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TA320 Time Interval Analyzer User's Manual

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1. Unit mm Rear view e id e e e e p gt ES e 13 213 15 350 27 i E O E S c5 a eo 2 i TER o Ck 9 tom tomy r px exili a JIS rack mount dimensions 480 1 sj Mount surface for rack mounting 20 p 460 1 E K e Ln 2 a e oo e 3M o 8 d e ur C N a 485 1 Mount surface for rack mounting a 20 462 1 e e o 149 03 100 02 4 073 0000000 Ke 0100000 Ms CO 68 mi 6 6 O00 wo sens a O EIA rack mount dimensions 480 1 Mount surface for rack mounting 20 t 460 1 E e Q J 5 N i eo 8 8 om o ur CL g eo N 485 1 Mount surface for rack mounting 20 p 463 1 i e e U ic
2. oon on co oo Oeo L3 an an an C3C3 Oo 20 00 gO a onbpenonosose i9 Input channel Start OUTPUT 5MHz Setting the instruments TA320 None e 5370B Function Frequency Gating time 0 01 s Sample size 1 Statistics MEAN Input channel Start DC coupling 1 50 Q trigger level PRESET slope FREQ STD EXT 5065A None Adjustment method Wait for 30 minutes after the TA320 is turned ON Turn the REF ADJUST provided on the rear panel of the TA320 to make sure that the reading of the frequency counter is within the following range 9 999990 MHz to 10 000010 MHz 10 MHz 10 Hz within 1 ppm 11 8 IM 704210 01E 11 6 Carrying out the Performance Test N CAUTION Never apply a voltage exceeding the maximum input voltage to the input terminals of the instruments Damage to the input terminals may result Never short circuit the output terminals of the instruments or apply an external voltage to them Damage to the internal circuits may result Testing the Trigger Voltage Accuracy Instruments required Prepare the following instruments DC voltage generator Voltage accuracy 1 mV or better Recommended instrument Programmable DC voltage current source 7651 by Yokogawa Test method for trigger voltage accuracy using the above reco
3. Standard deviation o is displayed in bar graph s SIGMA 7 5ns Bar graph range maximum value Statistics values during histogram display The statistical computation area and items two items are displayed while a histogram is displayed It is possible to select statistical computation items to be displayed Time stamp mode Selects statistical computation items to be displayed This menu is displayed when the STAT touch key located at the bottom of the screen is pressed Statistical computation area The entire window is used for statistical computation in this example MARKER will be displayed if the area enclosed by the markers is Selected statistical used for statistical computation computation items P Hardware histogram mode Selects statistical computation items to be displayed This menu is displayed when the STAT touch key located at the bottom of the screen is pressed Statistical computation area The area enclosed by the markers is used for statistical computation in this example WINDOW will be displayed if the entire window is used for Selected statistical computation items statistical computation Touch key is a key displayed on the LCD Touching it with your finger will execute a certain operation IM 704210 01E 1 7 Other Functions External Signal Input Output Rear Panel For operating procedure refer to 10 2
4. sss 5 9 Slope time interval measurement seen 5 5 Sound touch key eee 1 17 10 12 Space between the center values of X axis 1 12 7 8 Spark Of X axis a see e eee reri den 1 12 7 3 7 15 Spa OE Y AXIS oec Ta E E HE ISTA I eaxdd 1 13 Span X axis Jeront snina AEAEE HERE elg 1 12 7 3 7 15 Span Y axiS seereis rie Tenere diana 1 13 7 15 KIC Suite OIN ET 2 chapter 12 Standard acCeSsOry ete eee ette riter EEEE 3 Standard deviation 1 eet rera rac pota Eo Poe aola ard 1 6 1 7 START o Seui eec npe n e a e RE raton 4 1 RICE ONU 1 6 1 14 7 19 to 7 22 12 6 Stati StiC Lecce REN MEN Ed 1 6 1 14 7 19 to 7 22 12 6 Statistical computation area eese 1 6 Statistical computation item sese 1 6 7 20 StAtUs Messages Rm 11 2 IM 704210 01E Index 3 xepul
5. 10MHz 1Vp p 10MHz 1Vp p 502 502 TTL CHL 3S resetting method GP IB IEEE488 0 Power cord connector A The power cord is connected to this connector See 3 3 A 100 240V AC A 125VA MAX 50 60Hz Name plate fain Refer to this name plate when checking the contents of the package See page 2 L Vent holes WARNING plate A Safety Precautions See page 4 Usage Precautions See 3 1 GP IB connector Used to connect the instrument to an external device e g personal computer Refer to the GP IB Interface User s Manual IM704210 12E IM 704210 01E 3 1 Usage Precautions Safety precautions Handling Precautions Be sure to read through the safety precautions given on page 4 of this manual before starting to use the instrument Never remove the instrument s casing The unit contains extremely hazardous high voltage components Consult your nearest Yokogawa representative see listing on rear cover if the instrument requires maintenance or adjustment f the instrument emits smoke or unusual odors or in any way behaves abnormally immediately turn OFF th
6. eeseeeeeeenere 3 4 12 9 Maximum sample size eene 1 2 12 1 Maximuin v lte sierici re eer eer ge crei 1 6 1 7 Maximum value of Y axis eeeeeeeeeeeeeee 1 12 7 3 Meum eae s Riles seca tsi e ice o a a e NET 1 6 1 7 Measurement block eese ener 1 8 Measurement function eene 1 3 1 4 12 2 12 3 Measurement indicator arrisera t es iaia 2 1 Measurement input terminal eee 2 1 Measurement items AUTEIRUE Minin Value estt exe Re RR EOE Model eee e d M e ERR ERREUR 2 Model hera IS OR NER INR RE UNIS MEDI IE RATEN 2 Monitor output sese 1 1 1 16 2 2 10 7 Mitt Sw ROGO eere aveces ae e HE Nec or 1 12 7 5 to 7 8 N Page Name plate eset ne iieri te eee dee eee teens 2 Negative Side 21e e eee a T a eren 1 4 Notations and Symbols used in this Manual sse 6 NOE A 6 Number of events ise e eti ce ei eed 1 10 6 3 6 4 Number of samples 1 8 O Page 1 block measur ment au ee eet ye 1 8 ONJ OEE deret ue HH RETRO 3 5 Operation key eene dece ei en e ar pere du 2 1 Output position plotter cairear nirani ad 10 3 Output size plottet edere reete pedites 10 3 Output terminal rtt ei e ets 2 2 P Page Panorama ee en PERI e eee 1 13 7 9 7 10 Panorama area coo t aea n a eH vn ae aged 7 10 Paperisize plotter eee t ee NIE 10 3 Parameter display 4 rettet en
7. Setting the communication parameters This instrument When the EXEC touch key is pressed to send the screen image data to the plotter the instrument will be switched to talk only mode automatically It is not possible to switch the instrument to talk only mode using front panel keys Plotter Switch the plotter to listen only mode Note 2 oo Outputting to the plotter is not possible during measurement For a description of the GP IB interface refer to the GP IB Interface User s Manual IM704210 12E Selecting the paper size The following paper sizes are available Select the desired paper size Selected Paper Size Output Size Output Position A3 A3 Center o A4 A4 Center a A5 Upper A5 Upper half A4 Q A5 Lower AS Lower half A4 ri S WYOKOGAWA 1896 06 21 14 01 n q S 2 r s SINGLE ist o to os _800ns GA 1Mo DC COUPLE MANUAL TAIG End 1M For details refer to 9 5 Dc COUPLE 4 MANUAL TRIG i bie oov of E EOS PT MIN int 10ns 1 0008us c 10ns AUTO ARMING lt a 990 2ns Yt O DELAY OFF f x2 1 0102us Y2 o PS M WINDOW N 10000 INHIBIT OFF AVE 1 00018009us sais a 0 27371ns qd d IM 704210 01E 10 3 10 1 Outputting Data to a Plotter Selecting the pen speed Select the desired pen speed from the following NORM Draws the screen image at the plotter s default speed SLOW Draws the screen image at 10 cm s
8. nie ror eee ee retraso eee sai PU ede P eve eoe Ere ERE e ETT E e eue p ree E EINE ae ees 1 16 Numeric Value Setting Contrast Touch key Sound Error Logging Self test seen 1 17 Name and Use of Each Part Front Pare ER 2 1 Rear Panel onuren 2 2 Before Starting Measurement Usage Precautions Installing the Instrument Connecting the Power Cord E r e a A r a ara Aaa e EERE Ea Oeae eae a Ae iah 3 4 Turning the Power Switch ON OFE eite e A EE cat EEEREN E EERE 3 5 Connecting the Cables Brobes 5 2 5 aiipecsseveeccn Gr NEED ERER RTT IER AE EEA AR R 3 6 Compensating a Probe Carrying Out Phase Correction esee ener 3 7 Setting the Date and TIME Jeep eire re e ere LR REG FEE Elo e e eaten bo 3 9 IM 704210 01E Contents Chapter 4 Common Operations 4 1 Starting Stopping Acquisition of a Measuring Input Signal oo eee seen 4 1 42 Setting Numerical Values ct Gavel e eret le o Sa aoa Ry Saas Ma abe aeons evaluat 4 2 Chapter 5 Setting the Sampling Mode and Measurement Function Item 5 1 Selecting the Samplin s Mode ete tote e rre e t e edt idc 5 1 5 2 S tting Period Measurement neg ane REOR nad Ar A e te ARNE 5 2 5 3 Setting Time Interval Measurement Ere t RC S db EE eed erbe tdeo 5 4 5 4 Setting Pulse Width Measurement eese eseeeeeeeeeeeee tenente A tnnt nete tne tne tetn
9. 5 6 IM 704210 01E 5 4 Setting Pulse Width Measurement Explanation Measurement range Measurement range varies according to the selected sampling mode Time stamp mode 30 ns to 100 ms Hardware histogram mode 30 ns to 3 2 us Selecting the channel to be used for measurement Select either CHA or CHB Selecting the polarity Select the desired polarity from the following _ Measures the positive pulse width i e time from a rising edge to the next falling edge Measures the negative pulse width i e time from a falling edge to the next rising edge jej Measures both positive and negative pulse widths The positive and negative measured data can be displayed individually using the calculation menu of histogram display mode 22T If PW the total time of a few continuous periods is within a range of 22T 0 5T PW will be measured This measurement can be selected only when time stamp mode has been selected Constant T specified in 7 7 will be used as T FL Te Measured Measured Measured Measured FE M T lt gt Pe Measured Measured Measured Measured lt gt lt gt lt gt lt gt m 22T Measured when Not measured when Measured when within 22T 0 5T notwithin 22T 0 5T within 22T O 5T lt gt lt gt gt wi9 uonounJ 1ueureunseojy pue spoyy Huljdwes eui 6unies a IM 704210 01E 5 7 5 5 Sett
10. sessi etnies 1 4 Computation 224 m tede eaten ee ee ee ae ee Se eee 1 5 Readout Function oam i Rr o RERR e Ea Ioa e RCNH Y doe Rede ROTE ERE tie RUE OR EUER a AAEE E 1 5 Calculation Statistical Computation Items sss te tenerent trennen tenente nente tenen 1 6 Setting the Acquisition Conditions for Input Signal to be Measured sese 1 8 Input Coupling Input Impedance Measurement Block sssssssssessseseseseeerenntnene tenete etenntne tenente 1 8 Trigger Mode Trigger Level Gate ttti partt o pete EE EEEE EAEE EVEN E AE 1 9 Sample Size Number of Events Sampling Interval Arming Arming Delay eene 1 10 nic P P 1 11 Displaying the Measured Computed Data eese netten eterne enne nne tenentes 1 12 Histogram Display Multi windOw ced nA RR ERE ERUIT RENE ARES UR Nee UR Yee eo eene ees 1 12 Panorama Display Histogram Data Addition Time Variation Display eccsceseecescessesceecseeseeeeeeseeeeseeaeeseeecaeeaeeaeeeeaeeees 1 13 List Display Statistics Display eene te REN eere eae PEN ENG NN IER RESET DEW ER RUN EEEE E vede tn 1 14 Other Functions External Signal Input Output Rear Panel Communications Storing and Recalling of Set up Information Saving and Loading Data from a Floppy Disk Auto Loading of Set up Information Plotter Output Initialization of Set up Information Calibrauon
