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R&S®FSV-K30 Noise Figure User Manual

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1. DISPlay ARRay MEMory lt m gt S TAT ooo rai 17 DISPlay CURRen DATA ESTATE ainia 78 DISPlay DATA TRACE a A as 78 DISP FOR Mat oia a A A tada 79 DISPlayEWINDoewsn gt TAB En idea 79 DISPlay WINDow lt n gt TRACe lt t gt STAT eleccnnnnncononnoconcnnnnnnnnnnnnnnnnnnnnnanononnno non 79 DISPlayEWINDow lt n TRACGS lt t gt SYMBOlS edd AAA 80 DISPlay WINDow lt n gt TRACe lt t gt XESCALe iiciin idiniriin aiaiai 80 DISPlay WINDow lt n gt TRAGe lt t gt Y SGALEC AUTO siiicar narina 81 DISPlay WINDow lt n gt TRACe lt t gt Y SCALe BOTTOM E 82 DISPlay WINDow lt n gt TRACe lt t gt Y SCALe RUEVeL cicociisoionicionn ria 83 DISPlay WINDow lt n gt TRACe lt t gt Y SCALe RLEVel AUTO oooooccconocccnonanononannnnnnnrnnnnnnnnnnnns 83 DISPlay WINDow lt n gt TRACe lt t gt Y SCALe TOP cccececece eee eneee ee eee ee eee eeteeeeeeseeeeeeereeeteees 84 DISPlay ARRay MEMory lt m gt STATe lt State gt This command switches the display of the trace memory on or off DISPlay Subsystem Noise Figure K30 Suffix lt m gt 1 3 trace memory Parameters lt State gt ON OFF RST OFF Example DISP ARR MEM2 ON Switches on the display of memory 2 Mode NF Manual operation See Mem1 On Off Mem2 On Off Mem3 On Off on page 53 DISPlay CURRent DATA STATe lt State gt This command switches the display of the current measurement results on or off Parameters lt State gt ON
2. Note The schematic overview now provides direct access to the most important con figuration steps Select the step for the setting you want to edit to display the corre sponding dialog box Configuration step Dialog box Noise Source ENR Settings on page 40 Spectrum Analyzer Meas Settings on page 42 Loss Input Loss Settings on page 41 Loss Output Loss Settings on page 41 DUT Frequency Settings on page 36 Local Oscillator Meas Settings on page 42 Frequency Settings Opens the Frequency Settings dialog box Frequency Settings Frequency Settings Frequency Table Softkeys and Settings of the Noise Menu R amp S FSV K30 RF LO Image Single Freq 10 000 MHz 10 000 MHz MOM Start Freq 10 MHz 3 009 GHz 3 009GHz BOGA Stop Freq 30 GHz 6 008 GHz 6 008GHz BOWIGAZ Step Freq 2 999 GHz 9 007 GHz 9 007 GHz Booo Center Freq 15 005 GHz 12 006 GHz 12 006 GHz MOON Span 29 99 GHz 15 005 GHz 15 005 GHz MOON Sweep points 11 18 004 GHz 18 004 GHz gooo MODE Fixed IF Down Conv 21 003 GHz 21 003 GHz Boos ea Fixed LO 24 002 GHz 24 002 GHz PANCHA Fixed IF O Hz 27 001 GHz 27 001 GHz PACA Image Bei 999 99 dB 30 000 GHz 30 000 GHz BOONE Frequency Settings Frequency Settings Under Frequency Settings the frequency settings and the measurement mode are set Single Freq Frequency Settings Frequency Settings Activates a single frequency measurement Instead
3. OFF RST OFF Example CALC LIM STAT ON Switches on the limit check for limit line 1 CALCulate Subsystem Noise Figure R amp S FSV K30 Manual operation See Enable Disable on page 56 CALCulate lt n gt LIMit lt m gt TRACe lt MeasType gt This command assigns a limit line to a particular measurement type Suffix lt n gt 1 4 irrelevant lt m gt 1 6 limit line Parameters lt MeasType gt NFIGure TEFFective GAIN NFIGure noise figure TEFFective noise temperature GAIN gain Example CALC LIM2 TRAC NFIG Assigns limit line 2 to the noise figure measurement CALC LIM3 TRAC GAIN Assigns limit line 3 to the gain measurement Mode NF Manual operation See Limit on page 55 This command defines the vertical definition points of an upper limit line If the measured values exceed the UPPer limit line the limit is violated Suffix lt n gt irrelevant lt k gt 1 8 Selects the limit line Parameters lt LimitLinePoints gt Variable number of x axis values Note that the number of horizontal values has to be the same as the number of vertical values set with CALCulate lt n gt LIMit lt k gt CONTrol DATA If not the R amp S FSVR either adds missing values or ignores surplus values RST LIMit STATe is set to OFF CALCulate Subsystem Noise Figure R amp S FSV K30 Example CALC LIM2 UPP 10 0 0 10 5 Defines 5 upper limit values for limit line 2 in the preset uni
4. SENSe FREQuency CW 1E3 SENSe FREQuency FIXed 1E3 A vertical stroke in parameter indications marks alternative possibilities in the sense of or The effect of the command differs depending on which parameter is used Example Selection of the parameters for the command SENSe lt 1 4 gt AVERage lt 1 4 gt TYPE VIDeo LlNear 0 Key words in square brackets can be omitted when composing the header The full command length must be accepted by the instrument for reasons of compatibility with the SCPI standards Parameters in square brackets can be incorporated optionally in the command or omitted as well Wi Parameters in braces can be incorporated optionally in the command either not at all once or several times Description of Parameters Due to the standardization the parameter section of SCPI commands consists always of the same syntactical elements SCPI has therefore specified a series of definitions which are used in the tables of commands In the tables these established definitions are indicated in angled brackets lt gt and is briefly explained in the following For details see the chapter SCPI Command Structure in the base unit description lt Boolean gt This keyword refers to parameters which can adopt two states on and off The off state may either be indicated by the keyword OFF or by the numeric value 0 the on state is indicated by ON or any numeric
5. converting measurement mode is selected Mode field For details on modes refer to chapter 3 2 Measurement Modes of the Noise Figure Measurement on page 13 R amp S FSV K30 Menu and Softkey Description R amp S FSV K30 If the fixed LO is changed the Frequency Table is updated accordingly Remote command SENSe CONFigure MODE SYSTem LOSCillator FREQuency on page 98 Image Rej Frequency Settings Frequency Settings Specifies the suppression applied to the second sideband This field is only available if a frequency converting measurement mode is selected For details on modes refer to chapter 3 2 Measurement Modes of the Noise Figure Measurement on page 13 The value entered is applied across the complete frequency range A value of 999 99 dB corresponds to the generally used single sideband measurement SSB where the second sideband does not noticeably affect the measurement result This is the default value A value of 0 dB corresponds to the double sideband measurement DSB where both sidebands are converted to the same extent Remote command SENSe CORRection IREJection on page 92 Frequency Table Frequency Settings Under Frequency Table the individual measurement steps are listed that will be per formed exactly in the order of the table They are generated from the start frequency the stop frequency and the step size on basis of the selected mode If the start fre quency is
6. INIT Starts a new measurement if no measurement sequence is already in progress Usage Event Mode NF Manual operation See Continuous sweep on page 51 CONFigure LIST SINGle This command configures a frequency list measurement in single sweep mode Example CONF LIST SING Configures to run frequency list measurement in single sweep modes INIT Starts a new measurement if no measurement sequence is already in progress Usage Event Mode NF Manual operation See Sweep Single on page 51 8 4 DISPlay Subsystem Noise Figure K30 CONFigure SINGle This command configures a fixed frequency measurement It requires a frequency list measurement to have been performed previously See CONFigure LIST SINGle CONFigure LIST CONTinuous on page 76 or CONFigure FREQ SING1le CONFigure FREQ CONTinuous on page 75 Example CONF LIST SING Configures to run a frequency list measurement in single sweep mode INIT Performs the frequency list measurement CONF SING Configures to run fixed frequency measurements FREQ 10MHz Sets a fixed frequency of 10 MHz INIT Starts a new measurement if no measurement sequence is already in progress Usage Event Mode NF Manual operation See Fix Freq on page 52 DISPlay Subsystem Noise Figure K30 The DISPLay subsystem controls the selection and presentation of textual and graphic information as well as of measurement data on the display
7. Noise Figure Measurements option a Press the SWEEP key b Press the Cal softkey The progress bar indicates the progress of the calibration measurement Performing the main measurement 1 Insert the DUT in this example the amplifier into the test setup between the noise source and RF input of the R amp S FSVR see figure 4 2 NOISE SOURCE ov 28 Fig 4 2 Test setup for the main measurement 2 To select the sweep mode press the SWEEP key 3 Press the RUN SINGLE key to start a single measurement O Frequency Converting Measurements Measurement results are updated as the measurement is in progress The results are displayed in graphical form There are two traces one for noise figure tempera ture and one for the gain of the DUT 4 To change the display from the graphical form to a tabular list of measurement points press the Display List Graph softkey in the Trace menu Note If a measurement is started while another measurement is still in progress the first measurement is aborted and the new measurement started immediately 4 1 2 4 2 DUTs with very Large Gain If the gain of the DUT exceeds 60 dB the total gain must be reduced by an external attenuator The total gain of the DUT together with the external attenuator should lie within the range from 10 dB to 60 dB A total gain of 20 dB to 30 dB is recommended For a DUT with a gain of e g 64 dB it is recommended to use an external 4
8. OFF RST ON Example DISP CURR DATA OFF Removes the current result traces from display Mode NF Manual operation See Data On Off on page 53 DISPlay DATA TRACe lt t gt lt ResultType gt This command specifies the type of noise results to be displayed in trace 1 Suffix lt t gt 1 trace only trace 1 is valid for noise results Return values lt ResultType gt NFIGure TEFFective GAIN NFIGure noise figure results in dB TEFFective noise temperature in K GAIN gain Gain is not available when using Digital Baseband Interface RSS FSV B17 RST NFlGure Example DISP DATA TRAC1 NFIG Displays the noise figure results in trace 1 DISPlay Subsystem Noise Figure K30 Mode NF Manual operation See Y Axis on page 46 See Y Axis on page 48 DISPlay FORMat lt Format gt This command activates or deactivates the combined trace display of noise and gain results Combined trace display SPLit is not available when using Digital Baseband Interface R amp S FSV B17 Parameters lt Format gt SPLit SINGle RST SING Example DISP FORM SPL Displays noise and gain results in separate graphs Mode NF Manual operation See Combined Trace Display on page 46 DISPlay WINDow lt n gt TABLe lt State gt This command activates or deactivates the result table display Suffix lt n gt 1 window Parameters lt State gt ON OFF RST OFF Ex
9. PHN Phase Noise measurements R amp S FSV K40 PSM Power Sensor measurements option R amp S FSV K9 RT Realtime mode SFM Stereo FM measurements optionR amp S FSV K7S SPECM Spectogram mode option R amp S FSV K14 TDS TD SCDMA base station UE measurements option R amp S FSV K76 K77 VSA Vector Signal Analysis option R amp S FSV K70 WCDMA 3GPP Base Station measurements option R amp S FSV K72 3GPP UE measure ments option R amp S FSV K73 WLAN WLAN TX measurements option R amp S FSV K91 O The spectrum analysis mode is implemented in the basic unit For the other modes the corresponding options are required Upper Lower Case Notation Upper lower case letters are used to mark the long or short form of the key words of a command in the description The instrument itself does not distinguish between upper and lower case letters Special Characters A selection of key words with an identical effect exists for several commands These keywords are indicated in the same line they are separated by a vertical stroke Only one of these key words needs to be included in the header of the command The effect of the command is inde pendent of which of the keywords is used Operating Manual 1176 7562 02 03 1 Notation Example SENSe FREQuency CW FIXed The two following commands with identical meaning can be created They set the fre quency of the fixed frequency signal to 1 kHz
10. See Fixed LO on page 38 See LO IF on page 50 SENSe FREQuency CW FIXed lt Frequency gt This command specifies a fixed frequency to measure noise and gain continuously fixed frequency measurement Parameters lt Frequency gt lt numeric value gt RST 550 MHz Example CONF SING Configures to run fixed frequency measurements FREQ 10MHz Sets a fixed frequency of 10 MHz Usage SCPI confirmed Mode NF Manual operation See Fix Freq on page 52 SENSe FREQuency CENTer lt Frequency gt This command defines the center frequency frequency domain or measuring fre quency time domain SENSe Subsystem Noise Figure R amp S FSV K30 Parameters lt Frequency gt Range 0 to fmax RST fmax 2 Default unit Hz fmax IS specified in the data sheet min span is 10 Hz Example FREQ CENT 100 MHz Manual operation See Center Freq on page 38 See Center Freq on page 49 SENSe FREQuency LIST DATA lt FrequencyList gt This command specifies a new frequency list for frequency list measurement Each list entry consists of three separate frequency entities a receive frequency RF a local oscillator frequency LO and an intermediate frequency IF The new list com pletely overwrites all the current frequency list entries regardless of how many entries are present and how many entries are being supplied for the new list The new list is the active list until a new list is automatically crea
11. depends on mode irrelevant Example CALC MARK AOFF Switches off all markers Usage Event Manual operation See All Marker Off on page 54 CALCulate lt n gt MARKer lt m gt MAXimum PEAK This command positions the marker on the current trace maximum The corresponding marker is activated first or switched to the marker mode If no maximum value is found on the trace level spacing to adjacent values lt peak excursion an execution error error code 200 is produced Suffix lt n gt Selects the measurement window lt m gt depends on mode Selects the marker Example CALC MARK2 MAX Positions marker 2 to the maximum value of the trace Usage Event Manual operation See Peak on page 54 CALCulate lt n gt MARKer lt m gt MINimum PEAK This command positions the marker on the current trace minimum The corresponding marker is activated first or switched to marker mode if necessary If no minimum value is found on the trace level spacing to adjacent values lt peak excursion an execution error error code 200 is produced Suffix lt n gt Selects the measurement window lt m gt depends on mode Selects the marker CALCulate Subsystem Noise Figure R amp S FSV K30 Example CALC MARK2 MIN Positions marker 2 to the minimum value of the trace Usage Event Manual operation See Min on page 54 CALCulate lt n gt MARKer lt m gt STATe lt State gt This command turns markers o
12. n 54 55 Marker to Trace remote Control a se 72 Mech Atten Manual remote control mu 87 Preamp On Off cessisset 44 Preamp On Off remote control 088 RF Atten Manual remote Control 87 Select 1 2 3 4 remote Control ceceeeeeeeeeeeeeeeeee 74 Single Meas remote control Single Sweep remote control Sweep Count remote control du Sweep Time remote control ooococnccniccnnccnncninccccno Sweeptime Manual remote control c eeeeeee 101 SpecialicharacierS dut tie 62 sweep continuous OO ui Sweep menu Keen e etn de 51 Sweep TIMO EE 43 T Trace menu KIO ici aaa aaa 52 TX Settings ee KEE 57 U Upper case commande ooocccocccicccnoccccoccconcconncconcconnnnnnccos 62
13. remote control k n 75 Data gt Mem1 K30 irsinin eee 02 Data gt Mem remote control K30 oseere 74 D ta gt Mem2 K30 iii 52 Data gt Mem2 remote control K30 14 Data gt Mem3 K30 eeeseseereeeee 52 Data gt Mem3 remote control K30 14 Data ONO MIKO ciutat ni n 53 Data On Off remote control K30 78 79 Dec iii ada 53 Delete KIO yucatan 49 56 Delete remote Control siii 66 Display List Graph icono aceites 52 Display LiSUGraph K30 comica 52 Display List Graph remote control K30 79 Display Settings K30 vicios 45 Display Settings remote control K30 78 79 80 81 82 84 Egit K3 usara 56 Edit remote control 65 69 Enable Disable K30 c cccceceeeeseeeeeeeeeeeeeeeeeeeeee 56 ENR Settings K30 vicioso tinc VERSEN EEN 40 ENR Settings remote control K30 91 92 96 Exit K30 egen tien ee dere 49 56 EIERE ege Ee 52 Fix Freq remote control k n 77 98 Freq Settings KIO cuca Ee Ee Anne 36 Freq Settings remote control K30 92 99 100 E Ode EE 49 56 Limit Line Select dialog box remote control 67 70 Loss Settings KZO wiv ccs didas 41 Loss Settings remote control K30 93 94 95 Marker 1 to 4 remote control s s 72 73 Marker 1 2 3 4 K30 Meas Settings K30 Meas Settings remote control K30 83 91 103 104 Mem On Off K30 airis iaa Mem
14. 47 See Symbols on page 48 DISPlay WINDow lt n gt TRACe lt t gt X SCALe lt Frequency gt This command selects the frequency to be displayed on the x axis if the DUT is not an amplifier i e in a frequency converting measurement mode DISPlay Subsystem Noise Figure K30 Suffix lt n gt 1 window lt t gt 1 2 indicates the measurement results Trace 1 is always used for noise results and trace 2 is always used for gain results Parameters lt Frequency gt IF RF RST RF Example CONF MODE DUT DOWN see SENSe CONFigure MODE DUT The DUT converts the input frequency to a lower output fre quency DISP TRAC X IF The IF frequency is displayed on x axis Mode NF Manual operation See X Axis on page 48 See Frequency Axis on page 50 DISPlay WINDow lt n gt TRACe lt t gt Y SCALe AUTO lt State gt This command activates or deactivates the automatic scaling of the Y axis for the specified trace display Automatic scaling provides best fit of the Y axis to the mea surement results This command is not available when using Digital Baseband Interface R amp S FSV B17 Suffix lt n gt 1 window lt t gt 1 2 indicates the measurement results Trace 1 is always used for noise results and trace 2 is always used for gain results Parameters lt State gt ON OFF RST ON for both traces Example DISP TRAC2 ON see DISPlay WINDow lt n gt TRACe lt t gt SYMBols Switches on the di
15. Advanced Measurement Examples The data measured in the cali bration measurement are used for compensation in the main measurement It is strongly recommended that you perform calibration before running measurements see Cal on page 49 You can run measurements in an uncalibrated status but the measurement results will not be corrected for any noise introduced by the spectrum analyzer itself If the list of receive frequencies RF is changed at which the measurements are per formed calibration is necessary again to ensure that calibration data is available for every measurement step For details on frequency settings refer to Frequency Set tings on page 36 Calibration data can be saved and recalled at any time via the SAVE RCL key for details refer to the base unit description It is also included if All Traces are stored Selecting the Appropriate Filter Type All resolution bandwidths are realized with digital filters List of Available RRC and Channel Filters The video filters are responsible for smoothing the displayed trace Using video band widths that are small compared to the resolution bandwidth only the signal average is displayed and noise peaks and pulsed signals are repressed If pulsed signals are to be measured it is advisable to use a video bandwidth that is large compared to the resolution bandwidth VBW 10 x RBW for the amplitudes of pulses to be measured correctly The following filter types a
16. Const Source Const RBW 3 MHz Const 15dB Const OdB Const OdB Preamp On Ref Level 40 dBm RF RF Att 0 dB Start 10 MHz Stop 10 MHz RF Start 10 MHz Stop 10 MHz Fig 6 1 Schematic diagram for direct measurements Frequency converting measurement The frequency converting measurement mode is designed for frequency convert ing DUTs that have a fixed Local Oscillator LO frequency for example satellite converters with a fixed LO frequency The schematic display for the frequency converting measurement mode is shown in figure 6 2 The upper part of the figure shows the setup for calibration The lower part of the figure shows the test setup for the measurement Softkeys and Settings of the Noise Menu R amp S FSV K30 Schematic overview x Calibration Type NS XX Noise Source N 2nd Stage Corr On Spectrum Analyzer Source Const IF Const 15 dB Start 0 Hz Stop 0 Hz Measurement Type NS XX Type Fixed IF Down Conv Noise Source Loss Spectrum Output Analyser BW Source Const RI 3 MHz Const 0dB Preamp On Ref Level 40 dBm Source Const Source Const Const 15dB Const OdB RF Local RF Att 0dB Oscillator Start 10 MHz Stop 10 MHz Type SMU02 Image Frequency LO IF Start 10 MHz Start 10 MHz Start 0 Hz Stop 10 MHz Stop 10 MHz Stop 0 Hz Fig 6 2 Schematic diagram for frequency converting measurements
