum contrast Selecting Inverse Video The normal display mode for the signal generator is dark text on a light background To change to inverse video light text on a dark background press Utility gt Display and set Inverse Video Off On to On Inverse video is a persistent
113. ed Ext 1 DC Coupled 4 8 Inputs an external DC coupled amplitude modulation signal to the EXT 1 INPUT connector The external 1 input has multiple uses but can be used for only one modulation at a time If for example you were using the external 1 input in a frequency modulation configuration for FM Path 1 and then you configured AM Path 2 to also use the external 1 input the signal generator would turn off FM Path 1 and assign the external 1 input to your AM Path 2 configuration For the purpose of this discussion the external 1 AC coupled input is the same as the external 1 DC coupled input Softkey Location AM gt AM Source gt Ext 1 DC Coupled User s Guide ESG Family Signal Generators Hardkey and Softkey Reference AM Ext 2 AC Coupled This softkey lets you input an external AC coupled amplitude modulation signal to the EXT 2 INPUT connector The modulation signal is tested for voltage and a display annunciator will report a high or low condition if the voltage is gt 3 of 1 Vpk The external 2 input has multiple uses but can be used for only one modulation at a time If for example you were using the external 2 input in a frequency modulation configuration for FM Path 1 and then you configured AM Path 2 to also use the external 2 input the signal generator would turn off FM Path 1 and assign the external 2 input to your AM Path 2 configuration For the purpose of this discussion the external 2 AC couple
114. ed for only one modulation at a time If for example you were using the internal source in an amplitude modulation configuration for AM Path 1 and then you configured FM Path 2 to also use the internal source the signal generator would turn off AM Path 1 and assign the internal source to your FM Path 2 configuration Softkey Location FM M gt FM Source gt Internal User s Guide ESG Family Signal Generators Hardkey and Softkey Reference Noise Ramp Square Swept Sine User s Guide FM This softkey lets you specify noise as the frequency modulation waveform for the FM Path 1 and FM Path 2 configurations Notice that the selected waveform applies only to whichever FM path configuration you have currently selected Softkey Location FM M gt FM Waveform gt Noise This softkey lets you specify ramp as the frequency modulation waveform for the FM Path 1 and FM Path 2 configurations Notice that the selected waveform applies only to whichever FM path configuration you have currently selected Softkey Location FM M gt FM Waveform gt Ramp This softkey lets you specify sine as the frequency modulation waveform for the FM Path 1 and FM Path 2 configurations Notice that the selected waveform applies only to whichever FM path configuration you have currently selected Softkey Location FM M gt FM Waveform gt Sine This softkey lets you specify square as the frequency modulation waveform for the FM Path 1
115. ed whenever an amplitude sweep is selected Default Value 135 dBm 4 19 Hardkey and Softkey Reference ESG Family Signal Generators Arrow Keys Arrow Keys pk750a Use the up and down arrow keys to increase and decrease the value of a numeric parameter by the increment value For example when frequency is the active function if the current frequency setting is 1 MHz and the increment value set is 1 kHz pressing the up and down arrow keys will increase and decrease the 1 MHz frequency in 1 kHz steps In addition you can use the up and down arrow keys to scroll through displayed lists to select items The left and right arrow keys choose the highlighted digit in the active entry area which is modified by the up and down arrow keys When a digit is highlighted it overrides the increment value used with the up and down arrow keys This override remains in effect until the Incr Set key is pressed an instrument preset occurs or power is cycled For example if frequency is the active parameter and you press the right arrow key until the 1 kHz position is highlighted the up and down arrow keys will increase and decrease the frequency in 1 kHz increments no matter where the Incr Set key has been set The arrow keys have autorepeat capability Hold a key down and its function is continuously executed until you release it 4 20 User s Guide ESG Family Signal Generators Hardkey and Softkey Reference Display Cont
116. eference is connected Default Value On Softkey Location Freq gt Ref Oscillator Source Auto Off On User s Guide 4 37 Hardkey and Softkey Reference ESG Family Signal Generators Frequency Frequency 4 38 Frequency Mode Utility Freq N FM Pulse Sweep Ampl N oM List fo LF Out WW Frequency pk747a Press this front panel hardkey to change the RF output frequency Frequency becomes the active function and the current value is also shown in the active entry area of the display To enter a new value for frequency rotate the front panel knob until the desired value is displayed use the up and down arrow keys or enter the value using the numeric keypad and press the GHz MHz kHz or Hz terminator softkey The output frequency range allowed depends on your instrument model Refer to the technical specifications document The current RF output frequency is always shown in the frequency area of the display unless you have altered the display by turning on frequency reference mode or entering an offset or a multiplier The frequency area of the display is blanked whenever a frequency sweep is selected Default Value Maximum specified output frequency User s Guide ESG Family Signal Generators Hardkey and Softkey Reference Help User s Guide Help Save et r Help Help pk754a Press this hardkey for a short description of the function of any front pane
117. egistered trademark of the CE European Community if accompanied by a year it is the year when the design was proven The CSA mark is the Canadian Standards Association G Re safety mark LR 57496C The C Tick Mark is a trademark registered to the N10149 Australian Communications Authority and indicates compliance with the Standard which limits electromagnetic radiation from computing hardware This symbol is used to mark the on position of the power line switch This symbol is used to mark the standby position of D the power line switch This symbol indicates that the input power required is AC ISM 1 A This is a symbol of an Industrial Scientific and Medical Group 1 Class A product CISPER 11 Clause 4 ICES NMB 001 This ISM device complies with Canadian CES 001 Cet appareil ISM est conforme la norme NMB 001 du Canada User s Guide 6 3 Safety and Regulatory ESG Family Signal Generators General Safety Considerations General Safety Considerations WARNING No operator serviceable parts inside Refer servicing to qualified personnel To prevent electrical shock do not remove covers CAUTION Always use the three prong AC power cord supplied with this product Failure to ensure adequate earth grounding by not using this cord may cause product damage 6 4 User s Guide ESG Family Signal Generators Safety and Regulatory Statement of Compliance Statement of Compliance This product has been desig
118. elete points in a sweep Each point can contain frequency amplitude and dwell time information The list point information is stored in three binary files FREQ FILE POW_FILE and DWEL_FILE These files will survive a preset but not a power cycle If they are deleted the signal generator will recreate these files as needed In this menu you can also edit existing points in the sweep Softkey Location Sweep List gt Configure List Sweep 4 97 Hardkey and Softkey Reference ESG Family Signal Generators Sweep List Configure Step Sweep Delete File Delete Item Delete Row 4 98 Pressing this softkey reveals a menu of softkeys for defining a step sweep In this menu you can set the start and stop frequencies for a sweep set the start and stop power levels and you can set the number of points in the sweep with the dwell time at each point Softkey Location Sweep List gt Configure Step Sweep Press this softkey to delete a file in the catalog listing Use the up and down arrow keys until the file you wish to delete is highlighted Press Delete File and then press the Confirm Delete softkey Be certain that you want to delete the file you cannot recover this sweep data once you press Confirm Delete f you do not want to delete the file press Return instead of Confirm Delete Softkey Location Sweep List gt Configure List Sweep gt Load Store gt Delete File Press this softkey to delete an item in the displayed list of
119. ement allowed is 0 1 Hz This softkey is coupled to the FM Rate softkey in the initial FM Menu and the FM Start Rate softkey in the FM Swept Sine Menu Any value set for FM Tone 1 Rate is reflected in the FM Rate and FM Start Rate softkeys Conversely if you change the value for either the FM Rate softkey or the FM Start Rate softkey the value for FM Tone 1 Rate is changed to match Default Value 400 0 Hz Softkey Location FM M gt FM Waveform gt Dual Sine gt FM Tone 1 Rate FM Tone 2 Ampl Percent Of Peak Press this softkey to set the amplitude of the alternate frequency rate as a percent of the peak LF analog modulation amplitude The primary frequency rate will make up the remaining amplitude This softkey is for use with dual sine modulation only For example if the Tone 2 amplitude is 0 then there would be no amplitude for Tone 2 all of the signal strength would be present in Tone 1 If FM Tone 2 Ampl Percent Of Peak iS Set to 50 then Tone 2 and Tone 1 would have equal amplitudes or half of the amplitude of both tones combined Default Value 50 0 Softkey Location FM M gt FM Waveform gt Dual Sine gt FM Tone 2 Ampl Percent Of Peak User s Guide 4 29 Hardkey and Softkey Reference ESG Family Signal Generators FM FM Tone 2 Rate Press this softkey to set the internal modulation frequency for the FM tone 2 Enter the desired rate using the up and down arrow keys the front panel knob or enter a value
120. en the Normal and Invert settings for external I Q phase polarity In the inverted mode the input applied to thel INPUT connector is physically routed to the Q input port of the internal Q modulator In addition the input applied to the Q INPUT connector is physically routed to the input port of the internal 1 Q modulator This inverts the direction of phase rotation of the 1 Q modulation If you have enabled a digital modulation format Option UN8 only 1 Q phase polarity will be automatically set to normal You can override this setting with this key Default Value Normal Softkey Location Q gt Ext I Q Phase Polarity Normal Invert High Crest Mode Off On User s Guide Press this softkey to toggle high crest mode off and on Turn high crest mode on with externally applied signals with high crest factors such as CDMA High crest mode allows the signal generator to process these signals with less distortion With high crest factor signals it is recommended that the and Q inputs seldom exceed 1 0 Vp p Some output power and power level accuracy is sacrificed in this mode This softkey is active only if the Q source is external and I Q is turned on Default Value Off Softkey Location Q gt 1 Q Off On gt High Crest Mode Off On 4 45 Hardkey and Softkey Reference ESG Family Signal Generators Q Offset Press this softkey to enter an origin offset voltage for internally generated or externally applied in phase sig
121. ent state is restored from this register and register 5 is now displayed in all softkeys which specify a register in this menu You can also use the front panel knob and the up and down arrow keys to scroll through all saved registers for the selected sequence recalling each instrument state Softkey Location Recall gt Recall Reg 4 87 Hardkey and Softkey Reference ESG Family Signal Generators Recall Select Seq NOTE 4 88 Press this softkey to choose a sequence for all softkeys which specify a sequence in this menu For example if you want to select sequence 4 press Select Seq The currently selected sequence is displayed in the active entry area Change the number to 4 using the up and down arrow keys the front panel knob or enter a 4 using the numeric keypad and press the Enter terminator softkey Sequence 4 is now displayed in all softkeys which specify a sequence in this menu There are 100 registers available 0 through 99 in each of 10 0 through 9 sequences You can use these registers in any combination so long as the total number of registers used does not exceed 50 The actual number of states that can be saved may be less if the user file system has non instrument state files stored such as sweep list sequences or binary files Softkey Location Recall gt Select Seq User s Guide ESG Family Signal Generators Hardkey and Softkey Reference Return User s Guide Return l Preset Local
122. ep K nob Ratio 4 138 Stop Frequency 4 50 Store Ref Osc Setting 4 138 Store To File 4 105 Sweep 4 106 Sweep Direction Down Up 4 106 Sweep Repeat Single Cont 4 106 Sweep Trigger 4 107 Sweep Type List Step 4 107 Swept Sine 4 11 4 31 4 61 4 78 Symbol Sync Out Polarity Neg Pos 4 138 Symbol Sync Polarity Neg Pos 4 138 Transmit Pace None Xon 4 139 Triangle 4 11 4 32 4 61 4 78 Trigger In Polarity Neg Pos 4 11 4 32 4 61 4 78 Trigger Key 4 12 4 32 4 62 4 79 4 107 Trigger Out Polarity Neg Pos 4 12 4 33 4 62 4 79 4 108 Unselect All Items 4 117 Unselect Item 4 117 UWCDMA 4 139 View Next Error Message 4 139 View Previous Error Message 4 140 WCDMA 4 140 White Pixels Screen test 4 140 software option enabling 2 15 Software Options softkey 4 137 Square softkey 4 10 4 31 4 60 4 78 standby LED 3 5 standby symbol 6 3 Start Frequency softkey 4 50 State softkey 4 137 statement of compliance 6 5 Step Dwell softkey 4 105 step sweep configuring 2 9 creating 2 9 step sweep continuous turning on 2 10 step sweep dwell time 4 105 step sweep points 4 96 step sweep creating 2 9 Step K nob Ratio softkey 4 138 Index Stop Frequency softkey 4 50 Store Ref Osc Setting softkey 4 138 Store To File softkey 4 105 sweep creating 2 9 list not recalled 2 17 list points editing 2 10 stepped configuring 2 9 triggering point by point 4 104 turning off 4 104 SWEEP annunciator 3
123. eps to output the amplitude modulated signal 1 In the same AM menu press the AM Off On softkey AM toggles from off to On Notice also that the am display annunciator is turned on indicating that you have enabled amplitude modulation 2 Press the front pane RF On Off key to toggle RF on Notice that the display annunciator changes from RF oFF torr on The modulated signal is now available at the RF OUTPUT connector 2 6 User s Guide ESG Family Signal Generators Using Functions Setting Up Internally Generated Frequency Modulation Setting Up Internally Generated Frequency Modulation Using this procedure you will configure the signal generator to output a frequency modulated signal with the following characteristics e carrier frequency set to 104 9 MHz e power level set to 0 dBm e FM deviation set to 75 kHz e FM rateset to 10 kHz Setting the Carrier Frequency 1 Preset the signal generator to the factory defined instrument state 2 Press the front pane Frequency key Frequency becomes the active function and the normal preset value for frequency is displayed in the active entry area 3 Enter 104 9 MHz using the numeric keypad and pressing the MHz terminator softkey The new carrier frequency is shown in the frequency area of the display You should see 104 900 000 00 MHz Setting the Power Level 1 Press the front panel Amplitude key Amplitude becomes the active function and the normal preset value for amplitu
124. equency modulation signal tothe EXT 2 INPUT connector The modulation signal is tested for voltage and a display annunciator will report a high or low condition if the voltage is gt 3 of 1 Vpk The external 2 input has multiple uses but can be used for only one modulation at a time If for example you were using the external 2 input in an amplitude modulation configuration for AM Path 1 and then you configured FM Path 2 to also use the external 2 input the signal generator would turn off AM Path 1 and assign the external 2 input to your FM Path 2 configuration For the purposes of this discussion the external 2 AC coupled input is the same as the external 2 DC coupled source Softkey Location FM M gt FM Source gt Ext 2 AC Coupled Ext 2 DC Coupled This softkey lets you input an external DC coupled frequency modulation signal tothe EXT 2 INPUT connector The external 2 input has multiple uses but can be used for only one modulation at a time If for example you were using the external 2 input in an amplitude modulation configuration for AM Path 1 and then you configured FM Path 2 to also use the external 2 input the signal generator would turn off AM Path 1 and assign the external 2 input to your FM Path 2 configuration For the purposes of this discussion the external 2 AC coupled input is the same as the external 2C coupled source Softkey Location FM M gt FM Source gt Ext 2 DC Coupled FM M This softkey togg
125. erted high 5 V at the start of the swept sine amplitude modulation sweep and low 0 V when the sweep is concluded Setting Trigger Out Polarity Neg Pos to Neg reverses the polarity where a high is OV and a low is V This softkey is coupled to the Trigger Out Polarity Neg Pos softkey in the swept sine FM M and LF Out menus and the sweep list menu When the polarity is toggled for this softkey in any one of these menus it affects all locations of the softkey Default Value Pos Softkey Location AM gt AM Waveform gt Swept Sine gt Trigger Out Polarity Neg Pos User s Guide ESG Family Signal Generators Hardkey and Softkey Reference Ampl Ampl Pressing the front panel Ampl key reveals a menu of softkeys These softkeys are described in this section in alphabetical order MENUS AO ial cad Fill FM M VQ Ampl pk732a ALC BW Normal Narrow Press this softkey to toggle between ALC normal and narrow bandwidth modes The bandwidth is automatically set to narrow when external Q modulation is turned on and automatically set to normal when I Q modulation is turned off Setting ALC BW Normal Narrow to Narrow limits the bandwidth to 100 Hz which can improve EVM Narrow bandwidth mode may however also slow the settling time for frequency changes to as much as 40 ms This softkey is inactive when internal 1 Q modulation is turned on Default Value Normal Softkey Loca
126. es Softkey Location Utility gt Memory Catalog gt Catalog Type gt ARB Catalog Types gt MCDMA Memory Catalog 4 124 Displays the catalog of user files and softkeys for choosing the type of files displayed See Chapter 5 Memory Structure for details Softkey Location Utility gt Memory Catalog User s Guide ESG Family Signal Generators Hardkey and Softkey Reference MDMOD MDWCDMA MFCDMA MFWCDMA Utility Press this softkey to set the current catalog type to MDMOD and display the catalog of MDMOD files Softkey Location Utility gt Memory Catalog gt Catalog Type gt ARB Catalog Types gt MDMOD Press this softkey to set the current catalog type to MDWCDMA and display the catalog of MD WCDMA files Softkey Location Utility gt Memory Catalog gt Catalog Type gt ARB Catalog Types gt MDWCDMA Press this softkey to set the current catalog type to MF CDMA and display the catalog of MF CDMA files Softkey Location Utility gt Memory Catalog gt Catalog Type gt ARB Catalog Types gt MFCDMA Press this softkey to set the current catalog type to MF WCDMA and display the catalog of MF WCDMA files Softkey Location Utility gt Memory Catalog gt Catalog Type gt ARB Catalog Types gt MFWCDMA Modify License Key CAUTION User s Guide Press this softkey to enter the license key for the highlighted software option Software options are linked to specific optional hardware t
127. es Softkey Location Utility gt Memory Catalog gt Catalog Type gt ARB Catalog Types Press this softkey to set the current catalog type to Binary and display the catalog of binary files Softkey Location Utility gt Memory Catalog gt Catalog Type gt Binary Press this softkey to set the current catalog type to Bit and display the catalog of bit files Softkey Location Utility gt Memory Catalog gt Catalog Type gt Bit 4 111 Hardkey and Softkey Reference ESG Family Signal Generators Utility Black Pixels Screen Test This softkey is provided for factory use in testing the display Pressing this softkey sets all the pixels on the display to black Pressing the Local front panel key returns the display to normal signal generator operation Softkey Location Utility gt Display gt Black Pixels Screen Test Brightness Usethis softkey to adjust the display brightness intensity The display is set to maximum brightness at the factory To change the brightness press Utility gt Display gt Brightness The current value shown in the active entry area is a relative value for brightness Increasing the number increases the brightness decreasing the number decreases the brightness You can adjust the brightness value to any number from 1 through 50 To adjust the brightness via remote operation set the value from 0 02 to 1 0 Use the front panel knob the up and down arrow keys or enter a value using the numeric k
128. ess RECALL Reg The register to be recalled in sequence 1 becomes the active function Press the up arrow key once to select register 1 Notice that your stored instrument settings have been immediately recalled 2 12 User s Guide ESG Family Signal Generators Using Functions Enabling Options Enabling Options The ESG Family Signal Generators area highly flexible platform of instruments that you can retrofit after purchase to add many new capabilities Some new optional features are implemented in hardware that you must install Some options are implemented in software but require the presence of optional hardware in the instrument This example shows you how to enable both hardware and software options Enabling a Hardware Option 1 When you purchase a new hardware option for your signal generator the hardware and instructions for installing the hardware will be included in a kit that you receive Follow the installation instructions to retrofit your signal generator with the new hardware 2 Next on the signal generator press Utility gt Instrument Adjustments gt Hardware Options to access the Hardware Options menu An example of the signal generator display follows 4 000 000 00000 se 135 00 n L u Ea Deselect Item Harduare Option Selection Requires harduare for option to operate Selected Option Description UNS Baseband 1 0 Generator with 1 Mbits RAM Deselect AlI UNO Internal Dual Arbitrary Waveform Genera
129. et the signal generator to sweep frequency data only The amplitude is set at a constant level determined by the Amplitude front panel key You can define a sweep containing both amplitude and frequency information and still choose to sweep frequency only Softkey Location Sweep List gt Sweep gt Freq 4 99 Hardkey and Softkey Reference ESG Family Signal Generators Sweep List Freq amp Ampl Freq Start Freq Stop Press this softkey to set the signal generator to sweep both frequency and amplitude data Both the frequency and the amplitude lists must have the same number of points or they must have only one point If a list has only one point then that point is used for each of the other list s points Softkey Location Sweep List gt Sweep gt Freq amp Ampl Press this softkey to set the frequency of the first point in the sweep You can set the value anywhere in the range of the signal generator s specified output frequency Press Freq Start and frequency becomes the active function for the first point in the sweep To enter the value rotate the front panel knob until the desired value is displayed use the up and down arrow keys or enter the value using the numeric keypad and press the GHz MHz kHz or Hz terminator softkey Default Value Maximum specified frequency Softkey Location Sweep List gt Configure Step Sweep gt Freq Start Press this softkey to set the frequency of the last point in the sweep You ca
130. ey 4 10 4 30 4 77 Internal Square softkey 4 83 internally generated amplitude modulation setting 2 5 internally generated frequency modulation setting up 2 7 inverse video 1 5 Inverse Video Off On softkey 4 124 1Q calibration stop frequency 4 50 ISM 1 A symbol 6 3 1 6 K key license 2 15 key descriptions 4 1 keypad numeric 3 4 kits 1 2 front handles 1 2 knob 3 5 L L annunciator 3 10 language 1 6 LED 4 80 green 4 80 LEDs line power 3 5 standby 3 5 left arrow key 4 20 LF Out Amplitude softkey 4 53 LF Out Freq softkey 4 53 LF Out hardkey 4 51 LF Out Off On softkey 4 54 LF Out Period softkey 4 54 LF Out Source softkey 4 55 LF Out Start Freq softkey 4 55 LF Out Stop Freq softkey 4 56 LF Out Sweep Time softkey 4 56 LF Out Sweep Trigger softkey 4 57 LF Out Tone 1 Freq softkey 4 57 LF Out Tone 2 Ampl Of Peak softkey 4 58 LF Out Tone 2 Freq softkey 4 58 LF Out Waveform softkey 4 59 LF Out Width softkey 4 59 LF output DC waveform 4 51 incorrect signal 2 18 LF OUTPUT connector 3 3 LF output source internal 4 53 LF output sweep trigger bus 4 51 external 4 52 immediate 4 52 trigger key 4 62 license key 2 15 light bulb 1 5 line power LED 3 5 line settings 1 3 List softkey 4 124 Index list sweep configuring using step sweep data 2 10 creating 2 9 turning on for a single sweep 2 11 list sweep points editing 2 10 list sweep creating 2 9 l
131. eypad and press the Enter terminator softkey Brightness is a persistent state it is not affected by an instrument preset or by a power cycle Softkey Location Utility gt Display gt Brightness Burst Gate In Polarity Neg Pos Option UN8 This softkey in the Signal Polarity Setup menu is used to configure the polarity of the TTL signal at the BURST GATE IN connector Pos refers to normal logic while Neg refers to inverted logic Default Value Pos Softkey Location Utility gt Instrument Adjustments gt Signal Polarity Setup gt Burst Gate In Polarity Neg Pos Calibrate Selected Items Press this softkey to perform a download of calibration data from the optional hardware into non volatile memory To confirm that you want to start the calibration press the Start Calibration and Store Results softkey The calibration takes several minutes During the calibration a message is displayed indicating the calibration is in progress and showing the percent complete When the calibration is finished the Hardware Options menu is returned 4 112 User s Guide ESG Family Signal Generators Hardkey and Softkey Reference Utility Perform this calibration if you have just installed optional hardware in your signal generator This calibration is not intended for repeated execution Any further calibrations that may be required should be performed through the 1 Q Calibration menu located in the 1a key menus Softkey Location Utilit