11. 39 49 59 16 20 30 40 50 60 Display test Display example IM 704210 01E 11 7 eoueuojure y pue unoouse qnoJ Ei 11 5 Adjusting the Time Base N CAUTION Never apply a voltage exceeding the maximum input voltage to the input terminals of the instruments Damage to the input terminals may result Never short circuit the output terminals of the instruments or apply an external voltage to them Damage to the internal circuits may result Instruments required Prepare the following instruments Standard frequency generator Frequency accuracy 0 1 ppm or better Recommended instrument 5065A by HP Frequency counter Frequency resolution 1 Hz or better Recommended instrument 5370B by HP Adjustment method of time base reference clock using the above recommenced instruments is given below Connecting the instruments Make sure that the power to each instrument is OFF then connect the instruments to each other as illustrated below Connect the output of the standard frequency generator 5065A to the FREQ STD INPUT provided on the rear panel of the frequency counter 5370B and measure the frequency of the signal Connect the REFERENCE OUT provided on the rear panel of the TA320 to the Input channel Start of the frequency counter 5370B TA320 Frequency Counter Standard frequency generator 5370B 5065A FREQ STD INPUT
12. 7 8 IM 704210 01E 7 3 Using the Panorama Display Function For a description of the function refer to 1 6 To exit from the current menu press any of the top menu keys or press the ESC touch key displayed on the screen DISPLAY Top Menu 0 aJ bal 996 67 66 67 59 3 CN DISPLAY M A GATE SIZE 10000 Performs auto scaling MODE H HIST ITUL MIN AUTO SCALE DISP gt FUNCTION mm Displays the display format menu gt DISPLAY SCALE CALCU INPUT LATION Displays the multi window menu UTILITY displayed for hardware histogram mode only 1 Press the DISPLAY key to display the DISPLAY top menu Selecting the histogram display function 2 Select the histogram display function as described in 7 1 Performing auto scaling 3 Perform auto scaling as described in 7 1 Setting the panorama display function 4 Press the WINDOW touch key to display the multi window menu Turning the panorama display function ON OFF 5 Press the PANORAMA touch key to highlight OFF or ON The highlighted option OFF or ON will be selected In this example highlight ON to select it Selecting the panorama area 6 Press the P AREA touch key to highlight P AREA 7 Turn the rotary knob to select the desired panorama area Multi window menu Turns the panorama display function ON OFF PANORAMA orr SJ Displayed only when the panorama display function i
13. For operating procedure refer to 6 2 Sampling Interval Arming Arming Delay The allowable number of measured data items to be acquired into the acquisition memory is called sample size This setting is required if event gate is selected Up to 32 000 events 16 000 events for duty ratio phase difference measurement can be set in the case of time stamp mode and up to 99 999 999 events can be set in the case of hardware histogram mode For operating procedure refer to 6 2 The sampling interval is the interval at which a sample is acquired A sampling pulse see Measurement Block is generated at sampling intervals and measurement is carried out when the input signal satisfies the trigger conditions trigger level slope etc after the sampling pulse The sampling interval can be set between approximately 71 ns reciprocal of the maximum sampling rate 14 MS s and 4 ms in the case of time stamp mode For hardware histogram mode the sampling interval is fixed at approximately 71 ns For operating procedure refer to 6 3 Measurement of a measurement block is started when arming is activated Two arming methods are available auto arming in which measurement starts immediately when the START key is pressed or START communication command is issued and external arming in which measurement starts when the external arming signal is input Auto arming Arming is activated automatically after the START key is pressed or STAR
14. 3 6 Compensating a Probe Carrying Out Phase Correction Items Required The following items are required Calibration signal Frequency 1 kHz Voltage 1 Vp p Waveform type Square waveform Output impedance 1 MQ Recommended signal CAL signal of the DL1540 digital oscilloscope by YOKOGAWA Waveform monitor Frequency characteristic DC to 100 MHz attenuation point 3 dB Input coupling DC Input impedance Connect a 50 Q terminator to the input terminal of the waveform monitor Recommended monitor DL1540 digital oscilloscope by YOKOGAWA 50 Q terminator type 700976 by YOKOGAWA The connecting and operating procedure for the recommended calibration signal and waveform monitor is described below Connecting the Calibration Signal and Waveform Monitor AN CAUTION Never apply a voltage exceeding the maximum input voltage to the input terminals Damage to the input terminals may result Never short circuit the CAL signal output terminal of the DL1540 or the monitor output terminals MONITOR OUT of this instrument Never apply an external voltage to these terminals Damage to the internal circuits may result Make sure that the power to both this instrument and DL1540 is turned OFF then connect them as shown below 1 Use a BNC cable to connect the MONITOR OUT CHA CHB terminal to an input terminal of the DL1540 Connect the BNC connector of the probe to be calibrated to an input termi
15. AA marks so that the user can easily understand which histogram is currently displayed 7 UN oki 2 jus Window 4 5 Panorama bar i lw m i g s gang o Maximum value of Y axis 1 l A Amark Left end value of Right end value of Y axis the panorama bar the panorama bar Window frequency Left end value of X axis Center value of X axis Right end value of X axis negative displacement from Class value of positive displacement the center value of X axis the center class from the center value of X axis Window 1 is displayed in this example 28ns 109 ons 20n Span of X axis 40 ns in this example X axis time Histogram Data Addition For operating procedure refer to 7 4 It is possible to add the histogram of each window specified using the SIZE touch key during multi window setting and display the resulting histogram in a single window The frequency of the bin located at the center value of X axis of each histogram is added and then the frequency of each bin located on the left and right of that bin is similarly added This enables comparison of data distribution between histograms and global statistical computation of all the histograms Histogram for Histogram for Resulting histogram window 1 window 2 Time Variation Display For operating procedure refer to 7 5 During time stamp mode measured values and time stamps are treated as data and acquired in the acquisition m
16. Accu Time Interval Analyzer USER S MANUAL YOKOGAWA 4 Yokogawa Electric Corporation IM 704210 01E 1st Edition Foreword Notices Trademarks Revisions Disk No HF07 1st Edition December 1996 YG Thank you for purchasing the YOKOGAWA TA320 Time Interval Analyzer This user s manual contains useful information about the functions and operating methods of the instrument It also contains precautions that should be observed during use To ensure correct use of the instrument please read this manual thoroughly before operating it Keep the manual in a safe place for quick reference whenever a question arises The following manual is provided with this instrument in addition to this manual Manual Name Manual No Description TA320 GP IB Interface IM704210 12E Describes the communication functions for the GP IB User s Manual interface The contents of this manual are subject to change without prior notice as a result of improvements in the instrument s performance and functions Display contents illustrated in this manual may differ slightly from what actually appears on your screen Every effort has been made in the preparation of this manual to ensure the accuracy of its contents However should you have any questions or find any errors please contact your nearest YOKOGAWA representative as listed on the back cover of this manual Copying or reproduction of all or any part of the contents of this manual with
17. SAMPLE INPUT UTILITY SDA L996 67 66 61 49 FUNC DUTY A GATE SIZE 1990 MODE T STMP ITUL MIN AUTO SCALE GATE EVENT 18 9 SIZE EU 1000 Q IN Displayed only when time stamp mode is selected 8 57 58 0587 8 57 x1 49 5587 Y1 8 x2 50 5587 Y2 1098 bag al STAT ave 59 0542937 FF 6 8 0173477 J Event gate menu 1 Press the SAMPLE key to display the SAMPLE top menu Selecting the gate type 2 Press the GATE touch key to highlight GATE 3 Turn the rotary knob to select the desired gate type Setting the sample size number of events required if EVENT gate type is selected at step 3 4 Press the SIZE touch key to highlight SIZE 5 Turn the rotary knob or press the ten key to set the desired number of events Proceed to step 9 Setting the gate time required if TIME gate type is selected at step 3 6 After step 3 press the GATETIME touch key to highlight GATETIME 7 Use the ten key to set the desired gate time After the desired gate time has been set proceed to step 9 Selecting the polarity required if EXTERNAL gate type is selected at step 3 8 After step 3 press the POLARITY touch key to highlight or The highlighted polarity will be selected After the desired polarity has been set proceed to step 9 Selecting the sampling interval 9 Press the INTERVAL touch key to highlight INTERVAL 10 Turn the rotary knob to set the
18. ai oo N ic c e c ese ales ES o o 6 c gt o m EE 6 6 E 6 6 9 eo N Unless otherwise specified tolerance is 3 However tolerance is 0 3 mm when below 10 mm 12 10 IM 704210 01E Index A Page pXenudqe 4 Access indicator cerea ene ee de ente een 2 1 Ll H A 3 Acquisition memory eeeeeeeeereeeeeeeteneeeene rene Adjustment hole reference clock Adjustment timebase sssssesseseeeeeeeneeeneneeeennenne Ambient humidity eese Ambient temperature eseseseeeeeeeererete Alea panOrdtna oe erre reri ee pg eure bp Ex eta eu d Area statistical computation eene PV DIDDAM PE Arming delay einen Arming SOUC siise iere eee beh Auto AMINE hcerka ede sie teeth rient deseos Auto loading measured data sss Auto loading set up information Auto scale eere e ERE DEREN B Page Bar graph standard deviation esses 1 15 Beep sound touch key Refer to touch key sound Bini histo grain eee lr eres 1 7 1 12 Block diagram es BNG cable 2i eR GR C Page Calculation EO 1 6 7 4 Calibration Calibration Carrying the instrument 0 ccceceeeeceeeceeeseeeeeeeeeaeeeeeeeneeeeeeeaees 3 1 Caution plate 5 e ERR EEES 2 2 Caution regarding use of a passive prob
19. by HP Test method for the input sensitivity using the above recommenced instruments is given below Connecting the instruments Make sure that the power to each instrument is OFF then connect the instruments to each other as illustrated below Connect the output of the synthesized signal generator to the input terminal CHA or CHB of the TA320 TA320 REFERENCE IN TA320 mcm 0 00000 Setting the instruments TA320 Synthesized signal generator 8657B REFERENCE OUT Oo oO ooo ooo ooo ooo ooo o000 000 o O nud ooo Imo 000 oO E ono oo OUTPUT Sampling mode Hardware histogram mode Input settings DC coupling 50 Q both CHA and CHB trigger level 0V Function Period A B Gate Event 1000000 Reference External X CENTER X SPAN Input Frequency XCENTER XSPAN 10MHz 100 ns 20 ns 20MHz 50 ns 20 ns 40MHz 25 ns 20 ns 50MHz 20 ns 20 ns Y HIGH 10 8657B Frequency 10MHz 20MHz 40MHz 50MHz Level 360mMVims IM 704210 01E 11 13 o2ueuojure y pue Bunoouse qnoJ E 11 6 Carrying out the Performance Test Testing method Wait for 30 minutes after the TA320 is turned ON Set the frequency of the synthesized signal generator 8657B to the values given in the table below and check that the measured values mean value a