17. DC component in addition to the noise spectrum If the noise source is switched on or off low frequency DUTs may require this settling time for coupling capacitors to be charged or discharged Remote command SYSTem CONFigure DUT STIMe on page 104 Average Analyzer Settings Meas Settings Specifies the number of measurement sweeps over which the average is taken to pro duce the displayed measurement results The higher the number of sweeps the more accurate the measurement results but the measurement time is significantly longer An average value of 1 means that each displayed result is produced from one mea surement sweep This is sufficient for most cases Remote command SENSe SWEep COUNt on page 101 RF Attenuation Analyzer Settings Meas Settings Specifies the attenuation that is applied to the received RF signal To obtain a low noise figure for the analyzer and hence more accurate noise measure ments O dB should be set For high DUT power levels or critical matching a higher setting is also possible A setting of 10 dB will give a much better VSWR voltage standing wave ratio of the analyzer but will result in a worse noise figure of the ana lyzer Remote command INPut ATTenuation on page 87 Softkeys and Settings of the Noise Menu R amp S FSV K30 Automatic Ref Level Analyzer Settings Meas Settings Activates or deactivates the automatic reference level setting The automatic
18. SCPI confirmed NF See Min Y Axis NF Max Y Axis NF on page 47 See Min Y Axis Temp Max Y Axis Temp on page 47 See Min Y Axis Max Y Axis on page 48 FETCh Subsystem Noise Figure K30 8 5 FETCh Subsystem Noise Figure K30 The FETCh subsystem retrieves results for the most recently completed fixed fre quency or frequency list measurements Frequency list results are returned as a list of results where the result is that requested in the specific fetch command Single fre quency results are single numbers in the described units Note O Corrected measurements are only accessible after a calibration has been performed FETCh ARRay MEMory lt 1 3 gt NO Se FIGULS Ocio dias 85 FETCh ARRay MEMory lt 1 3 gt NOISE GAINO srianan 85 FETCh ARRay MEMory lt 1 3 gt NOlSe TEMPerature AA 85 FETCHARRay NOISE EE 85 FETCHAR Ray NOISEGAIN oo a a EA AEA 85 FETCh ARRay NOISE TEMPerature ococcccccccccconononcnnnnnnanannnnnnnnnnnnnn nn nn nana nana conca 85 RETEHN SCALa NOISE FIGU ti A Ad 86 FETCH SCALa NOISE GAIN Z cuotas in 86 FETCH SCALarNOISE TEE 86 FETCh ARRay MEMory lt 1 3 gt NOISe FlGure FETCh ARRay MEMory lt 1 3 gt NOISe GAIN FETCh ARRay MEMory lt 1 3 gt NOISe TEMPerature This command queries the noise measurement results of the selected memory The results are returned as an array of up to 100 elements of noise figure gain or tempera ture results This command produces an error if no data is held in the selec
19. Softkeys of the Trace Menu R amp S FSV K30 Using the trace memory facility you can save graphical display results max 3 trace sets for comparison with subsequent measurements This facility is recommended in order to compare and to document the effects of small changes on the DUT The following table shows all softkeys available in the Trace menu in Noise mode TRACE key Display Grapmi iSt coro OI iaa osas 52 Data gt Mem1 Data gt Mem2 Data Mem 52 AA O 53 Mem On Off Mem2 On Off Mem3 On Off ono no naranara canaria 53 ASCII Fl Exp O errata 53 RS 53 Display Graph List Switches between graphical and table display of the measurement results see chap ter 3 4 Result Displays on page 15 Data gt Mem1 Data gt Mem2 Data gt Mem3 Saves the current trace results to trace memory lt n gt If a trace memory lt n gt contains data the corresponding softkey has a green background The content of the trace memory lt n gt is displayed via the Mem1 On Off Mem2 On Off Mem3 On Off softkeys If data is transferred to a trace memory that already contains trace data the new trace data overwrites the current trace data in the memory Remote command CONFigure ARRay MEMory lt 1l 3 gt ONCE on page 74 FETCh ARRay MEMory lt 1 3 gt NOISe FIGure on page 85 FETCh ARRay MEMory lt 1 3 gt NOISe GAIN on page 85 FETCh ARRay NOISE TEMPerature on page 85 Softkeys of the Marker Menu R amp S FSV
20. Table Loss Settings Under Loss Input Table or Loss Output Table the list can contain up to 100 RF ENR pairs The order of the RF values in the list is not important To modify this table proceed as described in chapter 5 Instrument Functions of Noise Figure Mea surements R amp S FSV K30 on page 31 Loss tables can be saved and recalled at any time via the FILE key for details refer to the base unit description In addition to the data saved by the basic unit all loss input amp output data entered in the loss settings dialog box is saved Meas Settings Opens the Measurement Settings dialog box to modify all settings related to the over all measurement Alternatively the Measurement Settings dialog box is opened as follows e AMPT key e BW key Calibration Meas Settings Under Calibration the second stage correction can be activated or deactivated For details refer also to chapter 3 6 Calibration on page 18 2nd Stage Correction Calibration Meas Settings Activates or deactivates the second stage correction For details refer also to chapter 3 6 Calibration on page 18 On The calibration data recorded via the Cal softkey is used to correct the measurement results see Cal on page 49 The calibration data is stored regardless of the state of the option off No correction is applied to the measurement results Remote command SENSe CORRection STATe on page 91 Analy
21. To change between these tabs press the tab on the touchscreen Navigating in the table of contents e To move through the displayed contents entries use the UP ARROW and DOWN ARROW keys Entries that contain further entries are marked with a plus sign e To display a help topic press the ENTER key The View tab with the correspond ing help topic is displayed How to Use the Help System e To change to the next tab press the tab on the touchscreen Navigating in the help topics e To scroll through a page use the rotary knob or the UP ARROW and DOWN ARROW keys e To jump to the linked topic press the link text on the touchscreen Searching for a topic 1 Change to the Index tab 2 Enter the first characters of the topic you are interested in The entries starting with these characters are displayed 3 Change the focus by pressing the ENTER key 4 Select the suitable keyword by using the UP ARROW or DOWN ARROW keys or the rotary knob 5 Press the ENTER key to display the help topic The View tab with the corresponding help topic is displayed Changing the zoom 1 Change to the Zoom tab 2 Set the zoom using the rotary knob Four settings are available 1 4 The smallest size is selected by number 1 the largest size is selected by number 4 Closing the help window gt Press the ESC key or a function key on the front panel 2 Introduction Introduction to R amp S FSV K30 amp Noise Measureme
22. Transmitter Type RX Settings EXIQ Opens the EX IQ BOX Settings dialog box to configure the R amp S FSVR for digital input from a connected device Receiver Type AA A Operating Manual 1176 7562 02 03 1 57 Softkeys of the Input Output Menu R amp S FSV K30 Send To EXIQ The configuration settings defined in the dialog box are transferred to the R amp S EX IQ BOX Firmware Update EXIQ If a firmware update for the R amp S EX IQ BOX is delivered with the R amp S FSVR firmware this function is available In this case when you select the softkey the firmware update is performed R amp S Support EXIQ Stores useful information for troubleshooting in case of errors This data is stored in the C R_S Instr user Support directory on the instru ment If you contact the Rohde amp Schwarz support to get help for a certain problem send these files to the support in order to identify and solve the problem faster DiglConf EXIQ Starts the optional R amp S DiglConf application This softkey is only available if the optional software is installed To return to the R amp S FSVR application press any key on the front panel The applica tion is displayed with the EXIQ menu regardless of which key was pressed For details on the R amp S DiglConf application see the R8SOEX 1Q BOX Digital Inter face Module R8 SODiglConf Software Operating Manual Note If you close the R amp S DiglConf window using
23. amp S FSV K30 Y Axis Gain Trace Settings Display Settings Activates or deactivates the display of the gain trace Remote command DISPlay DATA TRACe lt t gt on page 78 DISPlay WINDow lt n gt TRACe lt t gt STATe on page 79 Automatic Scaling Gain Trace Settings Display Settings Activates or deactivates the automatic scaling of the Y axis On The y axis is scaled automatically The automatic scaling algorithm provides the optimal display of the complete range of results Off The automatic scaling of the y axis is switched off and the scale has to be specified manually via the Min Y Axis Max Y Axis fields Remote command DISPlay WINDow lt n gt TRACe lt t gt Y SCALe AUTO on page 81 Min Y Axis Max Y Axis Gain Trace Settings Display Settings Specifies the minimum maximum gain result that can be displayed graphically It is only possible to enter a value if the automatic scaling is deactivated see Automatic Scaling on page 47 and the y axis is activated see Y Axis on page 48 field Remote command DISPlay WINDow lt n gt TRACe lt t gt Y SCALe BOTTom on page 82 DISPlay WINDow lt n gt TRACe lt t gt Y SCALe TOP on page 84 Symbols Gain Trace Settings Display Settings Activates or deactivates the symbol representation If activated each measured value is marked by a symbol This helps to distinguish result types in a monochrome printout Remote com
24. bits not used within the base system e chapter 7 2 STATus QUEStionable Register on page 59 Although this register is provided by the base system the Noise Figure Measurements option uses different bits and definitions e chapter 7 3 STATus QUEStionable CORRection Register on page 60 This register is provided by the R amp S FSV K30 option The following registers are provided by the base system and are not available from the Noise Figure Measurements option R amp S FSV K30 command tree e STATus QUEStionable ACPLimit Register e STATus QUEStionable LIMit Register e STATus QUEStionable LMARgin Register e STATus QUEStionable POWer Register Detailed information on the status registers of the base system is given in section Sta tus Reporting System In this section only the new and altered status registers bits for the Noise Figure Measurements option R amp S FSV K30 are described STATus OPERation Register Additionally to the bits assigned by the base system for details refer to STA Tus OPERation Register the bits no 4 and 7 are defined Bit No Meaning 4 MEASuring A 1 in this bit position indicates that a measurement is in progress 7 CORRecting Indicates that a user calibration is in progress STATus QUEStionable Register Additionally to the bits assigned by the base system for details refer to STA Tus QUEStionable Register the bit no 11 is defined differently STATus QUEStion
25. dialog box K30 a Loss Input Constant sci sois inicia de raro Loss Output COnstamt ccciseccessiaseeceeccsaenn ccttaceeesccnunveveneeses 42 Lower case COMMANAS cecceeceeeeeeeeeeeeeeeeeeeeeeeeeeeaeees 62 M marker A eege eebe 54 Marker menu KO ais 53 Marker To menu KIO usina iio 54 Max Y Axis Temp AT MAXIMUMUSCAIGCN NEE 54 Measurement menu ERUN curan aa 42 menu FREQUENCY KIO vico 36 Lines KIO EE 55 Marker KIO ica AE Ee 53 Marker To K30 04 Measurement K30 42 Noise K30 99 Noise Figure K30 sol Sweep K30 Trace KIO unicos 52 MINIMUM SC ARCH usina lira iii drama Nana 54 N Noise menu E 31 33 O Online help WO FKING KREE 8 Options RF Preamplifier B22 eer en das 44 P PEAKSEARGH EE 54 Preamplifier EE 44 R R amp S Support SOMO densidad 58 le 44 FRB VV IK SO eutanasia llas 42 REP E Aerer las dirias 44 RF Attenuation K30 AA 43 RE Preamplifier AR veces ets castes acia 44 Room Temperature nacionalidad 40 RX Settings SOME eer in 57 S Sample rate Digital UO Interface remote control n s 88 Digital e WEE 45 SCPI Conformity information pararse 61 search minimum peak Settling Time Signal Source Remote CONTON lastra 89 Single Freq Sweep Single Cont remote control K30 75 softkey All Marker Off K80 sirrinin tner 54 ASGIll Fil Exporta adan aos 53 Cal K30 AN Cal
26. displayed in the same trace display in different colors OFF The noise and gain traces are displayed in different trace displays Remote command DISPlay FORMat on page 79 Noise Trace Settings Display Settings The settings related to the graphical display of noise results Note that when using the Digital Baseband Interface R amp S FSV B17 the Min Max Y axis options are not available Y Axis Noise Trace Settings Display Settings Specifies the type of noise result that is to be displayed graphically e Noise Figure e Noise Temperature Softkeys and Settings of the Noise Menu R amp S FSV K30 e Off no noise results are displayed graphically Remote command DISPlay DATA TRACe lt t gt on page 78 DISPlay WINDow lt n gt TRACe lt t gt STATe on page 79 Automatic Scaling Noise Trace Settings Display Settings Activates or deactivates the automatic scaling of the Y axis On The y axis is scaled automatically The automatic scaling algorithm provides the optimal display of the complete range of results Off The automatic scaling of the y axis is switched off and the scale has to be specified manually via the Min Y Axis NF Min Y Axis Temp Max Y Axis NF Max Y Axis Temp fields Remote command DISPlay WINDow lt n gt TRACe lt t gt Y SCALe AUTO on page 81 Min Y Axis NF Max Y Axis NF Noise Trace Settings Display Settings Specifies the minimum maximum noise figure resu
27. here The set of measurement examples in the Quick Start Guide is expan ded by more advanced measurement examples In addition to the brief introduction to remote control in the Quick Start Guide a description of the basic analyzer commands and programming examples is given Information on maintenance instrument interfa ces and error messages is also provided Documentation Overview In the individual option manuals the specific instrument functions of the option are described in detail For additional information on default settings and parameters refer to the data sheets Basic information on operating the R amp S FSVR is not included in the option manuals The following Operating Manuals are available for the R amp S FSVR e R amp S FSVR base unit in addition R amp S FSV K7S Stereo FM Measurements R amp S FSV K9 Power Sensor Support R amp S FSV K14 Spectrogram Measurement e R amp S FSV K10 GSM EDGE Measurement e R amp S FSV K30 Noise Figure Measurement e R amp S FSV K40 Phase Noise Measurement e R amp S FSV K70 Vector Signal Analysis Operating Manual R amp S FSV K70 Vector Signal Analysis Getting Started First measurements e R amp S FSV K72 3GPP FDD BTS Analysis e R amp S FSV K73 3GPP FDD UE Analysis e R amp S FSV K76 77 3GPP TD SCDMA BTS UE Measurement e R amp S FSV K82 83 CDMA2000 BTS MS Analysis e R amp S FSV K84 85 1xEV DO BTS MS Analysis e R amp S FSV K91 WLAN IEEE 802 11 e R amp S FSV K93 WiMAX IEEE 802
28. mode For details see X Axis on page 48 Remote command DISPlay WINDow lt n gt TRACe lt t gt X SCALe on page 80 Frequency Settings Opens the Frequency Settings dialog box For details see Frequency Settings on page 36 6 3 Softkeys of the Span Menu R amp S FSV K30 The SPAN key displays the Span menu Span Specifies the frequency span Remote command SENSe FREQuency SPAN on page 99 Sweep points Defines the number of measured values to be collected during one sweep Remote command SENSe SWEep POINts on page 101 Frequency Settings Opens the Frequency Settings dialog box For details see Frequency Settings on page 36 AMPT key 6 4 AMPT key This key opens the Measurement Settings dialog box and jumps directly to the RF Attenuation field see RF Attenuation on page 43 In addition the standard Noise menu is displayed see chapter 6 1 Softkeys and Settings of the Noise Menu R amp S FSV K30 on page 33 6 5 BW key This key opens the Measurement Settings dialog box and jumps directly to the RBW field see RBW on page 42 6 6 Softkeys of the Sweep Menu R8S FSV K30 The following table shows all softkeys available in the Sweep menu in Noise mode SWEEP key CONnUMUOUS SWCD vocciisoanaic AA AAA AAA 51 SIB IM iia 51 E A TA as da AA L E O AA A A ste EA A E ees 51 CA E 52 Continuous sweep Sets the continuous sweep mode the sweep takes place continu
29. of measuring a list of frequencies a single frequency is measured once or continuously The frequency to be measured is defined in the Start Freq field Remote command CONFigure FREQ CONTinuous on page 75 CONFigure FREQ SINGle on page 75 Start Freq Frequency Settings Frequency Settings Specifies the start frequency This is the first receive frequency RF entry in the Fre quency Table and the Frequency List Results result display For single frequency measurements the start frequency defines the single frequency to be measured If the start frequency is changed the Frequency Table is updated accordingly For details see chapter 3 1 Measurement Types on page 11 Remote command SENSe FREQuency STARt on page 100 Stop Freq Frequency Settings Frequency Settings Specifies the stop frequency This is the last receive frequency RF entry in the Fre quency Table and the Frequency List Results result display If the stop frequency is changed the Frequency Table is updated accordingly Remote command SENSe FREQuency STOP on page 100 Softkeys and Settings of the Noise Menu R amp S FSV K30 Step Freq Frequency Settings Frequency Settings Specifies the step size between the single measurement steps i e entries in the fre quency table If the step frequency is larger than the difference between the start fre quency and the stop frequency the Frequency Table and the Fre
30. status of the noise figure measurement is dis played in the title bar For more details see chapter 3 6 Calibration on page 18 This softkey is only available if the 2nd Stage Correction option in the Measurement Settings dialog box is activated Remote command CONFigure CORRection on page 75 Softkeys of the Frequency Menu R amp S FSV K30 The FREQ key displays the Frequency menu Center Freq Defines the center frequency Remote command SENSe FREQuency CENTer on page 98 Stepsize Specifies the step size between the single measurement steps i e entries in the fre quency table For details see Step Freq on page 38 Remote command SENSe FREQuency STEP on page 100 Start Specifies the start frequency For details see Start Freq on page 37 Remote command SENSe FREQuency STARt on page 100 Softkeys of the Span Menu R amp S FSV K30 Stop Specifies the stop frequency For details see Stop Freq on page 37 Remote command SENSe FREQuency STOP on page 100 LO IF Specifies the fixed local oscillator or fixed IF frequency This function is only available if a frequency converting measurement mode is selected Mode field For details see Fixed LO on page 38 Remote command LO SENSe CONFigure MODE SYSTem LOSCillator FREQuency on page 98 Frequency Axis Specifies the scaling of the x axis This function is only available in a frequency con verting measurement
31. the Close icon the window is minimized not closed If you select the File gt Exit menu item in the R amp S DiglConf window the application is closed Note that in this case the settings are lost and the EX IQ BOX functionality is no longer available until you restart the application using the DiglConf softkey in the R amp S FSVR once again Remote command Remote commands for the R amp S DiglConf software always begin with SOURce EBOX Such commands are passed on from the R amp S FSVR to the R amp S DiglConf automati cally which then configures the R amp S EX IQ BOX via the USB connection All remote commands available for configuration via the R amp S DiglConf software are described in the R amp S EX IQ BOX Digital Interface Module R8SODiglConf Software Operating Manual Example 1 SOURce EBOX RST SOURce EBOX IDN Result Rohde amp Schwarz DiglConf 02 05 436 Build 47 Example 2 SOURce EBOX USER CLOCk REFerence FREQuency 5MHZ Defines the frequency value of the reference clock i 7 1 7 2 STATus OPERation Register Status Reporting System R amp S FSV K30 Additionally to the registers provided by the base system the following registers are used or modified in the Noise Figure Measurements option R amp S FSV K30 e chapter 7 1 STATus OPERation Register on page 59 Although this register is provided by the base system the Noise Figure Measurements option makes use of