132. f 1 kHz If you do not want this high pass filtering set the ALC Off On softkey to off With ALC off the 1 Q modulation will be DC coupled Using power search power level accuracy is preserved if JP 0 0 5 Vims When ALC is off thearc orr display annunciator will turn on An alternative to setting the ALC off is to set the ALC bandwidth to narrow See the ALC BW Normal Narrow softkey in the this section Default Value On Softkey Location Ampl gt ALC Off On Alternate Amplitude Option UNA Only 4 14 Pressing this softkey reveals a menu used to configure the alternate amplitude function The menu includes softkeys for configuring the alternate amplitude state on or off delta triggering internal external or manual and subsequently manual triggering between the main and alternate amplitudes This softkey and its subfunctions are only available with the Alternate Timeslot Power Level Control option Softkey Location Ampl gt Alternate Amplitude User s Guide ESG Family Signal Generators Hardkey and Softkey Reference Ampl Alt Ampli Delta Option UNA Only Press this softkey to set the delta value for the alternate amplitude function The actual alternate amplitude is equal to the delta value plus the main RF output amplitude plus the amplitude offset value minus the amplitude reference value Default Value 0 00 dB Softkey Location Ampl gt Alternate Amplitude gt Alt Ampl Delta Alt Ampli Off On Opt
133. f Osc Coarse softkey 4 118 4 130 Ref Osc Fine softkey 4 131 Ref Oscillator Source Auto Off On softkey 4 37 Reference Oscillator Adjustment softkey 4 130 registers contents incorrect 2 17 empty 2 17 Remote Language softkey 4 131 remote operation annundiator 3 10 Rename File softkey 4 131 repair returning your instrument 2 20 Reset RS 232 softkey 4 132 Restore Default Signal Polarities softkey 4 132 Return 3 4 Return hardkey 3 4 4 89 returning your instrument 2 20 Reverse Power Protection Normal HP 8648 softkey 4 132 reverse power protection trips 4 117 Revert to Default Cal Settings softkey 4 49 RF frequency setting 2 2 RF OFF annunciator 3 10 RF On Off hardkey 3 4 4 90 RF output low 2 16 none 2 16 RF OUTPUT connector 3 4 RF output power level setting 2 3 right arrow key 4 20 RS 232 Baud Rate softkey 4 133 RS 232 connector 3 13 RS 232 E cho Off On softkey 4 133 RS 232 Pace softkey 4 133 RS 232 Timeout softkey 4 133 RTS On softkey 4 134 RTS CTS Pacing softkey 4 134 RTS CTS softkey 4 134 RWCDMA softkey 4 134 S S annunciator 3 10 Safety 6 1 safety notes 6 2 sales and service offices 2 21 Save hardkey 3 6 4 91 Save Seq n Reg nn 4 94 Save User Preset softkey 4 135 saving and recalling an instrument state 2 12 saving instrument states 2 12 SCPI softkey 4 135 screen saver 1 5 Screen Saver Delay softkey 4 135 Screen Saver Mode softkey 4 136 Screen Saver Off On
134. family is http www agilent com find esg 1 10 User s Guide ESG Family Signal Generators 2 Using Functions This chapter contains procedures that show you how to use some of the major functions of your signal generator including setting frequency and power levels setting up modulations creating step and list sweeps saving and recalling instrument states and enabling options Information is also provided on what you should do if you encounter a problem with your signal generator User s Guide 2 1 Using Functions ESG Family Signal Generators Setting Frequency and Power Levels Setting Frequency and Power Levels Using these procedures you will learn how to e set the RF frequency e set a frequency reference and a frequency offset e set theRF output power level e set an amplitude reference and an amplitude offset To Set the RF Frequency 1 Turn on power tothe signal generator press the power switch 1 so that the green LED is on Thesignal generator will perform an internal check 2 Press the green Preset key The signal generator will return to a set of factory defined conditions NOTE You can change the preset conditions to a user defined instrument state However for the purpose of these examples use the factory defined preset state the Preset Normal User softkey in the Utility menu must be set to Normal 3 Observe the frequency area of the display in the upper left hand corner It shou
135. for setting the dual sine amplitude modulation parameters In this menu you can set the AM rates for two separate tones In addition you can set the AM depth for AM Path 1 and AM Path 2 and also set a ratio of the tone 2 AM depth tothe tone 1 AM depth Softkey Location AM gt AM Waveform gt Dual Sine Being one of the choices in the AM Sweep Trigger menu choosing Ext allows you to trigger swept sine amplitude modulation using the signal applied tothe TRIGGER IN rear panel connector Set the polarity of the trigger signal using the Trigger In Polarity Neg Pos softkey Softkey Location AM gt AM Waveform gt Swept Sine gt AM Sweep Trigger gt Ext Ext 1 AC Coupled Inputs an external AC coupled amplitude modulation signal to the EXT 1 INPUT connector The modulation signal is tested for voltage and a display annunciator will report a high or low condition if the voltage is gt 3 of 1 Vpk The external 1 input has multiple uses but can be used for only one modulation at a time If for example you were using the external 1 input in a frequency modulation configuration for FM Path 1 and then you configured AM Path 2 to also use the external 1 input the signal generator would turn off FM Path 1 and assign the external 1 input to your AM Path 2 configuration For the purpose of this discussion the external 1 AC coupled input is the same as the external 1 DC coupled input Softkey Location AM gt AM Source gt Ext 1 AC Coupl
136. frequency parameters will now be set as relative to the reference value Frequency offsets can be used with frequency reference mode In this situation the display will show the frequency calculated as the current hardware output frequency minus the reference value plus the frequency offset Frequency reference mode only changes the display it does not change the RF output frequency For example if you set your RF output frequency to 700 MHz set your reference value and then turn frequency relative mode on your display shows your frequency as 0 Hz but your output frequency remains at 700 MHz Default Value Off Softkey Location Freq gt Freq Ref Off On Freq Ref Set This softkey sets the current output frequency as a frequency reference value It also causes the Freq Ref Off On softkey to toggle to the On position turning on frequency reference mode All frequency parameters are then set as relative to the reference value Default Value Off Softkey Location Freq gt Freq Ref Set Mode 1 Optimize lt lOkHz Offset Press this softkey to set the signal generator to mode 1 which optimizes phase noise at offsets below 10 kHz Softkey Location Freq gt Optimize amp Noise gt Mode 1 Optimize gt 10k Offset Mode 2 Optimize gt 10kHz Offset Press this softkey to set the signal generator to mode 2 which optimizes phase noise at offsets above 10 kHz Softkey Location Freq gt Optimize amp Noise gt Mode 2 Optimize
137. front panel knob to adjust the frequency back to 700 MHz 9 2 User s Guide ESG Family Signal Generators Using Functions Setting Frequency and Power Levels To Set a Frequency Reference and a Frequency Offset The following procedure sets the RF output frequency as a reference frequency to which all other frequency parameters are relative The frequency initially shown on the display will be 0 Hz the frequency output by the hardware minus the reference frequency Although the display changes the frequency output does not change Any subsequent frequency changes are shown as incremental or decremental to 0 Hz 1 Press Preset to return the signal generator to the factory defined instrument state 2 Set the RF frequency to 700 MHz 3 Turn on frequency reference mode and set the current output frequency 700 MHz as the reference value Press Freq gt Freq Ref Set The frequency displayed is 0 Hz the frequency output by the hardware 700 MHz minus the reference value 700 MHz Notice that the REF indicator is turned on and the Freq Ref softkey has toggled to On 4 Set the RF On Off key to On Notice that the display annunciator has changed from RF OFF torF on TheRF frequency at the RF OUTPUT connector is 700 MHz 5 Increment the output frequency by 1 MHz Press the up arrow key The frequency display changes to show 1 MHz the frequency output by the hardware 700 MHz 1 MHz minus the reference frequency 700 MHz and the outpu
138. ftkey Sequence 4 is now displayed in all softkeys which specify a sequence in this menu Now press Delete All Regs in Seq 4 and the data in all of the registers stored in sequence 4 will be deleted Be certain that you want to delete the data you cannot recover it once deleted This softkey has exactly the same function as the softkey with the identical name in the front panel Recall key menu Softkey Location Save gt Delete All Regs in Seq n Delete All Sequences NOTE 4 92 Press this softkey to delete all of the data in all saved registers of all sequences Be certain that you want to delete the data you cannot recover it once deleted This softkey has exactly the same function as the softkey with the identical name in the front panel Recall key menu Softkey Location Save gt Delete All Sequences User s Guide ESG Family Signal Generators Hardkey and Softkey Reference Save Delete Seq n Reg nn NOTE Editing Keys Press this softkey to delete the contents of a specified register ina specified sequence Do not press this softkey until you have selected the correct sequence and register using the Select Seq and Select Reg softkeys For example if you want to delete register 5 in sequence 4 press Select Seq The currently selected sequence is displayed in the active entry area Change the number to 4 using the up and down arrow keys the front panel knob or enter a 4 using the numeric keypad and press the
139. g of list files Softkey Location Sweep List gt Configure List Sweep gt Goto Row gt Goto Middle Row Or Sweep List gt Configure List Sweep gt Load Store gt Goto Row gt Goto Middle Row Pressing this softkey reveals a menu of softkeys that help you move the selection bar through the rows of list sweep points when you arein the Configure List Sweep menu If you are in the Load Store menu the softkeys help you move the selection bar through the catalog of list files You can also go to a specific row by rotating the front panel knob using the up and down arrow keys or entering the row number with the numeric keypad Once the desired row number is displayed press the Enter terminator softkey Softkey Location Sweep List gt Configure List Sweep gt Goto Row Or Sweep List gt Configure List Sweep gt Load Store gt Goto Row Goto Top Row User s Guide Press this softkey to move the selection bar to the top row of list sweep points when you are in the Goto Row menu that is accessed from the Configure List Sweep menu If you are in the Goto Row menu that is accessed from the Load Store menu the selection bar moves to the top row of the catalog of list files Softkey Location Sweep List gt Configure List Sweep gt Goto Row gt Goto Top Row Or Sweep List gt Configure List Sweep gt Load Store gt Goto Row gt Goto Top Row 4 101 Hardkey and Softkey Reference ESG Family Signal Generators Sweep List
140. ge differs from 1 0 V by more than 3 The input impedance is 509 The damage levels are 5 Vrms and 10 V px If you configure your signal generator with Option 1EM this input is relocated to a rear panel female BNC connector 3 Help Key Press this hardkey for a short textual description of the function of the front panel hardkeys and softkeys Press this key again and you will be returned to normal instrument oper ation 4 Trigger Key Press this hardkey to begin an event such as a step or list sweep This key must first be selected as the method for activating an event by pressing the Trigger Key softkey located in the softkey menus associated with the event 5 LF OUTPUT Connector This female BNC connector is the output connector for modulation signals generated by the LF low frequency source function generator You can also output signals where the frequency and shape are set by the internal source as it is being used by a modulation For pulse modulation however the internal source is a sinewave that is later squared by the modulator to generate the pulse squarewave This output is capable of driving 3 5 Vpk into a 50Q load If you configure your signal generator with Option 1EM this input is relocated to a rear panel female BNC connector 6 Mod On Off Key This hardkey toggles all modulation signals on and off Although you can set up and enable various modulation states the RF carrier is not modulated until Mod On Off i
141. gger key has autorepeat capability Hold it down and it will repeatedly trigger the sweep This has the effect of stopping the current sweep before it finishes when the key repeat is detected With any of the digital modulation formats configured and turned on the Trigger key can initiate a burst to output a frame or a data sequence under the following conditions e Thedigital modulation format is configured and turned on e The Pattern Trigger Or Frame Trigger softkey in the digital modulation menu is Set to Trigger Key With a bit error rate test configured and turned on the Trigger key can initiate a bit error rate test under the following conditions e The bit error rate test is configured and turned on e The BERT Trigger softkey in the bit error rate test menu is set to Trigger Key User s Guide ESG Family Signal Generators Hardkey and Softkey Reference Utility ARB Utility Pressing the front pane Utility key reveals a menu of softkeys These softkeys are described in this section in alphabetical order MENUS Mode AM FM Pulse oM VQ Press this softkey to set the current catalog type toARB and display the catalog of ARB files pk727a Softkey Location Utility gt Memory Catalog gt Catalog Type gt ARB Catalog Types gt ARB ARB Catalog Types Binary Bit User s Guide Press this softkey to reveal a menu of ARB catalog type choices for displaying fil
142. gilent Technologies Returning a Signal Generator to Agilent Technologies If you are returning your signal generator to Agilent Technologies for servicing please ship the instrument in the original factory packaging materials If they are not available use similar packaging to properly protect the instrument Include as much information as possible about the problem record any error messages that appeared on the display and include performance test results or any other specific data on the performance of the signal generator Return the instrument to the nearest Agilent Technologies sales or service office A list of sales and service offices follows on the next page 2 20 User s Guide ESG Family Signal Generators Using Functions Agilent Technologies Sales and Service Offices Agilent Technologies Sales and Service Offices Table 2 1 Contacting Agilent Online assistance www agilent com find assist United States tel 1 800 452 4844 Latin America tel 305 269 7500 fax 305 269 7599 Canada tel 1 877 894 4414 fax 905 282 6495 Europe tel 31 20 547 2323 fax 31 20 547 2390 New Zealand tel 0 800 738 378 fax 64 4 495 8950 J apan tel 81 426 56 7832 fax 81 426 56 7840 Australia tel 1 800 629 485 fax 61 3 9210 5947 Singapore tel 1 800 375 8100 fax0 65 836 0252 Malaysia tel 1 800 828 848 fax 1 800 801 664 Philippines tel 632 8
143. gle to M Path 2 Define the modulation characteristics for this second configuration and enable M by setting M Off On to On The RF carrier is available at the RF OUTPUT connector when you set RF On Off to On Set Mod On Off to On to modulate the RF carrier with the modulations that you have enabled M Path 1 and M Path 2 are Summed internally for composite modulation Either path can be switched to any one of the modulation sources Int Ext1 or Ext2 All modulation types can be simultaneously enabled except FM with M AM with external burst source and wideband AM with 1 Q AM FM and M can sum simultaneous inputs from any two sources Int Ext1 and Ext2 Any given source Int Ext1 or Ext2 can only be routed to one activated modulation type Default Value M Path 1 Softkey Location FM M hardkey gt FM M softkey M gt M Path 1 2 Use this softkey to change the internal modulation frequency for the M Path 1 and M Path 2 configurations To change the value press the softkey once The current value for M rate is displayed in the active entry area To enter a new value rotate the front panel knob until the desired valueis displayed use the up and down arrow keys or enter the value using the numeric keypad and press the Hz or kHz terminator softkey The range of values allowed is 0 1 Hz to 10 kHz 0 1 Hz to 50 kHz is the range allowed if sinewave is selected as the internal waveform The minimum increment allowed is 0
144. hat must first be installed before the software option can be operational Adding new software options requires the use of a license key that is provided by Agilent Technologies at the time of purchase Once the license key is entered the software option will be enabled when you press the Proceed with Reconfiguration softkey Refer to Chapter 2 Using Functions for an example of using this function If you enable an option that does not have the required hardware installed the menus for that option will be activated but the option cannot operate despite what the menus may seem to indicate Softkey Location Utility gt Instrument Adjustments gt Software Options gt Modify License Key 4 125 Hardkey and Softkey Reference ESG Family Signal Generators Utility Mod Status Info Off On Press this softkey to toggle on and off the modulation status display When the modulation status is set to on information about the status of all of the modulations available is shown at any time that you have accessed one of the modulation menus When the modulation status is set to off the information about the status of all the modulations is never displayed Default Value On Softkey Location Utility gt Instrument Info Help Mode gt Mod Status Info Off On Modulation Catalog Types MTONE NVARB Off 4 126 Press this softkey to reveal a menu of Modulation catalog type choices for displaying files Softkey Location Utilit
145. have Option UN8 the Remote Language menu allows you to select between Agilent 8656 57 compatible language Agilent 8657D language NADC digital modulation capability Agilent 8657D language PDC digital modulation capability and Agilent 8657 PHS digital modulation capability Press the softkey for the selection that you desire You can also change the language selection by sending the appropriate command over GPIB Refer to the programming guide for instructions for changing the language over GPIB You can set the signal generator to default to a selected language as a persistent state remains unchanged after an instrument preset or power cycle Press Utility gt Power On Preset gt Preset Language The Preset Language menu allow you to select between SCPI the Agilent 8656 57 compatible programming languages and Agilent 8648 compatible language Press the softkey for the selection that you desire 1 6 User s Guide ESG Family Signal Generators Preparing for Use Verifying Signal Generator Operation Verifying Signal Generator Operation The operator s check is appropriate as a daily functional check by users or whenever the integrity of the signal generator is in question Use the operator s check to verify proper operation of the signal generator The operator s check does not ensure performance to specifications To verify specifications refer to the calibration guide Operator s Check Perform the following tas
146. he Configure Step Sweep softkey Another menu is displayed with softkeys that you will use to create the sweep points 4 Change the start frequency of the step sweep Press the Freq Start softkey Enter 525 MHz using the numeric keypad and pressing the MHz terminator softkey 5 Change the stop frequency of the step sweep Press the Freq Stop softkey Enter 600 MHz using the numeric keypad and pressing the MHz terminator softkey 6 Set the power level for the start of the step sweep Press the Ampl Start softkey Enter 20 dBm using the numeric keypad and pressing the dBm terminator softkey 7 Set the power level for the end of the step sweep Press the Ampl Stop softkey Enter 0 dBm using the numeric keypad and pressing the dBm terminator softkey 8 Set the number of sweep points Press the Points softkey Enter 8 by rotating the front panel knob until the number 8 is displayed 9 Set the dwell time at each point Press the Step Dwell softkey then enter 500 ms using the numeric keypad and pressing the msec terminator softkey User s Guide 9 9 Using Functions ESG Family Signal Generators Creating a Step Sweep and a List Sweep Turning On Continuous Step Sweep 1 2 Press Return to move up one menu level Press the Sweep softkey Another menu is displayed showing you choices for sweeping either the frequency amplitude or frequency and amplitude data Press the Freq amp Ampl softkey Selecting this softkey returns you to
147. he preset state is a persistent state it is not changed by an instrument preset or by a power cycle Softkey Location Utility gt Power On Preset gt Preset Normal User Proceed With Reconfiguration CAUTION User s Guide Press this softkey to enable the selected hardware or software options In the Hardware Options menu selected options are indicated by an X in the column to the left of the option number In the Software Options menu selected options include any options that have a license key entered After pressing this softkey press the Confirm Change softkey to verify that you do want to reconfigure the signal generator with the options that you have selected If you do not want to continue press the Return key Refer to Chapter 2 Using Functions for an example of using this function If you enable an option that does not have the required hardware installed the menus for that option will be activated but the option cannot operate despite what the menus may seem to indicate Softkey Location Utility gt Instrument Adjustments gt Hardware Options gt Proceed With Reconfiguration Or Utility gt Instrument Adjustments gt Software Options gt Proceed With Reconfiguration 4 129 Hardkey and Softkey Reference ESG Family Signal Generators Utility RCDMA Press this softkey to set the current catalog type to RCDMA and display the catalog of RCDMA files Softkey Location Utility gt Memory Catalog g
148. he starting internal modulation frequency for swept sine amplitude modulation To change the value press the softkey once The current value for the AM start rate is displayed in the active entry area To enter a new value rotate the front panel knob until the desired value is displayed use the up and down arrow keys or enter the value using the numeric keypad and press the Hz or kHz terminator softkey The range of values allowed is 0 1 Hz to 50 kHz The minimum increment allowed is 0 1 Hz This softkey is coupled to the AM Rate softkey in the initial AM Menu and the AM Tone 1 Rate softkey in the AM Dual Sine Menu Any value set for AM Start Rate is reflected in the AM Rate and AM Tone 1 Rate softkeys Conversely if you change the value for either the AM Rate softkey or the AM Tone 1 Rate softkey the value for AM Start Rate is changed to match Default Value 400 0 Hz Softkey Location AM gt AM Waveform gt Swept Sine gt AM Start Rate AM Stop Rate User s Guide Usethis softkey to change the ending internal modulation frequency for swept sine amplitude modulation To change the value press the softkey once The current value for the AM stop rate is displayed in the active entry area To enter a new value rotate the front panel knob until the desired value is displayed use the up and down arrow keys or enter the value using the numeric keypad and press the Hz or kHz terminator softkey The range of values allowed is 0 1 Hz to
149. ht and text on and off Refer to the Screen Saver Mode softkey description in this section The screen saver delay is set to 1 hour at the factory You can change the delay time Refer to the Screen Saver Mode softkey description in this section Screen saver is a persistent state it is not affected by an instrument preset or by a power cycle Softkey Location Utility gt Display gt Screen Saver Off On Press this softkey to select the highlighted option from the list of hardware options Selected options show an X in the column to the left of the option number Two operations can be performed upon the selected options The signal generator can be configured with these options enabled by pressing the Proceed With Reconfiguration softkey or the selected options can be calibrated by pressing the Calibrate Selected Items softkey For more information refer to the descriptions of the softkeys mentioned or refer to Chapter 2 Using Functions for an example of enabling options Softkey Location Utility gt Instrument Adjustments gt Hardware Options gt Select Item User s Guide ESG Family Signal Generators Hardkey and Softkey Reference Seq Shape Utility Press this softkey to set the current catalog type to Seq and display the catalog of sequence files Softkey Location Utility gt Memory Catalog gt Catalog Type gt ARB Catalog Types gt Seq Press this softkey to set the current catalog type to Shape
150. iation Notice that the new value of FM deviation applies only to whichever FM path configuration you have currently selected Also whenever FM Path 1 is used with FM Path 2 the deviation for FM Path 1 must be greater than or equal to the deviation for FM Path 2 Default Value 1 kHz Softkey Location FM iM gt FM Dev Or FM M gt FM Waveform gt Dual Sine gt FM Dev FM Dev Couple Off On User s Guide Toggles the FM deviation coupling on and off Turning on FM deviation coupling links the FM deviation values of FM Path 1 and FM Path 2 When the values are coupled any change you make to one FM deviation value is applied to both FM deviation values Default Value Off Softkey Location FM iM gt FM Dev Couple Off On 4 25 Hardkey and Softkey Reference ESG Family Signal Generators FM FM Off On FM Path 12 4 26 Toggles the frequency modulation on or off for whichever FM path configuration FM Path 1 or FM Path 2 you have selected Notice however that although you can turn on frequency modulation with this softkey the RF carrier is modulated by the enabled modulation only when you have also set Mod On Off to On Whenever frequency modulation is enabled the rm annunciator is turned on in the display There are two paths for FM modulation which can be simultaneously enabled as long as they use different sources Int Ext1 or Ext2 FM Path 2 is limited toa maximum rate of 1 MHz FM Path 2 must be set to a devia