20. falling trigger error trigger level timing error When polarity is 22T 300 ps rms AN x rising trigger error falling trigger error trigger level timing error N indicates the number of edges which have passed during period of 22T Hardware histogram mode e When polarity is f lel 300 ps rms or display resolution whichever larger rising trigger error falling trigger error e When polarity is 9 300 ps rms or display resolution whichever larger rising trigger error falling trigger error trigger level timing error Accuracy xl 300 ps rms trigger level timing error timebase frequency stability x measured pulse width 1 ns systematic error Polarity Can be selected from e l amp J 9 22T 22T can be selected for time stamp mode only Phase Difference Measuring range 0 to 360 deg A to B 71 ns or greater B to A 30 ns or greater time stamp mode only Display resolution 0 01 deg e Measurement resolution C D measured phase difference C Measured A to B interval measured A to B interval resolutionl D Measured CHA period 4 2 x Imeasured A to B interval resolutionl Accuracy E F measured phase difference E Measured A to B interval A to B interval accuracyl F Measured CHA period 4 2 x A to B interval accuracyl Slope Seletable from Af Bt AfTBl ALBf alBl Duty Ratio e Measuring range 0 to 99 999 can be measured with pulse width
21. pee Signal to be measured ER to mE 12 F4 Pug mf nmfQm mm Reference clock Ta Tb Fractional pulse cuc s o 5e Time voltage conversion x Aa kTa i Ab KTp A D A D T N to Ta Tb k A D conversion factor conversion conversion Sampling Mode For operating procedure refer to 5 1 Two sampling modes are available time stamp mode and hardware histogram mode The sampling method acquisition method of measured data and display format display method differ depending on the sampling mode For a detailed description of display format refer to 1 6 Displaying the Measured Computed Data Time stamp mode Measured values and their time stamps i e the time on which measurement is taken are acquired into the acquisition memory and used as time series data The maximum sample size i e the maximum allowable number of data items to be acquired is 32 000 though it varies depending on the measurement function refer to section 1 3 The measured values can be displayed in four formats histogram list measured values and time stamp time variation and statistic values Time stamp is expressed as the elapsed time between that when arming is activated refer to section 1 5 and when measurement for one sample is completed Hardware histogram mode The measured value and its occurrence frequency are acquired into the acquisition memory The maximum sample size i e the maximum allowable number of data items to be acq
22. 12 8 General Specifications eoe nne pad eT b qe 12 9 External Dimensions oen dc it d eR cae d o e E d CP D e ED REA 12 10 IM 704210 01E 1 1 System Configuration and Block Diagram System Configuration Inhibit input External arming input the terminal is shared with external gate input Reference input Monitor output Reference output Block Diagram 10MHz TCXO Reference Clock 10MHz E 10MHz 4 Reference 9 IN Reference OUT Imm Input signal Object to be measured HP GL compatible plotter Hard copy Set up information list Communication suonounJ Personal computer Remote control Data collection analysis gt Saving and loading of data from a floppy disk PLL Clock Generator Ach Monitor OUT e Bch Monitor OUT External Arming Signal EXT ARM IN INHIBIT IN Inhibit Signal Signal Flow Counter amp Data Measuring Controller amp Fractional Pulse Generator Counter amp Data Generator Generator Memory Contoroller Acquisition Memory 1 Memory Contoroller Acquisition Memory 2 LCD amp Touch Panel CPU BUS Acquisition BUS The signal input
23. 5 Press the FORMAT touch key to display the format menu 6 Press the touch key corresponding to the desired format type Formatting the floppy disk 7 Press the EXEC touch key to format the floppy disk Floppy menu Format menu gt FORMAT Displays the format menu a 962048 Free space available on the 720K Selects the format type byte floppy disk is displayed if 200 the floppy disk has already 1 2M been formatted 1 44M 2HD Performs formatting IM 704210 01E 9 2 Formatting a Floppy Disk Explanation Displaying the free space available on the floppy disk If the floppy disk menu is displayed with a MS DOS formatted floppy disk inserted into the floppy disk unit the free space available on the floppy disk will be displayed Selecting the format type Select the desired format type from the following 640K2DD Used to format a 2DD type floppy disk for 640 KB 8 sectors 720K2DD Used to format a 2DD type floppy disk for 720 KB 9 sectors 1 2M2HD Used to format a 2HD type floppy disk for 1 2 MB 8 sectors 1 44M2HD Used to format a 2HD type floppy disk for 1 44 MB 18 sectors Creating directories during formatting The following directories will be created on the floppy disk automatically when the floppy disk is formatted TA WAVE Directory for measured binary data BIN e TA SETUP Directory for set up information TA TEXT Directory for measured text data TEXT TA MISC
24. 8 Turn the rotary knob to select the desired bar graph range Display format menu LIST TIME VAR STATIS TICS Displayed for time stamp mode only Selects the statistics display function Calculation menu e mri 40 ns POLARITY Selects the polarity to be used BVT for display statistical computation Sets the constant T Displayed only when lee is selected for pulse width measurement IM 704210 01E ejeg peinduio2 paunsee y eui BuiAejdsig H 7 7 Selecting the Statistics Display Function and Reading the Statistic Data Explanation Displaying the statistic values The window displaying a histogram or the area enclosed by the markers can be set as the area to be used for statistical computation For details refer to 7 1 Time stamp mode No computation is carried out for jitter 1 o T and jitter 2 MELE so asterisks will be displayed Statistical computation item Statistic value Statistical computation area The entire window is used for statistical computation in this example MARKER will be displayed if the area enclosed by the markers is used for statistical computation No computation is carried out for jitter 1 and jitter 2 Hardware histogram mode A bar graph indicating the standard deviation s is displayed below the list The bar graph range maximum value can be selected see below Statistical computation
25. 888ns 3 2us 8s 3 2us 7 10 IM 704210 01E 7 4 Carrying out Histogram Data Addition For a description of the function refer to 1 6 To exit from the current menu press any of the top menu keys or press the ESC touch key displayed on the screen DISPLAY Top Menu a MODE DEJA 296 07 96 08 21 FUNC PULS A GATE SIZE 19960 MODE H HIST ITUL MIN FUNCTION r Displays the display format menu IST SAM 18 gt F DISPLAY SCALE Displays the X axis Y axis menu SAMPLE 1 5ens 58ns INPUT X1 x Yi 3 X2 2 8 N 9999 UTILITY e ob0uns M9 1 Press the DISPLAY key to display the DISPLAY top menu Selecting multi window 2 Select the multi window as described in 7 2 Select AUTO as the multi window mode Selecting the histogram data addition function 3 Press the DISP touch key to display the display format menu 4 Press the HIST SUM touch key to select the histogram data addition function The screen will return to the DISPLAY top menu when the HIST SUM touch key is pressed Display format menu LIST STATIS TICS HIST Selects the histogram data addition function SUM displayed only when the multi window function is ON IM 704210 01E 7 11 ejeg peinduio2 paunsee y ay BuiAejdsig H 7 4 Carrying out Histogram Data Addition Explanation Setting the Y axis 5 Press the SCALE touch key to displ
26. 9999800 sec Selecting the span of X axis Select from the following 20 40 100 200 400 us 1 2 4 10 20 40 100 200 400 ms 1 2 4 10 20 40 100 200 sec Setting range for the center value of Y axis The setting range varies according to the selected measurement function Period time interval or pulse width measurement 10 ns to 99 9999900 ms Phase difference measurement 15 00 to 345 00 deg Duty ratio measurement 0 500 to 99 50096 Selecting the span of Y axis The span varies according to the selected measurement function Period time interval or pulse width measurement 2 4 10 20 40 100 200 400 ns 1 2 4 10 20 40 100 200 400 us 1 2 4 10 20 40 100 ms Phase difference measurement 30 60 90 180 360 deg Duty ratio measurement 1 5 10 50 100 Setting readout parameters For the setting method for maker display movable range and speed refer to 7 1 The meaning of each value displayed is given below X1 marker X2 marker X1 X axis coordinate of X1 marker time stamp X2 X axis coordinate of X2 marker time stamp AX X2 Xl Y1 Y axis coordinate of X1 marker measured data Y2 Y axis coordinate of X2 marker measured data AY IY2 Yl snzegeg r D 4 D Xxx CNE Note LLL f more than two data exist in the marker position the average value of those data will be displayed f no data exists in the marker position asterisks will be displayed IM 704210 01E 7 15 ejeg peinduio2 pau
27. Center value of X axis Right end value of X axis negative displacement from Class value of positive displacement from the center value of X axis the center class the center value of X axis Span of X axis 2 ns in this example Dod X axis time Histogram displayed when hardware histogram mode is selected and more than two windows are used i e multi window function is ON Refer to Multi window and Panorama Display given in this section For operating procedure refer to 7 2 If data for a measurement block is distributed along more than two center values of X axis more than two histograms will be created Although all the histograms can be displayed within one window it is possible to set more than two windows to allow each histogram to be displayed in its own window This function is called the multi window function Up to 16 windows can be set An example of a window is shown in Panorama Display on the following page Using the multi window function in conjunction with the panorama display function enables the user to recognize easily which histogram is currently displayed 1 12 IM 704210 01E 1 6 Displaying the Measured Computed Data Panorama Display For operating procedure refer to 7 3 A panorama bar is displayed at the top of the screen during hardware histogram mode The panorama bar shows all the histograms of measured data The histogram currently displayed in the window is enclosed by
28. File name A file name is assigned to each screen image data automatically starting with TA000 up to TA1000 sequentially When TA1000 is reached auto saving will be disabled File name extension directory data size and checking the free space available on a floppy disk Refer to 9 5 Note 1 2 Saving is not possible during measurement i e while the START indicator is ON Loading of the screen image data to this instrument is not possible CAUTION Never remove the floppy disk while the access indicator is blinking Failure to do so may damage the magnetic head of the floppy disk drive or destroy the data saved on the floppy disk 9 12 IM 704210 01E 9 7 Deleting Saved Data Procedure To exit from the current menu press any of the top menu keys or press the ESC touch key displayed on the screen UTILITY Top Menu TILITY 1996 67 66 68 46 I UTILITY i A GATE SIZE 100 MODE H HIST ITUL MIN AUTO SCALE gt FUNCTION a FILE Displays the file menu 1 REF gt DISPLAY CLOCK CALI SAMPLE BRATION gt 18 jens 1 0803us 10ns FLOPPY INPUT xi 990 3ns Y1 9 x2 1 80103us Y2 8 NEXT Sanam uui Ero Selects the UTILITY menu m RUE 1 000038us 6 27ins Y 1 Insert a formatted floppy disk into the floppy disk drive 2 Press the UTILITY key to display the UTILITY top menu 3 Press the NEXT touch key to display NEXT 2 3 on the