32. the configured constant loss input value for all input fre quencies to be measured CORR LOSS INP SPOT 10 Sets the internal input loss constant value to 10 dB for all input frequencies to be measured NF See Loss Input Constant Loss Output Constant on page 42 SENSe CORRection LOSS INPut TABLe lt TableData gt This command specifies a new input loss table to determine the correct input loss to be used for the input frequencies This new list completely overwrites all current input loss list entries regardless of how many entries are present and how many entries are being supplied for the new list Parameters lt TableData gt Example Mode Manual operation lt numeric_value gt lt numeric_value gt a frequency loss pair of arguments frequency 0 Hz to 999 99 GHz max two decimal places loss figure 999 99 to 999 99 value in dB accurate to two deci mal places SENSe CONFigure MODE DUT CORR LOSS INP MODE TABL Uses the loss input table CORR LOSS INP TABL 1MHz 10 2MHz 12 Specifies a new input loss table and overwrites the current input loss table with the two entry pairs specified NF See Loss Settings on page 41 See Selection on page 41 SENSe CORRection LOSS OUTPut MODE lt Mode gt This command specifies whether a constant output loss value applies for all measured frequencies or an output loss list loss output values specified at specific input frequen cie
33. value other than zero Parameter queries are always returned the numeric value 0 or 1 lt numeric_value gt lt num gt These keywords mark parameters which may be entered as numeric values or be set using specific keywords character data The following keywords given below are per mitted e MAXimum This keyword sets the parameter to the largest possible value e MINimum This keyword sets the parameter to the smallest possible value e DEFault This keyword is used to reset the parameter to its default value e UP This keyword increments the parameter value e DOWN This keyword decrements the parameter value CALCulate Subsystem Noise Figure R amp S FSV K30 The numeric values associated to MAXimum MINimum DEFault can be queried by adding the corresponding keywords to the command They must be entered following the quotation mark Example SENSe FREQuency CENTer MAXimum Returns the maximum possible numeric value of the center frequency as result lt arbitrary block program data gt This keyword is provided for commands the parameters of which consist of a binary data block 8 2 CALCulate Subsystem Noise Figure R amp S FSV K30 The CALCulate subsystem checks the marker functions and contains commands for limit lines and their limit checks Note that the R amp S FSV K30 option now has 4 markers thus the suffix for CALCulate MARKer lt m gt commands can have the values 1 4 8 2 1 CALCulat
34. 0 dB attenuator If an external attenuator is used in the Measurement Settings dialog box the entry in the Range field should be modified according to the total gain Gain DUT exter nal attenuator The attenuation values of the external attenuator are entered in the Loss Settings dialog box under Loss Output Settings Inaccuracies when entering this attenuation mainly influence the measured gain The noise figure remains to a large extent unaffected NOISE SOURCE RF Input CONTROL ov 28 Calibration Measurement NOISE SOURCE ame Tes H HE DV 28V Fig 4 3 Calibration and measurement on DUTs with a high gain Frequency Converting Measurements The frequency converting measurement is used for DUTs with an output frequency that differs from the input frequency e g mixers and frequency converters The fre Frequency Converting Measurements quency converting measurement allows many variations which differ from each other in two criteria e chapter 4 2 1 Fixed LO Measurements on page 27 e chapter 4 2 2 Image Frequency Rejection SSB DSB on page 27 4 2 1 Fixed LO Measurements In the Frequency Settings dialog box select one of the following settings for the Mode parameter e Fixed LO Up Conv for up converting devices with IF RF LO e Fixed LO Down Conv for down converters with IF abs RF LO or image mea surements 4 2 2 Image Frequency Rejection SSB DSB Test Set
35. 0 dB 1 ENR Const 15 dB Fixed LO Preamplifier Off 2nd Stage Corr On LO Source Schematic Overview Frequency Settings 90 dB 80 dB 70 dB 60 dB 30 dB Settings 50 dB 32 dB Meas Settings 40 dB Display L 30 dB 36 dB Settings 20 dB 10 dB Measurement Complete rm Fig 3 2 Graphical result display example requency List Results RF ESE Fig 3 3 Result display table example The following information is displayed in the table Operating Manual 1176 7562 02 03 1 16 R amp S FSV K30 Measurement Basics Column Description Used settings RF Receive frequency at the DUT at which the values in this row of the table were mea sured Hz LO Local oscillator frequency Hz not displayed for direct or Digital IQ measurements IF Intermediate frequency Hz not displayed for direct or Digital IQ measurements Results NF Noise figure measured dB Noise Temp Noise temperature K derived from measured noise figure Gain Gain measured dB not available when using the Digital Baseband Interface R amp S FSV B17 Fixed frequency results Under Fixed Frequency Meter the measurement results for the fixed frequency measurement are displayed and continuously updated see also chapter 3 1 Mea surement Types on page 11 The Frequency List Results do not change these are the results of the last frequency list measurement During a running measu
36. 0 or 1 are set one sweep is performed Parameters lt NumberSweeps gt 0 to 32767 RST 0 GSM 200 PHN 1 Example SWE COUN 64 Sets the number of sweeps to 64 INIT CONT OFF Switches to single sweep mode INIT WAI Starts a sweep and waits for its end Manual operation See Average on page 43 SENSe SWEep POINts lt NumberPoints gt This command defines the number of measurement points to be collected during one sweep Parameters lt NumberPoints gt Range 2 to 100 RST 11 Example SWE POIN 251 Manual operation See Sweep points on page 38 See Sweep points on page 50 SENSe SWEep TIME lt Time gt This command defines the sweep time The range depends on the frequency span Parameters lt Time gt refer to data sheet RST automatic Example SWE TIME 10s Manual operation See Sweep Time on page 43 STATus Subsystem Noise Figure R amp S FSV K30 8 11 STATus Subsystem Noise Figure R amp S FSV K30 The STATus subsystem contains the commands for the status reporting system See part RST does not influence the status registers STATus QUEStionable CORRectionl EVENI cocoa 102 STATus QUEStionable CORRection CONDItiON 2 cc ccccccessceceesceecseseeeeseseceeneceseeseeeaaees 102 STATusOUEztonable CObRechonENAble 102 STATus QUEStionable CORRecton N TRANSOM scrsniiiiiiioiiiin adidir 103 STATusOUEGuonable CObRbechon
37. 1 Uses the configured constant ENR value for all measured fre quencies CORR ENR SPOT 30 Sets the constant ENR value to 30 dB for all input frequencies to be measured Mode NF Manual operation See Selection on page 40 See ENR Constant on page 40 SENSe CORRection ENR MEASurement TABLe DATA lt TableData gt This command specifies a new ENR table to determine the correct ENR excess noise ratio figure to be used for the input frequencies This new list completely overwrites all current ENR frequency list entries regardless of how many entries are present and how many entries are being supplied for the new list Parameters lt TableData gt numeric value a frequency ENR pair of arguments frequency 0 Hz to 999 99 GHz ENR figure 999 99 to 999 99 value in dB accurate to two deci mal places Example CORR ENR MODE TABL see SENSe CORRection ENR MODE on page 91 Uses the ENR table CORR ENR MEAS TABL DATA 1MHZ 10 2MHZ 12 Specifies a new ENR table and overwrites the current ENR table with the two entry pairs specified Mode NF Manual operation See ENR Settings on page 40 SENSe CORRection IREJection lt Value gt This command specifies an image rejection value for the selected DUT SENSe CONFigure MODE DUT command which will be effective throughout the entire fre quency range This command is not available when using Digital Baseband Interface R amp S FSV
38. 1 2 3 Notes on Screenshots When describing the functions of the product we use sample screenshots These screenshots are meant to illustrate as much as possible of the provided functions and possible interdependencies between parameters The screenshots usually show a fully equipped product that is with all options instal led Thus some functions shown in the screenshots may not be available in your par ticular product configuration 1 3 How to Use the Help System Calling context sensitive and general help gt To display the general help dialog box press the HELP key on the front panel The help dialog box View tab is displayed A topic containing information about the current menu or the currently opened dialog box and its function is displayed For standard Windows dialog boxes e g File Properties Print dialog etc no context sensitive help is available gt Ifthe help is already displayed press the softkey for which you want to display help A topic containing information about the softkey and its function is displayed If a softkey opens a submenu and you press the softkey a second time the submenu of the softkey is displayed Contents of the help dialog box The help dialog box contains four tabs e Contents contains a table of help contents e View contains a specific help topic e Index contains index entries to search for help topics e Zoom contains zoom functions for the help display
39. 16 OFDM OFDMA Analysis e R amp S FSV K100 K104 EUTRA LTE Downlink Measurement Application e R amp S FSV K101 K105 EUTRA LTE Uplink Measurement Application These manuals are available in PDF format on the CD delivered with the instrument Service Manual This manual is available in PDF format on the CD delivered with the instrument It describes how to check compliance with rated specifications instrument function repair troubleshooting and fault elimination lt contains all information required for repairing the R amp S FSVR by replacing modules The manual includes the following chapters Chapter 1 Performance Test Chapter 2 Adjustment Chapter 3 Repair Chapter 4 Software Update Installing Options Chapter 5 Documents Online Help The online help contains context specific help on operating the R amp S FSVR and all available options It describes both manual and remote operation The online help is Conventions Used in the Documentation installed on the R amp S FSVR by default and is also available as an executable chm file on the CD delivered with the instrument Release Notes The release notes describe the installation of the firmware new and modified func tions eliminated problems and last minute changes to the documentation The corre sponding firmware version is indicated on the title page of the release notes The cur rent release notes are provided in the Internet 1 2 Conventions Used in
40. 4 Documentation Overview 1 Preface 1 1 Documentation Overview The user documentation for the R amp S FSVR is divided as follows e Quick Start Guide e Operating Manuals for base unit and options e Service Manual e Online Help e Release Notes Quick Start Guide This manual is delivered with the instrument in printed form and in PDF format on the CD It provides the information needed to set up and start working with the instrument Basic operations and basic measurements are described Also a brief introduction to remote control is given The manual includes general information e g Safety Instruc tions and the following chapters Chapter 1 Introduction General information Chapter 2 Front and Rear Panel Chapter 3 Preparing for Use Chapter 4 Firmware Update and Installation of Firmware Options Chapter 5 Basic Operations Chapter 6 Basic Measurement Examples Chapter 7 Brief Introduction to Remote Control Appendix Printer Interface Appendix LAN Interface Operating Manuals The Operating Manuals are a supplement to the Quick Start Guide Operating Manuals are provided for the base unit and each additional software option The Operating Manual for the base unit provides basic information on operating the R amp S FSVR in general and the Spectrum mode in particular Furthermore the soft ware options that enhance the basic functionality for various measurement modes are described
41. 56 E A ademas cilagesDecsinie 56 L Delele coarnenonmininnnnanna ninnan ne oe tee eee aera 56 New Displays the Limit Line dialog box in edit mode with all fields necessary to define a new limit line Name New Specifies the name of the limit line to uniquely identify every limit line Any combination of alphanumeric characters is allowed If the entered name already exists an error message is displayed with the request to alter the name Remote command CALCulate lt n gt LIMit lt k gt NAME on page 68 Limit New Specifies the result type noise or gain and the limit type upper or lower for the limit line Remote command CALCulate lt n gt LIMit lt m gt TRACe on page 69 Softkeys of the Lines Menu R amp S FSV K30 Comment New Specifies a description for the limit line Any combination of alphanumeric characters is allowed Remote command CALCulate lt n gt LIMit lt k gt COMMent on page 65 Frequency New Specifies the receive frequencies Remote command CALCulate lt n gt LIMit lt k gt CONTrol DATA on page 65 Limit New Specifies the limits for the receive frequencies Remote command CALCulate lt n gt LIMit lt k gt LOWer DATA on page 66 CALCulate lt n gt LIMit lt k gt UPPer DATA on page 69 Edit Displays the Limit Line dialog box in edit mode with all data of the selected limit line For further details refer to the New softkey Enable Disable Enables or disable
42. 7 SENSe CONFigtire leede LN WEE 97 ISGENGeJCONFoure MODE GxvGTtemLOScClatorEREOuencny renere rene 98 SENSe FREQuencylCWEFIXOd ooo ets 98 SENSE I FREQUen y CENTO iaa dis 98 SENSO JFREQUSNOV UST DATA tas a A AA A ibi 99 SENSe PREQuency SPAN uu aida 99 SENSe FREQUENASTA Roi 100 SENSe PREQUGMCy STEP ii sett eed iaaa nadien baiia 100 Ei Ee ee EE 100 SENSO EC UI cc ii da 101 E Ee e CC 101 Ei ETag LE 101 SENSe Subsystem Noise Figure R amp S FSV K30 SENSe BANDwidth BWIDth RESolution lt Bandwidth gt This command defines the resolution bandwidth The available resolution bandwidths are specified in the data sheet For details on the correlation between resolution bandwidth and filter type refer to chapter 3 7 Selecting the Appropriate Filter Type on page 18 In realtime mode the resolution bandwidth is always coupled to the span In all other modes a change of the resolution bandwidth automatically turns the coupling to the span off Parameters lt Bandwidth gt refer to data sheet RST AUTO is set to ON Example BAND 1 MHz Sets the resolution bandwidth to 1 MHz Manual operation See RBW on page 42 SENSe CONFigure MODE DUT lt Type gt This command defines the type of DUT This setting determines the method that is used to create the frequency measurement list Fixed local oscillator frequencies are taken from the settings supplied by SENSe CONFigure MODE SYSTem LOSCillator FREQuency on pag
43. B17 SENSe Subsystem Noise Figure R amp S FSV K30 Parameters lt Value gt Range 0 dB to 999 99 dB RST 999 99 dB Example SENSe CONFigure MODE DUT CONF MODE DUT DOWN The DUT converts the input frequency to a lower output fre quency CORR IREJ 100 Sets an image rejection value of 100 dB Mode NF Manual operation See Image Rej on page 39 SENSe CORRection LOSS INPut MODE lt Mode gt This command specifies whether a constant input loss value applies for all measured frequencies or an input loss list loss input values specified at specific input frequen cies The constant loss input value is specified by the SENSe CORRection LOSS INPut SPOT command Parameters lt Mode gt SPOT TABLe SPOT The constant loss input value for all measurement frequencies is used TABLe The loss input table is used RST SPOT Example CORR LOSS INP MODE SPOT Uses the configured constant loss input value for all input fre quencies to be measured Mode NF Manual operation See Selection on page 41 SENSe CORRection LOSS INPut SPOT lt Value gt This command specifies the loss input constant for all input frequencies to be mea sured Parameters lt Value gt 999 99 to 999 99 dB accurate to two decimal places RST 0 dB Example Mode Manual operation SENSe Subsystem Noise Figure R amp S FSV K30 SENSe CONFigure MODE DUT CORR LOSS INP MODE SPOT Uses
44. Contents Contents o ee 5 1 1 Documentation Overview ccccccessseencesseeeeeeeeseceeeeeeseseeeeeseseeseeeeesseeeeeeeeseseeeesenseeseenens 5 1 2 Conventions Used in the DocumentatiON ooooccccnninnnnnnnnnannnnnnnnananoncnnnnnnn nr rnnannrnn crac 7 1 3 How to Use the Help System cceecsesccsesseeeeeeeeseeeseeeeeeeeesesesseeeseeseseeeeseeeeseeeseesesseenens 8 2 INToOduUCiIO NM iii 10 3 Measurement BaSICs sseeeeeeeeeeeeeeeeeeeeeeeeseeeeeeseeseesssssseeeeeneeeees 11 3 1 Measurement Types cccsccccceeeseeeeeeeeneeneeeeeeeeneeeeeseaeeeeeesseeeeeeeasseeneeeeaseceeeeensaseeneensegs 11 3 2 Measurement Modes of the Noise Figure MeaSurement ccccccsseeeeeeeseeeseeneseeenens 13 3 3 Measurement Settings Overview cccccescceceesesseneeeeseeeeeeeseseeeeeeeeeseeeeeeesseeeeenenseenees 14 3 4 Result DISplay 00 dee een 15 3 5 Status Bar INFOrmation ceeeccceeseeeceeeeeeeeeeeeneeeeeseeeeeeeeeseeueeneeeseeeeeneeseeseseeeeeneneenenees 18 3 0 Kalbtattonzestu ei ere eege ee ee eeben 18 3 7 Selecting the Appropriate Filter Type ee EEN EE EEN 18 3 8 List of Available RRC and Channel Filters cccccccsseecceseeeeeeeeeeeeeeeeeeeneseeeseneeeseenens 19 3 9 ASCII File Export Formatsion Ea a Eear EA EEEa aE 21 4 Measurement Examples RSSESVKRAOL ee 23 dt DireertNeas Hterenlerseekrregegeeegegteeu ege deeg 23 4 2 Frequency Converting MeasureMentS mmccconnocncccnnnnnncnnnnnancnnnnnn rre 26 5 Instrument Functions of N
45. EASurement TABLe DATA ic 92 SENSe JCORRection IREJECHON vota id A ct 92 SENSe CORRection EOSS INPUEMODE eege eegene 93 SENSe CORRE ction LOSSIINPUESPO Vii cessecsssvsccccvsccoscacsiccsccadvecesstacsacnsttasetncsnecoaseiaadenstendns arte dee caian 93 SENSe JCORRection LOSS INPut TABL Esisi enii dad te nde ais 94 SENSe CORRecti n LOSS OUTPUEMODES xr a 94 SENSE CORREction LOSS OUTPU SPOT iscriere ivre vair aTr EEEn a ada 95 SENSe CORRection LOSS OU TPUutTABLe cisco aai tee eei 95 SENSe CORREction NOTE 96 SENSe CORRection S EE EN SENSe JFREQuency CEN Teri dee EE dE ANEN deed EEO Eed 98 SENSe FREQuency LIST DATA 4 099 SENSe JFREQuency SRAN DEE 99 EI E ele EE 100 ISENS J FREQUENCY S E 100 SENSe FREQUENCY S TOP via vis cccscescccnstisacherovicescsveohneusteasvnavecsocenadniinasensvicvscsuaaheueai ais dE ATEEN PEATE 100 SENSe FREQuency CW FIXGd ccoo id dt E 98 SEN Ee ee Ee 101 SENSe SWEep POINts SENSE VENGA E CALculate lt n gt LIMitek gt COM Motivo as 65 CALCulate lt n gt LIMit lt k gt CON Troll SHUEE cocinar dea 65 GALCulatesn gt LIMit lt k gt CON Trol DATA A ccoo acetato in 65 CALCulate lt n gt LIMItsk gt DEL E 66 CAL Culate lt n gt LIMItSkS FAIL iiris sures veceventiascesssensyscovechsnnesezsvactocanssestnaiaacoecessktcesasacsnaeh atacada 67 CALCulate lt n gt LIMit lt k gt LOWer SHIFt VE E e Be e NR CALCulate lt n gt LIMIt lt k gt LOWer DATA sic icon ii GAL Culate lt n
46. Freq field enter 550 MHz In the Stop Freq field enter 560 MHz In the Step Freq field enter 2 MHz A measurement at 6 frequency points is performed 550 MHz 552 MHz 554 MHz 960 MHz Press the ENR Settings softkey to open the ENR dialog box ENR Settings ENR Table RF ENR X 0 Hz O dB ENR Constant 115 dB 0 Hz 0 dB Room Temperature 293 K In the ENR Constant field enter the average ENR value of the used noise source for the frequency range of interest for example 15 dB Press the Meas Settings softkey to open the Measurement Settings dialog box Direct Measurements Measurement Settings Calibration 2nd Stage Correction Analyzer Settings RBW 1 MHz Sweep Time 100 ms Settling Time 50 ms Average 1 RF Attenuation 0 dB Automatic Ref Level Y Ref Level Range 30 dB Preamplifier Lei 9 Ifitis not yet active activate the 2nd Stage Correction option to perform the mea surement as accurately as possible Performing the calibration 1 Connect the noise source to the RF input of the R amp S FSVR see figure 4 1 2 Provide the voltage supply for the noise source by connecting it to the 28 V con nector of the R amp S FSVR labeled NOISE SOURCE CONTROL on the front panel of the instrument via a coax cable NOISE SOURCE E ss ISS DV 28W Fig 4 1 Preparation for calibration 3 Start the calibration for the
47. K30 Data On Off Switches the display of the current measurement results on or off The display of trace memory results is not affected if this softkey is pressed If a new frequency list mea surement is started the display of the current result trace is switched on automatically Remote command DISPlay CURRent DATA STATe on page 78 Mem1 On Off Mem2 On Off Mem3 On Off Switches the display of trace memory lt n gt on or off This softkey is not available if no data is held in the selected trace memory Remote command DISPlay ARRay MEMory lt m gt STATe on page 77 ASCII File Export Opens the ASCII File Export Name dialog box and saves the active peak list in ASCII format to the specified file and directory The file consists of the header containing important scaling parameters and a data sec tion containing the marker data For details on an ASCII file see chapter 3 9 ASCII File Export Format on page 21 This format can be processed by spreadsheet calculation programs e g MS Excel It is necessary to define as a separator for the data import Different language versions of evaluation programs may require a different handling of the decimal point It is there fore possible to select between separators decimal point and comma using the Decim Sep softkey see Decim Sep on page 53 Remote command FORMat DEXPort DSEParator on page 86 Decim Sep Selects the decimal separator with floati