151. if the peak input voltage differs from 1 0 Vpk by more than 3 The LO HI annunciators only function for AC coupled external inputs Theinternal and external 1 and 2 sources have multiple uses You can use them for amplitude frequency and phase modulation For burst modulation you can only use the external 1 source You must use the external 2 source for pulse modulation However any given source can only be routed to one enabled modulation at a time If for example you were using the external 1 source in a frequency modulation configuration for FM Path 1 and then you configured AM Path 2 to also use the external 1 source the signal generator would turn off FM Path 1 and assign the external 1 source to your AM Path 2 configuration Notice that for these purposes the external 1 AC coupled source is the same as the external 1 DC coupled source and the external 2 AC coupled source is the same as the external 2 DC coupled source Default Value Internal Softkey Location FM iM gt FM Source 4 27 Hardkey and Softkey Reference ESG Family Signal Generators FM FM Start Rate Changes the starting internal modulation frequency for swept sine frequency modulation To change the value press the softkey once The current value for the FM start rateis displayed in the active entry area Toenter a new value rotate the front panel knob until the desired value is displayed use the up and down arrow keys or enter the value using the n
152. igh or low condition if the voltage is gt 3 of 1 Vpk The external 1 input has multiple uses but can be used for only one modulation at a time If for example you were using the external 1 input in an amplitude modulation configuration for AM Path 1 and then you configured FM Path 2 to also use the external 1 input the signal generator would turn off AM Path 1 and assign the external 1 input to your FM Path 2 configuration For the purposes of this discussion the external 1 AC coupled input is the same as the external 1 DC coupled source Softkey Location FM M gt FM Source gt Ext 1 AC Coupled Ext 1 DC Coupled This softkey lets you input an external DC coupled frequency modulation signal to the EXT 1 INPUT connector The external 1 input has multiple uses but can be used for only one modulation at a time If for example you were using the external 1 input in an amplitude modulation configuration for AM Path 1 and then you configured FM Path 2 to also use the external 1 input the signal generator would turn off AM Path 1 and assign the external 1 input to your FM Path 2 configuration For the purposes of this discussion the external 1 AC coupled input is the same as the external 1 DC coupled source Softkey Location FM M gt FM Source gt Ext 1 DC Coupled User s Guide 4 23 Hardkey and Softkey Reference ESG Family Signal Generators FM Ext 2 AC Coupled This softkey lets you input an external AC coupled fr
153. ignal Generators 6 Safety and Regulatory This chapter provides regulatory declarations and explanations of caution and warning statements marked on the instrument User s Guide 6 1 Safety and Regulatory ESG Family Signal Generators Safety Notes Safety Notes The following safety notes are used throughout this manual Familiarize yourself with each of the notes and its meaning before operating this instrument CAUTION Caution denotes a hazard It calls attention to a procedure that if not correctly performed or adhered to would result in damage to or destruction of the product Do not proceed beyond a caution sign until the indicated conditions are fully understood and met WARNING Warning denotes a hazard It calls attention to a procedure which if not correctly performed or adhered to could result in injury or loss of life Do not proceed beyond a warning note until the indicated conditions are fully understood and met 6 2 User s Guide ESG Family Signal Generators Safety and Regulatory Instrument Markings Instrument Markings The following markings and caution and warning labels are used on the instrument Be sure to observe all cautions and warnings WARNING No user serviceable parts inside Refer servicing to qualified personnel The instruction manual symbol The product is A marked with this symbol when it is necessary for the user to refer to the instructions in the manual The CE mark is a r
154. ill not turn off until you have either viewed all of the error messages or cleared the error queue You can view and delete error messages using the utility menu This annunciator toggles between ExT1 LO andeExtT1 HI This annunciator appears if the AC coupled signal to the EXT 1 input is less than 0 97 V pk or greater than 1 03 Vix This annunciator toggles between ExT2 Lo andext2 HI This annunciator appears if the AC coupled signal to the EXT 2 input is less than 0 97 Vpk or greater than 1 03 Vix This annunciator appears when an external 1 2 5 or 10 MHz frequency reference is in use This annunciator appears when frequency modulation is turned on A second annunciator m will appear in the same position if phase modulation is turned on Frequency modulation and phase modulation cannot be turned on at the same time so the two annunciators will never conflict This annunciator appears when 1 Q modulation is turned on This annunciator is present only on ESG D and ESG DP Series Signal Generators The annunciator appears when the signal generator is in the listen mode and receiving information or commands over the GPIB or RS 232 This annunciator toggles between mop oFF and Mop oN and is always visible in the display This annunciator indicates whether the modulations that you have enabled are modulating the RF carrier This annunciator appears when the temperature of the internal ovenized reference oscillator E
155. in the LF Out Freq and LF Out Tone 1 Freq softkeys Conversely if you change the value for either the LF Out Freq softkey or the LF Out Tone 1 Freq softkey the value for LF Out Start Freq iS changed to match This softkey is only active when you have selected the internal source to operate as a function generator Default Value 400 0 Hz Softkey Location LF Out gt LF Out Source gt Function Generator gt LF Out Waveform gt Swept Sine gt LF Out Start Freq 4 55 Hardkey and Softkey Reference ESG Family Signal Generators LF Out LF Out Stop Freq Use this softkey to change the ending frequency for swept sine low frequency output To change the value press the softkey once The current value for the LF Out stop frequency is displayed in the active entry area To enter a new value rotate the front panel knob until the desired valueis displayed use the up and down arrow keys or enter the value using the numeric keypad and press the Hz or kHz terminator softkey The range of values allowed is 0 1 Hz to 50 kHz The minimum increment allowed is 0 1 Hz This softkey is coupled to the LF Out Tone 2 Freq softkey in the LF Out Dual Sine Menu Any value set for LF Out Stop Freq is reflected in the LF Out Tone 2 Freq softkey Conversely if you change the value for the LF Out Tone 2 Freq softkey the value for LF Out Stop Freq is changed to match This softkey is only active when you have selected the internal source to operate as a fu
156. ineering Manager R M Evans Quatity Manager Santa Rosa 22 Mar 2000 South Queensterry 29 Mar 2000 For further information please contact your local Agilent Technologies sales office agent or distributor 6 8 User s Guide ESG Family Signal Generators Safety and Regulatory Compliance with German Noise Requirements Compliance with German Noise Requirements This is to declare that this instrument is in conformance with the German Regulation on Noise Declaration for Machines Laermangabe nach der Maschinenlaermrerordnung 3 GSGV Deutschland Acoustic Noise E mission Geraeuschemission LpA lt 70 dB LpA lt 70 dB Operator position am Arbeitsplatz Normal position normaler Betrieb per ISO 7779 nach DIN 45635 t 19 User s Guide 6 9 Safety and Regulatory ESG Family Signal Generators Compliance with German Noise Requirements 6 10 User s Guide Index Symbols Points softkey 4 96 M annunciator 3 9 M hardkey 4 67 M softkeys M Dev 4 68 M Dev Couple Off On 4 69 M Off On 4 69 M Path 1 2 4 70 M Rate 4 70 M Source 4 71 M Start Rate 4 71 M Stop Rate 4 72 M Sweep Time 4 72 M Sweep Trigger 4 72 M Tone 1 Rate 4 73 M Tone 2 Ampl Percent Of Peak 4 73 M Tone 2 Rate 4 73 M Waveform 4 74 Numerics 10 MHz IN connector 3 14 OUT connector 3 14 321 4 MHzIN connector 3 19 A AC power receptacle 3 13 AC symbol 6 3 active entry area 3 9 Add Comment To Seq n
157. ion UNA Only Toggles the operating state of the alternate amplitude function between off and on The alternate amplitude mode must be turned on in order to switch the RF output power between main and alternate amplitudes Default Value Off Softkey Location Ampl gt Alternate Amplitude gt Alt Ampl Off On Alt Ampl Trigger Option UNA Only Reveals a menu of choices for the alternate amplitude trigger source These choices include Int internal from the baseband generator Ext external source provided at the rear panel TRIGGER IN connector and Manual softkey driven triggering Internal triggering is mainly used during framed data generation Each timeslot is allowed to output power with a user selected main or alternate amplitude For instruments without baseband generators the Int softkey will be nonfunctional For instruments containing baseband generators internal triggering is automatically selected during framed data transmission with at least one activated timeslot with alternate amplitude or during non framed external data generation In cases regarding non framed external data generation an external trigger to the ALT PWR IN rear panel connector is required This external trigger input is routed to the data generator for processing Default Value Manual Softkey Location Ampl gt Alternate Amplitude gt Alt Ampl Trigger User s Guide 4 15 Hardkey and Softkey Reference ESG Family Signal Generators Amp
158. ions document Theinternal source has multiple uses but can be used for only one modulation at a time If for example you were using the internal source in a frequency modulation configuration for FM Path 1 and then you configured the pulse modulation source to also use the internal source the signal generator would turn off FM Path 1 and assign the internal source to your pulse configuration Softkey Location Pulse gt Pulse Source gt Internal Pulse Internal Square This softkey lets you internally generate squarewave pulse modulation The duty cycle is set at 50 and you can set the pulse rate from 0 1 Hz to 50 kHz For additional specifications refer to the technical specifications document Theinternal source has multiple uses but can be used for only one modulation at a time If for example you were using the internal source in a frequency modulation configuration for FM Path 1 and then you configured the pulse modulation source to also use the internal source the signal generator would turn off FM Path 1 and assign the internal source to your pulse configuration Softkey Location Pulse gt Pulse Source gt Internal Square Pulse Off On This softkey enables the pulse modulation for whichever pulse source you have selected Notice however that although you can enable the pulse modulation state with this softkey the RF carrier is modulated by the enabled modulation only when you have also set Mod On Off to On Whenever p
159. isten mode annundator 3 10 Load From Selected File softkey 4 102 Load List From Step Sweep softkey 4 103 Load Store softkey 4 103 Local 3 4 Local hardkey 3 4 4 63 locked up 2 19 low frequency generator 4 51 M maintenance agreements 6 6 Manual Mode Off On softkey 4 103 Manual Point softkey 4 103 MCDMA softkey 4 124 MDMOD softkey 4 125 MDWCDMA softkey 4 125 memory ARB 5 2 burst shape 5 2 default 5 2 firmware 5 2 FLASH RAM based 5 2 motherboard RAM 5 2 nonvolatile 5 2 NVARB 5 2 pattern RAM 5 2 RAM based 5 2 volatile 5 2 memory catalog copying files 5 4 deleting files 5 4 renaming files 5 4 viewing files 5 3 Memory Catalog softkey 4 124 menu hardkeys 3 6 MFCDMA softkey 4 125 MFWCDMA softkey 4 125 MOD OFF annunciator 3 10 MOD ON annundator 3 10 Mod On Off hardkey 3 3 4 64 Mod Status I nfo Off On softkey 4 126 Mode 1 Optimize lt 10kHz Offset softkey 4 36 Mode 2 Optimize gt 10kHz Offset softkey 4 36 Mode hardkey 4 65 model number 4 117 Modify License K ey softkey 4 125 modulation annunciators 3 9 3 10 none 2 17 turning on off 4 64 Modulation Catalog Types softkey 4 126 modulation status display 4 126 motherboard RAM 5 2 MTONE softkey 4 126 multiplying frequency 4 35 N Noise softkey 4 10 4 31 4 59 4 77 nonvolatile memory 5 2 numeric keypad 3 4 4 66 NVARB memory 5 2 NVARB softkey 4 126 O Off softkey 4 104 4 126 offset 4 35
160. ks in order Power On the Signal Generator and Check for Error Messages This procedure verifies that the signal generator powers up and that the internal instrument check identifies no errors 1 Turn power on tothe signal generator by pressing the power switch The green LED will light Let the instrument warm up for one hour 2 Cycle the power to the signal generator The green LED should again be lit and the instrument will perform a check 3 When the display is lit check to see if the ERR annunciator is turned on 4 Ifthe ERR annunciator is turned on review the error messages in the queue by pressing Utility gt Error Info The first error message in the queue will be shown in the text area of the display Refer to the error messages guide for information about the error message If there is more than one error message each message will be designated as 1 of n press the View Next Error Message softkey until you have seen all of the messages 5 When you have resolved all of the error messages press Clear Error Queue s to delete the messages Then restart this procedure at step two NOTE For ESG AP ESG DP and Option 1E5 signal generators ERROR 514 Reference Oven Cold will occur whenever the signal generator is first connected to AC line power The ovEN corp annunciator and the ERR annunciator will both turn on The oven corp annunciator will automatically clear after approximately 5 minutes The error queue can
161. l Ampl Offset Ampl Ref Set Sets a value for amplitude offset An amplitude offset changes the value shown in the amplitude area of the display but does not affect the output power For example if the current output power is 0 dBm and you enter an amplitude offset of 3 dBm the output power will remain at 0 dBm but the display will show an amplitude of 3 dBm This feature lets you simulates the power level at a test point beyond the RF OUTPUT connector An amplitude offset can be entered at any time during normal operation and also when you are operating in amplitude reference mode To enter an offset press Ampl Offset and enter the desired offset value using the up and down arrow keys the front panel knob or enter a value using the numeric keypad and press the dB terminator softkey When a non zero offset has been entered the orrset indicator is turned on in the amplitude area of the display Default Value 0 00 dB Softkey Location Amp gt Ampl Offset This softkey sets the current output power as an amplitude reference value It also causes the Ampl Ref Off On softkey to toggle to the On position turning on amplitude reference mode All amplitude parameters are then set as relative to the reference value Default Value 0 0 dBm Softkey Location Amp gt Ampl Ref Set Ampl Ref Off On 4 16 This softkey toggles the amplitude reference mode on and off When amplitude reference mode is turned on the amplitude valu
162. l List LFOut pk730a Ext2 DC Coupled This softkey lets you input an external DC coupled pulse modulation signal tothe EXT 2 INPUT connector The external 2 input has multiple uses but can be used for only one modulation at a time If for example you were using the external 2 input in a frequency modulation configuration for FM Path 1 and then you configured the pulse modulation source to also use the external 2 input the signal generator would turn off FM Path 1 and assign the external 2 input to your pulse configuration Softkey Location Pulse gt Pulse Source gt Ext2 DC Coupled Fast Pulse Off On 4 82 This softkey enables fast pulse modulation from an external TTL compatible pulse source via the PULSE IN BNC connector Notice however that although you can enable the fast pulse modulation state with this softkey the RF carrier is modulated by the pulse signal only when you have also set Mod On Off to On Whenever fast pulse modulation is enabled the puLsE annunciator is turned on in the display Default Value Off Softkey Location Pulse gt Fast Pulse Off On User s Guide ESG Family Signal Generators Hardkey and Softkey Reference Pulse Internal Pulse This softkey lets you internally generate rectangular pulse modulation Configure the pulse modulation using the Pulse Period and Pulse Width softkeys For additional specifications refer to the technical specificat
163. l You can also press this key to restore the display once the screen saver has started ol aa Local ou an Return _ J CF rr This key has autorepeat capability Hold it down and its function is continuously executed until you release it Default Value Local unless a LOCAL LOCKOUT command has been sent 4 63 Hardkey and Softkey Reference ESG Family Signal Generators Mod On Off Mod On Off JUJ pk756a Set this front panel hardkey to On to modulate the RF carrier with the modulations that you have enabled All modulation types can be simultaneously enabled except FM with M AM with external burst source and wideband AM with I Q An annunciator is always turned on in the display to indicate whether modulation is turned on or off Default Value Mod Off 4 64 User s Guide ESG Family Signal Generators Hardkey and Softkey Reference Mode Mode Pressing the front panel Mode key reveals a menu of softkeys These softkeys let you access further menus for enabling options on digital ESG D and ESG DP series signal generators These options are documented in separate user s and programming guides which are part of the digital documentation set On analog ESG A and ESG AP series signal generators this front panel key is reserved for future use MENUS CE pk725a User s Guide 4 65 Hardkey and Softkey Reference ESG Family Signal Generators Numeric Keypa
164. l hardkey or softkey When you press the Help key the following message is displayed e Press a key for help on that key Press a front panel hardkey or a softkey and a short description of that key s function will be displayed Press another key and you will be returned to normal instrument operation The Help key can be set to either single or continuous mode In single mode when you press the Help Key help text is provided only for the next key that you press and then you arereturned to normal operation In continuous mode when you press the Help Key help text is provided for the next key that you press and that key s function is also executed except for the Preset key This help mode remains active until you press the Help key again Refer to the description of the Help Mode Single Cont softkey in the Utility section for instructions on changing the help mode from single to continuous 4 39 Hardkey and Softkey Reference ESG Family Signal Generators Hold Hold pk748a Press this front panel hardkey to de activate the current active function and blank the softkey menu Once Hold is pressed the front panel knob the arrow keys and the numeric keypad have no effect To return to normal operation press any front panel hardkey 4 40 User s Guide ESG Family Signal Generators Hardkey and Softkey Reference Incr Set User s Guide Incr Set ae re J7 pk749a Press this front
165. l the desired valueis displayed use the up and down arrow keys or enter the value using the numeric keypad and press the usec or msec terminator softkey The range of values allowed is 8 us to 30 s Notice that the new value of pulse width applies only to internal pulse modulation when external pulse modulation or internal square pulse modulation is selected this softkey is disabled Default Value 40 us Softkey Location Pulse gt Pulse Source gt Internal Square gt Pulse Width User s Guide 4 85 Hardkey and Softkey Reference ESG Family Signal Generators Recall Recall Pressing the front panel Recall key reveals a menu of softkeys These softkeys are described in this section in alphabetical order ieee Help pk752a Delete All Regs in Seq n Press this softkey to delete the data saved in all of the registers of the selected sequence Do not press this softkey until you have selected the correct sequence using the softkey For example if you want to delete the data in all of the registers that are saved in sequence 4 press Select Seq The currently selected sequence is displayed in the active entry area Change the number to 4 using the up and down arrow keys the front panel knob or enter a 4 using the numeric keypad and press the Enter terminator softkey Sequence 4 is now displayed in all softkeys which specify a sequence in this menu Now press Delete All Regs in Seq 4 and the data in all of the registe
166. layed in the softkey label and also in the active entry area To change the delay enter a new value using the numeric keypad and then press Enter or rotate the front panel knob The acceptable range of delay values is 1 through 12 hours in 1 hour increments The screen saver settings do not change when Preset is pressed nor when power to the instrument is cycled User s Guide 1 5 Preparing for Use ESG Family Signal Generators Installing the Signal Generator Selecting the Signal Generator s GPIB Address The signal generator s GPIB address is set to 19 at the factory You can view and change the address by pressing Utility gt GPIB RS 232 gt GPIB Address The current GPIB address is displayed in the softkey label and alsoin the active entry area To change the address enter a new value using the numeric keypad and then press Enter or rotate the front panel knob The acceptable range of addresses is 0 through 30 The GPIB address is a persistent state it is not affected by an instrument preset or by a power cycle Selecting the Signal Generator s Programming Language The default programming language for the signal generator is Standard Commands for Programmable Instruments SCPI You can change this language selection by pressing Utility gt GPIB RS 232 gt Remote Language The Remote Language menu allows you to select between Agilent 8656 57 compatible language Agilent 8648 compatible language and SCPI language If you
167. ld display the maximum specified frequency of your signal generator 4 Thesignal generator is set to output an RF signal however the RF On Off key must be set to On before the RF signal is available at the RF OUTPUT connector Press RF On Off Notice that the display annunciator changes from RF oFF toRF on Themaximum specified frequency is now being output at the RF OUTPUT connector 5 Change the frequency to 700 MHz by pressing Frequency The current RF frequency is now displayed in the active entry area of the display Using the numeric keypad enter 700 and then press the MHz terminator softkey The new 700 MHz RF frequency is now displayed in the frequency area of the display and also in the active entry area 6 Frequency is still the active function until you press another front panel function key Change the frequency again by pressing the up arrow key once Each press of the up arrow key increases the frequency by the increment value last set with the Incr Set key Theincrement value is displayed in the active entry area The down arrow works like the up arrow Practice stepping the frequency up and down in 1 MHz increments Use the Incr Set key to change the increment value to 1 MHz if necessary 7 You can also adjust the RF frequency using the front panel knob As long as frequency is the active function the frequency is displayed in the active entry area the front panel knob will increase and decrease the RF frequency Use the
168. le is highlighted press Delete File Then press the Confirm Delete terminator softkey and the file is deleted You cannot recover the file after this step If you have changed your mind and do not wish to delete the file press the Return front panel hardkey instead Softkey Location Utility gt Memory Catalog gt Delete File User s Guide ESG Family Signal Generators Hardkey and Softkey Reference Utility Deselect All Items Press this softkey to deselect all options in the list of hardware options Selected options show an X in the column to the left of the option number Deselected options have no X Only those options that are selected can be enabled or calibrated Softkey Location Utility gt Instrument Adjustments gt Hardware Options gt Deselect All Items Deselect Item Press this softkey to deselect the highlighted option in the list of hardware options Selected options show an X in the column to the left of the option number Deselected options have no X Only those options that are selected can be enabled or calibrated Softkey Location Utility gt Instrument Adjustments gt Hardware Options gt Deselect Item Diagnostic Info Display User s Guide Press this softkey for a display of diagnostic information about the signal generator The following information is included in the display e instrument model e instrument options e instrument serial number e current firmware revision e current fir
169. les between the menus for FM normal M and wideband M Refer to the Phase Modulation section for a discussion of the differences between normal M and wideband M Default Value FM Softkey Location FM M hardkey gt FM M softkey 4 24 User s Guide ESG Family Signal Generators Hardkey and Softkey Reference FM Dev FM Use this softkey to set the frequency modulation deviation for the FM Path 1 and FM Path 2 configurations To change the value of the FM deviation press the softkey once The current value for FM deviation is displayed in the active entry area To enter a new value rotate the front panel knob until the desired value is displayed use the up and down arrow keys or enter the value using the numeric keypad and press the Hz kHz MHz Or GHz terminator softkey The range of values allowed depends on the carrier frequency The maximum peak deviation for a frequency is calculated by multiplying N times 10 MHz Table 4 1 lists the values for N and the resulting maximum peak deviations Table 4 1 Maximum Deviation Values for Frequency Modulation Carrier Frequency N Maximum Peak Deviation 250 kHz to lt 249 999 MHz 1 10 MHz gt 249 999 MHz to lt 500 MHz 0 5 5 MHz gt 500 MHz to lt 1 GHz 1 10 MHz gt 1 GHz tos 2 GHz 2 20 MHz gt 2 GHz to 4 GHz 4 40 MHz For example if you choose a carrier frequency of 400 MHz multiply 0 5 by 10 MHz resulting in a5 MHz maximum peak dev