29. For operating procedure refer to Chapter 8 Up to 10 sets of set up information can be stored in the internal non volatile memory It is also possible to recall the stored set up information to set up the instrument This function is useful when you want to use the set up information repeatedly Saving and Loading Data from a Floppy Disk For operating procedure refer to Chapter 9 The instrument is equipped with a floppy disk drive This enables the user to save set up information and measured data to a floppy disk or load from it whenever it is required In addition it is also possible to save the screen image data in TIFF format This enables the user to import the saved screen image data to a document created by a DTP software application to create a report Auto Loading of Set up Information For operating procedure refer to 9 3 Turning ON the power after a floppy disk containing the set up information is inserted into the floppy disk drive will load the set up information to the instrument automatically This is useful to restore the set up information in the instrument Plotter Output For operating procedure refer to 10 1 Measured data can be output to an external plotter via the GP IB interface Initialization of Set up Information For operating procedure refer to 10 4 The set up information can be reset to the factory settings default settings Calibration For operating procedure refer to 10 5 Calibration of t
30. NO Instrument No When contacting the dealer from which you purchased your instrument please quote the instrument No Note ooo It is recommended that the packing box be kept in a safe place The box can be used when you need to transport the instrument somewhere IM 704210 01E Checking the Contents of the Package Standard Accessories The following standard accessories are supplied with the instrument Make sure that all items are present and undamaged Power cord one of the following power cords is supplied according to the instrument s suffix codes UL CSA standard VDE standard BS standard SAA standard A1006WD A1009WD A1054WD A1024WD Rubber feet 2pcs User s manual 1pc A9088ZM 1pc Communication interface manual 1pc Optional Accessories The following optional accessories are available On receiving these optional accessories make sure that all the items that you ordered have been supplied and that they are undamaged If you have any questions regarding optional accessories or if you wish to place an order contact the dealer from whom you purchased them Part Name Part No Minimum Q ty Remarks 150 MHz passive probe 700996 1 Input impedance 10 MQ Length 1 5 m BNC cable 1m 366924 1 BNC BNC Length 1 m BNC cable 2m 366925 1 BNC BNC Length 2 m Rack mount kit 751533 E3 1 For EIA single mount Rack mount kit 751534 E3 1 For EJA dual mount Rack mount kit 751533 J3 1 For J
31. Outputs Rear Panel Item Specifications External arming input Connector type BNC shared with the external Input coupling DC gating input Input impedance 10 kQ Typical Trigger level TTL level e Maximum input voltage 8 V to 13 V DC ACpeak Minimum pulse width 30 ns Setup time 70 ns in order for the gating signal to be valid it must precede the measurement signal by no less than 70 ns Inhibit input Connector type BNC Input coupling DC Input impedance 10 kQ Typical Trigger level TTL level e Maximum input voltage 8 V to 13 V DC ACpeak Minimum pulse width 30 ns Setup time 70 ns in order for the inhibit signal to be valid it must precede the measurement signal by no less than 70 ns Reference input Connector type BNC Input coupling AC Input impedance 1 kQ min Input frequency range 10 MHz 10 Hz Input voltage level 1 Vp p min Maximum input voltage x10 V Reference output Connector type BNC Output coupling AC Output impedance 50 Q Typical Output frequency 10 MHz Typical Output voltage level 1 Vp p min Monitor output CHA CHB Connector type BNC Output impedance 50 Q Typical Output voltage level 2 Approx 1 4 of the measuring input signal within 5 V Typical values are described in terms of typical of average performance However they cannot be guaranteed 2 Indicates the output
32. Press the CHA CHB touch key to select the desired pattern CHA B or CHA B A The highlighted pattern CHA B or CHA B A will be selected Selecting the slope edge 5 Press the SLOPE touch key to highlight SLOPE 6 Turn the rotary knob to select the desired slope type Measurement function menu PERIOD TIME INTERVAL PHASE PULSE WIDTH DUTY These keys are displayed for time stamp mode only Explanation Measurement range Measurement range varies according to the selected sampling mode and pattern Selects period measurement Time stamp mode CHA B pattern 5 ns to 100 ms CHA B A pattern 30 ns to 100 ms for both A to B and B to A Hardware histogram mode CHA B pattern 5 ns to 3 2 us CHA B A pattern 30 ns to 3 2 us for both A to B and B to A 5 4 IM 704210 01E 5 3 Setting Time Interval Measurement Selecting the pattern Select CHA B or CHA B A CHA B Measures A to B interval CHA B A Measures A to B to A interval It is not possible to distinguish the measured data of A to B from that of B to A Selecting the slope edge Slope edge types which can be selected vary according to the selected pattern CHA B Select the desired slope from the following AT Bf Measures the interval from a rising edge of the CHA signal i e the signal which is input to the CHA to the first rising edge of the CHB signal i e the signal which is input to the CHB
33. SCALE Performs auto scaling DISP gt FUNCTION Displays the display format menu wa kle SCALE Displays the X axis Y axis menu DISPLAY SAMPLE Displays the marker menu gt 18ns 999 9ns 10ns SATIN Displays the calculation menu INPUT 89 9ns Y1 8899us Y2 8 N 108 Displays the multi window menu ns displayed for hardware histogram mode only Refer to 7 2 UTILITY 1 Press the DISPLAY key to display the DISPLAY top menu Selecting the histogram display function 2 3 Press the DISP touch key to display the display format menu Press the HISTOGRAM touch key to select the histogram display function The screen will return to the DISPLAY top menu when the HISTOGRAM touch key is pressed Performing auto scaling 4 Press the AUTO SCALE touch key to perform auto scaling The X axis and Y axis suitable for the input signal will be set automatically to display a histogram The X axis and Y axis can be changed by carrying out steps 5 to 13 If it is not necessary to change the X axis and Y axis scaling proceed to step 14 Display format menu Selects the histogram display function k Displayed only when the multi window function is active see 7 2 Displayed during time stamp mode only IM 704210 01E 7 1 ejeg pandwog pansea n ay BuiAejdsig H 7 1 Setting the Histogram Displ
34. X axis coordinate of the X1 marker 7 Next move the X2 marker to the highest frequency position of the second histogram from the left by turning the rotary knob read the X axis coordinate of the X2 marker then read and record the displacement from the X1 marker 8 Press the ESC touch key to return to the DISPLAY top menu IaESJAMI996 07 06 07 5 FUNC PULS A GATE SIZ MODE H HIST ITU AUTO SCALE X axis coordinate of the X1 marker X axis coordinate of the X2 marker cm X1 MARKER e X2 MARKER ES IM 704210 01E 7 5 ejeg pandwog painse n ay BurAerdsia H 7 2 Using the Multi window Function Setting the multi window function 9 Press the WINDOW touch key of the DISPLAY top menu to display the multi window menu Selecting multi window 10 Press the SINGLE MULTI touch key to highlight MULTI The MODE and SIZE touch keys will appear Selecting the multi window mode 11 Press the MODE touch key to highlight AUTO or MAN The highlighted mode AUTO or MAN will be selected Selecting the window size number of windows 12 Press the SIZE touch key to highlight SIZE 13 Turn the rotary knob to set the desired window size Returning to the DISPLAY top menu 14 Press the ESC touch key to return to the DISPLAY top menu Multi window menu DISPLAY 1996 67 66 68 66 ESC FUHC PULS A GATE SIZE 16666 MODE H HIST ITUL MIN WINDOW 1 Selects the multi window function Selects th
35. and 10 3 The following input and output terminals BNC are provided on the rear panel to communicate with external devices For location of each terminal refer to 2 2 Rear Panel Reference input terminal REFERENCE IN Although the instrument has an internal reference clock to be used for measurements it is possible to input an external signal 10 MHz to this terminal and use it as the reference clock Reference output terminal REFERENCE OUT The internal reference clock or external reference clock can be sent through a 10 MHz band pass filter and then output from this terminal Monitor output terminals MONITOR OUT CHA CHB Signals input to the input terminals can be output directly from these terminals They can be used for observation of a waveform during phase correction of a probe External arming input inhibit input terminals EXT ARM IN INHIBIT IN These signals are used to control measurement functions of the instrument For the function of external arming or inhibit signal refer to 1 5 Setting the Acquisition Conditions for Input Signal to be Measured Communications Refer to the GP IB Interface User s Manual IM704210 12E The instrument is equipped with a GP IB interface as a standard feature Use of this interface enables transmission of measured data to a personal computer to analyze it and enables control of this instrument using an external controller Storing and Recalling of Set up Information
36. are also given Chapter3 Before Starting Measurement Describes usage precautions how to install the instrument connect the power cord turn the power switch ON OFF connect a probe and set the date and time Chapter4 Common Operations Describes how to start and stop acquisition of a measuring input signal and set a numerical value using the ten key Chapter5 Setting the Sampling Mode and Measurement Function Item Describes how to set the sampling mode and measurement function item Chapter6 Setting the Acquisition Conditions for Input Signal to be Measured Describes how to set the acquisition conditions for the input signal to be measured including input coupling input impedance trigger mode and trigger level gate type sample size and sampling interval arming source slope delay types and inhibit Chapter7 Displaying the Measured Computed Data Describes how to display a histogram time variation list of measured data and statistic values and how to set multi window panorama display and histogram data addition functions Chapters Storing and Recalling the Set up Information from the Internal Memory Describes how to store the set up information to the internal memory and how to recall the stored set up information and change it Chapter9 Saving and Loading the Data from a Floppy Disk Describes how to save data such as set up information measured computed results and screen image to a floppy disk load the saved data format a f