48. M1 NMEM2 NMEM3 noise trace stored in memory 1 2 or 3 The memory must have been populated first using the command CONFigure ARRay MEMory lt 1 3 gt ONCE GMEM1 GMEM2 GMEM3 gain trace stored in memory 1 2 or 3 The memory must have been populated first using the command CONFigure ARRay MEMory lt 1 3 gt ONCE Example CALC MARK3 TRAC 2 Assigns marker 3 to trace 2 Manual operation See Marker to Trace on page 54 CALCulate lt n gt MARKer lt m gt X lt Position gt This command positions a marker on a particular coordinate on the x axis Suffix lt n gt Selects the measurement window lt m gt Selects the marker Parameters lt Position gt Numeric value that defines the marker position on the x axis The unit is either Hz frequency domain or s time domain or dB statistics Range The range depends on the current x axis range Example CALC MARK2 X 1 7MHz Positions marker 2 to frequency 1 7 MHz Manual operation See Marker 1 2 3 4 on page 54 CONFigure Subsystem Noise Figure R amp S FSV K30 CALCulate lt n gt MARKer lt m gt Y This command queries the measured value of a marker The corresponding marker is activated before or switched to marker mode if neces sary To get a valid result you have to perform a complete measurement with synchroniza tion to the end of the measurement before reading out the result This is only possible for single sweeps Suffix lt n gt Selects the me
49. Manual operation See Full Scale Level on page 45 INPut DIQ SRATe lt SampleRate gt This command specifies or queries the sample rate of the input signal from the R amp S Digital 1 Q Interface see Input Sample Rate on page 45 This command is only available if the optional R amp S Digital UO Interface option R amp S FSV B17 is installed For details see the R amp S Digital UO Interface R amp S FSV B17 description of the base unit Parameters lt SampleRate gt Range 1 Hz to 10 GHz RST 32 MHz Example INP DIQ SRAT 200 MHz Mode A IQ NF TDS VSA CDMA EVDO WCDMA ADEMOD GSM OFDM OFDMA WiBro WLAN Manual operation See Input Sample Rate on page 45 INPut GAIN STATe lt State gt This command turns the 20 dB preamplifier on and off With option R amp S FSV B22 the preamplifier only has an effect below 7 GHz With option R amp S FSV B24 the amplifier applies to the entire frequency range This command is not available when using R amp S Digital UO Interface R amp S FSV B17 Parameters lt State gt ON OFF RST OFF Example INP GAIN STAT ON Turns the preamplifier on 8 8 INITiate Subsystem Manual operation See Preamp On Off on page 44 INPut SELect lt Source gt This command selects the signal source for measurements Parameters lt Source gt RF DIQ RF Radio Frequency RF INPUT connector DIQ Digital IQ only available with R amp S Digital UO Interface option R amp S F
50. NFigure DUTGA E SYSTem CONFigure DUT STIMe Index Symbols 2nd Stage TT 42 A ASCII Trat EXPO viii as 21 Attenuation Manual vecs ice Automatic Ref Level K30 E EE loa B B ild TOKIO EE 48 c Characters ee EE 62 Commands RT EE continuous sweep D DiglConf SOTO eege EEN 58 display settings Automatic Scaling Combined Trace Display Max Y AXiS noaie e MaX TEE Min Y AXIS ber eeeteeeedeEeeeEeeeg Min Y Axis NF Min Y Axis Temp Symbols X Axis K30 Y AXIS oo AXIS ROO E E ENR ConstaMti cts ated oho 40 ENR dialog BOX KZO cs coo catre 40 ENR Table insisi EX IQ BOX DiglConf me EXPO IO MAL sum degen F Filter types Normal SAB cti ita 18 Filters OVGIVIOW isis dal iio 19 Selecting 18 Types 18 Fixed LO K30 38 Frequency menu A Eed 36 frequency settings WE d EE 38 Span KIO EE 38 EE ge EC EE 37 Step Freq KS0 EE 38 Stop Freq K3O EE 37 Sweep Ree CIE 38 Frequency table CONOS WEE 11 Full Scale Level Digital UO Interface remote Control 87 Digital e WEE 45 G Graphic dialog box K30 eseceeseeeeeteeseeeteeneeereenteneeeaees 45 l IEC IEEE bus Command description Image RE irase E E E Input sample rate Digt e corran 45 INPUUOUTPUE MENU conoce iia 57 K key INPUT QUTPUT sirist ieena is 57 L Lines menu LEE 55 Local oscillator reMote cOntrOl KIO ocio ii 98 Loss
51. On Off remote control K30 Ha Mem2 On Off K30 eani ii Acheter es Mem2 On Off remote control K30 Mem3 On Off KZO sinini Mem3 On Off remote control K30 Midas Min remote control Name remote control Lah NEW KS0 EEN New remote control K30 cccccccsscesssestecescenttaverceses New remote control Peak ainia Peak remote control R amp S Support oe Res BW remote control vs Res BW Manual remote control cecceeeeteeeeees ed EE Select 1 2 3 4 remote control Select Marker NO osasse Select Traces to check remote control oe Shift X Limit Line remote control 20D Shift Y Limit Line remote control Se Span Manual remote control eceeeeceeteeteeeeeeees Start remote control corona Start Frequency remote control Stop remote Control sss tiiis Stop Frequency remote control 00 ee Sweep Points remote control Sweep Single Cont remote control K30 Value remote Control AAA Zero Span remote control Softkey Center remote Control AA 98 Cont Meas remote Control seceeeeereeteeeeeteeeteeee 89 Continuous Sweep remote control Decim Sep remote control 96 DIGICONE eiii 1 509 EX IQ BOX ey Input AC DC concoccccnccnccicncnnninnos wf Input AC DC remote Control 87 Marker 1 to 4 remote Control eeeeeeeeeeeeeeeeneees 74 Marker to Trace k
52. PD Ransition 103 STATus QUEStionable CORRection EVENt This command queries the contents of the EVENt part of the STATus QUEStiona ble CORRection register Readout deletes the contents of the EVENt part Example STAT QUES CORR Usage Query only SCPI confirmed Mode NF STATus QUEStionable CORRection CONDition This command queries the contents of the CONDition part of the STATus QUEStiona ble CORRection register Readout does not delete the contents of the CONDition part Example STAT QUES CORR COND Usage Query only SCPI confirmed Mode NF STATus QUEStionable CORRection ENABle lt BitDefinition gt This command sets the bits of the ENABle part of the STATus QUEStionable COR Rection register The ENABle register selectively enables the individual events of the associated EVENt part for the summary bit Parameters lt BitDefinition gt Range 0 to 65535 Example STAT QUES CORR ENAB 65535 All events bits are represented in the CORRection summary bit Usage SCPI confirmed Mode NF SYSTem Subsystem Noise Figure R amp S FSV K30 STATus QUEStionable CORRection NTRansition lt BitDefinition gt This command determines what bits in the STATus QUEStionable CORRection Condi tion register set the corresponding bit in the STATus QUEStionable CORRection Event register if that bit has a negative transition 1 to 0 The variable lt number gt is the sum of the decimal values of the bits that are to be
53. Perature on page 85 3 2 Measurement Modes of the Noise Figure Measure ment Noise measurements are performed on many different types of device under test DUT The type of DUT to be measured determines the test setup and also how the frequency list is to be generated To support these different types of DUT the following different noise figure measurement modes are available e Direct measurement e Frequency converting measurement Fixed LO Upconverter IF RF LO Measurement Settings Overview Fixed LO Downconverter IF abs RF LO e Digital IQ for digital baseband input using the optional R amp S FSV B17 interface Using the Digital Baseband interface for input the digital baseband signal from the digital interface is used for measurement rather than the digitalized IF signal In this mode RF attenuation a Preamplifier and calibration are not available The frequency list is defined by a center frequency a span and a number of sweep points see Frequency Settings on page 36 For details see the Digital Baseband Interface R amp S FSV B17 description of the base unit The setup for the different measurement types is described by the Schematic Over view softkey The measurement mode is set in the Frequency Settings dialog box Mode field see Mode on page 38 For details on the measurement types see also chapter 4 Measurement Examples R amp S FSV K30 on page 23 3 3 Measurement Settings O
54. R amp S FSV K30 Firmware Option Noise Figure Measurements Operating Manual be Ba SI me Me mi Was Mem x Mema m Data SC it 1176 7562 02 03 1 Test amp Measurement Operating Manual This manual describes the following options e R amp S FSV K30 1310 8355 02 The contents of this manual correspond to the following R amp S FSVR models with firmware version 2 23 or higher R amp S FSVR7 1311 0006K7 R amp S FSVR13 1311 0006K13 e R amp S FSVR30 1311 0006K30 R amp S FSVR40 1311 0006K40 The software contained in this product makes use of several valuable open source software packages For information see the Open Source Acknowledgement on the user documentation CD ROM included in delivery Rohde amp Schwarz would like to thank the open source community for their valuable contribution to embedded computing 2015 Rohde amp Schwarz GmbH amp Co KG Muhldorfstr 15 81671 Munchen Germany Phone 49 89 41 29 0 Fax 49 89 41 29 12 164 Email info rohde schwarz com Internet www rohde schwarz com Subject to change Data without tolerance limits is not binding R amp S is a registered trademark of Rohde amp Schwarz GmbH amp Co KG Trade names are trademarks of the owners The following abbreviations are used throughout this manual R amp S FSV is abbreviated as R amp S FSV R amp S FSVR is abbreviated as R amp S FSVR R amp S FSV K30
55. Rection LOSSANPUESPOT oscar 93 ISGENZGelCObRRechonLOSSINPuCTARL e 94 SENSeJCORRectionLOSS OUTPUEMODE ccoo ibn 94 SENSe CORRectionLOSS OUTPUESPOT cocina iaa oia 95 ISGENGelCObR echonl OG OUTbPuCTARL e 95 SENSE JCORRection EMP 2oeedt REENEN EEN dE 96 SENSe CORRection STATe lt State gt This command activates or deactivates the second stage correction Parameters lt State gt ON OFF RST OFF Example CORR ON Activates the second stage correction Mode NF Manual operation See 2nd Stage Correction on page 42 SENSe CORRection ENR MODE lt Mode gt This command specifies whether a constant ENR value applies for all measured fre quencies or an ENR table ENR values specified at specific input frequencies The constant ENR value is specified by the SENSe CORRection ENR SPOT command Parameters lt Mode gt TABLe SPOT TABLe ENR table is used SPOT Constant ENR value is used RST SPOT Example CORR ENR MODE SPOT Uses the configured constant ENR value for all measured fre quencies Mode NF SENSe Subsystem Noise Figure R amp S FSV K30 SENSe CORRection ENR SPOT lt Value gt This command sets the constant ENR value of the noise source that is used through out the entire frequency range Parameters lt Value gt 999 99 to 999 99 dB RST 15 dB Example CORR END MOD SPOT see SENSe CORRection ENR MODE on page 9
56. S OPERation ReGiSter cseeecccseeeeeeeeeeeeneeeeeeeeneeeseseseneeseeseseeeeseeeesneeseneessnanen 59 STATus QUEStionable RegiStOT oomnccconnonicccnnnnosnccnnnnnsrrrnnn ercer rre 59 STATus QUEStionable CORRection Register cccseccccesseeeeeeeeeeeeeeeseeneeeeeneeeenees 60 Remote Control COMMAN AS cccocniniiinnac rie 61 Nota cir as 61 CALCulate Subsystem Noise Figure RES FSV KBO coooonnmnicicnnnniccccoososnccnnnarsnnnnnnos 64 CONFigure Subsystem Noise Figure R amp S FSV K30 oooccccccccoconocccononcnnnnennnnnnns 74 DISPlay Subsystem Noise Figure K30 ccccecccceseeeeseeeeeeeeeeeeeseneeseeeeseeeeeeeeeeenees 77 FETCh Subsystem Noise Figure K30 ccccscccseecceseeeeeeeeeeesseeeeseeeeeeeeeeesseeeeneeeeess 85 FORMat SUDSyYStOIM iii 86 INPUE SUDSYSteM icciiiriiicii ri Seen 87 INI Tiate SubSySteM coomiccosiriiianro caca are 89 INSTrument Subsystem Noise Figure R amp S FSV K30 ooonocoocccconnnicnccccccconannnnannnnnos 90 SENSe Subsystem Noise Figure RES FSV K30 cccccssseeeeeeeseeeeeeeseeeeeeeeeneeeeeees 90 STATus Subsystem Noise Figure R amp S FSV KBO ooooononmccononconccccnnccasncnnnnnasnnnnnnnnns 102 SYSTem Subsystem Noise Figure RES FSV KBO cooonnmicccnnnonccccnnncosccnnnnanannnnnnas 103 Error Reporting and Error MesSaYOS oooooconcccccncnonncononcncnnnnnnnnnnnnnnnnns 105 List of COMMANAS oo tesa sachet tide iia 106 10 X AAA 108 Operating Manual 1176 7562 02 03 1
57. SV B17 RST RF Example INP SEL RF Mode A IQ NF TDS VSA CDMA EVDO WCDMA ADEMOD GSM OFDM OFDMA WiBro WLAN Manual operation See Input on page 45 INITiate Subsystem INITiate lt n gt CONTinuous lt State gt This command determines whether the trigger system is continuously initiated contin uous or performs single measurements single In R amp S FSV K30 the measurement is not started by this command INITiate IMMediate has to be used to start a measurement Suffix lt n gt irrelevant Parameters lt State gt ON OFF RST ON Example INIT CONT OFF Switches the sequence to single sweep INIT CONT ON Switches the sequence to continuous sweep INIT IMM Starts a new noise figure measurement in continuous sweep mode Mode all Manual operation See Continuous sweep on page 51 See Sweep Single on page 51 8 9 8 10 8 10 1 INSTrument Subsystem Noise Figure R amp S FSV K30 INSTrument Subsystem Noise Figure R amp S FSV K30 The INSTrument subsystem selects the operating mode of the unit either via text parameters or fixed numbers INS Truiment SEL eet annn renia ecc 90 INS TiMenUNS ELGG EE 90 INSTrument SELect lt Mode gt This command switches between the measurement modes by means of text parame ters Parameters lt Mode gt NOISe Noise Figure Measurements option R amp S FSV K30 INSTrument NSELect lt Mode gt This command switches between the measurement
58. TableData gt lt numeric_value gt lt numeric_value gt a frequency loss pair of arguments frequency 0 Hz to 999 99 GHz max two decimal places loss figure 999 99 to 999 99 value in dB accurate to two deci mal places 8 10 2 SENSe Subsystem Noise Figure R amp S FSV K30 Example SENSe CORRection ENR SPOT on page 92 CORR LOSS OUTP MODE TABL Uses the loss output table CORR LOSS OUTP TABL 1MHz 10 2MHz 12 Specifies a new output loss table and overwrites the current out put loss table with the two entry pairs specified Mode NF Manual operation See Loss Settings on page 41 SENSe CORRection TEMPerature lt Temperature gt This command specifies the room temperature of the operating environment This value is taken into account when calculating noise results Parameters lt Temperature gt 278 15 to 318 15 K up to 2 decimal places can be specified RST 293 K Example CORR TEMP 291 50 Specifies the room temperature to 291 50 Kelvin 18 5 C Mode NF Manual operation See Room Temperature on page 40 Measurement Settings SENSe CONFigure Commands Most parameters for the measurements are set using the SENSe CONFigure com mands described here Some additional measurement settings are defined using the SENSe FREQuency sub system see chapter 8 10 SENSe Subsystem Noise Figure R amp S FSV K30 on page 90 ISENSeIBANDwONBWIDORERE Souen 9
59. Tem CONFigure DUT STIMe lt Time gt This command spcifies the DUT settling time It represents the time to wait for the DUT to settle after a noise source has been turned on or off Parameters lt Time gt Range 0 to 20s RST 50 milliseconds Example SYST CONF DUT STIM 1000MS Specifies a period of one second for the DUT to settle down after exposure to the noise source has been removed Mode NF Manual operation See Settling Time on page 43 9 Error Reporting and Error Messages Error reporting for the Noise Figure Measurements option is carried out using the Ser vice Request SRQ interrupt in the GPIB interface When an error occurs a Service Request interrupt will be generated The master can then query the slave instrument for the error that triggered the interrupt Errors are queried through the SYS Tem ERRor command Status bar message Description Frequency list truncated max 100 entries The settings for start stop and step frequencies would require a frequency list greater than 100 entries The list calculated is terminated at the 100th entry Try using a larger step size of splitting the test up into a series of frequency list tests Missing ENR amp LossIn amp LossOut for No ENR loss input and or loss output can be deter meas freq mined for one or all of the measurement frequen cies This occurs when using tables of ENR loss input and or loss output values Check that the fre quency rang
60. Tem Subsystem Noise Figure R amp S FSV K30 ccseceesseeeeeeeeeeeeeeeeeeeees 103 Notation In the following sections all commands implemented in the instrument are first listed and then described in detail arranged according to the command subsystems The notation is adapted to the SCPI standard The SCPI conformity information is included in the individual description of the commands Individual Description The individual description contains the complete notation of the command An example for each command the RST value and the SCPI information are included as well The options and operating modes for which a command can be used are indicated by the following abbreviations R amp S FSV K30 Remote Control Commands Abbreviation Description A spectrum analysis A F spectrum analysis span gt 0 only frequency mode A T spectrum analysis zero span only time mode ADEMOD analog demodulation option R amp S FSV K7 BT Bluetooth option R amp S FSV K8 CDMA CDMA 2000 base station measurements option R amp S FSV K82 EVDO 1xEV DO base station analysis option R amp S FSV K84 GSM GSM Edge measurements option R amp S FSV K10 IQ IQ Analyzer mode OFDM WiMAX IEEE 802 16 OFDM measurements option R amp S FSV K93 OFDMA WiBro WiMAX IEEE 802 16e OFDMA WiBro measurements option R amp S FSV K93 NF Noise Figure measurements R amp S FSV K30
61. Y SCALEAUTO ccioniiniisinic iii Etnia 81 DISPlay WINDow lt n gt TRACe lt t gt Y SCALe BOTT OM cnn vidani iaaii 82 DISPlay WINDow lt n gt TRACe lt t gt Y SCALe RLEVel DISPlay WINDow lt n gt TRACe lt t gt Y SCALe RLEVelAUTO 0 eee cece eee cent cee eeeeeseeeeneeseeeteaeeeaeeeeee 83 BISPlayEWINDowe lt n gt TRAGest Y SCALe TOP EE 84 DISPIayEWINDowsn gt i TRACe lt st gt STATO A 79 FETCh ARRay MEMory lt 1 3 gt NOISe FIGUIC Piccolo E 85 FETCh ARRay MEMory lt 1 3 gt NOISe6 GAIN Viciosas iaa 85 FE TCh AbRbRav MEMorv 1 2 NOlGe TEMeratured AAA 85 Neger ET 85 FETCh ARRay NOISE GAIN E 85 FETCH ARRay NOISE TEMPeratute r ronca rara n iR EEEN TEE 85 Ne Reder ET EE 86 FETCh SCALar NOISE GAIN 86 FETEN SCALarNOISE TEMPeraturO cross also rasa 86 FORMat DEXPont DSEParatol iso ais 86 INITiate lt n gt CONTIN UOUS ceci e aa pea tired 89 NE cia eeen a E E ET A E E teuexeneseeeens 87 INPUECOUP Tut DEE 87 INPUtEDIQ RANGOCUPP ET EE 87 INPut DIQ SRATe Se INPUEGAINISTAT 6 AA AA a AA 88 INPUt iuris iaa 89 ra Net Mi KE E 90 INSTrument SELeC licor EA A AAA AA ARA 90 STATus QUEStionable CORRection CONDIUON cc cccissiesscvsccsssansctessacesedesconenssedseccntcosesonctaseenoaceecvarenstansas 102 STATUS QUEStionable CORRECHONFENABI 6 iiss ccc catsces nenene rutas aaron STATus QUEStionable CORRection NTRansition STATus QUEStionable CORRection PTRansition STATusOUEGtonabie CORRechont EVEN 102 SYSTem GO
62. able CORRection Register Bit No Meaning 11 CORRection This bit is set if questionable correction data occurs see also section STA Tus QUEStionable CORRection Register 7 3 STATus QUEStionable CORRection Register This register comprises information about the correction state of noise measurements It can be queried by STATus QUEStionable CONDition and STATus QUI EStionable EVENt commands Bit No Meaning 0 NO CORRection User calibration is required i e not done or setup changed Initial value is 1 Will remain 1 until a user calibration is done Set to 1 at the start of a user calibration It will go to O at the end of a user calibration only if all points of at least one range have been calibrated Not used Deprecated not used Missing Loss or ENR values No ENR Loss In and or Loss Out can be determined for one or all of the measure ment frequencies This occurs when using tables of ENR Loss In and or Loss out values Check that the frequency ranges of the tables cover the range of frequencies to be measured For each measurement frequency where ENR Loss In or Loss Out cannot be determined 0 is used 4to 15 Not used 8 8 1 8 2 8 2 1 8 2 2 8 3 8 4 8 5 8 6 8 7 8 8 8 9 8 10 8 10 1 8 10 2 8 11 8 12 8 1 Notation Remote Control Commands This section describes the remote commands specific to the Noise Figur