170. lp Mode Single Cont User s Guide ESG Family Signal Generators Hardkey and Softkey Reference 8648A B C D Utility This softkey is one of the choices in both the Preset Language menu and the Remote Language menu The 8648A B C D softkey is a language choice for the signal generator that is compatible with the remote language commands used by the 8648A B C D Choosing 8648A B C D in the Preset Language menu allows you to select this remote language as the default after a normal preset Choosing 8648A B C D in the Remote Language menu allows you to immediately change the signal generator to use this remote language Softkey Location Utility gt Power On Preset gt Preset Language gt 8648A B C D Or Utility gt GPIB RS 232 gt Remote Language gt 8648A B C D 8656B 8657A B This softkey is one of the choices in both the Preset Language menu and the Remote Language menu The 8656B 8657A B softkey is a language choice for the signal generator that is compatible with the remote language commands used by the 8656B and the 8657A B See the 8656 57 Compatibility table in the Softkey Command Cross Reference chapter of the programming guide Choosing 8656B 8657A B in the Preset Language menu allows you to select this remote language as the default after a normal preset Choosing 8656B 8657A B in the Remote Language menu allows you to immediately change the signal generator to use this remote language Softkey Location Utility gt Powe
171. ls The maximum clock rate is 50 MHz if the user supplies the data If the signal generator is supplying any of the data the maximum rate is 5 MHz The damage levels are gt 8 and lt 4V This female BNC connector is provided on instruments with Option UN8 It is also present but not functional on instruments with Option UND On instruments with Option 1EM this input is relocated to a rear panel SMB connector 33 SYMBOL SYNC Input Connector The CMOS compatible SYMBOL SYNC connector accepts the digital modul ation symbol synchronization signal from an external source This signal synchronizes the serial multi bit symbol transmission The expected signal may be continuous or a single one bit wide pulse to synchronize the first bit of the first symbol The CMOS rising edge must be synchronous with the DATA CLOCK rising edges The synchronization signal must be valid on the DATA CLOCK falling edges The damage levels are gt 8 and lt A4V This female BNC connector is provided on instruments with Option UN8 It is also present but not functional on instruments with Option UND On instruments with Option 1EM this input is relocated to a rear panel SMB connector 34 PULSE IN Connector This connector accepts an externally supplied TT L compatible pulse signal The pulse signal is activated with the Fast Pulse Off On softkey or via SCP command The maximum input for this connector is 15 volts This female BNC connector is provided
172. lt for the FM Waveform softkey Press More 1 of 2 to see the softkey Follow these remaining steps to output the frequency modulated signal 1 In the same FM menu press the FM Off On softkey FM toggles from off to On Notice that the Fw display annunciator is turned on indicating that you have enabled frequency modulation 2 Press the front pane RF On Off key to toggle RF on Notice that the display annunciator changes from RF oFF torr on The modulated signal is now available at the RF OUTPUT connector 2 8 User s Guide ESG Family Signal Generators Using Functions Creating a Step Sweep and a List Sweep Creating a Step Sweep and a List Sweep Using this procedure you will learn two ways to set up the signal generator to sweep a defined set of points You will create a step sweep and then you will use these points as the basis for a new list sweep In the first procedure you will create a step sweep with the following ten equally spaced points e frequency range from 525 MHz to 600 MHz e power level from 20 dBm to 0 dBm e dwell time 500 ms at each point In the second procedure you will take the step sweep points and edit several points to change the sweep information Configuring a Step Sweep 1 Preset the signal generator to the factory defined instrument state 2 Press the front panel Sweep List key The first level of sweep softkeys is displayed Toggle the Sweep Type List Step softkey to Step 3 Press t
173. m the shipping container and verify that your order is complete A power cord and a documentation set are shipped standard with your signal generator Verify that you have received any options that you ordered Installing Front Handles and Rack Mount Flanges You can attach handles to the front of the signal generator to facilitate transportation of the instrument Handles are available in a kit which can be ordered when the signal generator is purchased Option 1CN or at any time afterward Assembly instructions are included with the kit The kit part number is listed in Table 1 1 You can also rack mount the signal generator Hardware is available in kits to install rack mount flanges on the signal generator without or with handles These kits can be ordered when the signal generator is purchased Options 1CM and 1CP or at any time afterward Assembly instructions are included with the kits The kit part numbers are listed in Table 1 1 Table 1 1 Front Handle and Rack Mount Flange Kits Option Description Part Number Option 1CN Front Handle Kit 5063 9227 Option 1CM Rack Mount Kit without Handles 5063 9214 Option 1CP Rack Mount Kit with Handles 5063 9221 1 2 User s Guide ESG Family Signal Generators Preparing for Use Installing the Signal Generator Meeting Electrical and Environmental Requirements Line Settings CAUTION This product has an autoranging line voltage input Be sure that the supply _ voltage i
174. may be used as a disconnecting device User s Guide 1 3 Preparing for Use ESG Family Signal Generators Installing the Signal Generator Ventilation CAUTION Ventilation Requirements When installing the product in a cabinet the convection into and out of the product must not be restricted The ambient temperature outside the cabinet must be less than the maximum operating temperature of the product by 4 C for every 100 watts dissipated in the cabinet If the total power dissipated in the cabinet is greater than 800 watts then forced convection must be used Cooling holes are located on the sides and bottom of the instrument cover and the rear panel of the instrument Do not allow these holes to be obstructed as they allow air flow through the signal generator Environment This product is designed for use in the following environmental conditions e indoor use e lt 15 000 feet 4 572 meters altitude e Qto55 C temperature unless specified differently e maximum relative humidity 80 for temperatures up to 31 C decreasing linearly to 50 relative humidity at 40 C CAUTION This product is designed for use in INSTALLATION CATEGORY II and POLLUTION DEGREE 2 per IEC 1010 and 664 respectively Proper Usage and Cleaning The signal generator protects against finger access to hazardous parts within the enclosure but does not protect against the ingress of water WARNING If this product is not used as specified the prot
175. ment State Using this procedure you will learn how to save instrument settings toa memory register and to recall the settings 1 2 Preset the signal generator to the factory defined instrument state Set up the signal generator with the following changes a Set the frequency to 800 MHz b Set the amplitude to 0 dBm c Enable amplitude modulation am display annunciator is on Save this instrument state in the signal generator memory in sequence 1 memory register 01 Press Save gt Select Seq The sequence number becomes the active function The signal generator will display the last sequence that you have used Set the sequence to 1 using the arrow keys Press Select Reg The register number in sequence 1 becomes the active function The signal generator will either display the last register used accompanied by the text in use or if no registers are in use will display register 00 accompanied by the text available Usethe arrow keys to select register 01 Press Save Seq 1 Reg 01 The current instrument settings including the frequency amplitude and modulation changes you made have been stored in signal generator memory 5 Preset the signal generator to the factory defined instrument state 6 Recall your instrument state Press the front panel Recall key Notice that the Select Seq softkey shows sequence 1 This is the last sequence that you have used You do not need to change the sequence Pr
176. mware date number of hours the signal generator has been powered on e number of hours the display has been lit e number of power cycles e number of attenuator cycles e number of reverse power protection trips Softkey Location Utility gt Instrument Info Help Mode gt Diagnostic Info Pressing this softkey reveals a menu of choices for adjusting and testing the display In this menu you are able to set up the screen saver change the display brightness and perform black and white pixel screen tests Softkey Location Utility gt Display 4 117 Hardkey and Softkey Reference ESG Family Signal Generators Utility DMOD Press this softkey to set the current catalog type to DMOD and display the catalog of DMOD files Softkey Location Utility gt Memory Catalog gt Catalog Type gt ARB Catalog Types gt DMOD DWCDMA Press this softkey to set the current catalog type to DWCDMA and display the catalog of DWCDMA files Softkey Location Utility gt Memory Catalog gt Catalog Type gt ARB Catalog Types gt DWCMDA Editing Keys Pressing this softkey reveals a menu of choices for editing the name of a file you have just copied When you copy a file its name is copied also As you cannot have two identical file names use this menu to edit the file name of the copied file In this menu you can delete the existing text in the active entry area either the copied file name or a file name that you have subsequently entered an
177. n set the value anywhere in the range of the signal generator s specified output frequency Press Freq Stop and frequency becomes the active function for the last point in the sweep To enter the value rotate the front panel knob until the desired value is displayed use the up and down arrow keys or enter the value using the numeric keypad and press the GHz MHz kHz or Hz terminator softkey Default Value Maximum specified frequency Softkey Location Sweep List gt Configure Step Sweep gt Freq Stop Goto Bottom Row 4 100 Press this softkey to move the selection bar to the bottom row of list sweep points when you are in the Goto Row menu that is accessed from the Configure List Sweep menu If you are in the Goto Row menu that is accessed from the Load Store menu the selection bar moves to the bottom row of the catalog of list files Softkey Location Sweep List gt Configure List Sweep gt Goto Row gt Goto Bottom Row Or Sweep List gt Configure List Sweep gt Load Store gt Goto Row gt Goto Bottom Row User s Guide ESG Family Signal Generators Hardkey and Softkey Reference Sweep List Goto Middle Row Goto Row Press this softkey to move the selection bar to the middle row of list sweep points when you are in the Goto Row menu that is accessed from the Configure List Sweep menu If you arein the Goto Row menu that is accessed from the Load Store menu the selection bar moves to the middle row of the catalo
178. n trigger the sweep Default Value Single Softkey Location Sweep List gt Sweep Repeat Single Cont User s Guide ESG Family Signal Generators Hardkey and Softkey Reference Sweep List Sweep Trigger Reveals a menu of choices for triggering a full sweep You can choose triggering that occurs immediately once a sweep is armed triggering that is supplied by the GPIB triggering on either the positive or negative edge of a signal supplied to the TRIGGER IN connector or triggering by the front panel Trigger key Default Value Immediate Softkey Location Sweep List gt Sweep Trigger Sweep Type List Step Trigger Key User s Guide Toggles the sweep type from list sweep to step sweep You create a list sweep by supplying the frequency amplitude and dwell time for each point in the sweep You create a step sweep by supplying the start and stop frequency and amplitude the number of points and a dwell time The signal generator then calculates the points between the first and last point in a linear manner Default Value List Softkey Location Sweep List gt Sweep Type List Step This softkey is one of the choices in both the Sweep Trigger menu and the Point Trigger menu Press either the Sweep Trigger softkey or the Point Trigger softkey to view these menus Choosing Trigger Key in the Sweep Trigger menu immediately triggers an armed sweep when you press the Trigger front panel key Choosing Trigger Key in the Point
179. nal generator would turn off FM Path 1 and assign the external 1 source to your AM Path 2 configuration Notice that for these purposes the external 1 AC coupled source is the same as the external 1 DC coupled source and the external 2 AC coupled source is the same as the external 2 DC coupled source Softkey Location FM M hardkey gt FM M softkey M gt M Source M Start Rate User s Guide Use this softkey to change the starting internal modulation frequency for swept sine phase modulation To change the value press the softkey once The current value for the M start rate is displayed in the active entry area To enter a new value rotate the front panel knob until the desired value is displayed use the up and down arrow keys or enter the value using the numeric keypad and press the Hz or kHz terminator softkey The range of values allowed is 0 1 Hz to 50 kHz The minimum increment allowed is 0 1 Hz This softkey is coupled to the M Rate softkey in the initial PM Menu and the M Tone 1 Rate softkey in the M Dual Sine Menu Any value set for M Start Rate is reflected in the M Rate and M Tone 1 Rate softkeys Conversely if you change the value for either the amp M Rate softkey or the M Tone 1 Rate softkey the value for M Start Rate is changed to match Default Value 400 0 Hz Softkey Location FM mM hardkey gt FM M softkey M gt M Waveform gt Swept Sine gt M Start Rate 4 71 Hardkey and Softkey Reference
180. nals Enter the value as a percentage of full scale 500 mV The range of values allowed is 100 to 100 Change the origin offset to adjust out imperfections in the in phase signal or to introduce calibrated impairments Set the origin offset as desired and then toggle the 1 Q Adjustments Off On softkey to On When using this key to minimize the LO feedthrough signal optimum performance is achieved when the adjustment is made after all other 1 Q path adjustments such as those made with the I nt Phase Polarity Normal Invert or Modulator Atten xx db Manual Auto softkeys If other adjustments are made after minimization is performed the LO feedthrough signal may increase Default Value 0 0 Softkey Location Q gt 1 Q Adjustments gt Offset 1 Q Adjustments Pressing this softkey reveals a menu of Q adjustment choices for internally generated or externally applied and Q signals In this menu you can change the to Q gain ratio change the and Q offset voltages change quadrature skew and turn on and off these 1 Q adjustments Default Value Off Softkey Location Q gt I Q Adjustments 1 Q Adjustments Off On Press this softkey to toggle off and on the to Q gain ratio and the and Q offset voltage adjustments The values entered for the I Q Gain Offset and Q Offset are not applied to the and Q signals until the 1 Q Adjustments Off On softkey is set to On Default Value Off Softkey Location Q gt I Q Adjus
181. nction generator Default Value 400 0 Hz Softkey Location LF Out gt LF Out Source gt Function Generator gt LF Out Waveform gt Swept Sine gt LF Out Stop Freq LF Out Sweep Time Press this softkey to set the sweep time for low frequency swept sine output The signal generator will sweep from the specified start frequency to the stop frequency in the time set with this softkey Enter the desired sweep time using the up and down arrow keys the front panel knob or enter a value using the numeric keypad and press the sec or msec terminator softkey The range of values allowed is 1 ms through 65 535 s The minimum increment allowed is 1 ms This softkey is only active when you have selected the internal source to operate as a function generator Default Value 100 0 msec Softkey Location LF Out gt LF Out Source gt Function Generator gt LF Out Waveform gt Swept Sine gt LF Out Sweep Time 4 56 User s Guide ESG Family Signal Generators Hardkey and Softkey Reference LF Out LF Out Sweep Trigger Pressing this softkey reveals a menu of choices for triggering swept sine low frequency output You can choose triggering that occurs immediately triggering that is supplied by the GPIB triggering on either a positive or negative level of a signal supplied to the TRIGGER IN connector or triggering by the front panel Trigger key Default Value Immediate Softkey Location LF Out gt LF Out Source gt Function Generator gt
182. ncy 4 50 User s Guide ESG Family Signal Generators Hardkey and Softkey Reference LF Out LF Out Pressing the front panel LF Out key reveals a menu of softkeys for configuring the internal low frequency generator These softkeys are described in this section in alphabetical order MENUS ATF FM Pulse Sweep oM List VQ pk734a Bus This softkey is one of the choices in the LF Out Sweep Trigger menu With Bus selected you use the GPIB to trigger single sweeps of swept sine low frequency output Softkey Location LF Out gt LF Out Source gt Function Generator gt LF Out Waveform gt Swept Sine gt LF Out Sweep Trigger gt Bus DC This softkey lets you specify DC as the waveform for the LF output signal This softkey is only active when you have selected the internal source to operate as a function generator Softkey Location LF Out gt LF Out Source gt Function Generator gt LF Out Waveform gt DC User s Guide 4 51 Hardkey and Softkey Reference ESG Family Signal Generators LF Out Dual Sine Pressing this softkey reveals a menu of choices for setting the dual sine low frequency output parameters In this menu you can set the frequencies for two separate tones In addition you can set a ratio of the tone 2 LF amplitude tothe tone 1 LF amplitude Softkey Location LF Out gt LF Out Source gt Function Generator gt LF Out Waveform gt Dual Sine Ext
183. ncy modulation waveform for the M Path 1 and M Path 2 configurations Notice that the selected waveform applies only to whichever M path configuration you have currently selected Softkey Location FM mM hardkey gt FM M softkey M gt pM Waveform gt Triangle Trigger In Polarity Neg Pos 4 78 Toggles between a negative TTL level trigger 0 V and a positive TTL level trigger 5 V for externally triggering swept sine phase modulation This softkey is coupled to the Trigger In Polarity Neg Pos softkey for swept sine AM FM and LF Out and to the Ext Neg and Ext Pos sweep trigger selections in the Sweep List Menu If you set the Trigger In Polarity Neg Pos softkey in the M Swept Sine Menu to Neg the Trigger In Polarity Neg Pos softkey is also set to Neg for swept sine AM FM and LF Out And in addition if the step or list sweep trigger is set to Ext Pos the trigger selection will automatically be changed to Ext Neg The same softkeys will toggle to Pos or to Ext Pos if you select Pos in the Swept Sine M Menu User s Guide ESG Family Signal Generators Hardkey and Softkey Reference Trigger Key Phase Modulation Conversely if the Trigger In Slope Neg Pos softkey is toggled in the swept sine AM FM or LF Out menus it will cause the swept sine M softkey to toggle also This is also true for the Ext Neg and Ext Pos step or list sweep trigger selections Default Value Pos Softkey Location FM M hardkey gt FM
184. ncy or phase modulation To change the phase press the softkey once Phase adjustment becomes the active function To enter a new value rotate the front panel knob until the desired value is displayed use the up and down arrow keys or enter the value using the numeric keypad and press the rad or deg terminator softkey The range of values allowed is 3 141 radians or 180 degrees Default Value O radians Softkey Location Freq gt Adjust Phase 4 34 User s Guide ESG Family Signal Generators Hardkey and Softkey Reference Freq Freq Multiplier Freq Offset User s Guide You can multiply the frequency shown on the display without changing the frequency output at the RF OUTPUT connector simulating the frequency at the output of a harmonic multiplier Press this softkey and enter a value from 1 through 50 Use the up and down arrow keys the front pane knob or enter a value using the numeric keypad and press the Enter terminator softkey For example set the output frequency to 1 MHz Then press Freq gt Freq Multiplier gt 3 gt Enter The display will now show an output frequency of 3 MHz but the actual output frequency will remain at 1 MHz For any multiplier greater than 1 the murt indicator is shown in the frequency area of the display Default Value 1 Softkey Location Freq gt Freq Multiplier Press this softkey to set a value for frequency offset A frequency offset changes the value shown in the frequency a
185. nd press the Hz or kHz terminator softkey The range of values allowed is 0 1 Hz to 50 kHz Notice that the new value of pulse rate applies only to internal square pulse modulation when external pulse modulation or internal pulse modulation is selected this softkey is disabled Default Value 400 Hz Softkey Location Pulse gt Pulse Rate Pressing this softkey reveals a menu of choices for pulse modulation sources You can choose internally generated pulse modulation internally generated square pulse modulation or select an externally applied DC coupled signal from the EXT 2 INPUT connector The internal and external 2 sources have multiple uses However you can use each source for only one modulation type at a time If for example you were using the external 2 source in a frequency modulation configuration for FM Path 1 and then you configured the pulse modulation source to also use the external 2 source the signal generator would turn off FM Path 1 and assign the external 2 source to your pulse configuration Default Value Internal Pulse Softkey Location Pulse gt Pulse Source User s Guide ESG Family Signal Generators Hardkey and Softkey Reference Pulse Pulse Width Use this softkey to change the pulse width for internal pulse modulation To change the pulse width press the softkey once The current value for pulse width is displayed in the active entry area To enter a new value rotate the front panel knob unti
186. ned and tested in accordance with IEC Publication 1010 Safety Requirements for Electronic Measuring Apparatus and has been supplied in a safe condition The instruction documentation contains information and warnings which must be followed by the user to ensure safe operation and to maintain the product in a safe condition User s Guide 6 5 Safety and Regulatory ESG Family Signal Generators Assistance Assistance Product maintenance agreements and other customer assistance agreements are available for Agilent Technologies products For any assistance contact your nearest Agilent Technologies sales or service office Refer to Agilent Technologies Sales and Service Offices on page 2 21 6 6 User s Guide ESG Family Signal Generators Safety and Regulatory Certification Certification Agilent Technologies certifies that this product met its published specifications at the time of shipment from the factory Agilent Technologies further certifies that its calibration measurements are traceable to the United States National Institute of Standards and Technology to the extent allowed by the I nstitute s calibration facility and to the calibration facilities of other International Standards Organization members User s Guide 6 7 Safety and Regulatory ESG Family Signal Generators Declaration of Conformity Declaration of Conformity _ DECLARATION OF CONFORMITY According to SOAEC Guide 22 and CEN CENELEC
187. nfigure List Sweep gt Insert Row Load From Selected File 4 102 Press this softkey to load the list sweep data from a file into the current sweep list Use the arrow keys to highlight the desired sweep list file Press Load From Selected File and the list sweep data from the selected file is loaded into the current list sweep You can only have one list sweep at a time so the existing list sweep data will be lost unless it is first stored toa file This softkey is inactive unless at least one list sweep data file has been stored to memory Softkey Location Sweep List gt Configure List Sweep gt Load Store gt Load From Selected File User s Guide ESG Family Signal Generators Hardkey and Softkey Reference Sweep List Load List From Step Sweep Press this softkey to eliminate the existing sweep list data and replace it with the step sweep data points You can only have one sweep list at a time so be certain that you wish to delete the existing list You cannot recover the sweep list data once you press Load List From Step Sweep Softkey Location Sweep List gt Configure List Sweep gt Load List From Step Sweep Load Store Pressing this softkey reveals a menu of choices for storing list sweep data toa file or loading list sweep data from a file into the current sweep list In this menu you can also delete existing list sweep files Softkey Location Sweep List gt Configure List Sweep gt Load Store Manual Mode Off On
188. ngs Data Generator Option UN8 9 contains pattern RAM memory Data loaded into PRAM is read by the real time Q baseband generator to produce the desired output PRAM data includes the modulating data bits plus control information such as burst state EVENT 1 output and pattern reset Baseband Generator Option UN8 9 contains the burst shape memory 5 2 User s Guide ESG Family Signal Generators Memory Structure File Storage the Memory Catalog File Storage the Memory Catalog The signal generator s interface for stored files is the memory Default Catalog ARB Catalog catalog You can view copy rename and delete files from the subcatalgs a TANAY catalog ather fromthe a dual ean waveform generator options instrument s front panel or Bit remotely for information on FIR performing these tasks remotely ie Modulation Catalog see the programming guide Subcatalogs Shape Used by both State dual arbitrary waveform generator and baseband generator options The Default catalog subcatalogs contain the following information Binary User files and any other binary files downloaded to the signal generator Bit User file data created modified using the bit editor or downloaded to the signal generator Bit files contain a 10 byte header FIR Finite impulse response filter files that contain coefficient values List Data associated with frequency and amplitude sweeps such as frequency start stop dwell
189. not be cleared however until the oven coLp annunciator has turned off Verify Maximum Specified Power is Available at the Maximum Frequency This procedure verifies that there are no unleveled power indications or error messages at the maximum specified frequency and power level 1 Calibrate the power meter with the power sensor Refer to the power meter s manual for assistance 2 Connect the power sensor to the signal generator s RF OUTPUT connector as shown in Figure 1 1 User s Guide 1 7 Preparing for Use ESG Family Signal Generators Verifying Signal Generator Operation Figure 1 1 Operator s Check Equipment Setup SIGNAL GENERATOR POWER METER 6 Co n 200000 o00000 RF Output Sensor POWER SENSOR pk718a Preset the signal generator to the factory defined conditions a Press Utility gt Power On Preset and toggle Preset until Normal is highlighted b Press Preset Set the signal generator to its maximum specified frequency a Press Frequency b Use the numeric keypad to enter the signal generator s maximum specified frequency as shown in Table 1 2 c Terminate your entry by pressing the GHz softkey Set the signal generator to its maximum specified power level a Press Amplitude b Use the numeric keypad to enter the signal generator s maximum specified power level as shown in Table 1 2 c Terminate your entry by pressing the dBm softke