37. axis Y axis menu IRD bal 96 07 06 68 6 8 FUNC PULS A GATE SIZE MODE H HIST ITUL Camous 1 7 6 IM 704210 01E 7 2 Using the Multi window Function Explanation Observing other windows 24 Press the WINDOW selection touch key WINDOW 1 in the example given on page 7 6 displayed at the upper left corner to highlight WINDOW 25 Turn the rotary knob to select the desired window Up to the window size i e number of windows specified at steps 12 and 13 can be selected The X axis Y axis menu varies according to the multi window mode selected at step 11 For details refer to Explanation given on this page Preparation before using the multi window function If more than two histograms exist and the distribution range of each histogram is not known turn OFF the multi window function and perform auto scaling The multi window function can be turned OFF as described below Turning OFF the multi window function Press the SINGLE MULTI touch key to highlight SINGLE The MODE and SIZE touch keys will disappear indicating that the multi window function has been turned OFF Marker positions X1 and X2 markers were recorded at steps 6 and 7 They are referred to when determining the X axis for multi window Turn ON the multi window function and re sets the X axis and Y axis as described at step 23 so that the histogram can be observed clearly and easily Setting the multi window function The multi wi
38. by mistake CAUTION Never remove the floppy disk while the access indicator is blinking Failure to do so may damage the magnetic head of the floppy disk drive or destroy the data saved on the floppy disk 9 14 IM 704210 01E 10 1 Outputting Data to a Plotter For a description of the function refer to 1 7 Procedure To exit from the current menu press any of the top menu keys COPY menu COPY 298 97 799 88 5 8 FUNC PERI A GATE SIZE MODE H HIST ITUL AUTO SCALE pus Selects the plotter Performs output to the plotter 1 Connect the plotter to the instrument For details refer to Explanation in this section Setting the plotter as destination 2 Press the COPY key to display the COPY menu 3 Press the FLOPPY PLOTTER touch key to highlight PLOTTER The PLOTTER PARAM touch key will be displayed Setting the plotter parameters 4 Press the PLOTTER PARAM touch key to display the plotter parameter menu suonoung 13410 Puis Hi IM 704210 01E 10 1 10 1 Outputting Data to a Plotter Selecting the paper size 5 Press the PAPER touch size to highlight PAPER 6 Turn the rotary knob to select the desired paper size Selecting the pen speed 7 Press the SPEED touch key to highlight NORM or LOW The highlighted speed will be selected Selecting the pen mode 8 Press the PENMODE touch key to highlight AUTO or MAN The highlighted mode will be selected If AUTO is selecte
39. bytes Checking the free space available on a floppy disk Refer to 9 2 Entering the file name Refer to 9 3 Note 00 000000 Loading and saving are not possible during measurement i e while the START indicator is ON Loading of measurement results text format and statistical computation results to this instrument is not possible If measurement results are loaded the set up information accompanying the loaded measurement results will be used as the set up information If the extension of a file name is changed using a personal computer etc it will be impossible to load that file CAUTION Never remove the floppy disk while the access indicator is blinking Failure to do so may damage the magnetic head of the floppy disk drive or destroy the data saved on the floppy disk IM 704210 01E 9 9 xsig ddoj4 e wo ejeg eui Buipeo pue Bulaes e 9 5 Saving the Screen Image Data To exit from the current menu press any of the top menu keys or press the ESC touch key displayed on the screen UTILITY Top Menu VWilguidd996 07 06 68 46 FUNC PERI A GATE SIZE 166 MODE HIST ITU IN MODE LM FUNCTION FILE Displays the file menu 1 REF gt DISPLAY CLOCK CALI SAMPLE BRATION gt 10 ions 1 80003us 180ns FLOPPY INPUT x1 990 3ns Y1 8 x2 1 60183us a 108 NEXT DOU i endasiua 273 Selects the UTILITY menu Bip 8 27
40. description of the function refer to 1 3 To exit from the current menu press any of the top menu keys or press the ESC touch key displayed on the screen FUNCTION Top Menu MODE ZI TTWI 1996 07 06 81 41 FUNC PULS A GATE SIZE 1998 MODE T STMP ITUL MIN AUTO SCALE FUNCTION WIDTH Displays the measurement function menu 16 DISPLAY Oey CHB Selects the channel to be used for measurement POLARITY x e Selects a polarity SAMPLE 18ns 588 6ns 18ns INPUT xi 498 6ns Y1 a X2 510 6nS 2 1608 STAT ave 500 6972ns UTILITY 6 2484ns 1 Press the FUNCTION key to display the FUNCTION top menu Selecting pulse width measurement 2 Press the FUNC touch key to display the measurement function menu 3 Press the PULSEWIDTH touch key to select pulse width measurement The screen will return to the FUNCTION top menu when the PULSEWIDTH touch key is pressed Selecting the channel to be used for measurement 4 Press the CHA CHB touch key to select the desired channel CHA or CHB The highlighted channel CHA or CHB will be selected Selecting the polarity 5 Press the POLARITY touch key to highlight POLARITY 6 Turn the rotary knob to select the desired polarity Measurement function menu PERIOD TIME INTERVAL r PHASE PULSE WIDTH DUTY These keys are displayed for time stamp mode only Selects pulse width measurement
41. edge of the signal input to channel B and the subsequent edge of the signal input to channel A are measured For a description of combinations of slopes refer to 5 3 Setting Time Interval Measurement Example All three edges rise afefaf Measured Measured Measured Measured lt c gt lt gt lt IM 704210 01E 1 3 Measurement Functions Measurement Items Pulse Width For operating procedure refer to 5 4 The time between a rising or falling edge and the next falling or rising edge of the input signal is measured For selection of combinations of polarity refer to 5 4 Setting Pulse Width Measurement A special combination of polarity in which a time constant T see section 1 4 is specified to carry out measurement only when the period of the pulse is within the specified time range 22T 0 5T This combination is called 22T For measurement of pulse width channel A or B can be selected Example positive rising to falling zu Measured Measured Measured Measured lt lt gt C gt lt 9 CH A 1 f f 1 CHB Example 22T E Measured when Not measured when Measured when within 22T 0 5T not within 22T x0 5T within 22T 0 5T Phase Difference sFor operating procedure refer to 5 5 The time between an edge of the signal input to channel A and an edge of the signal input to channel B is measured and the measured value is then expressed in phase difference deg in
42. etn tnet nete tne AGTE 5 6 5 5 Setting Phase Difference Measurement essere nennen ener R E e e 5 8 5 6 Setting Duty Ratio Measurement eeeseseeeeeeeeeeneene tenentem tntnet nennen tne tette tete nete tne ierst Eie rE enne 5 10 Chapter 6 Setting the Acquisition Conditions for Input Signal to be Measured N 6 1 Setting the Input Coupling Input Impedance Trigger Mode and Trigger Level N 62 Setting the Gate Type Sample Size and Sampling Interval c csccsccsssssssssesseessecsesssessecsecssecsecsucssecsecasecsecsseans N 63 Setting the Arming Source Slope and Delay Types ssssseeeeeeeeeenene tentent A 64 Setting the Inhibit E nctiomn tnit re ete tree dei ate lee i e eb ee beide Chapter 7 Displaying the Measured Computed Data 7 1 Setting the Histogram Display Function and Reading the Data Readout see 7 1 7 2 Using the Multi window Function enirir or pona oE EE iai terne tt bne tenente tne A R 7 5 7 3 Using the Panorama Display Function essere trennen nere tenete nenne tr enitn trennen 7 9 7 4 Carrying out Histogram Data Addition sse netnenntnetne nennen trennen tne 7 11 7 5 Setting the Time Variation Display Function and Reading the Data Readout esses 7 13 7 6 Selecting the List Display Function and Displaying the Data essere 7 7 Selecting the Statistics Display Function
43. for hardware histogram mode Scale X axis and Y axis of histogram X CENTER center value of X axis setting range 10 ns to 3 19 us X SPAN span of X axis Can be selected from 2 4 10 20 40 100 200 400 ns 1 2 and 3 2 us W SPACE space between the center values of X axis 0 to 250 ns AUTO multi window mode only Y AXIS Y axis scale Can be selected from LIN linear scale and LOG logarithmic scale Y HIGH maximum value of Y axis LIN Can be selected from 10 20 40 100 200 400 1000 2000 4000 10000 20000 and 40000 10 10 10 and 108 LOG Can be selected from 10 10 10 104 10 10 107 and 108 Readout Markers can be used to read measured values present in the area enclosed by the two markers Calculation AREA Used to select the area to be used for statistical computation from WINDOW and MARKER CONST T Used to set the constant T for statistical computation and pulse width measurement Setting range 10 to 999 9 ns Multi window Enables data analysis for more than two histograms Multi window function can be turned ON and OFF Configurable number of windows window size 1 to 16 Multi window mode Can be set from AUTO and MAN Panorama display Enables the user to observe the overall view of histograms Panorama display can be turned ON and OFF Selection panorama area The range of 0 to 3 2 us can be divided into 4 sections Histogram data addition available only
44. histogram span setting 200 whichever larger hardware histogram mode Measurement resolution x300 ps rms 4 2 x trigger error time stamp mode e 300 ps rms or display resolution 4 2 x trigger error 2 whichever larger hardware histogram mode Accuracy 300 ps rms 4 2 x trigger error timebase frequency stability x measured period 300 ps systematic error Slope Can be selected from T and ps Time Interval A to B Interval Measuring range 5 ns to 100 ms time stamp mode 5 ns to 3 2 us hardware histogram mode Display resolution 100 ps time stamp mode 100 ps or histogram span setting 200 whichever larger hardware histogram mode Measurement resolution Time stamp mode Whenslopeis Af Bf AT BL ALBf ALBL 300 ps rms A input trigger error B input trigger error When slope is AtBT atsl 300 ps rms A input trigger error B input trigger error trigger level timing error Hardware histogram mode Whenslopeis Af Bf Af BL ALBT aALBL 300 ps rms or display resolution whichever larger A input trigger error B input trigger error When slope is atsef atsl 300 ps rms or display resolution whichever larger A input trigger error B input trigger error trigger level timing error Accuracy 300 ps rms trigger level timing error timebase frequency stability x measured interval 1 ns systematic error Slope Seletable from Af Bf Af Bl aALBf ALB
45. indicates degree of dispersion in percentage in relation to the average value Oo o AVE 5 x 100 Jitter 1 o T Constant T is used to calculate jitter 1 of the histogram Jitter 1 indicates degree of dispersion in percentage in relation to constant T Oo c T x 100 Jitter 2 MELE Maximum Effect Length Error Constant T is used to calculate jitter 2 of the histogram Xcenter indicates the center value of X axis in the window For details refer to 1 6 Xcenter means the value around which measured values are distributed Jitter 2 indicates deviation of the average value from Xcenter in percentage in relation with constant T AVE Xcenrer ME LE 2 x 100 IM 704210 01E 1 7 1 5 Setting the Acquisition Conditions for Input Signal to be Measured Input Coupling For operating procedure refer to 6 1 When you want to measure only AC components of the input signal or only the signal overlapping with the specified DC voltage measurement can be facilitated if DC components are removed from the signal In other cases you may want to measure all the AC and DC components of the input signal In these cases an appropriate input coupling can be selected The following input coupling methods are available AC coupling The signal is input to the amplifier through a capacitor AC coupling is used to measure only the amplitude of the input signal by removing DC components or measure onl