63. ample DISP TABL ON Displays the table of results Mode NF DISPlay WINDow lt n gt TRACe lt t gt STATe lt State gt This command activates or deactivates the display of the corresponding trace and rela ted information Suffix lt n gt 1 window DISPlay Subsystem Noise Figure K30 lt t gt 1 2 indicates the measurement results Trace 1 is always used for noise results and trace 2 is always used for gain results Trace 2 is not available when using Digital Baseband Interface R amp S FSV B17 Parameters lt State gt ON OFF RST ON for both traces Example DISP TRAC OFF Switches off the display of trace 1 noise results DISP TRAC2 OFF Switches off the display of trace 2 gain results Usage SCPI confirmed Mode NF Manual operation See Y Axis on page 46 See Y Axis on page 48 DISPlay WINDow lt n gt TRACe lt t gt SYMBols lt State gt This command activates or deactivates the display of the symbols to mark the mea surement points for the specified trace Suffix lt n gt 1 window lt t gt 1 2 indicates the measurement results Trace 1 is always used for noise results and trace 2 is always used for gain results Parameters lt State gt ON OFF RST OFF for both traces Example DISP TRAC ON Switches on the display of trace 1 noise results DISP TRAC SYMB ON Switches on the display of symbols for trace 1 noise results Mode NF Manual operation See Symbols on page
64. asurement results are displayed Remote command CALCulate lt n gt MARKer lt m gt AOFF on page 71 Softkeys of the Marker To Menu R amp S FSV K30 The following table shows all softkeys available in the Marker To menu in Noise mode MKR gt key SOS Marker ING EE 54 IN 54 On BEE 54 Marker to ler EE 55 Select Marker No Opens a submenu to select and display one of 4 markers No indicates the number of the currently active marker Peak and Min functions apply to this marker Peak Sets the active marker delta marker to the highest maximum of the trace Remote command CALCulate lt n gt MARKer lt m gt MAXimum PEAK on page 71 Min Sets the active marker delta marker to the minimum of the selected trace Remote command CALCulate lt n gt MARKer lt m gt MINimum PEAK on page 71 6 10 Softkeys of the Lines Menu R amp S FSV K30 Marker to Trace Opens a dialog box to select the trace noise figure gain or memory trace on which the currently selected marker is to be placed This softkey is only available if measurement results are displayed Remote command CALCulate lt n gt MARKer lt m gt TRACe on page 72 Softkeys of the Lines Menu R amp S FSV K30 The following table shows all softkeys available in the Lines menu in Noise mode LINES key PS ege EE EE 55 BM EE 55 EE E 55 GET EE 56 Seene 56 L H ru GE 56 Eladio 56 el aiii di ii ee acid 56 RETTEN 56 Edit Table MOU EE 56 A A
65. asurement window lt m gt Selects the marker Return values lt Result gt The measured value of the selected marker is returned Example INIT CONT OFF Switches to single sweep mode CALC MARK2 ON Switches marker 2 INIT WAI Starts a sweep and waits for the end CALC MARK2 Y Outputs the measured value of marker 2 Usage Query only Manual operation See Marker 1 2 3 4 on page 54 8 3 CONFigure Subsystem Noise Figure R amp S FSV K30 The CONFigure subsystem contains commands for configuring complex measurement tasks GCONFigure AR Ray MEMOny lt td gt Le 74 ee Tee Wiere E 75 GONFiguire FREQ ee RTE 75 EE Le DE ee 75 CONFiguire LISTiCONTINUGUS EN 76 GON Lie Dr EE e 76 ies H LEE 17 CONFigure ARRay MEMory lt 1 3 gt ONCE This command saves the current trace results noise figure noise temperature and noise gain traces to trace memory lt n gt Example Usage Mode Manual operation CONFigure Subsystem Noise Figure R amp S FSV K30 INIT Starts a new measurement if no measurement sequence is already in progress CONF ARR MEM2 ONCE Copies the last recorded measurement result into the memory 2 Event NF See Data gt Mem1 Data gt Mem2 Data gt Mem3 on page 52 CONFigure CORRection This command configures for a second stage correction measurement Example Usage Mode Manual operation CONF CORR Configures to run second stage correction measure measure
66. ate and press the Enable Disable softkey 3 To define a new limit line press the New softkey and enter the limit line charac teristics 4 To modify a limit line select the limit line you want to edit and press the Edit soft key 5 To save a limit line press the Exit softkey If data is missing or if some data is invalid an error message is displayed 6 To delete a limit line select the limit line you want to edit and press the Delete softkey Softkeys and Settings of the Noise Menu R amp S FSV K30 6 Menu and Softkey Description R amp S FSV K30 In the following sections the softkeys available in the noise figure measurements are explained The Auto Set Trigger Meas Config and Marker Functions menus are not availa ble for noise figure measurements 6 1 Softkeys and Settings of the Noise Menu R amp S FSV K30 ooooooonnicccnncccnocancccannnnnns 33 6 2 Softkeys of the Frequency Menu R amp S FSV K30 cccscceeecceceseeeeeeeeeeeeseeesseeeeeeeees 49 6 3 Softkeys of the Span Menu R amp S FSV K30 ooomncocccconnnincicccccconnncnnancncnsnnnnanancnnnnnnnas 50 64 AMPT Key incita ia 51 65 O RA 51 6 6 Softkeys of the Sweep Menu RES FSV KBO oooooncccnncconniccccncncccanancnnnnnnnnnannnnnnnennn os 51 6 7 Softkeys of the Trace Menu R amp S FSV KBO ooonnconnnccnnnccccccccnsnncnnnancnnnnnenanannnnnnen 52 6 8 Softkeys of the Marker Menu R amp S FSV K30 c ccccescceeseeceeeeeeeeeneeeeeseeeesse
67. ctions of Noise Figure Measurements R amp S FSV K30 Describes the instrument functions of noise figure measurements and provides fur ther information e Remote Control Commands Describes all remote control commands defined noise figure measurements e Error Reporting and Error Messages Contains device specific error messages for R amp S FSV K30 This part of the documentation includes only functions of the Application Firmware R amp S FSV K30 For all other descriptions please refer to the description of the base unit at the beginning of the documentation 3 3 1 3 2 3 3 3 4 3 5 3 6 3 7 3 8 3 9 3 1 Measurement Types Measurement Basics This section provides background information on measurements and displayed infor mation Measurement AAAAAAAA 2P zz 11 Measurement Modes of the Noise Figure MeasureMenNt oommcccnnonnscccncosnencnnnnannnnns 13 Measurement Settings Overview cccseeccceseeseeeceeseeeeeeeeseeeneesenseeeeecneneeneesenseeeeenenes 14 Result Display Swi ivcicciccccssecccessavecciessseeescved cea seceeetee ansar ieas 15 Status Bar Information cestecsseceesnecsstessstetcteeesteceseeessteeiieewente 18 CalibratiON ociiiionicia ii KEE SCEEEEER 18 Selecting the Appropriate Filter Tvpe ee 18 List of Available RRC and Channel Filters cccccsesseeceeseeeeeeeeeseeeeeeeseeeneeeeneeeeeeees 19 ASCII File Export FOmmattsiciiiceciccsccicccvcsscssccnsneceneecevssen E a 21 Measurement Types Three ty
68. e ENR Settings Specifies the current room temperature as an absolute value in Kelvin This value is used in the calculation of the noise results Remote command SENSe CORRection TEMPerature on page 96 ENR Table ENR Settings Under ENR Table the frequency dependent ENR values are listed The list can con tain up to 100 RF ENR pairs The order of the RF values in the list is not important To modify this table proceed as described in chapter 5 Instrument Functions of Noise Figure Measurements R amp S FSV K30 on page 31 Softkeys and Settings of the Noise Menu R amp S FSV K30 ENR tables can be saved and recalled at any time via the SAVE RCL key for details refer to the base unit description In addition to the data saved by the basic unit all data entered in the ENR Settings dialog box is saved Loss Settings Opens the LOSS dialog box to take additional losses due to cables or attenuators into account that are not considered in the calibration Loss Input Settings Loss Output Settings Selectio Constant v Selection Constant Loss Input Constant o dB Loss Output Constant 0 dB Loss Input Table Loss Output Table RF Loss Input RF Loss Output 0 Hz 0 dB 0 Hz 0 dB 0 Hz 0 dB 0 Hz 0 dB The loss Settings dialog box contains the following elements Loss Input Settings Under Loss Input Settings the additional loss between the noise source and the DUT is defined Los
69. e 98 Parameters lt Type gt AMPLifier DOWNconv UPConv DDOWnconverter AMWPLifier The DUT is an amplifier and not a frequency converting device DOWNconv The DUT converts the input frequency to a lower output fre quency Fixed LO IF RF LO UPConv The DUT converts the input frequency to a higher output fre quency Fixed LO IF abs RF LO DDOWnconverter The DUT provides digital input via the digital baseband interface R amp S FSV B17 option RST AMPLifier Example SENS CONF MODE DUT DOWN The DUT converts the input frequency to a lower output fre quency Mode NF Manual operation See Mode on page 38 SENSe Subsystem Noise Figure R amp S FSV K30 SENSe CONFigure MODE SYSTem LOSCillator FREQuency lt Frequency gt This command specifies a fixed local oscillator frequency for a new frequency mea surement list in frequency converting measurement mode If this value is altered a new frequency list is generated This command is not available when using Digital Baseband Interface R amp S FSV B17 Parameters lt Frequency gt Range 0 Hz to 999 99 GHz RST 0 Hz Example SENSe CONFigure MODE DUT on page 97 ENS CONF MODE DUT DOWN he DUT converts the input frequency to a lower output fre uency ENS CONF MODE SYST LOSC FREQ 1MHZ Specifies the fixed local oscillator frequency for a new list to a value of 1 MHz Mode NF Ano un 0 Manual operation
70. e LIMit Subsystem Noise Figure kK 0x 64 8 2 2 CALculate MARker subevstem nan nn naar nn nn nnn nc narra nannn cnn 71 8 2 1 CALCulate LIMit Subsystem Noise Figure K30 The CAL Culate LIMit subsystem contains commands for the limit lines and the corre sponding limit checks In contrast to the base unit only 6 limit lines can be active at the same time indicated by LIMIT1 to LIMIT6 They are assigned to a particular measurement type rather than a particular trace see CALCulate lt n gt LIMit lt m gt TRACe on page 69 Otherwise the commands are the same as for the base unit CAL Culate lt sas LIME COM Men GE 65 CAL GCulate lt n gt LIMit lt k gt CONTrol DATAL neirinnen aN EEN 65 CAL Culate lt n gt EIMitcK gt C ON TOE SIF ts cai la diria 65 CALCUatesn gt UMi k LOWE DATA La A a E aaa aA 66 CcALGuUlate lt nsLIMit lt k gt DELete oa 66 GAL Culatesn LIMIt K gt FAIL P EE 67 CALCulate lt n gt LIMit lt k gt LOWer SHELL 67 CAL Culatespn LIMitsk LOWENSTAT KE 67 CAL Culatesn BT TEE 68 CAL Culate nz LUlMitcks SfATe soridi inrennin inpaaiaiannniia aa aaiae inaaianei nana aaia iaia 68 CALCUatEe E BIEN RACB EEN 69 CALCulate Subsystem Noise Figure R amp S FSV K30 CAL Culatesn sLIMitsk UPPeri DAWA BE 69 GAL Culate lt n gt LIMitsk gt UPPer SHIFE oss iccaccasaeseaacaasacanassucessnacasenaaseasacadsvcdaenabsesuaaoacntauweeracn 70 CAL Culate lt n gt LIMISKS UPPER STATO ccoo rr dai 70 CALCulate lt n gt LIMit lt k gt COMMe
71. e Measure ments option R amp S FSV K30 The abbreviation NF stands for the operating mode of noise figure measurements For details on conventions used in this chapter refer to chapter 8 1 Notation on page 61 For further information on analyzer or basic settings commands refer to the corre sponding Subsystem in the base unit description Notatton eessen eege 61 CALCulate Subsystem Noise Figure R amp S FSV K30 ccsccssseeeseeeeessseeeeeeeeees 64 CALCulate LIMit Subsystem Noise Figure kK 0x 64 CALculate MARker subsvsiem teeter eee eeeeeeeeeteeeeeesiteeeeeetnneeeeeeeeaa 71 CONFigure Subsystem Noise Figure RSSESVhK n REENEN 74 DISPlay Subsystem Noise Figure K30 cccccccsseeeeeseeeeseeseeeeeeesseeseseeeeesseeeeeeeeees 77 FETCh Subsystem Noise Figure K30 cccsccccsseceeseceseseeeeseeeeeeseeseeeeeeesseeeeeseeeeees 85 FORMat Te EE E 86 INPUT SUBSYSTEM esis ses cceeeccsdnct sete enn ccceresinanccetestdneteestssgesserssincedaetssseueseressasceeetystececeresice 87 INI Tate EE E 89 INSTrument Subsystem Noise Figure R amp S FSV K30 c ccccescccesseeeeeseeeeeseeeeeeee 90 SENSe Subsystem Noise Figure R amp S FSV K30 0 ccccccccseeeceseceeeseeeeeeeeeeeseeeeneeeees 90 Equipment Settings Commande 91 Measurement Settings SENSe CONFigure Commande oooccccccccccconcconcccnncnnnncnnnnnnanos 96 STATus Subsystem Noise Figure R amp S FSV KBO coooconicccnnccnnonanccncnccnnnannnnanenenan 102 SYS
72. e sideband suppression AQ Fo XXX e gt Ge O 9 X LG gt d KI 7 RF LO Image freq gt For measurements on a mixer with a low image frequency rejection a measuring error of 0 to 3 dB is obtained if the image frequency rejection is not taken into account In Frequency Converting Measurements this case set the image rejection in the Frequency Settings dialog box to the correct image rejection value to produce the correct results 4 2 2 4 Measurement on a mixer with unknown sideband suppression xo Le L kA ASA AS RR Ki a IF RF LO Image freq gt If the image rejection is not known accurate noise results can still be produced How ever the gain of the DUT must be known and an additional filter is required Test setup NOISE SOURCE iF CONTROL av 28V Fig 4 4 Preparation for calibration NOISE SOURCE RF CONTROL iF Kach Fixed LO Fig 4 5 Test setup for the main measurement In this test setup a low pass filter prevents noise from the noise source from being fed in at the image frequency Depending on the position of the frequency bands a high pass or bandpass filter may also be necessary for the RF frequency instead of the low pass filter The important point is that noise from the noise source is not converted by a further receive path of the mixer The noise of the noise source a
73. easured Digital input is only available if the Digital Baseband Interface option R amp S FSV B17 is installed Remote command INPut SELect on page 89 Input Sample Rate Input Settings Baseband Settings Meas Settings Defines the sample rate of the digital UO signal source This sample rate must corre spond with the sample rate provided by the connected device e g a generator Remote command INPut DIQ SRATe on page 88 Full Scale Level Input Settings Baseband Settings Meas Settings The Full Scale Level defines the level that should correspond to an UO sample with the magnitude 1 The level is defined in Volts Remote command INPut DIQ RANGe UPPer on page 87 Display Settings Opens the Display Settings dialog box to modify the graphical results display Softkeys and Settings of the Noise Menu R amp S FSV K30 Results Settings Combined Trace Noise Trace Settings Y Axis Automatic Scaling Min Y Axis NF Min Y Axis Temp Max Y Axis NF Max Y Axis Temp Symbols Gain Trace Settings Y Axis Automatic Scaling Min Y Axis Max Y Axis Symbols Noise and Gain X Axis Settings X Axis Results Settings Display Settings The settings that affect the overall results display Combined Trace Display Results Settings Display Settings Activates or deactivates the combined trace display of noise and gain results ON The noise and gain traces are
74. eeeeseeeees 53 6 9 Softkeys of the Marker To Menu R amp S FSV K30O ooonnocooniccconccccnccnncnncnccnnsnnonnannnnnannos 54 6 10 Softkeys of the Lines Menu R amp S FSV K30 cccceccsseeeeeeeeesseeeeseeeeeesensesseeeeeseees 55 6 11 Softkeys of the Input Output Menu R amp S FSV K30 oooooonnnccconiccconnnccnnnncnnnannnnnnnnnnn 57 6 1 Softkeys and Settings of the Noise Menu R amp S FSV K30 The following table shows all softkeys available in the noise figure measurements Noise menu Ree 35 Ree Le E 36 L Frequency SONS iria arcilla 37 O entgegen 37 E EE 37 o ee EEeEe 37 e 38 A EE 38 A eege 38 L Sweep points 38 A A 38 A A se oe ees 38 A re EE 39 A A A 39 le 40 Softkeys and Settings of the Noise Menu R amp S FSV K30 A lies esta dena Italo A 40 L ENR Dor asado aa 40 L Room TEMPE ceci cin diaria ES 40 A A oe E annie 40 LOSS SOUNDS icono a a OA presi 41 A saadase EA 41 L Loss Input Constant Loss Output Constant 42 L Loss Input Table Loss Output Table 42 Moas SOMOS EE 42 A A A A ere ae eee 42 L 2nd Stage COMO corria dit iii 42 L Analyzer CENAS cocinada ico iii dea a 42 L RBW OE Ep 42 O A A A 43 L Settling UA orina dial dica dae baie 43 o A 43 L RF A ii AN 43 L Automatic Ref Level in ici ibi tia 44 A irsi eae 44 PRII ccs ose tec seed E 44 L Preamp OMON EE 44 L Input Settings Baseband Settings 45 ise 45 L Pr rN Rda e 45 EE A A 45 Display SOMMS EE 45 LResults A 46 L C
75. enabled Parameters lt BitDefinition gt Range 0 to 65535 Example STAT QUES CORR NTR 65535 All condition bits are summarized in the Event register if a posi tive transition occurs Usage SCPI confirmed Mode NF STATus QUEStionable CORRection PTRansition lt BitDefinition gt This command determines what bits in the STATus QUEStionable CORRection Condi tion register set the corresponding bit in the STATus QUEStionable CORRection Event register if that bit has a positive transition 0 to 1 The variable lt number gt is the sum of the decimal values of the bits that are to be enabled Parameters lt BitDefinition gt Range 0 to 65535 Example STAT QUES CORR PTR 65535 All condition bits are summarized in the Event register if a posi tive transition occurs Usage SCPI confirmed Mode NF 8 12 SYSTem Subsystem Noise Figure R amp S FSV K30 This subsystem contains a series of commands for general functions SYSTemiCONFigure DUMTEGA N cocoa ri tia ria 103 SYS Tem ee LE e RTE 104 SYSTem CONFigure DUT GAIN lt Gain gt This command specifies the maximum gain of the DUT This command is not available when using Digital Baseband Interface R amp S FSV B17 Parameters lt Gain gt Range 10 dB to 999 99 dB RST 30 dB SYSTem Subsystem Noise Figure R amp S FSV K30 Example SYST CONF DUT GAIN 10 Specifies the gain of the DUT to be 10 dB Mode NF Manual operation See Range on page 44 SYS
76. er of sweep points The number of Sweep points defines the number of entries in the Measurement Types frequency table The start frequency is Center Freq Span 2 the stop fre quency is Center Freq Span 2 The values inbetween are distributed evenly For Digital IQ mode only this method can be used to define the frequency list The results are displayed in a table Frequency List Results or graphically depend ing on the display configuration Remote commands To configure the frequency list SENSe FREQuency STARt on page 100 SENSe FREQuency STOP on page 100 SENSe FREQuency STEP on page 100 or SENSe FREQuency CENTer on page 98 SENSe FREQuency SPAN on page 99 SENSe SWEep POINts on page 101 To start the measurement CONFigure LIST CONTinuous on page 76 or CONFigure LIST SINGle on page 76 INIT To query the results FETCh ARRay NOISE FIGure on page 85 FETCh ARRay NOISE GAIN on page 85 FETCh ARRay NOISE TEMPerature on page 85 Fixed frequency measurement A continuous measurement is performed at the single frequency currently selected in the Frequency List Results see also Fix Freq softkey in the Sweep menu This measurement can only be performed after an initial frequency list or single frequency measurement The results are displayed beneath the original Frequency List Results in the Fixed Frequency Meter area Remote commands To configure the f
77. es of the tables covers the range of fre quencies to be measured For each measurement frequency where ENR loss input or loss output cannot be determined 0 is used Generator connection error No connection could be made to the external signal generator with option R amp S FSV B10 only Check the connection between the analyzer and the signal generator Also check that the correct GPIB address has been specified for the signal generator Generator not initialised The external signal generator has not been initial ized and as such cannot be controlled by the spec trum analyzer with option R amp S FSV B10 only The signal generator can be initialized manually by pressing the INIT GEN softkey in the Input Output menu or can automatically be initialized by selecting the Init before meas field in the Mea surement Settings Generator frequency out of range The LO frequency to be used for a measurement point is out of range for the selected signal genera tor with option R amp S FSV B10 only Reduce the LO frequency or use a signal generator with the required frequency range List of Commands SENSe BANDwidih BWIDth RES Olution o cocina iran detec 97 SENSe CONFigure MODE DU TS ara a A 97 SENSe CONFigure MODE SYSTem LOSGillator FREQUENMCY cacao nono nc isiin 98 SENSEe CORRE ction ENR MODE vnesi hpenn A EE deg 91 SENSe CORRectionmENR S PO Lora aa 92 SENSe CORRection ENR M
78. f the instrument If the attenuation is programmed directly the coupling to the reference level is switched off This function is not available if the R amp S Digital I Q Interface R amp S FSV B17 is active Parameters lt Value gt RST 10 dB AUTO is set to ON Example INP ATT 30dB Sets the attenuation on the attenuator to 30 dB and switches off the coupling to the reference level Mode all Manual operation See RF Attenuation on page 43 INPut COUPling lt CouplingType gt Toggles the RF input of the R amp S FSVR between AC and DC coupling This function is not available if the R amp S Digital 1 Q Interface R amp S FSV B17 is active Parameters lt CouplingType gt AC DC RST AC Example INP COUP DC Manual operation See Input AC DC on page 57 INPut DIQ RANGe UPPer lt Level gt Defines or queries the Full Scale Level i e the level that should correspond to an UO sample with the magnitude 1 It can be defined either in dBm or Volt see Full Scale Level on page 45 INPut Subsystem This command is only available if the optional R amp S Digital UO Interface option R amp S FSV B17 is installed For details see the R amp S Digital UO Interface R amp S FSV B17 description of the base unit Parameters lt Level gt lt numeric value gt Range 70 711 nV to 7 071 V RST 1V Example INP DIQ RANG 1V Mode A IQ NF TDS VSA CDMA EVDO WCDMA ADEMOD GSM OFDM OFDMA WiBro WLAN