190. ns that can be enabled Software options are linked to specific hardware options Before a software option can be enabled the appropriate hardware option must be installed For example Option UN5 Multi Channel CDMA requires that Option UND Internal Dual Arbitrary Waveform Generator be installed If the software option that you intend to install is listed in a grey font the required hardware may not be installed Look for an X in the Selected column of the appropriate hardware option in the Hardware Options menu 3 To enable the software option highlight the desired option using the up down arrow keys or the front panel knob 4 Press Modify License Key Enter the 12 character license key from your license key certificate using the softkeys and numeric keypad When you have finished press the Enter terminator softkey 5 Press Proceed With Reconfiguration gt Confirm Change to verify that you do want to reconfigure the signal generator with the options for which you have provided a license key The instrument will enable the options and reboot User s Guide 2 15 Using Functions ESG Family Signal Generators If You Encounter a Problem If You Encounter a Problem If the signal generator is not operating as you expected look for help in the following list of symptoms and possible solutions If you do not find a solution here refer to the service guide No RF Output The front panel RF On Off key must be set to On
191. nstallation 1 2 front panel knob 3 5 front panel overview 3 2 FSK softkey 4 119 Function Generator softkey 4 52 FWCDMA softkey 4 120 G German Regulation on Noise Declaration for Machines 6 9 Goto Bottom Row softkey 4 100 Goto Middle Row softkey 4 101 Goto Row softkey 4 101 Goto Top Row softkey 4 101 H handles front 1 2 hardkey descriptions 4 1 hardkeys 3 4 4 20 M 4 67 AM 4 2 Ampl 4 13 Amplitude 3 6 4 19 arrow 3 4 contrast decrease 3 4 contrast increase 3 4 display contrast decrease 3 4 4 21 display contrast increase 4 21 FM 422 Freq 4 34 Frequency 3 6 4 38 Help 3 3 4 39 Hold 3 5 4 40 1 Q 4 42 Incr Set 3 6 4 41 LF Out 4 51 Local 4 63 menus 3 6 Mod On Off 3 3 4 64 Mode 4 65 numeric 3 4 Preset 3 4 4 81 Pulse 4 82 Recall 3 6 4 86 Return 4 89 RF On Off 3 4 4 90 Save 3 6 4 91 Sweep List 4 96 Trigger 3 3 4 109 up arrow 4 20 Utility 4 111 hardware option enabling 2 13 H ardware Options softkey 4 120 Help hardkey 3 3 4 39 help mode changing 4 120 turning off 2 18 Help Mode Single Cont softkey 4 120 High Crest Mode Off On softkey 4 45 Hold hardkey 3 5 4 40 HP sales and service offices 2 21 HP8648A B C D softkey 4 121 HP8656B 8657A B softkey 4 121 HP8657D NADC softkey 4 121 HP8657D PDC softkey 4 122 HP8657 PHS softkey 4 122 HP IB address 1 6 HP IB Address softkey 4 122 HP IB connector 3 13 HP I
192. nter the desired dwell time using the up and down arrow keys the front panel knob or enter a value using the numeric keypad and press the sec or msec terminator softkey The range of values allowed is 1 ms through 60 sin 1 ms increments Dwell timeis used when the point trigger is Immediate The dwell time is the amount of time the sweep is guaranteed to pause after setting the frequency and power for the current sweep list point Softkey Location Sweep List gt Configure Step Sweep gt Step Dwell Press this softkey to store the current list sweep data toa filein internal non volatile memory Press Store To File and you will automatically enter the editing mode to create a file name The file name can consist of up to 23 alpha numeric and special characters The following steps show you how to create the following example filename FREQ 1453 TO 1465 MHZ The following example uses softkeys to enter the file name You can also use a combination of the front panel knob and the arrow keys to accomplish the same function 1 Press the softkey labeled ABCDEFG A menu is revealed containing a softkey for each alphabetic character from A through G 4 105 Hardkey and Softkey Reference ESG Family Signal Generators Sweep List Sweep 2 Press the softkey labeled F An F is entered as the first character in your file name Notice that the active entry area now shows Store to Fy 3 Enter an R in the file name by pressing the OPQRSTU
193. nts with Option UND or UN8 If you configure your instrument with Option 1EM this output is changed from a BNC to an SMB connector With Option 201 you can select from several different output signals for this connector 8 TRIGGER OUT Connector This female BNC connector outputs a TTL signal that is asserted high at the start of a dwell sequence or at the start of waiting for the point trigger in manual sweep mode and low when the dwell is over or when the point trigger is received or once per sweep during an LF sweep The logic polarity can be reversed 9 TRIGGER IN Connector This female BNC connector accepts a TTL signal for triggering operations such as point to point in manual sweep mode or an LF sweep in external sweep mode Triggering can occur on either the positive or negative edge The damage level is gt 10 V or lt 4 V 10 10 MHz IN Connector This female BNC connector accepts a 3 5 to 20 dBm signal from an external timebase reference that is within 10 ppm standard timebase or 1 ppm high stability timebase The nominal input impedance is 50Q The signal generator detects when a valid reference signal is present at this connector and automatically switches from internal to external reference operation 11 10 MHz OUT Connector This female BNC connector provides a nominal signal level of 7 dBm 2 dB and an output impedance of 509 The accuracy is determined by the timebase used 3 14 User s Guide ESG F
194. o rear panel connector pk763a User s Guide 3 13 Front and Rear Panel ESG Family Signal Generators Rear Panel Overview 5 DATA CLK OUT Connector The DATA CLK OUT connector outputs a clock signal for digital modulation data The output signal level is TTL or CMOS with the rising edge aligned with the beginning of the data bit and the falling edge occurring when the data and symbol synchronization signal are valid The damage levels are gt 8 and lt 4 V This female BNC connector is provided only on instruments with Option UND or UN8 If you configure your instrument with Option 1EM this output is changed from a BNC to an SMB connector With Option 201 you can select from several different output signals for this connector 6 SWEEP OUT Connector This female BNC connector provides a voltage range of 0 to 10 V When the signal generator is sweeping the SWEEP OUT signal ranges from 0 V at the beginning of the sweep to 10 V at the end of the sweep regardless of the sweep width In CW mode this connector has no output The output impedance is less than 1Q and can drive 2 kQ 7 DATA OUT Connector The DATA OUT connector outputs digital modulation data sourced from an externally supplied signal at the DATA input or from the internal pattern generator The output signal level isa TTL or CMOS signal wherea CMOS high is equivalent toa data 1 and a CMOS low is equivalent to a data 0 This female BNC connector is provided only on instrume
195. o the falling edge Default Value Pos Softkey Location Utility gt Instrument Adjustments gt Signal Polarity Setup gt Data Clock Out Polarity Neg Pos Data Clock Polarity Neg Pos Option UN8 This softkey in the Signal Polarity Setup menu is used to configure the polarity of the TTL signal at the DATA CLOCK connector Pos refers to the rising edge while Neg refers to the falling edge Default Value Pos Softkey Location Utility gt Instrument Adjustments gt Signal Polarity Setup gt Data Clock Polarity Neg Pos Data Out Polarity Neg Pos Option UN8 This softkey in the Signal Polarity Setup menu is used to configure the polarity of the TTL signal at the DATA OUT connector Pos refers to normal logic while Neg refers to inverted logic Default Value Pos Softkey Location Utility gt Instrument Adjustments gt Signal Polarity Setup gt Data Out Polarity Neg Pos User s Guide 4 115 Hardkey and Softkey Reference ESG Family Signal Generators Utility Data Polarity Neg Pos Option UN8 This softkey in the Signal Polarity Setup menu is used to configure the polarity of the TTL signal at the DATA connector Pos refers to normal logic while Neg refers to inverted logic Default Value Pos Softkey Location Utility gt Instrument Adjustment gt Signal Polarity Setup gt Data Polarity Neg Pos Delete All Files CAUTION Press this softkey to delete all of the files in the displayed catalog of files You
196. odulation setting 2 5 power level frequency modulation setting 2 7 power levels setting 2 2 Power On Last Preset softkey 4 128 power on symbol 6 3 Power On Preset softkey 4 128 power output 4 19 power receptacle 3 13 power search 4 17 4 44 Power Search Manual Auto softkey 4 18 4 48 Power i Reference Fixed Modulated softkey 4 1 Power Search softkey 4 18 power supply shut down 2 17 power switch 3 5 4 80 power setting 2 2 PRAM 5 2 preparing for use 1 1 Preset hardkey 3 4 4 81 Preset Language softkey 4 129 Preset List softkey 4 105 Preset Normal User softkey 4 129 problems with operation 2 16 Proceed With Reconfiguration softkey 4 129 programming language 1 6 PULSE annunciator 3 10 Pulse hardkey 4 82 PULSE IN connector 3 7 pulse modulation 4 82 internal rectangular 4 83 internal squarewave 4 83 Pulse Off On softkey 4 83 Pulse Rate softkey 4 84 Pulse softkey 4 60 Pulse Source softkey 4 84 Pulse Width softkey 4 85 pulsed LF output 4 60 Q Q INPUT connector 3 5 Q Offset softkey 4 49 Q OUT connector 3 18 Quadrature Skew softkey 4 49 R R annunciator 3 10 rack mount flanges installation 1 2 RAM based memory 5 2 Ramp softkey 4 10 4 31 4 60 RCDMA softkey 4 130 rear panel overview 3 12 Index Recall hardkey 3 6 4 86 Recall Ref Osc Setting softkey 4 130 Recall Reg softkey 4 87 recalling instrument states 2 12 Receive Pace None Xon softkey 4 130 Re
197. on UN8 This softkey in the Signal Polarity Setup menu is used to restore the instrument s default signal polarities Softkey Location Utility gt Instrument Adjustments gt Signal Polarity Setup gt Restore Default Signal Polarities Reverse Power Protection Normal 8648 Toggles the reverse power protection mode between the normal mode for the signal generator and the 8648 compatible mode When you have selected Normal and you trip the reverse power protection circuit a caution message is displayed and the front panel is locked Eliminate the source of the excess reverse power detected at the RF OUTPUT connector Then press the Reset RPP softkey to continue normal signal generator operation When you have selected 8648 and you trip the reverse power protection circuit a caution message is displayed and the front panel is locked However any command sent over GPIB will reset the RPP circuit and return you to normal signal generator operation This mode is provided for compatibility with systems that use the 8648 It is only available when you have selected 8648A B C D remote language At all other times reverse power protection is set to Normal Operate in this mode with caution Repeatedly tripping the RPP can cause damage to the signal generator It is still best to eliminate the source of the excess reverse power and then reset the reverse power protection circuit by pressing the Reset RPP softkey The RPP reset mode is a persistent
198. on from the internal baseband generator The nominal output impedance of this connector is 50Q DC coupled The damage levels are gt 2 V and lt 2 V The DC origin offset is typically lt 10 mV The output signal levels into a 50Q load are as follows e 0 5 Vox typical corresponds to one unit length of the I Q vector e 0 69 Vpk 2 84 dB typical maximum crest factor for peaks for 7 4 DQPSK with alpha 0 5 e 0 71 Vpk 3 08 dB typical maximum crest factor for peaks for x 4 DQPSK with alpha 0 35 e Typically 1 Vp p maximum Option UND only This female BNC connector is provided only on instruments with Option UND or UN8 If you configure your instrument with Option 1EM this output is relocated from a BNC toan SMB connector User s Guide 3 17 Front and Rear Panel ESG Family Signal Generators Rear Panel Overview 20 Q OUT Connector The Q OUT connector outputs the analog quadrature phase component of Q modulation from the internal baseband generator The nominal output impedance of this connector is 509 DC coupled The damage levels are gt 2 V and lt 2 V The DC origin offset is typically lt 10 mV The output signal levels into a 50Q load are as follows e 0 5 Vp typical corresponds to one unit length of the I Q vector e 0 69 Vpk 2 84 dB typical maximum crest factor for peaks for x 4 DQPSK with alpha 0 5 e 0 71 Vp 3 08 dB typical maximum crest factor for peaks for 2 4 DQPSK with alpha 0 35
199. only on instruments with Option 1E 6 User s Guide 3 7 Front and Rear Panel ESG Family Signal Generators Display Annotation Display Annotation Digital Modulation 1 Frequency Area Annunciators 2 Amplitude Area 3 Softkey Labels 7 Annunciators 6 Active Entry Area L UNLOCK EXT REF OVEN COLD ATTEN HOLD UNLEVEL y SWEEP ExT Lo Ext2 Lo BERT am Fm PULSE enver vo ERR OF 5 Text Area 4 Error Message Area 1 Frequency Area The current CW frequency setting is shown in this portion of the display Indicators are also displayed in this area when a frequency offset or multiplier is set or if frequency reference mode is turned on 2 Amplitude Area The current output power level setting is shown in this portion of the display Indicators are also displayed in this area when an amplitude offset is set or if amplitude reference mode is turned on 3 Softkey Labels These labels define the function of the corresponding softkeys immediately to the right of the label 4 Error Message Area Abbreviated error messages are reported in this space When multiple error messages occur only the most recent message remains displayed All of the reported error messages with details can be viewed by pressing Utility gt Error Info gt View Next Error Message 3 8 User s
200. ons Default Value 0 0 deg Softkey Location Q gt 1 Q Adjustments gt Quadrature Skew Revert to Default Cal Settings User s Guide Press this softkey to restore the original factory calibration data for the internal Q modulator The latest calibration data from the user calibration is discarded Although the factory calibration data may not be optimized for the signal generator s present status the data can be used as a starting point if the current data is lost if the 1 Q calibration is unable to execute Softkey Location Q gt 1 Q Calibration gt Revert to Default Cal Settings 4 49 Hardkey and Softkey Reference ESG Family Signal Generators VQ Start Frequency Press this softkey in thel Q Calibration menu to set the start frequency for executing an I Q calibration You can select a portion of the frequency range for an Q calibration by selecting Calibration Type User and setting new start and stop frequencies Limiting the frequency range of the calibration will decrease the time required for the calibration to be executed To enter a frequency rotate the front panel knob until the desired value is displayed use the up and down arrow keys or enter the value using the numeric keypad and press the Hz kHz MHz or GHz terminator softkey This softkey is automatically set to the minimum specified frequency of the signal generator if you have set the Calibration Type User Full softkey to Full entire frequency rang
201. ont panel Frequency and Amplitude keys Softkey Location Sweep List gt Sweep gt Off Press this softkey to view the next page of list sweep points when you are in the Goto Row menu that is accessed from the Configure List Sweep menu If you are in the Load Store menu or the Goto Row menu that is accessed from the Load Store menu you will view the next page of the catalog of list files Softkey Location Sweep List gt Configure List Sweep gt Goto Row gt Page Down Or Sweep List gt Configure List Sweep gt Load Store gt Page Down Or Sweep List gt Configure List Sweep gt Load Store gt Goto Row gt Page Down Press this softkey to view the previous page of list sweep points when you are in the Goto Row menu that is accessed from the Configure List Sweep menu If you are in the Load Store menu or the Goto Row menu that is accessed from the Load Store menu you will view the previous page of the catalog of list files Softkey Location Sweep List gt Configure List Sweep gt Goto Row gt Page Up Or Sweep List gt Configure List Sweep gt Load Store gt Page Up Or Sweep List gt Configure List Sweep gt Load Store gt Goto Row gt Page Up Point Trigger 4 104 Pressing this softkey reveals a menu of choices for triggering a sweep point by point You can choose triggering that occurs after the dwell time for the previous point has passed triggering that is supplied by the GPIB triggering on either the positive or
202. or the value of N refer to Table 4 3 Table 4 3 Carrier Frequency Bands versus Value of N Carrier Frequency N 250 kHz to lt 249 999 MHz 1 gt 249 999 MHz to lt 500 MHz 0 5 gt 500 MHzto lt 1 GHz 1 gt 1 GHzto lt 2 GHz 2 gt 2 GHz to 4 GHz 4 For example if you set up M Path 1 for normal phase modulation with a carrier frequency of 400 MHz and a rate of 100 kHz the maximum peak deviation that you can set is 0 5 value of N times 90 radians resulting in a maximum peak deviation of 45 radians Notice that the new value of M deviation applies only to whichever M path configuration you have currently selected Also M Path 2 is limited to a maximum rate of 1 MHz Also whenever M Path 1 is used with M Path 2 the deviation for M Path 1 must be greater than or equal to the deviation for M Path 2 Default Value 0 radians Softkey Location FM mM hardkey gt FM M softkey gt M Path 1 2 User s Guide ESG Family Signal Generators Hardkey and Softkey Reference Phase Modulation M Dev Couple Off On M Off On User s Guide This softkey toggles the M deviation coupling on and off Turning on M deviation coupling links the M deviation values of M Path 1 and amp M Path 2 When the values are coupled any change you make to one M deviation value is applied to both M deviation values Default Value Off Softkey Location FM mM hardkey gt FM M softkey M gt M Dev Couple Off
203. ored and controlled by the ALC circuit Its purpose is to hold output power at its desired level in spite of drift due to temperature and time There are some modulation conditions which the ALC circuit cannot handle properly which lead to output level errors In these conditions better power level accuracy can be obtained by turning the ALC off and using power search Refer to the Power Search Manual Auto softkey documented in this section for more information about power search ALC off is useful with pulse modulation with a pulse width narrower than 2 us and with certain external 1 Q modulation Pulse modulation is accomplished using a modulator which precedes the ALC detector The ALC must therefore measure a pulsed signal and it is able to do this if the pulse width exceeds 2 us For narrower pulses set the ALC softkey to Off With external 1 Q modulation the ALC loop acts to hold the signal generator s spelt ee ou ae power constant in preg of variations in the 1 Q input power I Rapid variations of 1 Q propagate to the output while slow aie are removed by the ALC loop with a high pass corner of 1 kHz If you do not want this high pass filtering User s Guide ESG Family Signal Generators Hardkey and Softkey Reference 1 Q set the ALC Off On softkey to off With ALC off the Q modulation will be DC coupled Using power search power level accuracy is preserved if JP 0 05 Vims When ALC is off thearc oFF
204. ource to operate as a function generator Default Value 400 0 Hz Softkey Location LF Out gt LF Out Source gt Function Generator gt LF Out Waveform gt Dual Sine gt LF Out Tone 2 Freq 4 58 User s Guide ESG Family Signal Generators Hardkey and Softkey Reference LF Out LF Out Waveform Pressing this softkey reveals a menu of LF output waveform choices for your LF function generator Select from sine dual sine swept sine triangle ramp square pulse noise and DC waveforms This softkey is only active when you have selected the internal source to operate as a function generator Default Value Sine Softkey Location LF Out gt LF Out Source gt Function Generator gt LF Out Waveform LF Out Width Noise User s Guide Use this softkey to change the pulse width for the pulsed low frequency waveform To change the width press the softkey once The current value for pulse width is displayed in the active entry area To enter a new value rotate the front panel knob until the desired value is displayed use the up and down arrow keys or enter the value using the numeric keypad and press the usec or msec terminator softkey The range of values allowed is from 8 us to a maximum of the value for the pulse period This softkey is only active when you have selected the internal source to operate as a function generator and when the LF Out waveform is specified as pulse Default Value 40 us Softkey Location
205. ously Stored Instrument States are Empty The save recall registers are backed up by a battery when AC power to the signal generator is not connected The battery may need to be replaced To verify that the battery has failed turn off line power to the signal generator and unplug it Then plug in the instrument and cycle power on If either error message 311 or 700 is stored in the error message queue your battery has failed Refer to the service guide for battery replacement instructions Saved an Instrument State in a Register but the Register is Empty or Contains the Wrong State If you have intentionally or unintentionally selected a register number that is greater than 99 the signal generator will automatically select register 99 to save your instrument state If the register number you intended to use is empty or contains the wrong instrument state recall register 99 as the instrument state may be saved there The Power Supply has Shut Down If the power supply is not working it requires repair or replacement There is no user replaceable power supply fuse Refer to the service guide for instructions User s Guide 2 17 Using Functions ESG Family Signal Generators If You Encounter a Problem Incorrect List Sweep Dwell Time If the signal generator does not dwell for the correct period of time at each sweep list point first check the sweep list dwell values for accuracy Press Sweep List gt Configure List Sweep and
206. own arrow keys or enter the value using the numeric keypad and press the Enter terminator softkey The range of values allowed is 1 through 12 hours in 1 hour increments Screen saver delay is a persistent state it is not affected by an instrument preset or by a power cycle Softkey Location Utility gt Display gt Screen Saver Delay 4 135 Hardkey and Softkey Reference ESG Family Signal Generators Utility Screen Saver Mode This softkey toggles between Light Only and Light amp Text mode for the screen saver When you set the screen saver to Light Only only the display light is turned on and off When you set the screen saver to Light amp Text the display light and the text are turned on and off Screen saver mode is a persistent state it is not affected by an instrument preset or by a power cycle Softkey Location Utility gt Display gt Screen Saver Mode Screen Saver Off On Select Item 4 136 This softkey toggles the signal generator s screen saver on and off With the screen saver on the display is turned off after a period of time with noinput from the front panel The display turns back on when any front panel key is pressed The screen saver is set to off at the factory You can turn it on by pressing Utility gt Display Screen Saver Each time you press Screen Saver Off On the selection toggles between Off and On You can adjust the screen saver mode to turn the light on and off or to turn both the lig
207. panel hardkey to change the incremental value of the up and down arrow keys for the current active function For example press Frequency to make it the active function The current frequency is shown in the active entry area The incremental value for frequency is set to 1 MHz at the factory Press Incr Set and the incremental value of the up and down arrow keys for frequency becomes the active function You can change the value by using three different methods e Usetheup and down arrow keys The arrow keys will change the incremental value in steps equal to the current incremental value in this example these are 1 MHz steps e Usethe front panel knob e Usethenumeric keypad and complete your entry with a terminator softkey Press Incr Set again and the active function toggles making frequency the active function again Incremental values are persistent states they are not affected by an instrument preset or by a power cycle 4 41 Hardkey and Softkey Reference ESG Family Signal Generators Q 1 Q ALC Off On 4 42 This front panel hardkey and its menus are only available on ESG D and ESG DP Series Signal Generators The softkeys in the Q menus are described in this section in alphabetical order MENUS Dooce pk733a Press this softkey to Toggle the automatic leveling control ALC circuit off and on TheALC is normally on The RF output power of the signal generator is constantly monit
208. ption UN8 This softkey in the Signal Polarity Setup menu is used to configure the polarity of the TTL signal at the SYMBOL SYNC OUT connector Pos refers to normal logic while Neg refers to inverted logic Default Value Pos Softkey Location Utility gt Instrument Adjustments gt Signal Polarity Setup gt Symbol Sync Out Polarity Neg Pos Symbol Sync Polarity Neg Pos Option UN8 4 138 This softkey in the Signal Polarity Setup menu is used to configure the polarity of the TTL signal at the SYMBOL SYNC connector Pos refers to normal logic while Neg refers to inverted logic Default Value Pos Softkey Location Utility gt Instrument Adjustments gt Signal Polarity Setup gt Symbol Sync Polarity Neg Pos User s Guide ESG Family Signal Generators Hardkey and Softkey Reference Utility Transmit Pace None Xon This softkey in the RS 232 Pace menu determines whether any pacing is acknowledged by the RS 232 transmit channel If Xon pacing is used the system will suspend transmitting data upon receiving an Xoff character until an Xon character is received The signal generator may not be responsive to other channels or to the front panel while transmission is suspended Xon pacing is not recommended if binary data will be sent to the signal generator via RS 232 Toggle Transmit Pace None Xon to None to turn off Xon pacing Pace is a persistent state it is not affected by an instrument preset or by a power cycle Sof