46. item Statistic value Statistical computation area The area enclosed by the markers is used for statistical computation in this example WINDOW will be displayed if the entire window is used for statistical computation Standard deviation o is displayed 8s SIGMA 7 5ns in bar graph Bar graph range maximum value Nole Lc Statistic values are obtained as a result of computation of data present inside the window or the area enclosed by the markers Asterisks will be displayed instead of static values if no histogram exists inside the window or the area enclosed by the markers Setting constant T Constant T is used for computation of jitter 1 and jitter 2 in the case of hardware histogram mode Setting range 10 to 999 9 ns Note The same constant T is used for both histogram display function see 7 1 and this statistics display function In addition it is also used for pulse width measurement see 5 4 Selecting the polarity to be used for display statistical computation The same menu as the one displayed when fA is selected as the polarity for pulse width measurement is displayed It is also the same menu as the calculation menu displayed in 7 1 Select the desired polarity from the following to be used for statistical computation j Performs statistical computation for the positive side only 4 Performs statistical computation for the negati
47. level when the output is received by input impedance of 50 Q suoneoyiooeds IM 704210 01E 12 7 12 6 GP IB Interface Item Specifications Interface GP IB Electrical and mechanical specifications Conforms to IEEE Standard 488 1978 Functional specifications SHI AHI T5 L4 SR1 RL1 PPO DC1 DTO CO Protocol Conforms IEEE Standard 488 1978 Code ISO ASCID code Mode Addressable mode talk only mode Address setting 0 to 30 Remote mode clear Remote mode can be cleared by pressing the LOCAL key on the front panel However this is not possible if Local Lockout has been set by the controller Plotter output Outputs the screen image data 12 7 Time Base Item Specifications Internal reference frequency clock 10 MHz temperature compensated crystal oscillator Frequency stability Aging rate 1 5 ppm year Temperature characteristics 2 5 ppm over 5 to 40 C with 25 C as the reference External adjustment Available 12 8 Internal Memory Function 10 sets of set up information can be stored in the nonvolatile memory and recalled from it 12 9 Built in Floppy Disk Drive Item Specifications Drive type 3 5 inch floppy disk Number of drives 1 Format type 640 KB 720 KB 1 2 MB 1 44 MB MS DOS compatible 12 8 IM 704210 01E 12 10 General Specifications Item Specifications Standard operating conditions A
48. listed on the rear cover of this manual IM 704210 01E 3 5 3 5 Connecting the Cables Probes Location of Input Terminals The input terminals are located at the lower right of the front panel Use cables with a BNC connector or use probes e CH As cuBa P 500 s 5Vrms 1MQ 40Vpk Input Specifications Connector type BNC Number of channels 2 Input impedance 50 Q 1 MQ 20 pF Typical Maximum input voltage When input impedance is 50 Q 5 Vim When input impedance is 1 MQ 40 V DC ACpeak when DC lt input frequency lt s 100 kHz 3 5 5 V DC ACpeak when 100 KHz lt input frequency lt 100 MHz f indicates frequency in MHz Ground Connected to the case s ground Typical values are described in terms of typical of average performance However they cannot be guaranteed N CAUTION Never apply a voltage exceeding the maximum input voltage to the input terminals Damage to the input terminals may result Note 1 0 When you use a probe with this instrument for the first time its phase must be corrected before use as described in 3 6 Compensating a Probe Carrying Out Phase Correction If the phase is not corrected the gain will not be constant across different frequencies Phase correction must be carried out for each channel 3 6 IM 704210 01E
49. of 71 ns to 100 ms time stamp mode only Display resolution 0 001 or 100 ps period x 100 whichever larger Measurement resolution G H measured duty ratio G Measured pulse width Imeasured pulse width resolutionl H Measured period 4 5 x Imeasured pulse width resolutionl Accuracy J K measured duty ratio J Measured pulse width Ipulse width accuracy K Measured period 4 2 x Ipulse width accuracyl Polarity Can be selected from 9 and J Measured under the reference operating conditions specified in 12 10 General Specifications after elapse of warm up time 2 The trigger error A input trigger error B input trigger error rising trigger error and falling trigger error are represented by the following formula z 2 X Noise of the input amplifier 100 MHz yX E En Noise on the signal being measured SR S R Slew rate of the signal being measured V s 3 The trigger level timing error is represented by the following formula ET 15mV 15mV trigger level setting accuracy trigger level setting accuracy start signal s slew rate stop signal s slew rate start signal s slew rate i stop signals slew rate suoneoyioods IM 704210 01E 12 3 12 3 Gate Arming Inhibit Item Specifications Gating Type Can be selected from EVENT TIME and EXTERNAL Configurable number of events within 320 s following the arming Time stamp mode Peri
50. original position eoueuojure y pue Bunoouse qnoJ IM 704210 01E 11 19 12 1 Measuring Inputs and Trigger Item Specification Number of input channels 2 CHA and CHB Input coupling DC AC Input connector BNC connector Input impedance 50 Q 1 MQ 20 pF typical Frequency characteristic 3 dB DC input coupling DC to 100 MHz typical AC input coupling 680 KHz to 100 MHz typical Input impedance 50 Q 35 Hz to 100 MHz typical Input impedance 1 MQ Internal jitter 300 ps rms Minimum input pulse width 10 ns Operating voltage range 5 V to 5 V Maximum input voltage Input impedance 50 Q 5Vims Input impedance 1 MQ 40 V DC ACpeak DC x input frequency x 100 KHz 3 5 f MHz 5 V DC ACpeak 100 kHz lt input frequency x 100MHz Input sensitivity 100 mVp p Input amplifier noise 400 UVims typical Trigger Trigger mode Can be selected from single auto trigger repeat auto trigger and manual trigger Trigger level Setting range 5 V to 5 V can be set using front panel keys for manual trigger mode Accuracy 10 mV 496 of predetermined value Resolution 5 mV Input signal condition 1 KHz to 50 MHz single auto trigger repeat auto trigger Setpoint time 0 7 s typical 1 single auto trigger repeat auto trigger Sampling Sampling mode Can be select
51. out the Performance Test Testing the Pulse Width Resolution and Minimum Measured Value Instruments required Prepare the following instruments Sy nthesized signal generator Frequency range 10 MHz to 50 MHz or higher Output level 720 mVims or higher Output level accuracy 1 5 dBm or better Recommended instrument 8657B synthesized signal generator by HP Test method for the input sensitivity using the above recommenced instruments is given below Connecting the instruments Make sure that the power to each instrument is OFF then connect the instruments to each other as illustrated below Connect the output of the synthesized signal generator to the input terminal CHA or CHB of the TA320 TA320 Synthesized signal generator 8657B REFERENCE IN TA ERE een REFERENCE OUT I Il Il Oo GO OOo OOO E c 000 ooo 200 Soo gt m m im n ooo oo CHA OUTPUT Setting the instruments TA320 Sampling mode Hardware histogram mode Input settings DC coupling 50 Q both CHA and CHB trigger level OV Function Pulse width A B Gate Event 1000000 Reference External X CENTER X SPAN Input Frequency XCENTER XSPAN 10MHz 50 ns 20 ns 20MHz 25ns 20 ns Y HIGH 106 8657B Frequency 10MHz 20MHz Level 360MV ms IM 704210 01E 11 15
52. relation to the period of the signal input to channel A which is set as 360 degrees This measurement is available only when time stamp mode is selected as the sampling mode For a description of combinations of slopes refer to 5 5 Setting Phase Difference Measurement Example Both channels A and B rise af eT Measuredtp1 Measuredtp2 lt gt lt z i Measuredty Measuredt2 x t t Phase difference 1 deg a x360 Phase difference 2 deg Z x360 1 2 Duty Ratio For operating procedure refer to 5 6 The ratio of the time between a rising or falling edge and the next falling or rising edge in relation to one period of the input signal is measured This measurement is available only when time stamp mode is selected as the sampling mode For measurement of duty ratio channel A or B can be selected Example rising to falling H Measuredtp1 Measuredtp2 lt gt Measuredt1 Measuredt2 m lt gt lt gt e T T CHB t t 1 2 Duty ratio 1 x 100 Duty ratio 2 x 100 1 2 1 4 IM 704210 01E 1 4 Computation Readout Function For operating procedure refer to 7 1 and 7 5 If histogram or time variation display format is selected see 1 6 two markers X1 and X2 will be displayed This enables reading out of the coordinates of each cross point of the markers and the histogram or time variation In addition selecting a calculation are
53. the key Press the CONFIG touch key to display the configuration menu Press the CONTRAST touch key to highlight CONTRAST Turn the rotary knob to set the desired contrast Configuration menu ESC GPIB e iru DATE TIME BEEP OFF 7 ie Gs ie das Sets contrast Contrast setting range 0 to 30 IM 704210 01E 10 11 suonoung 13410 Puis Hi 10 7 Turning the Touch key Sound ON OFF Procedure For a description of the function refer to 1 7 To exit from the current menu press any of the top menu keys UTILITY Top Menu MODE TILITY 1996 67 66 88 49 FUNC PERI A GATE SIZ MODE H HIST ITU e FUNCTION INIT 1 STORE gt DISPLAY RECALL gt s SAMPLE CONFIG Displays the configuration menu 1 SELF gt UF 18ns 1 0003us 18ns TEST x1 998 3ns Y1 8 x2 1 60183us a 108 NEXT LD OU i senaesaue 13 Selects the UTILITY menu aan 8 271ns Press the UTILITY key to display the UTILITY top menu Press the NEXT touch key to display NEXT 1 3 on the key Press the CONFIG touch key to display the configuration menu Press the BEEP touch key to highlight OFF or ON The highlighted option will be selected Configuration menu de o MI BEEP OFF 1 Turns the touch key sound ON OFF Explanation Select from the following OFF Sound is not produced even if a touch key is pressed ON Sou
54. the output is received by input impedance of 50 Q Typical value is described in terms of typical of average performance However they cannot be guaranteed CAUTION Never short circuit the monitor output terminals or apply an external voltage to them Damage to the internal circuits may result IM 704210 01E suonoung 13410 Huis Hi 10 4 Initializing the Set up Information For a description of the function refer to 1 7 Procedure To exit from the current menu press any of the top menu keys UTILITY Top Menu MODE TILITY 1996 67 66 68 44 FUNC PERI A GATE SIZE 180 MODE H HIST ITUL MIN gt FUNCTION INIT Displays the initialize menu 1 STORE gt DISPLAY RECALL gt SAMPLE CONF IG 1 SELF gt Pars 18ns 1 0003us 18ns TEST x1 998 3ns Y1 8 X2 1 0103US v2 108 NEXT MENTE rS 1 3 Selects the UTILITY menu Guru 6 8 271ns 1 Press the UTILITY key to display the UTILITY top menu 2 Press the NEXT touch key to display NEXT 1 3 on the key 3 Press the INIT touch key to display the initialize menu Performing initialization 4 Press the EXEC touch key Canceling initialization 5 After step 3 press the CANCEL touch key Initialize menu Performs initialization CANCEL Cancels initialization 10 8 IM 704210 01E 10 4 Initializing the Set up Information Explanation Default settings The set