79. gle sweep mode INIT Performs the frequency list measurement CONF SING Configures to run fixed frequency measurements FREQ 10MHz Sets a fixed frequency of 10 MHz FETCh SCAL NOISE TEMPerature Returns the last noise temperature measurement at 10 MHz Usage Query only Mode NF FORMat Subsystem FORMat DEXPort DSEParator lt Separator gt This command defines which decimal separator decimal point or comma is to be used for outputting measurement data to the file in ASCII format Different languages of evaluation programs e g MS Excel can thus be supported Parameters lt Separator gt POINt COMMA RST factory setting is POINt RST does not affect set ting Example FORM DEXP DSEP POIN Sets the decimal point as separator 8 7 INPut Subsystem Manual operation See ASCII File Export on page 53 See Decim Sep on page 53 INPut Subsystem INPut ATTenuation lt Value gt This command programs the input attenuator To protect the input mixer against dam age from overloads the setting O dB can be obtained by entering numerals not by using the DOWN command The attenuation can be set in 5 dB steps with option R amp S FSV B25 1 dB steps If the defined reference level cannot be set for the set RF attenuation the reference level is adjusted accordingly In the default state with Spectrum mode the attenuation set on the step attenuator is coupled to the reference level o
80. gt LIMitsk gt NAME tts cseccatieseecttdictinccnesseveviieiecoaseeasitueceaedtcuedevssiubevoxetyanetepteadentducedyseesternieeneunees CAL Culate sh gt LIMiEk gt STA Tec a CALCulatesh gt LIMit lt k gt UPPEES A Plica da Ai CAL GCulatesh UIMit lt k gt UPPerSTA Teis A A eaaa CALculate h gt LIVMIt lt gt UPPEEDA TA CAL Culatesn gt UIMitsim gt TRAGOS oa ae EEREN EEEa CAL GCulatesh gt MARKer lt m gt AOF EE CALC lat sn MARKer lt m gt MAXimum PEAK AA CALCulate lt n gt MARKer lt m gt MINimum PEAK CALCulate lt n gt iMARKer lt m gt iT RAC dieu ies ell one A aide elena ea da CALCulate lt n gt MARKGrsim eX EE 73 CALCulatesn gt iIMARKGISMP iY EE 74 CALGCulatesh gt MARKer lt M ESTATE siii A Ei 72 CONFigure ARRay MEMory lt 1 3 gt ONCE cuac a 74 CONFigure CORReclON ito EE EE Eeer T9 CONFigure FREQ CONTinuous seek GONFigur FREQ SINGI6 oia ses AVN ESEA TARANAN rar ATATEN ERR 75 CONFIGUre HIS TC ON IMU OUS serne Eae aS EET ia AEN SAEED ARESE ETE EEEa EEEE 76 CONFig re HST EE 76 CONFIgu re SING EE 77 DISPlay ARRay MEMory MS ESTADO lianas reia Ao E SE e oa 77 DISPlay CURRENUDATALES TAM coi An 78 DISPlay DATA TRACe lt t gt n 8 IK EE 79 RUE ele E RK TT 79 DISPlay WINDowsn gt TRAGeSt gt SYMBOIS scsscccsssssattasssceveesosctestecasteacsncescesecaesersaserscebesoacaeteaseeceadvecesstecteres 80 DISPlay WINDow lt n gt TRACe lt t gt X SCALe crono conca 80 DISPlayEWINDow lt n gt TRACe lt t gt
81. gt ON OFF RST ON Example DISP TRAC Y RLEV AUTO ON Turns on automatic reference level detection Usage SCPI confirmed Mode NF Manual operation See Automatic Ref Level on page 44 DISPlay Subsystem Noise Figure K30 DISPlay WINDow lt n gt TRACe lt t gt Y SCALe TOP lt Value gt This command sets the maximum top Y axis display value for the specified trace dis play It has no affect if automatic scaling of the Y axis is enabled or the specified trace is not currently active This command is not available when using Digital Baseband Interface R amp S FSV B17 Suffix lt n gt lt t gt Parameters lt Value gt Example Example Example Usage Mode Manual operation 1 window 1 2 indicates the measurement results Trace 1 is always used for noise results and trace 2 is always used for gain results noise figure noise temperature gain noise figure 75 dB to 75 dB noise temperature 999990000 K to 999990000 K gain 75 dB to 75 dB RST 20 dB for noise and gain figure 10000K for noise temperature DISP DATA TRAC1 NFIG Sets the noise figure to trace DISP TRAC Y TOP 30 Sets the maximum Y axis display to 30 dB for trace 1 Example 2 DISP DATA TRAC1 TEFF Sets the noise temperature to trace DISP TRAC Y TOP 100 Sets the maximum Y axis display to 100 K for trace 1 DISP TRAC2 Y TOP 10 Sets the maximum Y axis display to 10 dB for trace 2
82. gt Y SCALe RLEVel on page 83 Range Analyzer Settings Meas Settings Specifies the maximum gain expected from the DUT If the 2nd Stage Correction is activated this value is used to calculate the automatic reference level to ensure that the expected power of the measured signal will be within the optimum operating range of the spectrum analyzer see Automatic Ref Level on page 44 To ensure accurate measurement results the range should not exceed the actual gain of the DUT by more than a margin of 10 dB Remote command SYSTem CONFigure DUT GAIN on page 103 Preamp On Off Analyzer Settings Meas Settings Switches the preamplifier on and off If option R amp S FSV B22 is installed the preamplifier is only active below 7 GHz If option R amp S FSV B24 is installed the preamplifier is active for all frequencies Softkeys and Settings of the Noise Menu R amp S FSV K30 This function is not available for input from the R amp S Digital UO Interface option R amp S FSV B17 Remote command INPut GAIN STATe on page 88 Input Settings Baseband Settings Meas Settings Input and Baseband settings are only required if the Digital Baseband Interface option R amp S FSV B17 is used to measure digital input For details see the Digital Baseband Interface R amp S FSV B17 description of the base unit Input Input Settings Baseband Settings Meas Settings Defines whether RF or digital input is to be m
83. imit line 3 by 20 dB CALCulate lt n gt LIMit lt k gt LOWer STATe lt State gt This command turns a lower limit line on and off Before you can use this command you have to select a limit line with CALCulate lt n gt LIMit lt k gt NAME CALCulate Subsystem Noise Figure R amp S FSV K30 The limit check is activated separately with CALCulate lt n gt LIMit lt k gt STATe The result of the limit check can be queried with CALCulate lt n gt LIMit lt k gt FAIL Suffix lt n gt irrelevant lt k gt 1 8 Selects the limit line Parameters lt State gt ON OFF RST OFF Example CALC LIM4 LOW STAT ON Switches on limit line 4 lower limit Manual operation See Enable Disable on page 56 CALCulate lt n gt LIMit lt k gt NAME lt Name gt This command selects a limit line that already exists or defines a name for a new limit line Suffix lt n gt irrelevant lt k gt 1 8 NF 1 6 Selects the limit line Parameters lt Name gt String containing the limit line name RST REM1 to REM8 for lines 1 to 8 Example CALC LIM1 NAME FM1 Assigns the name FM1 to limit line 1 Manual operation See Name on page 55 CALCulate lt n gt LIMit lt k gt STATe lt State gt This command turns the limit check on and off To query the limit check result use CALCulate lt n gt LIMit lt k gt FAIL Suffix lt n gt irrelevant lt k gt Selects the limit line Parameters lt State gt ON
84. imum Y axis display to 100 K for trace 1 Example DISP TRAC2 ON Switches on the display of trace 2 gain results DISP TRAC2 Y BOTT 1 Sets the minimum Y axis display to 1 dB for trace 2 Usage SCPI confirmed Mode NF DISPlay Subsystem Noise Figure K30 Manual operation See Min Y Axis NF Max Y Axis NF on page 47 See Min Y Axis Temp Max Y Axis Temp on page 47 See Min Y Axis Max Y Axis on page 48 DISPlay WINDow lt n gt TRACe lt t gt Y SCALe RLEVel lt Value gt This command sets the reference level for the Y axis display value for all trace dis plays This command has no affect if automatic reference level detection is enabled DISPlay WINDow lt n gt TRACe lt t gt Y SCALe RLEVel AUTOCOMMAand This command is not available when using Digital Baseband Interface R amp S FSV B17 Suffix lt n gt 1 window lt t gt irrelevant Parameters lt Value gt RST 30 dBm Example DISP TRAC Y RLEV 0 Sets the reference level 0 dBm Usage SCPI confirmed Mode NF Manual operation See Ref Level on page 44 DISPlay WINDow lt n gt TRACe lt t gt Y SCALe RLEVel AUTO lt State gt This command enables or disables the automatic reference level detection This command is not available when using Digital Baseband Interface R amp S FSV B17 Suffix lt n gt 1 window lt t gt irrelevant Parameters lt State
85. is generated Parameters lt Frequency gt O to fmax min span In analyzer mode the span range is 10 Hz to fax For SEM and Spurious Emission measurements the minimum span 20 Hz RST 0 Example FREQ STAR 20MHz Manual operation See Start Freq on page 37 See Start on page 49 SENSe FREQuency STEP lt Frequency gt This command specifies the step frequency for a new frequency measurement list If this value is altered a new frequency list is generated Parameters lt Frequency gt lt numeric value gt RST 32 MHz Example FREQ STEP 10MHZ Sets the step frequency for a new list to a value of 10 MHz Manual operation See Step Freg on page 38 See Stepsize on page 49 SENSe FREQuency STOP lt Frequency gt This command specifies the stop frequency for a new frequency measurement list If this value is altered a new frequency list is generated Parameters lt Frequency gt min span to fmax In analyzer mode the span range is 10 HZ to fmax For SEM and Spurious Emission measurements the minimum span 20 Hz RST fmax SENSe Subsystem Noise Figure R amp S FSV K30 Example FREQ STOP 2000 MHz Manual operation See Stop Freg on page 37 See Stop on page 50 SENSe SWEep COUNt lt NumberSweeps gt This command defines the number of sweeps started with single sweep which are used for calculating the average or maximum value If the values
86. ixed frequency SENSe FREQuency CW FIXed on page 98 To start the measurement CONFigure SINGle on page 77 INIT Measurement Modes of the Noise Figure Measurement To query the results FETCh SCALar NOISE FIGure on page 86 FETCh SCALar NOISE GAIN on page 86 FETCh SCALar NOISE TEMPerature on page 86 Single frequency measurement A measurement is performed at a specified single frequency either once or continu ously Thus the individual frequency can be investigated in more detail for example to see the effect of dynamic changes to the noise figure of the DUT at a particular fre quency An initial list measurement is not necessary The frequency is defined by activating the Single Freq option and entering the fre quency in the Start Freq field in the Frequency Settings dialog box see Frequency Settings on page 37 The Frequency Table is reduced to a single entry In effect the single frequency measurement is a list measurement reduced to a single list entry The result of a fixed frequency measurement is displayed in the result table only not graphically Remote commande To configure the single frequency SENSe FREQuency STARt on page 100 To start the measurement CONFigure FREQ CONTinuous on page 75 or CONFigure FREQO SINGle on page 75 INIT To query the results FETCh ARRay NOISE FIGure on page 85 FETCh ARRay NOISE GAIN on page 85 FETCh ARRay NOISE TEM
87. k gt DELete This command deletes a limit line Suffix lt n gt lt k gt Example Usage irrelevant Selects the limit line CALC LIM1 DEL Deletes limit line 1 Event CALCulate Subsystem Noise Figure R amp S FSV K30 Manual operation See Delete on page 56 CALCulate lt n gt LIMit lt k gt FAIL This command queries the result of a limit check Note that for SEM measurements the limit line suffix lt k gt is irrelevant as only one spe cific SEM limit line is checked for the currently relevant power class To get a valid result you have to perform a complete measurement with synchroniza tion to the end of the measurement before reading out the result This is only possible for single sweeps Suffix lt n gt irrelevant lt k gt limit line Return values lt Result gt 0 PASS 1 FAIL Example INIT WAI Starts a new sweep and waits for its end CALC LIM3 FAIL Queries the result of the check for limit line 3 Usage Query only CALCulate lt n gt LIMit lt k gt LOWer SHIFt lt Distance gt This command moves a complete lower limit line vertically Compared to defining an offset this command actually changes the limit line definition points by the value you define Suffix lt n gt irrelevant lt k gt Selects the limit line Parameters lt Distance gt Numeric value that defines the distance of the shift Example CALC LIM3 LOW SHIF 20DB Shifts all Y values of l
88. l 1176 7562 02 03 1 39 Softkeys and Settings of the Noise Menu R amp S FSV K30 ENR Settings Opens the ENR dialog box ENR Settings ENR Table RF ENR Constant Z 0 Hz 0 dB ENR Constant 15 dB 0 Hz 0 dB Room Temperature 293 K The abbreviation ENR stands for excess noise ratio Correct ENR values for the noise source are essential to perform accurate measurements They are used to calcu late the effective noise temperature of the noise source that in turn is used for calcula tion of measurement results Remote command SENSe CORRection ENR MEASurement TABLe DATA on page 92 Selection ENR Settings Defines the used ENR values The default ENR value is 15 dB as a constant value that is valid for all frequencies Constant The value specified in the ENR Constant field is used for all fre quencies see ENR Constant on page 40 The entries of the ENR Table are ignored Table The entries of the ENR Table provide the basis for the ENR values Between these values the R amp S FSVR uses interpolated values Remote command SENSe CORRection ENR SPOT on page 92 ENR Constant ENR Settings Specifies the constant ENR value of the noise source that is used throughout the entire frequency range This parameter is only editable if Constant is selected in the selec tion list Remote command SENSe CORRection ENR SPOT on page 92 Room Temperatur
89. lly CALCulate Subsystem Noise Figure R amp S FSV K30 Compared to defining an offset this command actually changes the limit line definition points by the value you define Suffix lt n gt lt k gt Parameters lt Distance gt Example Selects the measurement window Selects the limit line Numeric value that defines the distance of the shift The unit depends on the scale of the x axis CALC LIM2 CONT SHIF 50KHZ Shifts all reference values of limit line 2 by 50 kHz CALCulate lt n gt LIMit lt k gt LOWer DATA lt LimitLinePoints gt This command defines the vertical definition points of a lower limit line If the measured values are smaller than the LOWer limit line the limit check is violated Suffix lt n gt lt k gt Parameters lt LimitLinePoints gt Example Manual operation irrelevant 1 8 Selects the limit line Variable number of x axis values Note that the number of horizontal values has to be the same as the number of vertical values set with CALCulate lt n gt LIMit lt k gt CONTrol1 DATA If not the R amp S FSVR either adds missing values or ignores surplus values RST LIMit STATe is set to OFF CALC LIM2 LOW 30 40 10 40 30 Defines 5 lower limit values for limit line 2 in the preset unit CALC LIM2 LOW Outputs the lower limit values of limit line 2 separated by a comma See Limit on page 56 CALCulate lt n gt LIMit lt
90. lt that can be displayed graphically It is only possible to enter a value if the automatic scaling is deactivated see Auto matic Scaling on page 47 and the y axis is set to Noise Figure see Y Axis on page 46 Remote command DISPlay WINDow lt n gt TRACe lt t gt Y SCALe BOTTom on page 82 DISPlay WINDow lt n gt TRACe lt t gt Y SCALe TOP on page 84 Min Y Axis Temp Max Y Axis Temp Noise Trace Settings Display Settings Specifies the minimum maximum noise temperature result that can be displayed graphically It is only possible to enter a value if the automatic scaling is deactivated see Automatic Scaling on page 47 and the y axis is set to Noise Figure see Y Axis on page 46 Remote command DISPlay WINDow lt n gt TRACe lt t gt Y SCALe BOTTom on page 82 DISPlay WINDow lt n gt TRACe lt t gt Y SCALe TOP on page 84 Symbols Noise Trace Settings Display Settings Activates or deactivates the symbol representation If activated each measured value is marked by a symbol This helps to distinguish result types in a monochrome printout Remote command DISPlay WINDow lt n gt TRACe lt t gt SYMBols on page 80 Gain Trace Settings Display Settings The settings related to the graphical display of gain results Note that when using the Digital Baseband Interface R amp S FSV B17 the Gain Trace Settings are not available Softkeys and Settings of the Noise Menu R
91. mand DISPlay WINDow lt n gt TRACe lt t gt SYMBols on page 80 Noise and Gain X Axis Settings Display Settings The settings related to noise and gain results X Axis Noise and Gain X Axis Settings Display Settings Specifies the scaling of the x axis This parameter is only editable in a frequency con verting measurement mode Remote command DISPlay WINDow lt n gt TRACe lt t gt X SCALe on page 80 Editing Tables The following functions are available as softkeys when a table in a dialog box is focussed for editing Build Tbl Editing Tables Updates the table according to the Frequency Settings see the Frequency Settings softkey Frequency Settings on page 36 6 2 Softkeys of the Frequency Menu R amp S FSV K30 Exit Editing Tables Exits the edit mode of a table Insert Editing Tables Inserts a row above the currently selected row and sets the focus on the first field of the new row This softkey is only available if the Frequency Table contains less than 100 measure ment steps Delete Editing Tables Deletes the currently selected row This action requires no confirmation Import Editing Tables Opens a dialog box to select an Agilent ENR table to import The file extension has to be enr An import copies the ENR table into the default ENR table directory and replaces the current table in the configuration dialog box Cal Performs a calibration The calibration
92. ments INIT Starts a new measurement if no measurement sequence is already in progress Event NF See Cal on page 49 CONFigure FREQ CONTinuous This command configures a single frequency measurement in continuous sweep mode This command is not available when using Digital Baseband Interface R amp S FSV B17 Example Usage Mode Manual operation FREO STAR 20MHz Defines the single frequency to be measured as 20 MHz CONF FREQ CONT Configures to run a single frequency measurement in continuous sweep mode INIT Starts a new measurement if no measurement sequence is already in progress Event NF See Single Freq on page 37 CONFigure FREQ SINGle This command configures a single frequency measurement in single sweep mode CONFigure Subsystem Noise Figure R amp S FSV K30 This command is not available when using Digital Baseband Interface R amp S FSV B17 Example FREQ STAR 20MHz Defines the single frequency to be measured as 20 MHz CONF FREQ SING Configures to run a single frequency measurement in single sweep mode INIT Starts a new measurement if no measurement sequence is already in progress Usage Event Mode NF Manual operation See Single Freq on page 37 CONFigure LIST CONTinuous This command configures a frequency list measurement in continuous sweep mode Example CONF LIST CONT Configures to run a frequency list measurement in continuous sweep mode
93. modes by means of numbers Parameters lt Mode gt 19 Noise Figure Measurements option R amp S FSV K30 SENSe Subsystem Noise Figure R amp S FSV K30 The SENSe subsystem is used to set and query the values of parameters in the remote instrument DEFault If a parameter has a default a value the command parameter can be substitu ted with DEFault which loads the default reset value of the parameter UP DOWN In addition all numeric values are able to take UP or DOWN in place of the parameter This will increment or decrement the numeric value MIN MAX In addition all numeric values are able to take either MINimum or MAXimum as arguments to determine the minimum or maximum range available for the com mand The SENSe subsystem is divided into equipment settings and measurement settings Equipment Settings Commande 91 8 10 2 Measurement Settings SENSe CONFigure Commande oocicccccnnonccnnnccccnonnncnnnninonnns 96 SENSe Subsystem Noise Figure R amp S FSV K30 8 10 1 Equipment Settings Commands SENSe CORRection STAT e c cccsatcecc ete tote ce daaenedensgetesesenieevaetecsapeatensiigan NEEN Nee ENN 91 SEI ORRecionENRIMODE ri deed deed 91 SENSe CORRectioniENRISPO Tio arabe 92 SENSe CORRection ENR MEASurement T AB e DATA E 92 SENSE ICORReCiOnIREJeCHOM couriers A 92 SENSe CORRection LOSSiINPUEMODE 3 2 cscctiscctnaviasyndviaenecevedesebercvtsileagaeviienstenessis 93 SENSe I COR