209. put to your M Path 2 configuration For the purposes of this discussion the external 2 AC coupled input is the same as the external 2 DC coupled source Softkey Location FM M hardkey gt FM M softkey 6M gt M Source gt Ext 2 AC Coupled Ext 2 DC Coupled This softkey lets you input an external DC coupled phase modulation signal tothe EXT 2 INPUT connector The external 2 input has multiple uses but can be used for only one modulation at a time If for example you were using the external 2 input in an amplitude modulation configuration for AM Path 1 and then you configured M Path 2 to also use the external 2 input the signal generator would turn off AM Path 1 and assign the external 2 input to your M Path 2 configuration For the purposes of this discussion the external 2 AC coupled input is the same as the external 2 DC coupled source Softkey Location FM M hardkey gt FM M softkey 6M gt M Source gt Ext 2 DC Coupled FM M Normal High BW 4 76 This softkey toggles between the menus for FM normal M and wideband M Normal M lets you set the phase deviation as high as N x 90 radians with a 3 dB bandwidth of 100 kHz Wideband M provides increased bandwidth while restricting the maximum deviation to deviation settings up to 2 2 radians 90 The modulation bandwidth is typically 6 MHz For deviation settings between 2 2 and 27 radians 360 the modulation bandwidth is typically 1 5 MHz These increased
210. r where the frequency and shape of the signal is set by the internal source as it is being used by a modulation For example if the internal source is currently assigned to an AM path configuration and AM is turned on the signal output at the LF OUTPUT connector will have the frequency and shape of the amplitude modulating signal You can scale the amplitude of the output signal using the LF Out Amplitude softkey For internal square pulse modulation the internal source is a sinewave which is later squared by the modulator to generate the pulse squarewave The LF OUTPUT signal for this internal source therefore is a sinewave For internal pulse modulation a true variable width pulse will be seen on the LF OUTPUT Softkey Location LF Out gt LF Out Source gt Internal Modulation LF Out Amplitude LF Out Freq User s Guide Use this softkey to scale the output of the signal at the LF OUTPUT connector To change the value press the softkey once The current value for LF output amplitude is displayed in the active entry area To enter a new value rotate the front panel knob until the desired valueis displayed use the up and down arrow keys or enter the value using the numeric keypad and press the v or mv terminator softkey The range of values allowed is 0 to 5 Vpk in increments from 1 mV to5 V Default Value OV Softkey Location LF Out gt LF Out Amplitude Use this softkey to set the modulating frequency for the LF output
211. r LED 16 Standby LED 18 Power Switch 33 SYMBOL SYNC Input Connector 32 DATA CLOCK L 31 DATA Input Connector 19 Q INPUT Connector 20 1 INPUT Connector 9 Numeric Keypad 12 Display Contrast Decrease Key 29 Incr Set Key L 13 Display Contrast Increase Key L 10 Arrow Keys 14 Local Key L 22 Hold Key 15 Preset Key 11 Return Key 34 PULSE IN Connector User s Guide ESG Family Signal Generators Front and Rear Panel Front Panel Overview 1 EXT LINPUT Connector This female BNC input connector accepts a 1 V signal for FM M and AM For all these modulations 1 Vpk produces the indicated deviation or depth When AC coupled inputs are selected for FM M or AM HI LO annunciators will light if the peak input voltage differs from 1 0 V by more than 3 The input impedance is 509 The damage levels are 5 Vrms and 10 Vpk If you configure your signal generator with Option 1EM this input is relocated to a rear panel female BNC connector 2 EXT 2 INPUT Connector This female BNC input connector accepts a 1 Vpk signal for FM M AM and pulse modulation With FM M or AM 1 Vpk produces the indicated deviation or depth With pulse modulation 1 V is on and 0 V is off When AC coupled inputs are selected for FM M or AM HI LO annunciators will light if the peak input volta
212. r On Preset gt Preset Language gt 8656B 8657A B Or Utility gt GPIB RS 232 gt Remote Language gt 8656B 8657A B 8657D NADC Option UN8 User s Guide This softkey is one of the choices in both the Preset Language menu and the Remote Language menu The 8657D NADC softkey is a language choice for the signal generator that is compatible with the remote language commands used by the 8657D with NADC digital modulation capabilities Choosing 8656D NADC in the Preset Language menu allows you to select this remote language as the default after a normal preset Choosing 8656D NADC in the Remote Language menu allows you to immediately change the signal generator to use this remote language Softkey Location Utility gt Power On Preset gt Preset Language gt 8657D NADC Or Utility gt GPIB RS 232 gt Remote Language gt 8657D NADC 4 121 Hardkey and Softkey Reference ESG Family Signal Generators Utility 8657D PDC Option UNS8 This softkey is one of the choices in both the Preset Language menu and the Remote Language menu The 8657D PDC softkey is a language choice for the signal generator that is compatible with the remote language commands used by the 8656D with PDC digital modulation capabilities Choosing 8657D PDC in the Preset Language menu allows you to select this remote language as the default after a normal preset Choosing 8657D PDC in the Remote Language menu allows you to immediately change the signal generator to
213. rast Keys Display Contrast Keys User s Guide A Ni po B 2 Preset Local 9a Oo con A of j i f F we y G ee Oo j 9 Po e You can adjust the contrast of the display by pressing the decrease contrast key or the increase contrast key Ot Pressing the decrease contrast key and holding it down causes the display background to gradually darken in comparison to the text on the display The minimum contrast setting is not a completely black display Some contrast between the background and the text will still be visible Pressing the increase contrast key and holding it down causes the display background to gradually brighten in comparison to the text on the display If the background does not appear to change it is probably set to the maximum contrast Display contrast is a persistent state it is not affected by an instrument preset or by a power cycle 4 21 Hardkey and Softkey Reference ESG Family Signal Generators FM FM Bus Pressing the front panel FM oM key reveals a menu of softkeys The softkeys for FM are described in this section in alphabetical order For a description of the M softkeys refer to the Phase M odulation section in this chapter MENUS ee aa a a pk729a This softkey is one of the choices in the FM Sweep Trigger menu With Bus Selected you use the GPIB to trigger single sweeps of swept sine frequency modulation
214. re phase component of 1 Q modulation The signal level is P 0 5 Vrms for a calibrated output level The input impedance is 509 The damage level is 1 Vrms This female BNC connector is provided only on ESG D and ESG DP Series Signal Generators If you configure your instrument with Option 1EM this input is relocated to a rear panel female BNC connector 20 INPUT Connector This connector accepts an externally supplied analog in phase component of Q modulation The signal level is 0 5 Vrms for a calibrated output level The input impedance is 509 The damage level is 1 Vrms This female BNC connector is provided only on ESG D and ESG DP Series Signal Generators If you configure your instrument with Option 1EM this input is relocated to a rear panel female BNC connector 21 Display The LCD display provides information on the current instrument state such as modulation status frequency and amplitude settings status indicators and error messages Softkey labels corresponding to their adjacent keys are located on the right hand side of the display For details about the display see Display Annotation on page 3 8 22 Hold Key Press this hardkey to deactivate the currently active function and blank the softkey menu Once Hold is pressed the front panel knob the arrow keys and the numeric keypad have no effect To return to normal operation press a function or menu hardkey 23 Softkeys Press a softkey to activat
215. rea of the display but does not affect the output frequency For example if the current output frequency is 1 MHz and you enter a frequency offset of 3 MHz the output frequency will remain at 1 MHz but the display will show a frequency of 4 MHz This feature lets you simulate the frequency at the output of a frequency translating device A frequency offset can be entered at any time during normal operation and also when you are operating in frequency reference mode To enter an offset press Freq Offset and enter the desired frequency value using the up and down arrow keys the front panel knob or enter a value using the numeric keypad and press the Hz kHz MHz or GHz terminator softkey When an offset has been entered the orFrset indicator is turned on in the frequency area of the display Default Value 0 Hz Softkey Location Freq gt Freq Offset 4 35 Hardkey and Softkey Reference ESG Family Signal Generators Freq Freq Ref Off On This softkey toggles the frequency reference mode on and off When frequency reference mode is turned on the frequency value displayed is equal to the current hardware output frequency minus the reference value set by the Freq Ref Set softkey The Freq Ref Set softkey sets the reference value equal to the current output frequency If you have not yet set the reference value the preset value for frequency reference is 0 Hz The REF indicator is turned on in the frequency area of the display All
216. rom either the EXT LINPUT or EXT 2 INPUT connectors The internal modulation is always AC coupled For the externally applied signals you can choose between AC and DC coupled modulation A 1 0 Vpk input is required for calibrated AM depth settings The ExT 1 LO HI and EXT 2 LO HI display annunciators will turn on if the peak input voltage differs from 1 0 Vpk by more than 3 The LO HI annunciators only function for AC coupled external inputs The internal and external 1 and 2 sources have multiple uses You can use them for amplitude frequency and phase modulation For burst modulation you can only use the external 1 source and you must use the external 2 source for pulse modulation However any given source can only be routed to one enabled modulation at a time If for example you were using the external 1 source in a frequency modulation configuration for FM Path 1 and then you configured AM Path 2 to also use User s Guide ESG Family Signal Generators Hardkey and Softkey Reference AM the external 1 source the signal generator would turn off FM Path 1 and assign the external 1 source to your AM Path 2 configuration Notice that for these purposes the external 1 AC coupled source is the same as the external 1 DC coupled source and the external 2 AC coupled source is the same as the external 2 DC coupled source Default Value Internal Softkey Location AM gt AM Source AM Start Rate Use this softkey to change t
217. row keys or enter the value using the numeric keypad and press the dBm dBuV dBuVemf mV uV mVemf Or uVemf terminator softkey Default Value 135 dBm Softkey Location Sweep List gt Configure Step Sweep gt Ampl Start Sets the amplitude of the last point in the sweep You can set the value anywhere in the range of the signal generator s specified output power Press Ampl Stop and amplitude becomes the active function for the last point in the sweep To enter the value rotate the front panel knob until the desired value is displayed use the up and down arrow keys or enter the value using the numeric keypad and press the dBm dBuV dBuVemf mV uV mVemf Or uVemf terminator softkey Default Value 135 dBm Softkey Location Sweep List gt Configure Step Sweep gt Ampl Stop This softkey is one of the choices in both the Sweep Trigger menu and the Point Trigger menu Press either the Sweep Trigger softkey or the Point Trigger softkey to view these menus Choosing Bus in the Sweep Trigger menu allows you to trigger a list or step sweep using the GPIB Choosing Bus in the Point Trigger menu allows you to trigger a sweep point by point using the GPIB via TRG or the GET line Group Execute Trigger Softkey Location Sweep List gt Sweep Trigger gt Bus Or Sweep List gt Point Trigger gt Bus Configure List Sweep User s Guide Reveals a menu of softkeys for defining a list sweep In this menu you can insert and d
218. rs stored in sequence 4 will be deleted Becertain that you want to delete this data you cannot recover it once deleted NOTE This softkey has exactly the same function as the softkey with the identical name in the front panel Save key menu Softkey Location Recall gt Delete All Regs in Seq n Delete All Sequences Press this softkey to delete all of the data in all saved registers of all sequences Be certain that you want to delete the data you cannot recover it once deleted NOTE This softkey has exactly the same function as the softkey with the identical name in the front panel Save key menu Softkey Location Recall gt Delete All Sequences 4 86 User s Guide ESG Family Signal Generators Hardkey and Softkey Reference Recall Delete Seq n Reg nn NOTE Recall Reg User s Guide Press this softkey to delete the contents of a specified register ina specified sequence Do not press this softkey until you have selected the correct sequence and register using the Select Seq and Recall Reg softkeys For example if you want to delete the contents of register 5 in sequence 4 press Select Seq The currently selected sequence is displayed in the active entry area Change the number to 4 using the up and down arrow keys the front panel knob or enter a 4 using the numeric keypad and press the Enter terminator softkey Sequence 4 is now displayed in all softkeys which specify a sequence in this menu Now select register
219. rsor replacing any existing text in that position Softkey Location Save gt Add Comment To Seq n Reg nn gt Editing Keys gt Editing Mode Insert Replace 4 93 Hardkey and Softkey Reference ESG Family Signal Generators Save Save Seq n Reg nn Select Reg 4 94 Press this softkey to save the current instrument state in the specified register and sequence The instrument state includes all of your setup selections except list and step sweep data and functions which are identified in this manual as persistent states Do not press this softkey until you have specified the correct sequence and register using the Select Seq and Select Reg softkeys For example if you want to save to register 5 in sequence 4 press Select Seq The currently selected sequence is displayed in the active entry area Change the number to 4 using the up and down arrow keys the front panel knob or enter a 4 using the numeric keypad and press the Enter terminator softkey Sequence 4 is now displayed in all softkeys which specify a sequence in this menu Now to select register 5 press Select Reg The currently selected register is displayed in the active entry area Change the number to 5 in the same way that you changed the sequence number Register 5 is now displayed in all softkeys which specify a register in this menu Now press Save Seq 4 Reg 05 and the current instrument state will be stored in register 5 of sequence 4 There are 100 registers a
220. rt the calibration the previous calibration is restored Softkey Location Q gt 1 Q Calibration gt Execute Cal Press this softkey to change the burst source for modulation toa DC coupled analog input using the EXT 1 INPUT connector Using this selection the bursted output signal will have the same shape as the analog input If you do not have Option UN8 this is the only burst source and it cannot be changed If you have Option UN8 the burst source can also be set to an internal source refer to the Int Burst softkey Softkey Location Q gt Burst Source gt Ext1 DC User s Guide ESG Family Signal Generators Hardkey and Softkey Reference Ext 1 Q 1 Q Press this softkey to change the I Q source to externally supplied and Q signals Apply the in phase and quadrature phase signals to the INPUT and Q INPUT connectors The recommended signal level is JP Q 0 5 Vrms With equal levels at and Q as is usually the case this is equivalent to 0 35 V7 simultaneously at and Q For typical mt 4DQPSK signals a 0 35 V ms waveform will be approximately 1 3 Vp p whereas for GMSK it will be 1 0 Vp p If you do not have Option UN8 this is the only 1 Q source and it cannot be changed If you have Option UN8 the I Q source can also be set to an internal 1 Q source refer to the Int Burst softkey Softkey Location Q gt I Q Source gt Ext I Q Ext 1 Q Phase Polarity Normal Invert Press this softkey to toggle betwe
221. rument states in a combination of 100 memory registers and 10 register sequences The number of states you can save however is limited by the size of whatever else is stored in the file system 31 DATA Input Connector The TTL CMOS compatible DATA connector accepts an externally supplied data input for digital modulation applications The expected input is a TTL or CMOS signal wherea CMOS high is equivalent to a data 1 and a CMOS low is equivalent toa data 0 The maximum input data rate is 50 Mb s if the user supplies the data If the signal generator is supplying any of the data the maximum rate is 5 Mb s The leading edges must be synchronous with the DATA CLOCK rising edges The data must be valid on the DATA CLOCK falling edges The damage levels are gt 8 and lt 4V This female BNC connector is provided on instruments with Option UN8 It is also present but not functional on instruments with Option UND On instruments with Option 1EM this input is relocated to a rear panel SMB connector 3 6 User s Guide ESG Family Signal Generators Front and Rear Panel Front Panel Overview 32 DATA CLOCK Input Connector The TTL CMOS compatible DATA CLOCK connector accepts an externally supplied data clock input for digital modulation applications The expected input isa TTL or CMOS signal either bit or symbol where the rising edge is aligned with the beginning data bit The CMOS falling edge is used to clock the DATA and SYMBOL SYNC signa
222. s set to On An annunciator is always turned on in the display to indicate whether modulation is turned on or off User s Guide 3 3 Front and Rear Panel ESG Family Signal Generators Front Panel Overview 7 RF OUTPUT Connector This female Type N connector is the output connector for RF signals The source impedance is 509 The damage levels are 50 Vdc 50 W at lt 2 GHz and 25 W at gt 2 GHz maximum The reverse power protection circuit will trip however at nominally 1 watt If you configure your signal generator with Option 1EM this output is relocated to a rear panel female Type N connector 8 RF On Off Key This hardkey toggles the RF signal on and off at the RF OUTPUT connector An annunciator is always turned on in the display to indicate whether RF is turned on or off 9 Numeric Keypad The numeric keypad consists of the digit keys 0 through 9 a decimal point key anda backspace key The backspace key has dual functions for both backspacing and for changing the sign of a value between positive and negative Use these keys whenever the active function requires a value input 10 Arrow Keys The up and down arrow keys increase or decrease a numeric value You can also use these keys to scroll through displayed lists to select items The left and right arrow keys choose the highlighted digit in the active function display that digit can be modified by the up and down arrow keys or the knob You can also use these keys in
223. s within the specified range The available AC power source must meet the following requirements Voltage e 100 115 volts nominal 90 132 volt range e 230 240 volts nominal 198 254 volt range Frequency e for 100 115 volts 50 60 400 Hz nominal e for 230 240 volts 50 60 Hz nominal Power e 200 watts maximum WARNING This is a Safety Class 1 Product provided with a protective earthing ground incorporated in the power cord The mains plug shall only be inserted in a socket outlet provided with a protective earth contact Any interruption of the protective conductor inside or outside of the product is likely to make the product dangerous Intentional interruption is prohibited CAUTION Always use the three prong AC power cord supplied with this product Failure to ensure adequate earth grounding by not using this cord may cause product damage Verify that the power cable is not damaged and that the power source socket outlet provides a protective earth contact Install the instrument so that the detachable power cord is readily identifiable and is easily reached by the operator The detachable power cord is the instrument disconnecting device It disconnects the mains circuits from the mains supply before other parts of the instrument The front panel switch is only a standby switch and is not aLINE switch Alternatively an externally installed switch or circuit breaker which is readily identifiable and easily reached by the operator
224. se this setting with a 3 wire connection RTS is a persistent state it is not affected by an instrument preset or by a power cycle Softkey Location Utility gt GPIB RS 232 gt RS 232 Pace gt RTS CTS gt RTS CTS Pacing Press this softkey to turn the RTS line on In this mode the instrument will ignore the state of the CTS line 3 wire connection This setting is intended for use with an 83300A Remote Interface but it will also work with a 3 wire connection RTS On is the default setting for the signal generator RTS is a persistent state it is not affected by an instrument preset or by a power cycle Softkey Location Utility gt GPIB RS 232 gt RS 232 Pace gt RTS CTS gt ON Press this softkey to set the current catalog type toRWCDMA and display the catalog of RWCDMA files Softkey Location Utility gt Memory Catalog gt Catalog Type gt ARB Catalog Types gt RWCDMA User s Guide ESG Family Signal Generators Hardkey and Softkey Reference Utility Save User Preset SCPI Use this softkey to establish your user defined preset state Set up all of the instrument state conditions that you want for your unique preset state When you have defined the instrument state to suit your needs press Save User Preset Only one user defined preset state is allowed so when you save the instrument state you will save over any previously saved state Your instrument state will be recalled by the signal generator any time you
225. signal generator If a software option is disabled but should be enabled try the following suggestions for resolution e Verify that the optional hardware is installed e Verify that the hardware option is enabled e Verify that the software option is enabled with the correct license key Refer to your License K ey Certificate for the correct license key or if your option was installed by Agilent Technologies contact your local service office with the instrument model number the host ID and the software option that should be enabled 2 16 User s Guide ESG Family Signal Generators Using Functions If You Encounter a Problem No Modulation at the RF Output Although you can set up and enable various modulations the RF carrier is modulated by the enabled modulation only when you have also set Mod On Off to On Check the annunciator on the display If it reads mop oFF press the Mod On Off key once to toggle the modulation on Can t Turn Off Sweep Mode In the sweep mode menu you can choose to set the sweep to various sweep types or to turn sweep off Press Sweep List gt Sweep and choose off from the sweep mode selections Recalled a Register and Sweep List is Missing Sweep information is not stored as part of the instrument state in a storage register Only the current step and list sweep is available to the signal generator and it cannot be stored nor will it survive a factory preset All of the Registers Where You Previ
226. signal when you have selected the internal source as a function generator To change the frequency press the softkey once The current modulating frequency is displayed in the active entry area To enter a new frequency rotate the front panel knob until the desired value is displayed use the up and down arrow keys or enter the value using the numeric keypad and press the Hz or kHz terminator softkey The range of frequencies allowed is 0 1 Hz to 10 kHz 0 1 Hz to 50 kHz is the range allowed if sinewave is selected as the internal waveform This softkey is only active when you have selected the internal source to operate as a function generator Default Value 400 Hz Softkey Location LF Out gt LF Out Source gt Function Generator gt LF Out Freq 4 53 Hardkey and Softkey Reference ESG Family Signal Generators LF Out LF Out Off On This softkey toggles on and off the output of the selected source at the LF OUTPUT front pane connector You can choose either the modulation signal generated by the internal source or you can use the low frequency source as a function generator and select that signal to output at the LF OUTPUT connector Refer to the description of the LF Out Source softkey in this section for more information on choosing the source Once you have toggled this state on the signal is immediately available at the LF OUTPUT connector The Mod On Off and RF On Off keys do not apply to this state Default Value Off
227. sociation 6 3 carrier frequency amplitude modulation setting 2 5 carrier frequency frequency modulation setting 2 7 Catalog Type softkey 4 113 catalogs copying files 5 4 deleting files 5 4 renaming files 5 4 viewing files 5 3 caution sign 6 2 CDMA softkey 4 113 CE mark 6 3 certificate license key 2 15 certification 6 7 specifications 6 7 changing signs 4 66 cleaning 1 4 Clear Error Queue s softkey 4 113 Clear Text softkey 4 92 4 114 COHERENT CARRIER OUT connector 3 15 compliance statement of 6 5 compliance with German noise requirements 6 9 Configure List Sweep softkey 4 97 Configure Step Sweep softkey 4 98 configuring a list sweep using step sweep data 2 10 connectors 3 13 3 19 10 MHZIN 3 14 10 MHz OUT 3 14 321 4 MHZIN 3 19 ALT PWRIN 3 15 AUXILIARY INTERFACE 3 13 BASEBAND GEN REF IN 3 17 BER CLK IN 3 19 Index BER DATA IN 3 19 BER ERR OUT 3 18 BER GATE IN 3 19 BER MEAS END 3 18 BER NO DATA 3 18 BER SYNC LOSS 3 19 BER TEST OUT 3 18 BURST GATE IN 3 15 COHERENT CARRIER OUT 3 15 DATA 3 6 DATA CLK OUT 3 14 DATA CLOCK 3 7 DATA OUT 3 14 EVENT 1 3 16 EVENT 2 3 16 EXT 1 INPUT 3 3 EXT 2 INPUT 3 3 HP IB 3 13 INPUT 3 5 OUT 3 17 LF OUTPUT 3 3 PATTERN TRIGIN 3 15 PULSE IN 3 7 Q INPUT 3 5 Q OUT 3 18 RF OUTPUT 3 4 RS 232 3 13 SWEEP OUT 3 14 SYMBOL SYNC 3 7 SYMBOL SYNC OUT 3 13 TRIGGER IN 3 14 TRIGGER OUT 3 14