55. the rear panel of the instrument 3 Plug the other end of the power cord into a 3 pin AC outlet that meets the following conditions Rated supply voltage 100 to 240 VAC Permitted voltage range 90 to 264 VAC Rated power frequency 50 60 Hz Permitted power frequency range 48 to 63 Hz Maximum power consumption 125 VA 3 pin AC outlet Power cord supplied with the instrument 3 4 IM 704210 01E 3 4 Turning the Power Switch ON OFF Items to be Checked Before Turning ON the Power Check that the instrument is installed correctly as instructed in 3 2 Installing the Instrument Check that the power cord is connected correctly as shown in 3 3 Connecting the Power Cord Location of the Power Switch and Turning it ON OFF The power switch is located at the lower left of the front panel To turn the power ON press the switch once To turn the power OFF press it again Power ON Initialization When the power is turned ON the instrument executes the following initialization checks Panel 1ueuieunseo y Bunes 310439 keys remain disabled during these checks When initialization is completed the display format screen the screen which is displayed when the DISPLAY key is pressed will be displayed e ROM Check Checks the ROM DRAM Check Checks the DRAM Backup Check Checks the calibration data Note Tf the instrument fails to start up as described turn t
56. to enable the user to check the problem before contacting YOKOGAWA This function enables inspection of the memory PC board and display IM 704210 01E suonounj 2 1 Front Panel Top menu keys Displays the corresponding top menu MODE key Displays the sampling mode selection screen See 5 1 FUNCTION key Displays menus for setting selecting the measurement function input channel and slope See chapter 5 DISPLAY key Displays menus for setting selecting the display format window axis markers calculation See chapter 7 SAMPLE key Displays menus for setting selecting the gate sample size sampling interval arming and inhibit See chapters 6 2 6 3 and 6 4 INPUT key Displays menus for setting selecting the input coupling input impedance trigger mode and trigger level See chapter 6 1 UTILITY key Displays menus for setting selecting initialization of set up information storing and recalling of data in the internal memory configuration communication contrast date time touch key sound self test saving and loading of data from a floppy disk reference clock calibration and initialization of a floppy disk Also displays the error logging window and version No ROM version See 3 7 chapters 8 9 and 10 and 11 3 to 11 5 Med U9e3 JO esf pue oweN Touch key r Rotary knob LCD display Press the area enclosed Sets a numerical value moves markers and Touch scr
57. to the input terminal Ach IN Bch IN is converted into a low impedance signal by the input amplifier It is then sent to the comparator where it is converted to a binary signal At the same time the signal from the input amplifier is output as a monitor signal via the output terminal Ach Monitor OUT Bch Monitor OUT The signal multiplexer selects the binary signal according to the selected measurement function item then the signal is input to the measuring controller The measuring controller controls measurement and creates fractional pulse according to the external arming signal and inhibit signal The width of the fractional pulse is measured with a resolution of 100 ps by the T V converter of the time measuring unit 1 2 and then compared with the value on the digital counter to provide measured data With continuous measurement two time measuring units 1 2 are activated alternately In time stamp mode see the following page both measured value and time stamp data elapsed time are acquired in each acquisition memory 1 2 In hardware histogram mode see the following page the frequency of each measured value i e number of the same measured values is acquired in each acquisition memory The acquired data is then sent via the memory controller to a CPU where it is used for statistical computation or displayed on the LCD Either the signal from the internal crystal oscillator compensated against t
58. up information will be set as shown below when initialization is performed Acquisition of measuring signal START Measurement function PERIOD Slop Input impedance 1 MQ Trigger level 0 000 V Number of events 100 External gate polarity Arming source AUTO Arming ready OFF Inhibit OFF Computation area WINDOW Multi window SINGLE Window size 1 Items which cannot be initialized Date time Sampling mode H HIST Measurement channel CHA Input coupling DC Trigger mode MUNUAL Gate type EVENT Gate time 1 000 ms Sampling interval MIN Arming slope 4 Arming delay time 1 000 ms Display format HISTOGRAM Constant T 40 0 ns Multi window mode AUTO Reference clock INTERNAL Set up information stored in the internal Communication address Factory setting 1 Screen contrast Factory setting 15 Touch key sound Factory setting ON Note ooo Measurement computation will be stopped when initialization is started IM 704210 01E 10 9 suonoung 13410 Puis Hi 10 5 Calibrating the Instrument For a description of the function refer to 1 7 Procedure To exit from the current menu press any of the top menu keys UTILITY Top Menu MODE TILITY 1996 87 86 88 5 e FUNC PERI A GATE SIZE 188 MODE H HIST UL MIN FUNCTION 1 DISPLAY CLOCK SAMPLE Di
59. 00 300 400 500 600 700 800 900 1000 2000 3000 4000 5000 6000 7000 8000 9000 10000 20000 30000 Note LLL The number of events to be delayed for the signal which is input to the measuring channel must be selected However for time interval measurement the number of events to be delayed for the signal input to the channel A CHA must be selected IM 704210 01E 6 4 Setting the Inhibit Function For a description of the function refer to 1 5 Procedure To exit from the current menu press any of the top menu keys SAMPLE Top Menu MODE EUR 996 07 06 01 5 1 FUNC DUTY A GATE SIZE MODE T STMP ITUL AUTO SCALE FUNCTION Sn 18 9 SIZE DISPLAY iy 1000 9 SAMPLE IN 6 5 56 658 0 57 INPUT z 6 1666 MIN B 30 3384 Y2 96 cnm INHIBIT A STAT Manne n 1099 Sets the inhibit function UTILITY AVE 58 0542937 6 8 0173477 J 1 Press the SAMPLE key to display the SAMPLE top menu 2 Press the INHIBIT touch key to highlight INHIBIT 3 Turn the rotary knob to select the desired polarity Explanation Selecting the polarity Select the desired polarity from the following The inhibit function is disabled if OFF is selected Inhibits measurement while a positive signal is input to the INHIBIT IN terminal Inhibits measurement while a negative signal is input to the INHIBIT IN terminal Note The inhibit signal is
60. 1 000038us 1 3 8 271ns 1 Press the UTILITY key to display the UTILITY top menu 2 Press the STORE RECALL touch key to display the store recall menu Selecting the memory number 3 Turn the rotary knob to select the desired memory number Recalling the set up information 4 Press the RECALL touch key to recall the set up information from the selected memory Store recall menu Selects the memory number RECALL Recalls the set up information Set up information to be recalled The set up information stored in the desired memory is recalled The current set up information of the instrument will be replaced by the recalled one Selecting the memory number Select the desired memory number from the following 10 numbers Only the memory numbers where set up information exists can be selected 0 to 9 IM 704210 01E 9 1 Points to Note during Use of the Floppy Disk Drive Applicable Floppy Disks The following type of 3 5 inch floppy disk can be used Floppy disks can be formatted using this instrument e 2HD type 1 2 MB or 1 44 MB MS DOS format e 2DDtype 640 KB or 720 KB MS DOS format Inserting a Floppy Disk into the Floppy Disk Drive Place the floppy disk with the label facing upward and insert it into the floppy disk drive Insert it until the eject button pops up Removing the Floppy Disk from the Floppy Disk Drive Make sure that the access indicator is OFF then press the ej
61. 1ns 1 Insert a formatted floppy disk into the floppy disk drive 2 Press the UTILITY key to display the UTILITY top menu 3 Press the NEXT touch key to display NEXT 2 3 on the key Saving the screen image data 4 Press the FILE touch key to display the file menu Selecting the item to be saved 5 Turn the rotary knob to highlight ITEM IMAGE on the ITEM touch key to select the screen image data Setting the file name 6 Referto Setting the file name in 9 3 Performing saving 7 Refer to Performing saving in 9 3 File menu SAVE gt LOAD o ITEM Displays the save load menu Selects the screen image data i IM 704210 01E 9 10 9 5 Saving the Screen Image Data Explanation Saving the screen image data The screen image data will be saved in TIFF format Sampling mode Measurement function Multi window ON OFF Channel A Input impedance channel A Input coupling channel A Trigger mode channel A Trigger level channel A Channel B Input impedance channel B Input coupling channel B Trigger mode channel B Trigger level channel B Gate type Sample size ions Sampling interval Arming source Arming delay type Inhibit ON OFF OI ae L996 67 66 8 14 69 FUNC PERI A GATE SIZE 18888 MODE H HIST ITUL MIN AUTO SCALE A o wor File name extension and directory TIF is attached to the file name and the file is saved in the direct
62. 66 68 42 FUNC PERI A GATE SIZE MODE H HIST ITUL FILE NAME DATE Performs loading Selects the file name Loading the setup information automatically Saving the setup information to be loaded automatically 13 After step 4 press the AUTO SETUP touch key to display the auto setup menu 14 Press the UPDATE touch key to highlight UPDATE 15 Press the EXEC touch key to save the set up information into the auto load file i e the file from which the set up information is to be loaded automatically If set up information already exists in the file it will be updated Loading the setup information automatically 16 Before turning ON the power switch of the instrument insert the floppy disk containing the auto load file into the floppy disk drive 17 Turn ON the power switch An access will be made to the floppy disk automatically and the set up information saved in the auto load file will be loaded to the instrument Loading the setup information when the instrument is already ON 18 After step 13 press the AUTOLOAD touch key to highlight AUTOLOAD 19 Press the EXEC touch key to load the set up information from the auto load file File menu Auto setup menu An iig Loads the setup information when the instrument is already ON e ITEM UPDATE Loads the setup information at SETUP power on or selects updating of the set up information Performs saving or updating Displays t