94. n and off If the corresponding marker number is currently active as a deltamarker it is turned into a normal marker Suffix lt n gt Selects the measurement window lt m gt depends on mode Selects the marker Parameters lt State gt ON OFF RST OFF Example CALC MARK3 ON Switches on marker 3 or switches to marker mode Manual operation See Marker 1 2 3 4 on page 54 CALCulate lt n gt MARKer lt m gt TRACe lt Trace gt This command selects the trace a marker is positioned on The corresponding trace must have a trace mode other than Blank If necessary the corresponding marker is switched on prior to the assignment In the persistence spectrum result display the command also defines if the marker is positioned on the persistence trace or the maxhold trace Suffix lt n gt Selects the measurement window lt m gt depends on mode Selects the marker CALCulate Subsystem Noise Figure R amp S FSV K30 Parameters lt Trace gt MAXHold Defines the maxhold trace as the trace to put the delta marker on This parameter is available only for the persistence spectrum result display WRITe Defines the persistence trace as the trace to put the delta marker on This parameter is available only for the persistence spectrum result display NOISe GAIN NMEM1 NMEM2 NMEM3 GMEM1 GMEM2 GMEM3 NOISe Current noise trace GAIN Current gain trace NME
95. ng point numerals for the ASCII Trace export to support evaluation programs e g MS Excel in different languages The values decimal point and comma can be set Remote command FORMat DEXPort DSEParator on page 86 6 8 Softkeys of the Marker Menu R amp S FSV K30 The following table shows all softkeys available in the Marker menu in Noise mode MKR key The R amp S FSV K30 option now has 4 markers each of which can be set either to the noise the gain or any of the traces in memory MEA MA E EEA EE AAE EEE AAA EEE EEE AEE EE A 54 Marker ta NC 54 AO EE 54 6 9 Softkeys of the Marker To Menu R amp S FSV K30 Marker 1 2 3 4 Activates one of four possible markers and opens an edit dialog box to enter a value for the marker to be set to Pressing the softkey again deactivates the marker These softkeys are only available if measurement results are displayed Remote command CALCulate lt n gt MARKer lt m gt STATe on page 72 CALCulate lt n gt MARKer lt m gt X on page 73 CALCulate lt n gt MARKer lt m gt Y on page 74 Marker to Trace Opens a dialog box to select the trace noise figure gain or memory trace on which the currently selected marker is to be placed This softkey is only available if measurement results are displayed Remote command CALCulate lt n gt MARKer lt m gt TRACe on page 72 All Marker Off Switches off the active marker This softkey is only available if me
96. nt lt Comment gt This command defines a comment for the selected limit line in all windows Suffix lt n gt irrelevant lt k gt Selects the limit line Parameters lt Comment gt String containing the comment The maximum number of char acters the string may contain is 40 Example CALC LIM5 COMM Upper limit for spectrum Defines the comment for limit line 5 Manual operation See Comment on page 56 CALCulate lt n gt LIMit lt k gt CONTrol DATA lt LimitLinePoints gt This command defines the horizontal definition points of a lower limit line Suffix lt n gt Selects the measurement window lt k gt 1 8 Selects the limit line Parameters lt LimitLinePoints gt Variable number of x axis values Note that the number of horizontal values has to be the same as the number of vertical values set with CALCulate lt n gt LIMit lt k gt LOWer DATA or CALCulate lt n gt LIMit lt k gt UPPer DATA If not the R amp S FSVR either adds missing val ues or ignores surplus values RST CALC LIM is set to OFF Example CALC LIM2 CONT 1 MHz 30 MHz 100 MHz 300 MHz 1 GHz Defines 5 reference values for the x axis of limit line 2 CALC LIM2 CONT Outputs the reference values for the x axis of limit line 2 separa ted by a comma Manual operation See Frequency on page 56 CALCulate lt n gt LIMit lt k gt CONTrol SHIFt lt Distance gt This command moves a complete limit line horizonta
97. nts cccccccccccsseeccesecessseeeeeeeeeeeseeseeeeeeeseenseeeneeeess 26 Fixed LO Measurements icon KEEN EREEREEEEEE seeds EEEEKSEAE EK EEEEEEEEUEn 27 Image Frequency Rejection SSB DSP 27 Direct Measurements Direct measurements are designed for DUTs without frequency conversion e g ampli fiers e chapter 4 1 1 Basic Measurement Example on page 23 e chapter 4 1 2 DUTs with very Large Gain on page 26 Basic Measurement Example This section provides step by step instructions for working through an ordinary noise figure measurement The following steps are described e Setting up the measurement on page 23 e Performing the calibration on page 25 e Performing the main measurement on page 25 The gain and noise figure of an amplifier are to be determined in the range from 220 MHz to 320 MHz Setting up the measurement 1 Activate the Noise mode by pressing the MODE key and selecting Noise 2 Press the Freq Settings softkey to open the Frequency Settings dialog box Direct Measurements 7 8 Frequency Settings Frequency Settings Frequency Table RF IF Image Start Freq 10 MHz 10 000 MHz a Stop Freq 7 GHz 709 000 MHz i EE Step Freq 699 MHz 1 408 GHz i i Center Freq 3 505 GHz 2 107 GHz i Span 6 99 GHz 2 806 GHz DO Sweep points 11 3 505 GHz P MODE Direct 4 204 Griz MI Fixed LO 7 4 903 tt RP i Image Rej e 5 602 GHz M 6 301GHz M 7 000 GHz M hE Es In the Start
98. nts The use of an R amp S FSV spectrum analyzer with its high sensitivity and level accuracy enables the accurate and reproducible measurement of the noise figure of a Device Under Test for example of low noise FET amplifier circuits with noise figures of less than 1 dB Compared with specialist noise measurement instruments the properties of the analyzer are ideal for noise measurements e Different configurations of the sweep number and sweep time for the level mea surement also allows the noise figure and even the gain of the DUT to be deter mined even at low frequencies e The high dynamic range of the analyzer enables measurements on highly amplify ing DUTs e The frequency range of the analyzer can be fully utilised as a measurement range R amp S FSV K30 makes full use of the features and accuracy of the spectrum analyzer to provide accurate and flexible noise measurements that are very easy to use Overview of Firmware Option R amp S FSV K30 This section contains all information required for operation of an R amp S FSVR equipped with Application Firmware R amp S FSV K30 It covers operation via menus and the remote control commands for accurate and flexible noise measurement functions This section consists of the following chapters e Measurement Basics Provides basic knowledge on performing noise measurements e Measurement Examples R amp S FSV K30 Explains some basic noise figure measurement examples e Instrument Fun
99. oise Figure Measurements R amp S FSV Eeer 31 3 1 Editing Tables is 31 52 Working With Limit LINES oo ta 31 6 Menu and Softkey Description R amp S FSV K30 oooommccccccnonicccccccoos 33 6 1 Softkeys and Settings of the Noise Menu R amp S FSV K30 ccceesseeeeeeeeeeeeeees 33 6 2 Softkeys of the Frequency Menu R amp S FSV K30 cccccessereeeeeseeeeeesesseeeeeeeeeeees 49 6 3 Softkeys of the Span Menu R amp S FSV K30 ccccccesseeeeeeeeeeeeeeneeeeeeeeeesseeeseeeeseeeeens 50 64 AMP T gl 51 00 NNN ona E A AI E 51 6 6 Softkeys of the Sweep Menu R amp S FSV K3O oonnnncoononicccccinosmccnonnssencnnnanarnrrnnnnn enn 51 6 7 Softkeys of the Trace Menu R amp S FSV K30 cccccccessseeeeeeeeeeeeeeeeeeeeeeeeesseeeseeeeeenes 52 SSS SS ee SS a Operating Manual 1176 7562 02 03 1 3 R amp S FSV K30 Contents 6 8 6 9 6 10 6 11 7 1 7 2 7 3 8 1 8 2 8 3 8 4 8 5 8 6 8 7 8 8 8 9 8 10 8 11 8 12 Softkeys of the Marker Menu R amp S FSV K30 ccesscceeseeeeeeeeeeesteeeeseeeeseeeeseeeeeeees 53 Softkeys of the Marker To Menu R amp S FSV K30 ccccseseeeeeeeeseeeeeeeeeeseeeeeeeeeeeenenes 54 Softkeys of the Lines Menu R amp S FSV K30 ccccssseceeeeseeeceeeeeseeeeeeeeseeneeeeneeeaes 55 Softkeys of the Input Output Menu R amp S FSV K30 cceceeeeeeeeeeeeeeeeeseeeeeeeneeeeenens 57 Status Reporting System R amp S FSV K30 cccceeeeeeeeseeeeeeeeeeeeeees 59 STATU
100. oise figure of a Device Under Test e g low noise amplifier circuits with noise figures of less than 1 dB can be measured To open the main noise figure measurements menu e If the Noise mode is not the active measurement mode press the MODE key and activate the Noise option e If the Noise mode is already active press the HOME key The main noise figure measurements menu is displayed Menu and softkey description chapter 6 Menu and Softkey Description R amp S FSV K30 on page 33 Tasks e chapter 5 1 Editing Tables on page 31 e chapter 5 2 Working With Limit Lines on page 31 5 1 Editing Tables 1 Select the table header to enter into the edit mode 2 Focus the field you want to edit by touching it or using the arrow keys or the rotary knob 3 Enter the values for details refer to the Quick Start Guide chapter 4 Basic Oper ations 4 To insert a new row above the currently selected row press the Insert softkey a To delete the currently selected row press the Delete softkey b To update the Frequency Table according to the Frequency Settings press the Build Tbl softkey 5 Press the Exit softkey to leave the edit mode 5 2 Working With Limit Lines 1 Press the LINES key Working With Limit Lines The Limit Lines dialog box is displayed It contains information on name limit status and a comment 2 To activate limit lines select the limit line you want to activ
101. ombined Trace Display ooorosricn rra 46 L Noise Trace SOMOS acrcicids arica iia ici 46 A a 46 E A tial eiaa 47 L Min Y Axis NF Max Y Axis NEE 47 L Min Y Axis Temp Max Y Axis Temp 47 A E A 47 benennen Eeer 47 ek ZE 48 L Automate Scaligero ea EaR 48 L Min Y Axis Max EE 48 BEE E EEE E tneceneceacatienees 48 L Noise and Gain X Axis Setting 48 A 48 Edi Tables iuris dae 48 ETN POPE 48 A o nn 49 A O A A TE 49 e sen a E E ee Dssasesecris abd 49 G i EE 49 EC 49 Softkeys and Settings of the Noise Menu R amp S FSV K30 Schematic Overview Displays the schematic diagram of the test setup for the selected measurement type and the specified frequency ranges If the frequency ranges are changed the sche matic diagram is updated accordingly The test setup varies depending on the mea surement mode Direct measurement The direct measurement mode is designed for DUTs without frequency conversion e g amplifiers The schematic display for the direct measurement mode is shown in figure 6 1 The upper part of the figure shows the setup for calibration The lower part of the figure shows the test setup for the measurement Schematic overview Calibration Type NS XX e Y 2nd Stage Corr On Noise Spectrum Source Analyzer Source Const RF Const 15 dB Start 10 MHz Stop 10 MHz Measurement Type NS XX Type Direct Noise Loss DUT Loss Spectrum Source Input Output Analyser Source Const Source
102. ously according to the trigger settings This is the default setting Remote command INITiate lt n gt CONTinuous on page 89 CONFigure LIST CONTinuous on page 76 Sweep Single Sets the single sweep mode The measurement stops after the defined number of sweeps Sweep points setting in the Measurement Settings has been performed If a measurement is started while another measurement is in progress the first measure ment is aborted and the new measurement started immediately For further details refer to chapter 3 1 Measurement Types on page 11 Remote command INITiate lt n gt CONTinuous on page 89 CONFigure LIST SING1le on page 76 Cal Performs a calibration The calibration status of the noise figure measurement is dis played in the title bar For more details see chapter 3 6 Calibration on page 18 Softkeys of the Trace Menu R amp S FSV K30 This softkey is only available if the 2nd Stage Correction option in the Measurement Settings dialog box is activated Remote command CONFigure CORRection on page 75 Fix Freq Starts a fixed frequency measurement for the frequency that is currently selected in the Frequency List Results This softkey is only available after a frequency list measurement has been completed and the measurement results are displayed in list form Display Settings on page 45 softkey Remote command CONFigure SINGle on page 77 SENSe FREQuency CW FIXed on page 98 6 7
103. pe FSVR Version 1 45 Date 01 Apr 2010 Date of data set storage Screen A Instrument mode Points per Symbol 4 Points per symbol x Axis Start 13 sym Start value of the x axis x Axis Stop 135 sym Stop value of the x axis Ref value y axis 10 00 dBm Ref value position 100 Y axis reference value Y axis reference position Trace 1 Trace number Meas Result Result type Meas Signal Magnitude Result display Demodulator Offset QPSK Demodulation type ResultMode Trace Result mode ASCII File Export Format File contents header and data section Description x unit sym Unit of the x axis y unit dBm Unit of the y axis Trace Mode Clear Write Trace mode Values 592 Number of results lt values gt List of results 4 4 1 4 1 1 4 1 2 4 2 4 2 1 4 2 2 4 1 4 1 1 Direct Measurements Measurement Examples R amp S FSV K30 This section describes measurement examples for the Noise Figure Measurements option K30 For further information on measurement examples refer to the Quick Start Guide chapter Basic Measurement Examples or the Operating Manual on CD This chapter provides the following measurement examples Direct MeasUrements o cossiisccrrrenic carnosas sarria RR RRA 23 Basic MeasurementExamMple coccion aaa naana 23 DU Ts with very Large Gallina ea 26 Frequency Converting Measureme
104. pes of measurements are possible e Frequency list measurement e Fixed frequency measurement e Single frequency measurement Frequency list measurement A measurement is performed at each of the frequencies listed in the frequency list The noise figure of the DUT across a user specified range of frequencies is measured In single sweep mode each frequency point is measured once until the measurement is complete In continuous sweep mode one frequency point after the other is measured in turn until the measurement is aborted The frequency list is defined in the Frequency Table in the Frequency Settings dia log box see Frequency Settings on page 36 Two methods are possible e The list is generated according to the start stop and step frequencies The first value in the list is the Start Freq For each subsequent value the Step Freq is added until the Stop Freq is reached If the Stop Freq is lower than the Start Freq the Step Freq is subtracted from the Start Freq for each subsequent value A maximum of 100 list entries is generated If further entries would be required to reach the Stop Freq an error message is displayed If the step fre quency is larger than the difference between the start frequency and the stop fre quency the Frequency Table and the Frequency List Results result display just contain the start and stop frequency e The list is generated according to the center frequency span and numb
105. quency List Results result display just contain the start and stop frequency For details see chap ter 3 1 Measurement Types on page 11 If the step frequency is changed the Frequency Table is updated accordingly Remote command SENSe FREQuency STEP on page 100 Center Freq Frequency Settings Frequency Settings Defines the center frequency Remote command SENSe FREQuency CENTer on page 98 Span Frequency Settings Frequency Settings Specifies the frequency span Remote command SENSe FREQuency SPAN on page 99 Sweep points Frequency Settings Frequency Settings Defines the number of measured values to be collected during one sweep Remote command SENSe SWEep POINts on page 101 Mode Frequency Settings Frequency Settings Specifies the measurement mode For details on modes refer to chapter 3 2 Mea surement Modes of the Noise Figure Measurement on page 13 If the mode is changed the Frequency Table is updated accordingly Direct Direct measurement Fixed LO IF RF LO Upconverter Fixed LO IF RF LO Down converter Digital IQ Digital baseband input using the optional R amp S FSV B17 interface Remote command SENSe CONFigure MODE DUT on page 97 Fixed LO Frequency Settings Frequency Settings Specifies the fixed local oscillator frequency This field is only available if a frequency
106. re available e Normal 3dB Gaussian filters The Gaussian filters are set by default The available bandwidths are specified in the data sheet e CISPR 6 dB filters e MIL Std 6 dB filters Note that the 6 dB bandwidths are available only with option R amp S FSV K54 e Channel filters For details see chapter 3 8 List of Available RRC and Channel Filters on page 19 Channel filters do not support FFT mode e RRC filters For details see chapter 3 8 List of Available RRC and Channel Filters on page 19 RRC filters do not support FFT mode e 5 Pole filters The available bandwidths are specified in the data sheet 5 Pole filters do not support FFT mode 3 8 List of Available RRC and Channel Filters For power measurement a number of especially steep edged channel filters are availa ble see the following table The indicated filter bandwidth is the 3 dB bandwidth For RRC filters the fixed roll off factor a is also indicated Table 3 1 Filter types Filter Bandwidth Filter Type Application 100 Hz CFiLter 200 Hz CFiLter AO 300 Hz CFiLter 500 Hz CFiLter 1 kHz CFiLter 1 5 kHz CFiLter 2 kHz CFiLter 2 4 kHz CFiLter SSB List of Available RRC and Channel Filters Filter Bandwidth Filter Type Application 2 7 kHz CFiLter 3 kHz CFiLter 3 4 kHz CFiLter 4 kHz CFiL
107. reference level measurement is performed as follows e 2nd stage correction activated At the beginning of the calibration measurement several measurements are per formed at the first frequency test point and the reference level is calculated from these results taking into account the maximum gain of the DUT see Range on page 44 e 2nd stage correction deactivated At the beginning of the main measurement several measurements are performed at the first frequency test point and the reference level is calculated from these results The range setting is not significant off Specify a reference level manually see Ref Level on page 44 On The reference level is measured automatically The total measure ment time increases Remote command DISPlay WINDow lt n gt TRACe lt t gt Y SCALe RLEVel AUTO on page 83 Ref Level Analyzer Settings Meas Settings Specifies the reference level It is only possible to enter a reference level manually if the automatic reference level is deactivated see Automatic Ref Level on page 44 The reference level should be about 5 to 15 dB above the noise display that occurs with the DUT connected and the noise source activated Even for DUTs with a high ripple frequency response it can be useful to enter the refer ence level manually because an automatic reference level setting may not always result in optimal settings Remote command DISPlay WINDow lt n gt TRACe lt t
108. rement the Fixed Frequency Meter area displays the cur rent measurement value Frequency List Results A ee gegen 10 000 MHz Fixed Frequency Meter Frequency 6 0 2 Noise Figure Running Operating Manual 1176 7562 02 03 1 17 3 5 3 6 3 7 Status Bar Information Status Bar Information The status bar displays the following information Parameter values If a parameter in a settings dialog box is selected the minimum and maximum values for the selected parameter are displayed If a Boolean or an enumarated parameter in a dialog box is selected the minimum and maximum values are displayed as N A for not applicable Measurement status During the measurement the current measurement status along with detailed information about the progress is displayed Error messages red background Warning messages yellow background Calibration The calibration measures the noise introduced to a signal by the spectrum analyzer itself to compensate it in measurements on a device under test This compensation is called 2nd stage correction because the spectrum analyzer is the second stage of the test setup the DUT being the first stage If the second stage correction is activated see 2nd Stage Correction on page 42 a separate calibration measurement is performed before the main measurement for details on the measurement setup refer to the base unit Operating Manual on CD ROM chapter
109. s Set measurement mode Image Rej Frequency Settings Set suppression applied to the second sideband Image Rej Fixed LO Frequency Settings Set Local oscillator frequency Hz only for frequency convert ing measurements Fixed IF Frequency Settings Set IF frequency for Fixed IF measurements LO Source Frequency Settings Reserved for external LO control currently not available Spi sctrum Ar lalyze Jr Auto Level On MHz Noise Source Constant Mode Ref Level 3 Im 0 5 Serial Nr Image Rej Att dB ENR Const y Fixed LO Preamplifier Off 2nd Stage Corr On LO Source Fig 3 1 Measurement settings for the noise figure measurements example Result Displays The measurement results are represented according to the measurement type see chapter 3 1 Measurement Types on page 11 Frequency list results The measurement results for all frequencies defined in the Frequency Table are dis played as a graph or a table depending on the currently selected result display see Display Graph List on page 52 softkey See figure 3 3 and figure 3 2 The measurement results are updated as the measurement is in progress Under Cur rent Value the details of the currently selected frequency in the Frequency List Results are displayed R amp S FSV K30 Measurement Basics Spectrum Analyzer Noise Noise Fig Auto Level On RBW 1MHz Noise Source Constant Mode Ref Level 30dBm SWT 100ms_ Serial Nr Image Rej Att