228. softkey and then pressing the R softkey Enter an E and a Q 4 Next enter a space by pressing the amp softkey and then pressing Enter the value 1453 using the numeric keypad Enter another space and the letters TO Enter another space and the value 1465 Enter another space and the letters MHZ Oo ON OD WU Now press the Enter terminator softkey and the list sweep data is saved with the filename FREQ 1453 TO 1465 MHZ The characters eLIST are automatically appended to the file name as file type identification Softkey Location Sweep List gt Configure List Sweep gt Load Store gt Store To File Pressing this softkey reveals a menu of choices for determining the sweep parameters In this menu you can choose to sweep frequency only amplitude only or both frequency and amplitude You can also choose to turn off all sweep functions Default Value Off Softkey Location Sweep List gt Sweep Sweep Direction Down Up This softkey changes the direction of the sweep Choose Up to sweep from the first point in the list to the last point or from the step sweep start frequency and amplitude to the stop frequency and amplitude Choose Down to reverse the direction of the sweep Default Value Up Softkey Location Sweep List gt Sweep Direction Down Up Sweep Repeat Single Cont 4 106 Toggles the sweep repetition between single sweep or continuous sweep types The sweep and point triggers will the
229. softkey for swept sine AM FM and M and to the Ext Neg and Ext Pos sweep trigger selections in the Sweep List Menu If you set the Trigger In Polarity Neg Pos softkey in the LF Out Swept Sine Menu toNeg the Trigger In Polarity Neg Pos softkey is also set to Neg for swept sine AM FM and M In addition if the step or list sweep is set to externally trigger the selection will automatically be set to Ext Neg The same softkeys will toggle to Pos or to Ext Pos if you select Pos in the Swept Sine LF Out Menu Conversely if the Trigger In Slope Neg Pos softkey is toggled in the swept sine AM FM or M menus it will cause the swept sine LF Out softkey to toggle also This is also true for the Ext Neg and Ext Pos step or list sweep trigger selections This softkey is only active when you have selected the internal source to operate as a function generator Default Value Pos Softkey Location LF Out gt LF Out Source gt Function Generator gt LF Out Waveform gt Swept Sine gt LF Out Sweep Trigger gt Ext gt Trigger In Polarity Neg Pos 4 61 Hardkey and Softkey Reference ESG Family Signal Generators LF Out Trigger Key This softkey is one of the choices in the LF Output Sweep Trigger menu With Trigger Key selected when you press the Trigger front panel key you immediately trigger a single sweep of swept sine low frequency output The Trigger key has autorepeat capability Hold it down and you will repeatedly trigger s
230. ssages When the front panel error queue overflows error messages are deleted beginning with the oldest ones first When the SCPI error queue overflows newer error messages are not recorded You can scroll through the error messages in reverse order Refer to the View Previous Error Message softkey description Softkey Location Utility gt Error Info gt View Next Error Message View Previous Error Message If the ERR annunciator is turned on in the display you have at least one error message stored in the error message queue Use this softkey to display the newest error message first Continue pressing this softkey to view additional error messages in order of newest to oldest Press any front panel key to remove the error message from the display and return to normal signal generator operation Softkey Location Utility gt Error Info gt View Previous Error Message WCDMA Press this softkey to set the current catalog type to WCDMA and display the catalog of WCDMA files Softkey Location Utility gt Memory Catalog gt Catalog Type gt ARB Catalog Types gt WCDMA White Pixels Screen Test 4 140 This softkey is provided for factory usein testing the display Pressing this softkey sets all of the pixels on the display to white Pressing the front panel Local key returns the display to normal operation Softkey Location Utility gt Display gt White Pixels Screen Test User s Guide ESG Family Signal Generators
231. st Step 4 99 Edit Item 4 99 Editing Keys 4 93 4 118 Editing Mode Insert Replace 4 93 4 118 Error Info 4 119 Event 1 Polarity Neg Pos 4 119 Event 2 Polarity Neg Pos 4 119 Execute Cal 4 44 Ext 4 8 4 23 4 52 4 74 Ext 1 AC Coupled 4 8 4 23 4 75 Ext 1 DC Coupled 4 8 4 23 4 75 Ext 2 AC Coupled 4 9 4 24 4 76 Ext 2 DC Coupled 4 9 4 24 4 76 Ext 1 Q 4 45 Ext I Q Phase Polarity Normal Invert 4 45 Ext Pos 4 99 Ext1 DC 4 44 Ext2 DC Coupled 4 82 Fast Pulse Off On 4 82 FCDMA 4 119 Index FIR 4119 FM Dev 4 25 FM Dev Couple Off On 4 25 FM M 4 24 FM M Normal High BW 4 76 FM Off On 4 26 FM Path 12 4 26 FM Rate 4 27 FM Source 4 27 FM Start Rate 4 28 FM Stop Rate 4 28 FM Sweep Time 4 28 FM Sweep Trigger 4 29 FM Tone 1 Rate 4 29 FM Tone 2 Ampl Percent Of Peak 4 29 FM Tone 2 Rate 4 30 FM Waveform 4 30 Freq 4 99 Freq Multiplier 4 35 Freq Offset 4 35 Freq Ref Off On 4 36 Freq Ref Set 4 36 Freq Start 4 100 Freq Stop 4 100 Freq amp Ampl 4 100 FSK 4 119 Function Generator 4 52 FWCDMA 4 120 Goto Bottom Row 4 100 Goto Middle Row 4 101 Goto Row 4 101 Goto Top Row 4 101 Hardware Options 4 120 Help Mode Single Cont 4 120 High Crest Mode Off On 4 45 HP8648A B C D 4 121 H P8656B 8657A B 4 121 HP8657D NADC 4 121 HP8657D PDC 4 122 HP8657 PHS 4 122 HP IB Address 4 122 HP IB RS 232 4 123 Offset 4 46 1 Q 4 124 1 Q Adjustmen
232. sweep mode 2 17 turning on a step sweep continuous 2 10 turning on amplitude modulation 2 6 turning on frequency modulation 2 8 turning on list sweep for a single sweep 2 11 U UNLEVEL annunciator 3 11 UNLOCK annundcator 3 11 Unselect All Items softkey 4 117 Unselect Item softkey 4 117 up arrow key 4 20 Update in Remote softkey softkey Update in Remote 4 139 usage requirements 1 4 user files copying 5 4 deleting 5 4 renaming 5 4 viewing 5 3 Utility hardkey 4 111 UWCDMA softkey 4 139 V ventilation 1 4 ventilation requirements 1 4 verification operation 1 7 View Next Error Message softkey 4 139 View Previous Error Message softkey 4 140 volatile memory 5 2 W warning sign 6 2 WCDMA softkey 4 140 White Pixels Screen Test softkey 4 140 l 13 Index
233. sweep points Use the arrow keys until the desired item is highlighted Then press Delete Item to eliminate this item from the sweep list Be certain that you want to delete this item you cannot recover it once you have deleted it If the last item in a list is deleted it is replaced by the default value Softkey Location Sweep List gt Configure List Sweep gt Delete Item Press this softkey to delete a selected row in the sweep list Use the up and down arrow keys until any item is selected in the row you wish to delete Press Delete Row and the entire row is deleted Be certain that you want to delete the row you cannot recover this sweep data once you press Delete Row If the last row in a list is deleted it is replaced by the default value Softkey Location Sweep List gt Configure List Sweep gt Delete Row User s Guide ESG Family Signal Generators Hardkey and Softkey Reference Sweep List Dwell Type List Step Edit Item Ext Freq User s Guide Press this softkey to toggle the dwell time for the list sweep points between the values defined in the list sweep and the value set for step sweep Choose List to sweep with dwell times that you have defined in the list sweep Choose Step and you will sweep each point in the list with a dwell time set by the Step Dwell softkey in the Configure Step Sweep menu When you are sweeping using the step sweep dwell time the list sweep dwell time values are grayed out to indica
234. t AM Sweep Trigger AM Tone 1 Rate Sets the internal modulation frequency for the AM tone 1 Enter the desired rate using the up and down arrow keys the front panel knob or enter a value using the numeric keypad and press the kHz or Hz terminator softkey The range of values allowed is 0 1 Hz through 50 kHz The minimum increment allowed is 0 1 Hz This softkey is coupled to the AM Rate softkey in the initial AM Menu and the AM Start Rate softkey in the AM Swept Sine Menu Any value set for AM Tone 1 Rate is reflected in the AM Rate and AM Start Rate softkeys Conversely if you change the value for either the AM Rate softkey or the AM Start Rate softkey the value for AM Tone 1 Rate is changed to match Default Value 400 0 Hz Softkey Location AM gt AM Waveform gt Dual Sine gt AM Tone 1 Rate 4 6 User s Guide ESG Family Signal Generators Hardkey and Softkey Reference AM AM Tone 2 Ampl Percent Of Peak For example if the Tone 2 amplitude is 0 then there would be no amplitude for Tone 2 all of the signal strength would be present in Tone 1 If AM Tone 2 Ampl Percent Of Peak iS set to 50 then Tone 2 and Tone 1 would have equal amplitudes or half of the amplitude of both tones combined Default Value 50 0 Softkey Location AM gt AM Waveform gt Dual Sine gt AM Tone 2 Ampl Percent Of Peak AM Tone 2 Rate Press this softkey to set the internal modulation frequency for the AM tone 2 Enter the desired rat
235. t Catalog Type gt ARB Catalog Types gt RCDMA Recall Ref Osc Setting This softkey is provided for adjusting the internal reference oscillator This adjustment is for use by service personnel only Refer to the calibration guide for more information Softkey Location Utility gt Instrument Adjustments gt Reference Oscillator Adjustment gt Recall Ref Osc Setting Receive Pace None Xon This softkey in the RS 232 Pace menu determines whether any pacing is acknowledged by the RS 232 receive channel If Xon pacing is used the system will send an Xoff character to suspend the transmitting of data when its buffer is nearly full When the system is ready to receive further input an Xon character is sent to the transmitting device Xon pacing is not recommended if binary data will be queried from the signal generator via RS 232 Toggle Receive Pace None Xon to None to turn off Xon pacing Pace is a persistent state it is not affected by an instrument preset or by a power cycle Softkey Location Utility gt GPIB RS 232 gt RS 232 Pace gt Receive Pace None Xon Reference Oscillator Adjustment Pressing this softkey reveals a menu of softkeys for adjusting the internal reference oscillator This adjustment is for use by service personnel only Softkey Location Utility gt Instrument Adjustments gt Reference Oscillator Adjustment Ref Osc Coarse 4 130 This softkey is provided for adjusting the internal reference oscilla
236. t Ampl Off On 4 15 Alt Ampl Trigger 4 15 Alternate Amplitude 4 14 AM Depth 4 2 AM Depth Couple Off On 4 2 AM Off On 4 3 AM Path 1 2 4 3 AM Path 1 2 WB 4 3 AM Rate 4 4 AM Source 4 4 AM Start Rate 4 5 AM Stop Rate 4 5 AM Sweep Time 4 6 AM Sweep Trigger 4 6 AM Tone 1 Rate 4 6 AM Tone 2 Ampl Percent Of Peak 4 7 AM Tone 2 Rate 4 7 AM Waveform 4 7 Ampl 4 96 Ampl Offset 4 16 Ampl Ref Off On 4 16 Ampl Ref Set 4 16 Ampl Start 4 97 Ampl Stop 4 97 ARB 4111 ARB Catalog Types 4 111 Atten Hold Off On 4 17 Binary 4 111 Bit 4 111 Black Pixels Screen Test 4 112 1 10 Brightness 4 112 Burst Envelope Off On 4 43 Burst Gate In Polarity Neg Pos 4 112 Burst Source 4 43 Bus 4 7 4 22 4 51 4 74 4 97 Calibrate Selected Items 4 112 Calibration Type User Full 4 44 Catalog Type 4 113 CDMA 4 113 Clear Error Queue s 4 113 Clear Text 4 92 4 114 Configure List Sweep 4 97 Configure Step Sweep 4 98 Copy File 4 114 Data Clock Out Polarity Neg Pos 4 115 Data Clock Polarity Neg Pos 4 115 Data Out Polarity Neg Pos 4 115 Data Polarity Neg Pos 4 116 DATA CLK SYNC Rear Outputs Off On 4 115 DC 4 51 DCFM DCoM Cal 4 22 4 74 Delete All List Files 4 116 Delete All Sequences 4 86 4 92 Delete File 4 98 4 116 Delete Item 4 98 Delete Row 4 98 Diagnostic Info 4 117 Display 4 117 DMOD 4 118 Do Power Search 4 17 4 44 Dual Sine 4 8 4 22 4 52 4 74 DWCDMA 4 118 Dwell Type Li
237. t arrow keys to position the cursor Use the front panel knob up and down arrow keys or the direct editing softkeys to enter an alphabetic character numeral or special character When you have entered the comment text press the Enter terminator softkey If you have changed your mind press the Return hardkey Once you press Enter the new comment is saved to your selected register and displayed immediately Softkey Location Save gt Add Comment To Seq n Reg nn 4 91 Hardkey and Softkey Reference ESG Family Signal Generators Save Clear Text Press this softkey to delete the comment text in the active entry area If you want to change the comment text saved with a register use this softkey to quickly delete the existing text then use the remaining editing features to enter a new comment Softkey Location Save gt Add Comment To Seq n Reg nn gt Editing Keys gt Clear Text Delete All Regs in Seq n NOTE Press this softkey to delete the data saved in all of the registers of the selected sequence Do not press this softkey until you have selected the correct sequence using the Select Seq softkey For example if you want to delete all of the registers that are saved in sequence 4 press Select Seq The currently selected sequence is displayed in the active entry area Change the number to 4 using the up and down arrow keys the front panel knob or enter a 4 using the numeric keypad and press the Enter terminator so
238. t frequency changes to 701 MHz 6 Enter a 1 MHz offset Press the Freq Offset softkey and enter 1 MHz using the numeric keypad and pressing the MHz terminator softkey The frequency display shows 2 MHz the frequency output by the hardware 701 MHz minus the reference frequency 700 MHz plus the offset 1 MHz Notice that the orrset indicator is turned on The frequency at the RF OUTPUT connector is still 701 MHz To Set the RF Output Power Level 1 Press Preset to return the signal generator to the factory defined instrument state 2 Observe the amplitude area of the display in the upper middle of the display It should display 135 dBm This is the normal preset RF output power level 3 Thesignal generator is set to output an RF signal however the RF On Off key must be set to On before the RF signal is available at the RF OUTPUT connector Press RF On Off Notice that the display annunciator changes from RF orF toRF on The RF signal is now being output at a 135 dBm level at the RF OUTPUT connector 4 Change the power level to 20 dBm Press Amplitude The current power level is now displayed in the active entry area of the display Using the numeric keypad and the key enter 20 and then press the dBm softkey The new 20 dBm RF output power is now displayed in the amplitude area of the display and also in the active entry area 5 Amplitude is still the active function until you press another front panel function key You
239. te that they are not being used Default Value List Softkey Location Sweep List gt Configure List Sweep gt Dwell Type List Step Press this softkey to change an item in the displayed list of sweep points Use the arrow keys or the front panel knob until the correct item is highlighted Press Edit Item and the item is displayed in the active entry area Change the value using the up and down arrow keys or the front panel knob and press the Enter terminator softkey Or enter a new value using the numeric keypad and then press a units terminator softkey A short cut for editing Auto Edit is also available Highlight the item you want to edit Enter a new value using thenumeric keys editing immediately starts for the highlighted item Press the Enter terminator softkey The new value is stored and the next item is highlighted Softkey Location Sweep List gt Configure List Sweep gt Edit Item This softkey is one of the choices in both the Sweep Trigger menu and the Point Trigger menu Press either the Sweep Trigger softkey or the Point Trigger softkey to view this key Choosing Ext allows you totrigger a sweep point by point on either the negative or positive edge of a signal applied tothe TRIGGER IN rear panel connector Set the polarity of the trigger signal using the Trigger In Polarity Neg Pos softkey Softkey Location Sweep List gt Sweep Trigger gt Ext Or Sweep List gt Point Trigger gt Ext Press this softkey to s
240. ternal source as it is being used by a modulation For example if the internal source is currently assigned to an AM path configuration and AM is turned on the signal output at the LF OUTPUT connector will have the frequency and shape of the amplitude modulating signal You can scale the amplitude of the output signal using the LF Out Amplitude softkey If you choose to set the internal source as a function generator you can select a frequency and shape in addition to selecting the amplitude for theLF output signal When you use the internal source in this capacity any modulation with the internal source selected is turned off Default Value Internal Modulation Softkey Location LF Out gt LF Out Source LF Out Start Freq User s Guide Use this softkey to change the starting frequency for swept sine low frequency output To change the value press the softkey once The current value for the LF Out start frequency is displayed in the active entry area To enter a new value rotate the front panel knob until the desired value is displayed use the up and down arrow keys or enter the value using the numeric keypad and press the Hz or kHz terminator softkey The range of values allowed is 0 1 Hz to 50 kHz The minimum increment allowed is 0 1 Hz This softkey is coupled to the LF Out Freq softkey in the initial LF Out Menu and the LF Out Tone 1 Freq softkey in the LF Out Dual Sine Menu Any value set for LF Out Start Freq is reflected
241. the Q modulation Notice however that although you can enable Q modulation with this softkey the RF carrier is modulated only when you have also set Mod On Off to On I Q Off On is also toggled automatically to On when any of the digital modulation formats are enabled Option UN8 However you can turn off the 1 Q modulation with this softkey even though the digital modulation mode is enabled With this configuration the RF output signal would not be modulated but the I Q signals will be present at the rear panel 1 Q outputs Whenever I Q modulation is enabled the r o annunciator is turned on in the display Default Value Off Softkey Location Q gt 1 Q Off On Pressing this softkey reveals a menu of Q source choices If you have enabled a digital modulation format Option UN8 only the signal generator is automatically set to internally generate and Q signals Int Q You cannot use the internal source unless you have also enabled a digital modulation format You can externally supply the and Q signals via the INPUT and Q INPUT connectors by pressing Ext Q Apply the in phase and quadrature phase signals tothe and Q inputs The signal level is 49 0 5 Vrms See the sections on Ext 1 Q and High Crest Mode Default Value Ext I1 Q Softkey Location Q gt 1 Q Source 4 47 Hardkey and Softkey Reference ESG Family Signal Generators VQ Int Burst This softkey is automatically selected for the burst source when you
242. tion Amp gt ALC BW Normal Narrow User s Guide 4 13 Hardkey and Softkey Reference ESG Family Signal Generators Ampl ALC Off On NOTE This softkey toggles the automatic leveling control ALC circuit off and on TheALC is normally on The RF output power of the signal generator is constantly monitored and controlled by the ALC circuit Its purpose is to hold output power at its desired level in spite of drift due to temperature and time There are some modulation conditions which the ALC circuit cannot handle properly which lead to output level errors In these conditions better power level accuracy can be obtained by turning the ALC off and using power search Refer to the Power Search Manual Auto softkey documented in this section for more information about power search ALC Off is useful with pulse modulation with a pulse width narrower than 2 us and with certain external 1 Q modulation Pulse modulation is accomplished using a modulator which precedes the ALC detector The ALC must therefore measure a pulsed signal and it is able to do this if the pulse width exceeds 2 us For narrower pulses set the ALC softkey to Off With external Q modulation the ALC loop acts to hold the signal generator s average pdi pul power constant in spite of variations in the Q input power I Q Rapid variations of I2 Q propagate to the output while slow variations are removed by the ALC loop with a high pass corner o
243. tion less than or equal to FM Path 1 The modulation signals from both paths are summed internally for composite modulation Default Value Off Softkey Location FM M gt FM Off On Use FM Path 1 and FM Path 2 to define two unique frequency modulation configurations For example select FM Path 1 FM Path 1 is the default after a normal preset If FM Path 1 is not highlighted press the softkey until the selection toggles to FM Path 1 Configure the modulation characteristics such as deviation source rate and waveform using the remaining softkeys in the FM menu Then enable FM by setting FM Off On to On To configure a second frequency modulation configuration toggle to FM Path 2 Define the modulation characteristics for this second configuration and enable FM by setting FM Off On to On The RF carrier is available at the RF OUTPUT connector when you set RF On Off to On Set Mod On Off to On to modulate the RF carrier with the modulations that you have enabled FM Path 1 and FM Path 2 are summed internally for composite modulation Either path can be switched to any one of the modulation sources I nt Ext1 or Ext2 All modulation types can be simultaneously enabled except FM with M AM with external burst source and wideband AM with 1 Q AM FM and M can sum simultaneous inputs from any two sources Int Ext1 and Ext2 Any given source Int Ext1 or E xt2 can only be routed to one activated modulation type Default V
244. tkey Location Utility gt GPIB RS 232 gt RS 232 Pace gt Transmit Pace None Xon Update in Remote Off On This softkey toggles between the display updating off or on when the remote control bus is in remote This is a persistent state in the preset mode However it resets to off the default value when the power is cycled Softkey Location Utility gt Display gt Update in Remote UWCDMA Press this softkey to set the current catalog type to UWCDMA and display the catalog of UWCDMA files Softkey Location Utility gt Memory Catalog gt Catalog Type gt ARB Catalog Types gt UWCDMA View Next Error Message If the ERR annunciator is turned on in the display you have at least one error message stored in the error message queue Use this softkey to display the first error message in the queue The first error message is the oldest error There may be more than one error message in the queue the number of error messages is displayed along with the first message If there is more than one message continue pressing this softkey to view the rest of the error messages If you wish to back up and view a message you have already seen press View Previous Error Message Press any front panel key to remove the error message from the display and return to normal signal generator operation User s Guide 4 139 Hardkey and Softkey Reference ESG Family Signal Generators Utility The error queue can contain up to 30 error me
245. tments gt 1 Q Adjustments Off On 1 Q Calibration 4 46 Pressing this softkey reveals a menu of choices for executing an 1 Q calibration An 1 Q calibration should be performed approximately every 30 days but it can be performed at any time to peak the performance of the 1 Q modulator You can set the start and stop frequency for a user defined I Q calibration or choose an Q calibration over the signal generator s entire frequency range In this menu you User s Guide ESG Family Signal Generators Hardkey and Softkey Reference 1 Q Gain 1 Q Off On 1 Q Source User s Guide 1 Q can also restore the values for the I Q calibration performed at the factory the instrument discards the latest calibration data and uses the data installed by the factory Softkey Location Q gt 1 Q Calibration Press this softkey to change the to Q gain ratio For example if you enter in a value of 1 dB the signal will have 1 dB more amplitude than the Q signal The range of gain adjustment values allowed is 4 dB to 4 dB The gain ratio adjustment can be used with externally applied and Q signals or with internally generated and Q signals Change the gain ratio to adjust out imperfections in and Q or to introduce calibrated impairments Set the gain ratio as desired and then toggle the I Q Adjustments Off On softkey to On Default Value 0 dB Softkey Location Q gt I Q Adjustments gt 1 Q Gain This softkey enables
246. tor This adjustment is for use by service personnel only Refer to the calibration guide for more information Softkey Location Utility gt Instrument Adjustments gt Reference Oscillator Adjustment gt Ref Osc Coarse User s Guide ESG Family Signal Generators Hardkey and Softkey Reference Ref Osc Fine Utility This softkey is provided for adjusting the internal reference oscillator This adjustment is for use by service personnel only Refer tothe calibration guide for information Softkey Location Utility gt Instrument Adjustments gt Reference Oscillator Adjustment gt Ref Osc Fine Remote Language Rename File Pressing this softkey reveals a menu of choices for immediately changing the signal generator s remote language You can choose between SCPI which is the language chosen for the signal generator for remote implementation of all features 8648 compatible and four versions of 8656 57 compatible languages The 8648 and 8656 67 compatible languages are provided for renote implementation of some features so that this signal generator can be compatible with systems that use those instruments Refer to the programming guide for specifics on which commands are implemented Default Value Depends on the value of the Preset Language Softkey Location Utility gt GPIB RS 232 gt Remote Language Press this softkey to rename a file in the displayed catalog of files The following text explains how to use the fil
247. tor UN Internal Bit Error Rate BER Analyzer Proceed With Reconfiguration Calibrate Selected Items The display indicates which options are currently enabled for the signal generator In this case Option UN3 is enabled as indicated by the X placed in the Selected column 3 Highlight the new option that you have just installed U se the up down arrow keys or the front panel knob 4 Press Select Item An X will be placed in the Selected column Two other selection keys are available in this menu to help you identify the proper options to be enabled Deselect Item removes the X from the Selected column in the highlighted option Deselect All Items removes all occurrences of the X from the Selected column User s Guide 2 13 Using Functions ESG Family Signal Generators Enabling Options 5 Press Proceed With Reconfiguration to enable all selected options After pressing this softkey press Confirm Change to verify that you do want to reconfigure the signal generator with the options that you have selected If you do not want to continue press Return CAUTION If you enable an option that does not have the required hardware installed the menus for that option will be activated but the option cannot operate despite what the menus may seem to indicate 6 Once you have installed optional hardware in your signal generator perform a download of calibration data from the hardware into non volatile
248. tors Power Switch Power Switch 00 He FH pk758a Pressing this front panel key toggles power to the signal generator either on green LED on or to standby yellow LED on In standby mode the power switch is off but theinstrument is still connected tothe mains circuit by way of the power cord The detachable power cord is the instrument disconnecting device The front panel power switch therefore is not and should not be used as a line switch CAUTION Avoid turning off power to the signal generator unless it is quiescent not currently changing state as a result of front panel operation or remote control 4 80 User s Guide ESG Family Signal Generators Hardkey and Softkey Reference Preset Preset Ol OQ Preset Local On Return __ 2 o AS e e P Preset Ss a pk759a This key sets the signal generator to a Known state either the factory defined state or a user defined state Use the Preset Normal User softkey to set your signal generator to the desired preset conditions Normal factory User a user defined state For details refer to the Preset Normal User softkey description on page 4 129 User s Guide 4 81 Hardkey and Softkey Reference ESG Family Signal Generators Pulse Pulse Pressing the front panel Pulse key reveals a menu of softkeys These softkeys are described in this section in alphabetical order MENUS g Utility Freq Pulse Sweep Amp
249. ts 4 46 1 Q Adjustments Off On 4 46 1 Q Calibration 4 46 1 Q Gain 4 47 1 Q Off On 4 47 1 Q Source 4 47 Immediate 4 9 4 30 4 52 4 77 4 102 Insert Item 4 102 Insert Row 4 102 Installed Board Info 4 123 Instrument Adjustments 4 123 Instrument I nfo Help Mode 4 124 Int Burst 4 48 Int 1 Q 4 48 Internal 4 10 4 30 4 77 Internal Modulation 4 53 Internal Pulse 4 83 Internal Square 4 83 Inverse Video Off On 4 124 labels 3 8 LF Out Amplitude 4 53 LF Out Freq 4 53 LF Out Off On 4 54 LF Out Period 4 54 LF Out Source 4 55 LF Out Start Freq 4 55 LF Out Stop Freq 4 56 LF Out Sweep Time 4 56 LF Out Sweep Trigger 4 57 LF Out Tone 1 Freq 4 57 LF Out Tone 2 Ampl Of Peak 4 58 LF Out Tone 2 Freq 4 58 LF Out Waveform 4 59 LF Out Width 4 59 List 4 124 Load From Selected File 4 102 Load List From Step Sweep 4 103 Load Store 4 103 location 3 5 Manual Mode Off On 4 103 Manual Point 4 103 MCDMA 4 124 MDMOD 4 125 MDWCDMA 4 125 Memory Catalog 4 124 MFCDMA 4 125 MFWCDMA 4 125 Mod Status I nfo Off On 4 126 Mode 1 Optimize lt 10kHz Offset 4 36 Mode 2 Optimize gt 10kHz Offset 4 36 Modify License Key 4 125 Modulation Catalog Types 4 126 MTONE 4 126 Noise 4 10 4 31 4 59 4 77 NVARB 4 126 Off 4 104 4 126 Optimize Noise 4 37 Page Down 4 104 4 127 Page Up 4 104 4 127 Pattern Trigger In Polarity Neg Pos 4 127 l 11 Index Phas
250. u can set a ratio of the tone 2 M deviation to the tone 1 M deviation Softkey Location FM mM hardkey gt FM M softkey M gt M Waveform gt Dual Sine This softkey is one of the choices in the M Sweep Trigger menu Choosing Ext allows you to trigger swept sine phase modulation using a signal applied to the TRIGGER IN rear panel connector Set the polarity of the trigger signal using the Trigger In Polarity Neg Pos softkey Softkey Location FM M hardkey gt FM M softkey M gt M Waveform gt Swept Sine gt M Sweep Trigger gt Ext User s Guide ESG Family Signal Generators Hardkey and Softkey Reference Phase Modulation Ext 1 AC Coupled This softkey lets you input an external AC coupled phase modulation signal tothe EXT 1 INPUT connector The modulation signal is tested for voltage and a display annunciator will report a high or low condition if the voltage is gt 3 of 1 Vpk The external 1 input has multiple uses but can be used for only one modulation at a time If for example you were using the external 1 input in an amplitude modulation configuration for AM Path 1 and then you configured M Path 2 to also use the external 1 input the signal generator would turn off AM Path 1 and assign the external 1 input to your M Path 2 configuration For the purposes of this discussion the external 1 AC coupled input is the same as the external 1 DC coupled source Softkey Location FM M hardkey gt FM M softkey M
251. ue 0 1 Softkey Location AM gt AM Depth Or AM gt AM Waveform gt Dual Sine gt AM Depth AM Depth Couple Off On 4 2 This softkey toggles the AM depth coupling on and off AM depth coupling links the AM depth values of AM Path 1 and AM Path 2 When the values are coupled any change you make to one AM depth value is applied to both AM depth values Default Value Off Softkey Location AM gt AM Depth Couple Off On User s Guide ESG Family Signal Generators Hardkey and Softkey Reference AM Off On AM This softkey enables the amplitude modulation for whichever AM path configuration you have selected AM Path 1 AM Path 2 or AM Path WB in the case of a digitally equipped model N otice however that although you can enable amplitude modulation with this softkey the RF carrier is modulated by the enabled modulation only when you have also set Mod On Off to On Whenever amplitude modulation is enabled the am annunciator is turned on in the display There are two paths for AM modulation which can be simultaneously enabled as long as they use different sources Int Ext1 or Ext2 The modulation signals from both paths are summed internally for composite modulation Default Value Off Softkey Location AM gt AM Off On AM Path 1 2 WB NOTE User s Guide For the ESG A and ESG AP series this softkey is AM Path 1 2 Wideband AM is not available on the ESG A and ESG AP series Use AM Path 1 and AM Path
252. ulse modulation is enabled the PuLSE annunciator is turned on in the display Default Value Off Softkey Location Pulse gt Pulse Off On User s Guide 4 83 Hardkey and Softkey Reference ESG Family Signal Generators Pulse Pulse Period Pulse Rate Pulse Source 4 84 Use this softkey to change the pulse period for internal pulse modulation To change the period press the softkey once The current value for pulse period is displayed in the active entry area To enter a new value rotate the front panel knob until the desired valueis displayed use the up and down arrow keys or enter the value using the numeric keypad and press the msec or usec terminator softkey The range of values allowed is 16 us to 30s If the value for pulse period is less than the value for pulse width pulse width is changed to the same value as pulse period Notice that pulse period applies only to internal pulse modulation when external pulse modulation or internal square pulse modulation is selected this softkey is disabled Default Value 80 us Softkey Location Pulse gt Pulse Period Use this softkey to change the pulse rate for internal square pulse modulation To change the rate press the softkey once The current value for pulse rate is displayed in the active entry area To enter a new value rotate the front panel knob until the desired value is displayed use the up and down arrow keys or enter the value using the numeric keypad a
253. umeric keypad and press the Hz or kHz terminator softkey The range of values allowed is 0 1 Hz to 50 kHz The minimum increment allowed is 0 1 Hz This softkey is coupled to the FM Rate softkey in theinitial FM Menu and the FM Tone 1 Rate softkey in the FM Dual Sine Menu Any value set for FM Start Rate is reflected in the FM Rate and FM Tone 1 Rate softkeys Conversely if you change the value for either the FM Rate softkey or the FM Tone 1 Rate softkey the value for FM Start Rate is changed to match Default Value 400 0 Hz Softkey Location FM M gt FM Waveform gt Swept Sine gt FM Start Rate FM Stop Rate Changes the ending internal modulation frequency for swept sine frequency modulation The current value for the FM stop rateis displayed in the active entry area To enter a new value rotate the front panel knob until the desired value is displayed use the up and down arrow keys or enter the value using the numeric keypad and press the Hz or kHz terminator softkey The range of values allowed is 0 1 Hz to 50 kHz The minimum increment allowed is 0 1 Hz This softkey is coupled to the FM Tone 2 Rate softkey in the FM Dual Sine Menu Any value set for FM Stop Rate is reflected in the FM Tone 2 Rate softkey Conversely if you change the value for the FM Tone 2 Rate softkey the value for FM Stop Rate is changed to match Default Value 400 0 Hz Softkey Location FM M gt FM Waveform gt Swept Sine gt FM Stop Rate FM Sweep
254. urrent Q modulation remains active and the reference is the RMS value of the current Q modulation The ALC Off On softkey must be set to off in order to engage either power search reference Default Value Fixed Softkey Location Amp gt ALC Off On gt Power Search gt Power Search Reference Fixed Modulated User s Guide ESG Family Signal Generators Hardkey and Softkey Reference Amplitude User s Guide Amplitude Frequency Mode AM i Utility Freq Amplitude TM Pulse Sweep Ampl List C a LF Out T Amplitude Press this front panel hardkey to change the RF output power Amplitude becomes the active function and the current value is shown in the active entry area of the display To enter a new value for amplitude rotate the front panel knob until the desired value is displayed use the up and down arrow keys or enter the value using the numeric keypad and press the dBm dBuV dBuVemf mV uV mVemf or uVemf terminator softkey The output power range allowed depends on your instrument model Refer to the technical specifications document 370 pk746a The current RF output power level is always shown in the amplitude area of the display except under the following conditions e amplitude reference mode is turned on e an offset is applied e astep or list amplitude sweep is in process e theRF Off On front panel key is off The amplitude area of the display is blank
255. vailable 0 through 99 in each of 10 0 through 9 sequences You can use these registers in any combination so long as the total number of registers used does not exceed 100 Softkey Location Save gt Save Seq n Reg nn Press this softkey to choose a register for all softkeys which specify a register in this menu For example if you want to select register 5 press Select Reg The currently selected register is displayed in the active entry area Change the number to 5 using the up and down arrow keys the front panel knob or enter a 5 using the numeric keypad and press the Select Reg terminator softkey Register 5 is now displayed in all softkeys which specify a register in this menu You can also use this softkey to select a register and save the current instrument state to that register For example if you want to select and save to register 6 press Select Reg The currently selected register is displayed in the active entry area Change the number to 6 using the numeric keypad and press the Save Reg terminator softkey Register 6 is now displayed in all softkeys which specify a register in this menu and the current instrument state has been saved to register 6 There are 100 registers available 0 through 99 in each of 10 0 through 9 sequences You can use these registers in any combination so long as the total number of registers used does not exceed 100 Softkey Location Save gt Select Reg User s Guide ESG Family Sign
256. viewing 5 3 FIR softkey 4 119 firmware memory 5 2 firmware revision 4 117 FLASH RAM based memory 5 2 FM 4 22 FM annunciator 3 10 FM Dev Couple Off On softkey 4 25 FM Dev softkey 4 25 FM deviation 4 25 setting 2 7 FM deviation coupling 4 25 FM M Normal High BW softkey 4 76 FM M softkey 4 24 FM hardkey 4 22 FM Off On softkey 4 26 FM Path 1 2 softkey 4 26 FM rate 4 27 setting 2 8 FM Rate softkey 4 27 FM Source softkey 4 27 FM Start Rate softkey 4 28 FM Stop Rate softkey 4 28 FM Sweep Time softkey 4 28 FM sweep trigger bus 4 22 external 4 23 immediate 4 30 trigger key 4 32 FM Sweep Trigger softkey 4 29 FM Tone 1 Rate softkey 4 29 FM Tone 2 Ampl Percent Of Peak softkey 4 29 FM Tone 2 Rate softkey 4 30 FM Waveform softkey 4 30 Freq hardkey 4 34 Freq Multiplier softkey 4 35 Freq Offset softkey 4 35 Freq Ref Off On softkey 4 36 Freq Ref Set softkey 4 36 Freq softkey 4 99 Freq Start softkey 4 100 Freq Stop softkey 4 100 Freq amp Ampl softkey 4 100 frequency multiplying 4 35 offset 4 35 reference 4 36 setting 2 2 frequency and amplitude sweep 4 100 frequency display area 3 8 Frequency hardkey 3 6 4 38 frequency modulation 4 22 setting up 2 7 turning on 2 8 frequency multiplier 4 35 frequency offset setting 2 3 Index frequency offset setting 2 3 frequency output 4 38 frequency reference setting 2 3 frequency sweep 4 99 front handles i
257. weeps until you release the key Softkey Location LF Out gt LF Out Source gt Function Generator gt LF Out Waveform gt Swept Sine gt LF Out Sweep Trigger gt Trigger Key Trigger Out Polarity Neg Pos 4 62 This softkey toggles the polarity of the TTL signal that is output at the rear panel TRIGGER OUT connector When Trigger Out Polarity Neg Pos iS set to Pos the output signal is asserted high 5 V at the start of the swept sine low frequency sweep and low 0 V when the sweep is concluded Setting Trigger Out Polarity Neg Pos to Neg reverses the polarity wherea high is O V and a low is V This softkey is coupled to the Trigger Out Polarity Neg Pos softkey in the swept sine AM FM and M menus and the sweep list menu When the polarity is toggled for this softkey in any one of these menus it affects all locations of the softkey This softkey is only active when you have selected the internal source to operate as a function generator Default Value Pos Softkey Location LF Out gt LF Out Source gt Function Generator gt LF Out Waveform gt Swept Sine gt Trigger Out Polarity Neg Pos User s Guide ESG Family Signal Generators Hardkey and Softkey Reference Local User s Guide Local er wo NS e a Local a pk760a Press this key to return the signal generator to local front panel control from remote operation or to restore the front panel menu and status area display after RS 232 contro
258. while Neg refers to inverted logic Default Value Pos Softkey Location Utility gt Instrument Adjustments gt Signal Polarity Setup gt Event 1 Polarity Neg Pos Event 2 Polarity Neg Pos Option UN8 FCDMA FIR FSK User s Guide This softkey in the Signal Polarity Setup menu is used to configure the polarity of the TTL signal out at the EVENT 2 connector Pos refers to normal logic while Neg refers to inverted logic Default Value Pos Softkey Location Utility gt Instrument Adjustments gt Signal Polarity Setup gt Event 2 Polarity Neg Pos Press this softkey to set the current catalog type to FCDMA and display the catalog of FCDMA files Softkey Location Utility gt Memory Catalog gt Catalog Type gt ARB Catalog Types gt FCDMA Press this softkey to set the current catalog type to FIR and display the catalog of FIR files Softkey Location Utility gt Memory Catalog gt Catalog Type gt FIR Press this softkey to set the current catalog type to F SK and display the catalog of FSK files Softkey Location Utility gt Memory Catalog gt Catalog Type gt Modulation Catalog Types gt FSK 4 119 Hardkey and Softkey Reference ESG Family Signal Generators Utility FWCDMA Press this softkey to set the current catalog type toF WCDMA and display the catalog of FWCDMA files Softkey Location Utility gt Memory Catalog gt Catalog Type gt ARB Catalog Types gt FWCDMA Hardware Options
259. width beyond that of the standard amplitude modulation Typical rates for wideband AM arelisted in thetechnical specifications document When you select AM Path WB in the AM menu you must apply your modulating signal to thel input The sensitivity is 0 5 V 100 AM depth With AM Path WB selected the modulated RF signal will be available at the RF OUTPUT connector when you turn on both Mod On Off and RF On Off Default Value AM Path 1 Softkey Location AM gt AM Path 1 2 WB Use this softkey to change the internal modulation frequency for the AM Path 1 and AM Path 2 configurations To change the value press the softkey once The current value for AM rate is displayed in the active entry area To enter a new value rotate the front panel knob until the desired valueis displayed use the up and down arrow keys or enter the value using the numeric keypad and press the Hz or kHz terminator softkey The range of values allowed is 0 1 Hz to 10 kHz 0 1 Hz to 50 kHz is the range allowed if sinewave is selected as the internal waveform The minimum increment allowed is 0 1 Hz Notice that the new value of AM rate applies only to whichever AM configuration AM Path 1 or AM Path 2 you have currently selected Default Value 400 Hz Softkey Location AM gt AM Rate Pressing this softkey reveals a menu of choices for amplitude modulation sources You can choose internally generated amplitude modulation or select an externally applied signal f
260. with a TTL compatible high impedance or 75Q load If you configure your instrument with Option 1EM this input is changed from a BNC toan SMB connector This female BNC connector is provided only on instruments with Option UN 7 27 BER CLK IN Connector Use this connector to input the clock signal for the bit error rate measurements The rising positive or falling negative edge of the signal selected either by softkey or GPIB command causes data on the BER DATA IN connector to be sampled The damage levels are gt 8 and lt 4V This connector must be terminated with a TTL compatible high impedance or 75Q load If your instrument is configured with Option 1EM this input changes from a BNC to an SMB connector This female BNC connector is provided only on instruments with Option UN 7 28 BER GATE IN Connector Use this connector to input the clock gate signal for the bit error rate measurements The clock signal tothe BER CLK IN connector is valid only when the signal to this connector is a high or low depending on your softkey selection or GPIB command The damage levels are gt 8 and lt 4V This connector must be terminated with a TTL compatible high impedance or 75Q load This connector can be enabled or disabled by a softkey or an GPIB command This female BNC connector is provided only on instruments with Option UN7 29 321 4 MHz IN Connector Use this connector to input a downconverted 321 4 MHz GSM signal for base transceiver
261. xt in that position e The Clear Text softkey in the Editing Keys menu deletes all of the existing text in the active entry area e Usetheleft and right arrow keys to position the cursor Use the front panel knob or the direct editing softkeys to enter an alphabetic character numeral or special character When you have entered the new file name press the Enter terminator softkey If you have changed your mind press the Return hardkey Once you press Enter the new file is stored and displayed immediately in the catalog list Softkey Location Utility gt Memory Catalog gt Copy File 4 114 User s Guide ESG Family Signal Generators Hardkey and Softkey Reference Utility DATA CLK SYNC Rear Outputs Off On Option UN8 This softkey in the Instrument Adjustments menu is used to disconnect the output signals from the rear panel DATA OUT DATA CLK OUT and SYMBOL SYNC OUT connectors Normally these output signals should be connected softkey set to On position However disconnecting these outputs will decrease the spurs that are sometimes present when you are operating at high symbol rates Default Value On Softkey Location Utility gt Instrument Adjustments gt DATA CLK SYNC Rear Outputs Off On Data Clock Out Polarity Neg Pos Option UN8 This softkey in the Signal Polarity Setup menu is used to configure the polarity of the TTL signal at the DATA CLOCK OUT connector Pos refers to the rising edge while Neg refers t
262. y Toggle the front panel RF On Off key to turn on RF power tothe RF OUTPUT connector The display RF on annunciator will turn on Verify that the power meter reads the maximum specified output power including the power level accuracy limits Check to see if the UNLEVEL or ERR display annunciators have turned on If these annunciators are on refer to the service guide for troubleshooting information 1 8 User s Guide ESG Family Signal Generators Table 1 2 Frequency and Power Level Limits User s Guide Preparing for Use Verifying Signal Generator Operation ESG Model Maximum Specified Frequency Maximum Specified Power Power Level Accuracy Limits E4400B E4430B E4423B E4434B 1 GHz 13 dBm 0 7 dB E4420B E4431B E4424B E4435B 2 GHz 10 dBm 0 7 dB E4421B E4432B E4425B E4436B 3 GHz 10 dBm 1 0 dB E4422B E4433B E4426B E4437B 4 GHz 7 dBm 1 0 dB 1 The values provided are confidence levels only they are not specifications and may vary with installed options 1 9 Preparing for Use ESG Family Signal Generators See Agilent Technologies ESG Family Internet Page for the Latest Information See Agilent Technologies ESG Family Internet Page for the Latest Information Get the latest news product and support information application literature and more Agilent Technologies Internet address for the ESG
263. y gt Memory Catalog gt Catalog Type gt Modulation Catalog Types Press this softkey to set the current catalog type to MTONE and display the catalog of MTONE files Softkey Location Utility gt Memory Catalog gt Catalog Type gt ARB Catalog Types gt MTONE Press this softkey to set the current catalog type to NVARB and display the catalog of NVARB files Softkey Location Utility gt Memory Catalog gt Catalog Type gt ARB Catalog Types gt NVARB Press this softkey to turn the RTS line off In this mode the instrument will ignore the state of the CTS line 3 wire connection This setting is not compatible with the 83300A Remote nterface RTS is a persistent state it is not affected by an instrument preset or by a power cycle Softkey Location Utility gt GPIB RS 232 gt RS 232 Pace gt RTS CTS gt Off User s Guide ESG Family Signal Generators Hardkey and Softkey Reference Options I nfo Page Down Page Up Utility Press this softkey to retrieve information regarding the options installed in the instrument This information may include any of the following information e Option number the alpha or numeric designation of the installed option for instance option UN8 UNB or 300 e Hardware version the letter designation of the installed hardware for the listed option number for instance UN8 or UN9 version C or UN7 version A e DSP version the name of the DSP digital signal processor
264. y gt Instrument Adjustments gt Hardware Options gt Calibrate Selected Items Catalog Type CDMA Pressing this softkey reveals a menu of choices for displaying files You can choose to display all files or specific catalog types When you have made your selection the display is updated and your choice appears below the Catalog Type softkey For information on file and memory management refer to the remote data transfer guide Chapter 4 Understanding Signal Generator Memory Structure For information on storing and recalling files refer to the Using Functions chapter in the user s and programming guide of the option you are using Catalog type is a persistent state it is not changed by an instrument preset or by a power cycle Softkey Location Utility gt Memory Catalog gt Catalog Type Press this softkey to set the current catalog type to CDMA and display the catalog of CDMA files Softkey Location Utility gt Memory Catalog gt Catalog Type gt ARB Catalog Types gt CDMA Clear Error Queue s User s Guide Press this softkey to delete any messages that are stored in the error message queues There are separate error queues for front panel operation and for SCPI Pressing this softkey clears both You cannot recover from this action once the messages are deleted they are permanently gone When the error message queue is empty the ERR annunciator is turned off Softkey Location Utility gt
265. y Reference Save Save Pressing the front panel Save key reveals a menu of softkeys These softkeys are described in this section in alphabetical order oe Recall e Help pk751a When you press the Save key the text area of the display shows the registers in use and any comments associated with the registers for the last sequence accessed The display is updated whenever you make any changes to the registers or to the comments Add Comment To Segq n Reg nn User s Guide Press this softkey to add a comment that is associated with a register in use The register number is listed in the text area of the display and the comment is shown immediately following the register You can use the comment line for example to identify the instrument state saved in a register The comment line can consist of up to 55 alpha numeric characters and special characters To add or change a comment the following editing capabilities are provided e The Editing Mode Insert Replace softkey in the Editing Keys menu toggles the editing mode from inserting text to replacing text Insertion mode causes text to be entered in the position directly to the right of the cursor Replacement mode causes the text to be entered in the position held by the cursor replacing any existing text in that position e The Clear Text softkey in the Editing Keys menu deletes all of the existing text in the active entry area e Usetheleft and righ
266. y with When you set Power Search Manual Auto to Manual the power search routine is not run until the Do Power Search softkey is pressed The ALC Off On softkey must be set to off in order to engage either power search mode Default Value Manual Softkey Location 1 Q gt ALC Off On gt Power Search Manual Auto 4 48 User s Guide ESG Family Signal Generators Hardkey and Softkey Reference Q Offset 1 Q Press this softkey to enter an origin offset voltage for internally generated or externally applied quadrature phase signals Enter the value as a percentage of full scale 500 mV The range of values allowed is 100 to 100 Change the origin offset to adjust out imperfections in the quadrature phase signal or to introduce calibrated impairments Set the origin offset as desired and then toggle the I Q Adjustments Off On softkey to On Default Value 0 0 Softkey Location Q gt I Q Adjustments gt Q Offset Quadrature Skew Press this softkey to adjust the phase angle between the and Q vectors When the quadrature skew is zero the phase angle is 90 degrees Positive skew increases the angle from 90 degrees while negative skew decreases the angle from 90 degrees The range of values allowed is 10 degrees with a minimum increment of 0 1 degrees H owever if you re operating the signal generator in the 3 3 to 4 GHz frequency range quadrature skew settings greater than 5 degrees will not be within specificati

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