110. s The constant loss output value is specified by the SENSe CORRection LOSS OUTPut SPOT command SENSe Subsystem Noise Figure R amp S FSV K30 Parameters lt Mode gt SPOT TABLe SPOT The constant loss input value for all measurement frequencies is used TABLe The loss input table is used RST SPOT Example CORR LOSS OUTP MODE SPOT Uses the configured constant loss output value for all input fre quencies to be measured Mode NF SENSe CORRection LOSS OUTPut SPOT lt Value gt This command specifies the loss output constant for all input frequencies to be mea sured Parameters lt Value gt 999 99 to 999 99 dB accurate to two decimal places RST 0 dB Example SENSe CORRection ENR SPOT on page 92 CORR LOSS OUTP MODE SPOT Uses the configured constant loss output value for all input fre quencies to be measured CORR LOSS OUTP SPOT 10 Sets the internal output loss constant value to 10 dB for all input frequencies to be measured Mode NF Manual operation See Loss Input Constant Loss Output Constant on page 42 SENSe CORRection LOSS OUTPut TABLe lt TableData gt This command specifies a new output loss table to determine the correct output loss to be used for the input frequencies This new list completely overwrites all current output loss list entries regardless of how many entries are present and how many entries are being supplied for the new list Parameters lt
111. s Output Settings Under Loss Output Settings the additional loss between the DUT and the analyzer is defined Loss settings can be saved and recalled at any time via the SAVE RCL key for details refer to the base unit description In addition to the data saved by the basic unit all data entered in the Loss Settings dialog box is saved Remote command SENSe CORRection LOSS INPut TABLe on page 94 SENSe CORRection LOSS OUTPut TABLe on page 95 Selection Loss Settings Defines the used Loss values Constant The values specified in the Loss Input Constant Loss Output Con stant fields are used for all frequencies The entries of the Loss Input Output table are ignored Table The entries of the Loss Input Output table provide the basis for the Loss values Between these values the R amp S FSVR uses interpola ted values Remote command SENSe CORRection LOSS INPut SENSe CORRection LOSS INPut MODE on page 93 TABLe on page 94 II II ee Softkeys and Settings of the Noise Menu R amp S FSV K30 Loss Input Constant Loss Output Constant Loss Settings Specifies the constant loss value that is used across the entire frequency range This parameter is only editable if Constant is selected in the selection list Remote command SENSe CORRection LOSS INPut SPOT on page 93 SENSe CORRection LOSS OUTPut SPOT on page 95 Loss Input Table Loss Output
112. s the selected limit line Limit checking is only performed for activa ted limit lines Only one limit line of each type can be active at a given time Remote command CALCulate lt n gt LIMit lt k gt STATe on page 68 CALCulate lt n gt LIMit lt k gt LOWer STATe on page 67 CALCulate lt n gt LIMit lt k gt UPPer STATe on page 70 Delete Deletes the selected limit line Remote command CALCulate lt n gt LIMit lt k gt DELete on page 66 Edit Table mode The following functions are available if a limit line table is focussed for editing For details see chapter 5 2 Working With Limit Lines on page 31 and chapter 5 1 Edit ing Tables on page 31 Exit Edit Table mode Exits the edit mode of a table Insert Edit Table mode Inserts a row above the currently selected row and sets the focus on the first field of the new row Delete Edit Table mode Deletes the currently selected row This action requires no confirmation R amp S FSV K30 Menu and Softkey Description R amp S FSV K30 6 11 Softkeys of the Input Output Menu R amp S FSV K30 The following chapter describes all softkeys available in the Input Output menu for Noise Figure measurements Note that the digital baseband functions are only availa ble if the optional Digital Baseband Interface R amp S FSV B17 is installed For details see the base unit description Itten A e a aa aA EA A T ATA 57 EE 57 EE 57 ERES EES 57 GR EE 58 L Firm
113. smaller than the stop frequency the RF values are generated into a list of ascending frequencies If the start frequency is larger the list is descending No more than 100 measurement steps are possible If the gap between start and stop frequency is too large increase the step frequency Depending on the measurement type the Frequency Table contains the following columns Measurement type Column Description Direct measurement RF Receive frequency generated from the Start Freq the Stop Freq and the Step Freq field entries Frequency converting LO Constant LO frequency defined via the Fixed LO field measurement Frequency converting IF IF frequency calculated according to the Mode field measurement Image Image frequency shows whether image frequency filters are required and for which frequency range the image rejection of the DUT is needed Image Rej field You can customize the Frequency Table by editing deleting and inserting measure ment steps This is useful in order to insert extra measurement steps near a specific frequency of interest in order to get more detailed results If the start stop or step fre quency is changed the Frequency Table is generated afresh and all manual modifi cations are overwritten To customize this table proceed according to chapter 5 1 Editing Tables on page 31 Remote command SENSe FREQuency LIST DATA on page 99 PC Operating Manua
114. splay of trace 2 gain results DISP TRAC2 Y AUTO ON Switches on automatic scaling of the Y axis for trace 2 Usage SCPI confirmed Mode NF DISPlay Subsystem Noise Figure K30 Manual operation See Automatic Scaling on page 47 See Automatic Scaling on page 48 DISPlay WINDow lt n gt TRACe lt t gt Y SCALe BOTTom lt Value gt This command sets the minimum bottom Y axis display value for the specified trace display It has no affect if automatic scaling of the Y axis is enabled DISPlay WINDow lt n gt TRACe lt t gt Y SCALe AUTO command This command is not available when using Digital Baseband Interface R amp S FSV B17 Suffix lt n gt 1 window lt t gt 1 2 indicates the measurement results Trace 1 is always used for noise results and trace 2 is always used for gain results Parameters lt Value gt noise figure noise temperature gain noise figure 75 dB to 75 dB noise temperature 999990000 K to 999990000 K gain 75 dB to 75 dB RST 0 dB Example DISP DATA TRAC1 NFIG Sets the noise figure to trace DISP TRAC ON see DISPlay WINDow lt n gt TRACe lt t gt SYMBols Switches on the display of trace 1 noise results DISP TRAC Y BOTT 30 Sets the minimum Y axis display to 30 dB for trace 1 Example DISP DATA TRAC1 TEFF Sets the noise temperature to trace1 DISP TRAC ON Switches on the display of trace 1 noise results DISP TRAC Y BOTT 100 Sets the min
115. t CALC LIM2 UPP Outputs the upper limit values for limit line 2 separated by a comma Manual operation See Limit on page 56 CALCulate lt n gt LIMit lt k gt UPPer SHIFt lt Value gt This command moves a limit line by the indicated value in Y direction Suffix lt n gt irrelevant lt k gt limit line Parameters lt Value gt lt numeric_value gt Example CALC LIM3 UPP SHIF 20 Shifts all Y values of limit line 3 by 20 limit line units e g dB Mode A ADEMOD CDMA EVDO NF TDS CALCulate lt n gt LIMit lt k gt UPPer STATe lt State gt This command turns a lower limit line on and off Before you can use this command you have to select a limit line with CALCulate lt n gt LIMit lt k gt NAME The limit check is activated separately with CALCulate lt n gt LIMit lt k gt STATe The result of the limit check can be queried with CALCulate lt n gt LIMit lt k gt FAIL Suffix lt n gt irrelevant lt k gt 1 8 Selects the limit line Parameters lt State gt ON OFF RST OFF Example CALC LIM4 UPP STAT ON Switches on limit line 4 upper limit Manual operation See Enable Disable on page 56 CALCulate Subsystem Noise Figure R amp S FSV K30 8 2 2 CALculate MARker subsystem CALCulate lt n gt MARKer lt m gt AOFF This command all markers off including delta markers and marker measurement func tions Suffix lt n gt Selects the measurement window lt m gt
116. t the receive fre quency must not be reduced The insertion loss must be considered if applicable With this test setup the measurement on a mixer without sideband suppression corre sponds to the measurement on a single sideband mixer As in that case set the image rejection in the Frequency Settings dialog box to a large value e g 999 99 dB to produce accurate results To take the characteristics of the filter into account in the Loss Settings dialog box enter the insertion loss of the filter at the RF frequency To consider the actual filter suppression at the image frequency do not enter 999 dB but the actual attenuation for the image rejection Frequency Converting Measurements 4 2 2 5 Measurement on a harmonics mixer For a harmonics mixer the input signals are not only converted to the IF by the wanted harmonic but also by the harmonic of the LO signal produced in the mixer In many cases the mixer even features a lower conversion loss in the case of unwanted har monics For measurements on this type of mixer a bandpass filter must be used to make sure that that there is only noise at the desired input frequency at the input of the DUT This measurement is similar to measurements on a mixer with an average side band suppression Editing Tables 5 Instrument Functions of Noise Figure Mea surements R amp S FSV K30 The Noise Figure Measurements option provides noise figure measurements Using this option the n
117. ted The values specified in this command are not used for a fixed frequency measurement CONFigure SINGle command Parameters lt FrequencyList gt direct measurement frequency converting measurement direct measurement RF 0 Hz to fmax frequency converting measurement RF LO 0 Hz to 999 99 GHz IF O Hz to fmax RST 550 MHz 0 Hz 550 MHz lt numeric_value gt lt numeric_value gt max of 100 argument numeric value set of three frequency measurements in the fol lowing order fixed frequency local oscillator frequency and intermediate frequency The frequency range depends on the selected measurement mode Example FREQ LIST DATA 550MHz 300MHz 900MHz Specifies one entry frequency list with a receive frequency of 550 MHz a local oscillator frequency of 300 MHz and an inter mediate frequency of 900 MHz Mode NF Manual operation See Frequency Table on page 39 SENSe FREQuency SPAN lt Span gt This command defines the frequency span SENSe Subsystem Noise Figure R amp S FSV K30 Parameters lt Span gt In analyzer mode the span range is 10 HS to fmax For SEM and Spurious Emission measurements the minimum span 20 Hz RST fmax Example FREQ SPAN 10MHz Manual operation See Span on page 38 See Span on page 50 SENSe FREQuency STARt lt Frequency gt This command specifies the start frequency for a new frequency measurement list If this value is altered a new frequency list
118. ted trace memory Example INIT Starts a new measurement if no measurement sequence is already in progress CONF ARR MEM2 ONCE see CONFigure ARRay MEMory lt 1 3 gt ONCE on page 74 Copies the last recorded measurement result into the memory 2 FETC ARR MEM2 NOIS TEMP Returns an array of 100 noise temperature results from the selected memory 2 Usage Query only Mode NF FETCh ARRay NOISE FlGure FETCh ARRay NOISE GAIN FETCh ARRay NOISE TEMPerature This command queries the last recorded noise figure gain or temperature measure ment results The results are returned as an array of up to 100 elements of noise results 8 6 FORMat Subsystem Example FETCh ARRay NOISE TEMPerature Returns an array of up to 100 measured elements associated with the last noise temperature measurement Usage Query only Mode NF Manual operation See Data gt Mem1 Data gt Mem2 Data gt Mem3 on page 52 FETCh SCALar NOISE FlGure FETCh SCALar NOISE GAIN FETCh SCALar NOISE TEMPerature This command queries the last recorded noise figure gain or temperature measure ment result for a fixed frequency measurement Requires a frequency list measure ment to have been performed previously see CONFigure LIST SINGle CONFigure LIST CONTinuous on page 76 or CONFigure FREQ SING1e CONFigure FREQ CONTinuous on page 75 Example CONF LIST SING Configures to run a frequency list measurement in sin
119. ter DAB Satellite 4 5 kHz CFiLter 5 kHz CFiLter 6 kHz CFiLter 6 kHz a 0 2 RRC APCO 8 5 kHz CFiLter ETS300 113 12 5 kHz channels 9 kHz CFiLter AM Radio 10 kHz CFiLter 12 5 kHz CFiLter CDMAone 14 kHz CFiLter ETS300 113 20 kHz channels 15 kHz CFiLter 16 kHz CFiLter ETS300 113 25 kHz channels 18 kHz a 0 35 RRC TETRA 20 kHz CFiLter 21 kHz CFiLter PDC 24 3 kHz a 0 35 RRC IS 136 25 kHz CFiLter 30 kHz CFiLter CDPD CDMAone 50 kHz CFiLter 100 kHz CFiLter 150 kHz CFiLter FM Radio 192 kHz CFiLter PHS 200 kHz CFiLter 300 kHz CFiLter 500 kHz CFiLter J 83 8 VSB DVB USA 1 MHz CFiLter CDMAone 1 228 MHz CFiLter CDMAone ASCII File Export Format Filter Bandwidth Filter Type Application 1 28 MHz a 0 22 RRC 1 5 MHz CFiLter DAB 2 MHz CFiLter 3 MHz CFiLter 3 75 MHz CFiLter 3 84 MHz a 0 22 RRC W CDMA 3GPP 4 096 MHz a 0 22 RRC W CDMA NTT DOCoMo 5 MHz CFiLter 20 MHz CFiLter 28 MHz CFiLter 40 MHz CFiLter 3 9 ASCII File Export Format The data of the file header consist of three columns each separated by a semicolon parameter name numeric value basic unit The data section starts with the keyword Trace lt n gt lt n gt number of stored trace followed by the measured data in one or several columns depending on measurement which are also separated by a semico lon File contents header and data section Description Ty
120. the Documentation 1 2 1 Typographical Conventions The following text markers are used throughout this documentation Convention Description Graphical user interface ele All names of graphical user interface elements on the screen such as ments dialog boxes menus options buttons and softkeys are enclosed by quotation marks KEYS Key names are written in capital letters File names commands File names commands coding samples and screen output are distin program code guished by their font Input Input to be entered by the user is displayed in italics Links Links that you can click are displayed in blue font References References to other parts of the documentation are enclosed by quota tion marks 1 2 2 Conventions for Procedure Descriptions When describing how to operate the instrument several alternative methods may be available to perform the same task In this case the procedure using the touchscreen is described Any elements that can be activated by touching can also be clicked using an additionally connected mouse The alternative procedure using the keys on the instrument or the on screen keyboard is only described if it deviates from the standard operating procedures The term select may refer to any of the described methods i e using a finger on the touchscreen a mouse pointer in the display or a key on the instrument or on a key board How to Use the Help System
121. up gt Set the following parameters a IF intermediate frequency 100 MHz b RF input frequency 400 MHz c LO local oscillator frequency 500 MHz d image image frequency 600 MHz CH 4 pee de KA AS ORK gt Kx IF RF LO Image freq gt If a DUT which equally converts the useful signal and the image to the IF frequency is measured using the conventional y factor method or with the 2nd stage correction switched on a measuring error of 3 dB is produced The noise figure is displayed 3 dB lower and the gain 3 dB higher The following examples help to configure the test setup in order to measure the actual values 4 2 2 1 Frequency Converting Measurements Measurement on a single sideband mixer E IF RF LO pa In general a single sideband mixer with a very high image rejection causes very few problems The measurement is analogous to an amplifier In this case set the image rejection in the Frequency Settings dialog box to a large value e g 999 99 dB 4 2 2 2 Measurement on a mixer without sideband suppression b 4 5 KA AA AS OS IF RF LO If the input and image frequencies are converted with the same application an error of 3 dB occurs in the measurement results if the image rejection is not taken into account In this case set the image rejection in the Frequency Settings dialog box to a small value e g 0 0 dB 4 2 2 3 Measurement on a mixer with an averag
122. verview The overall measurement settings used to obtain the current measurement results are displayed in the diagram header at the top of the display see figure 3 1 The following settings are listed Setting Defined in dialog box Description Auto Level Measurement Set tings Enable Disable automatic reference level Ref Level Measurement Set tings Set reference level Full Scale Lvl Measurement Set tings Level that corresponds to an IQ sample with the magnitude 1 for digital input only Sample Rate Measurement Set tings Input sample rate from the IQ signal source for digital input only Att Measurement Set tings Set RF attenuation Preamplifier Measurement Set tings Enable disable preamplifier RBW Measurement Set tings Set RBW SWT Measurement Set tings Set sweep time AVG Measurement Set tings Set number of measurement sweeps over which the average is taken Noise Source ENR Settings Set constant ENR or ENR table Serial Nr ENR Settings Reserved for serial number of the noise source currently not available 3 4 Result Displays Setting Defined in dialog Description box ENR Const ENR Settings Set ENR value dB refers to the receive frequency RF 2nd Stage Corr Measurement Set Enable disable 2nd Stage Correction tings Mode Frequency Setting
123. ware Update 58 L R amp S SUPPO EE 58 EDICION aieeaa i mer eee me aren cere rete E e 58 Input AC DC Toggles the RF input of the R amp S FSVR between AC and DC coupling This function is not available for input from the R amp S Digital UO Interface option R amp S FSV B17 Remote command INPut COUPling on page 87 EXIQ Opens a configuration dialog box for an optionally connected R amp S EX IQ BOX and a submenu to access the main settings quickly Note The EX IQ Box functionality is not supported for R amp S FSVR models 1321 3008Kxx If the optional R amp S DiglConf software is installed the submenu consists only of one key to access the software Note that R amp S DiglConf requires a USB connection not LAN from the R amp S FSVR to the R amp S EX IQ BOX in addition to the R amp S Dig ital UO Interface connection R amp S DiglConf version 2 10 or higher is required For typical applications of the R amp S EX IQ BOX see also the description of the R amp S Digital 1 Q Interface R amp S FSV B17 in the base unit manual For details on configuration see the R amp S Ex UO Box External Signal Interface Mod ule Manual For details on installation and operation of the R amp S DiglConf software see the R amp S EX IQ BOX Digital Interface Module R SODiglConf Software Operating Man ual TX Settings EXIQ Opens the EX IQ BOX Settings dialog box to configure the R amp S FSVR for digital out put to a connected device
124. zer Settings Meas Settings Under Analyzer Settings the general settings for the spectrum analyzer concerning the level attenuation and bandwidth of the signal to be measured are defined RBW lt Analyzer Settings Meas Settings Specifies the resolution bandwidth for the measurement A large value improves the averaging of the display considerably reduces the influ ence of external sources of interference and permits the fastest measurement time possible Softkeys and Settings of the Noise Menu R amp S FSV K30 A low value should only be used across a very small frequency range For measure ments at low frequencies the RBW must be reduced to prevent the LO frequency of the analyzer from invalidating the measurement At receive frequencies of 100 kHz the RBW must not exceed 10 kHz Remote command SENSe BANDwidth BWIDth RESolution on page 97 Sweep Time lt Analyzer Settings Meas Settings Specifies the time one complete measurement sweep takes Two sweeps are per formed for each measurement step once with noise source on once with noise source off For narrow bandwidths the sweep time should be increased in order to give accurate measurement results Remote command SENSe SWEep TIME on page 101 Settling Time Analyzer Settings Meas Settings Specifies the time the DUT takes to settle after a noise source has been turned on or off Most noise sources generate an interfering

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