63. AJ Bw Measures the interval from a rising edge of the CHA signal to the first falling edge of the CHB signal Measures the interval from a falling edge of the CHA signal to the first rising edge of the CHB signal Aw B Measures the interval from a falling edge of the CHA signal to the first falling edge of the CHB signal At Bt Measures the interval from a rising or falling edge of the CHA signal to the first rising edge of the CHB signal It is not possible to distinguish Af Bt from AL Bf At B Measures the interval from a rising or falling edge of the CHA signal to the to the first falling edge of the CHB signal It is not possible to distinguish AT BL from AL BL Note 0 0 0 0 Measurement can be carried out continuously if the period of the CHA signal is 71 ns or more and the interval between an edge of the CHB signal and subsequent edge of the CHA signal is 30 ns or more Example afsf Measurement t2 is not carried out but Measurement t2 is carried out if the measurement t3 is carried out if the period of the CHA signal is 71 ns or more period of the CHA signal is below 71 ns Measured Measured Measured Measured i t t to o B 30 ns or more _______ 30 ns or more 71 ns or more 7i ns or mor CHA B A Select the desired slope from the following A B AT Measures the interval from a rising edge of the CHA signal to the first ri
64. ARD key to display the ten key Press the ten key to enter the desired numerical value To correct the entered numerical value press the lt key Each time the lt key is pressed the value located on the left of the cursor will be deleted and the cursor moves to the left one digit After the unwanted value is deleted use the ten key to enter the correct value After the desired value has been entered press the desired unit key then return touch key see below The ten key will disappear indicating the value has been confirmed 2100000 Setting a numerical value using the rotary knob A numerical value can be entered using the rotary knob if the highlighted touch key indicates a numerical item and a small rotary knob icon is displayed on the left of that highlighted touch key 6 7 Press the arrow keys to move the cursor to the desired digit Turn the rotary knob to select the desired value The selection of the value will be confirmed To correct the entered value carry out steps 6 and 7 The following example shows how to set the center value of X axis aX CENTER ons E VENT Y HIGH 18ns msi 18ns IE The cursor can be moved to the right and left using the gt and arrow keys respectively The value located at the cursor is not highlighted IM 704210 01E 4 2 Setting Numerical Values Explanation Setting a numerical value using the ten key The following six types of ten ke
65. C touch key displayed on the screen FUNCTION Top Menu pw o MODE SIED 996 07 e6 00 37 FUNC PERI A GATE SIZE 10088 MODE T STMP ITUL MIN AUTO SCALE FUNCTION ERIOD Displays the measurement function menu 18 DISPLAY Oey CHB Selects the channel to be used for measurement SLOPE e EB Selects the slope edge SAMPLE i 16ns 1 0008us 16ns INPUT xi 990 0ns Y1 8 X2 1 0100US v2 ined STAT Ave 1 00084236us AL 8 33512ns UY 1 Press the FUNCTION key to display the FUNCTION top menu Selecting period measurement 2 Press the FUNC touch key to display the measurement function menu 3 Press the PERIOD touch key to select period measurement The screen will return to the FUNCTION top menu when the PERIOD touch key is pressed Selecting the channel to be used for measurement 4 Press the CHA CHB touch key to select the desired channel CHA or CHB The highlighted channel CHA or CHB will be selected Selecting the slope edge 5 Press the SLOPE touch key to highlight SLOPE 6 Turn the rotary knob to select the desired slope type Measurement function menu PERIOD TIME INTERUAL PHASE PULSE WIDTH DUTY These keys are displayed for time stamp mode only Selects period measurement 5 2 IM 704210 01E 5 2 Setting Period Measurement Explanation Measurement range Measurement range varies according to th
66. DE H HIST ITUL MIN AUTO SCALE aI S 1 gt DISPLAY SCALE SAMPLE SINGLE START STOP 1 CALCU gt nur 16ns 999 9ns 16ns LATION x1 989 9ns Y1 8 KEY x2 1 6699us d 108 BOARD COPY LOCAL STAT Ave 1 080835us UTILITY 6 e 338ns Measurement indicator When carrying out measurement continuously Starting measurement Press the START key to start measurement The measurement indicator will light up suoneJedo uouiulo Stopping measurement Press the STOP key to stop measurement The measurement indicator will go out When carrying out measurement only once Press the SINGLE key Measurement will stop automatically when measurement has been carried out once The measurement indicator will light up while measurement is in progress and will go out when measurement is complete Explanation Continuous measurement Once measurement is started measurement will be carried out repeatedly until the STOP key is pressed Single measurement Measurement is carried out each time the SINGLE key is pressed Note LLL Each series of processes measurement data processing and display is called a block see 1 5 f the START or SINGLE key is pressed while the current one block measurement is in progress measured data acquired after the START or SINGLE key is pressed will be processed i e displayed computed If the STOP
67. Directory for screen image data including set up information IMAGE statistical computation text data STAT Note 5 5 D 10 Floppy disks formatted in a format type other than those specified above cannot be used with this instrument f an error message is displayed after formatting the floppy disk may be faulty All the data stored on the floppy disk will be deleted when the floppy disk is formatted CAUTION Never remove the floppy disk while the access indicator is blinking Failure to do so may damage the magnetic head of the floppy disk drive or destroy the data saved on the floppy disk IM 704210 01E xsig ddojJ e wo ejeg eui Buipeo pue Bulaes e 9 3 Saving Loading and Auto Loading the Set up Information Procedure File menu e ITEM SETUP displayed on the screen UTILITY Top Menu MODE Willuidd 296 07 06 68 46 FUNC PERI A GATE SIZE 188 IST ITU IN To exit from the current menu press any of the top menu keys or press the ESC touch key MODE H H LM FUNCTION FILE Displays the file menu 1 REF gt DISPLAY CLOCK CALI gt SAMPLE BRATION b 18 1ens 1 0083us 10ns FLOPPY INPUT x1 990 3ns Y1 8 ace o 108 NEXT Selects the UTILITY PS AVE 1 000038us 273 rs oe 6 8 271ns 1 Insert a formatted floppy disk into the floppy disk drive 2 Press the UTILITY key to display th
68. HB Test results CHAT Frequency 8657B Avarage Value Standard Deviation Measured Value Allowable Range Measured Value Allowable Range 10MHz 99 7 ns to 100 3 ns 480ps or less 20MHz 49 7 ns to 50 3 ns 390ps or less 40MHz 24 7 ns to 25 3 ns 340ps or less CHA Frequency 8657B Avarage Value Standard Deviation Measured Value Allowable Range Measured Value Allowable Range 10MHz 99 7 ns to 100 3 ns 480ps or less 20MHz 49 7 ns to 50 3 ns 390ps or less 40MHz 24 7 ns to 25 3 ns 340ps or less CHB Frequency 8657B Avarage Value Standard Deviation Measured Value Allowable Range Measured Value Allowable Range 10MHz 99 7 ns to 100 3 ns 480ps or less 20MHz 49 7 ns to 50 3 ns 390ps or less 40MHz 24 7 ns to 25 3 ns 340ps or less CHB d Frequency 8657B Avarage Value Standard Deviation Measured Value Allowable Range Measured Value Allowable Range 10MHz 99 7 ns to 100 3 ns 480ps or less 20MHz 49 7 ns to 50 3 ns 390ps or less 40MHz 24 7 ns to 25 3 ns 340ps or less 11 12 IM 704210 01E 11 6 Carrying out the Performance Test Testing the Frequency Resolution Minimum Measured Value and Minimum Input Pulse Width Instruments required Prepare the following instruments Synthesized signal generator Frequency range 10 MHz to 50 MHz or higher Output level 720 mVims or higher Output level accuracy 1 5 dBm or better Recommended instrument 8657B synthesized signal generator
69. IS single mount Rack mount kit 751534 J3 1 For JIS dual mount IM 704210 01E 3 Safety Precautions This instrument is an IEC safety class I instrument provided with terminal for protective grounding The following general safety precautions must be observed during all phases of operation service and repair of this instrument If this instrument is used in a manner not sepecified in this manual the protection provided by this instrument may be impaired Also YOKOGAWA Electric Corporation assumes no liability for the customer s failure to comply with these requirements The following symbols are used on this instrument AN To avoid injury death of personnel N Alternating current or damage to the instrument the operator must refer to an explanation ON power in the User s Manual or Service Manual O OFF power Make sure to comply with the following safety precautions Not complying might result in injury death of personnel or damage to the instrument Power Supply Ensure the source voltage matches the voltage of the power supply before turning ON the power Power Cable and Plug To prevent an electric shock or fire be sure to use the power cord supplied by YOKOGAWA The main power plug must be plugged in an outlet with protective grounding terminal Do not invalidate protection by using an extension cord without protective grounding Protective Grounding Make sure to connect the protective groundi
70. KEY TEST touch key to highlight KEY TEST Executing key rotary knob test 8 Press the EXEC touch key The key rotary knob test will start and the front panel view will appear on the screen 9 Press each front panel key to check that the corresponding area highlights Turn the rotary knob to check that the rotary knob icon rotates Returning to the self test menu 10 Press the ESC touch key to return to the self test menu Selecting touch key test 11 Press the TOUCHKEY TEST touch key to highlight TOUCHKEY TEST Executing touch key test 12 Press the EXEC touch key Numbers 1 to 60 will appear on the screen 13 Press each number to check that it highlights Returning to the self test menu 14 Press an any front panel key to return to the self test menu Selecting display test Selects board 15 Press the DISPLAY TEST touch key to highlight DISPLAY TEST test e Executing display test Selects ey 16 Press the EXEC touch key The entire screen will become bluish Check that there are no rotary knob test Self test menu white spots on the screen 17 Use the arrow keys or rotary knob to check that the contrast changes accordingly Returning to the self test menu 18 Press an any front panel key except the arrow keys to return to the self test menu IM 704210 01E 11 5 eoueuojure y pue Bunoouse qnoJ m 11 4 Executing the Self test Explanation Remove all the cables connected to the terminal on the front and rear pan
71. L atBT atsl Condition for continuous measurement Intervals between A to B measurements must be 30 ns or more and the period of CHA signal must be 71 ns or more A to B to A Interval Measuring range A to B 30 ns to 100 ms B to A 30 ns to 100 ms time stamp mode A to B 30 ns to 3 2 us B to A 30 ns to 3 2 us hardware histogram mode Display resolution 100 ps time stamp mode 100 ps or histogram span setting 200 whichever larger hardware histogram mode Measurement resolution 300 ps rms A input trigger error B input trigger error time stamp mode e 300 ps rms or display resolution whichever larger A input trigger error B input timing error hardware histogram mode Accuracy ad 300 ps rms trigger level timing error timebase frequency stability x measured interval 1 ns systematic error Slope Selectable from AfBTAT AfBlAT ALBTAL ALBLAL n 12 2 IM 704210 01E 12 2 Measurement Functions Measurement Items Items Specifications Pulse Width Measuring range 30 ns to 100 ms time stamp mode 30 ns to 3 2 us hardware histogram mode Display resolution 100 ps time stamp mode 100 ps or histogram span setting 200 whichever larger hardware histogram mode Measurement resolution Time stamp mode When polarity is 9 le 300 ps rms rising trigger error falling trigger error e When polarity is Ald 300 ps rms rising trigger error
72. Seba eee LETLLLETLLLEE puse pi p2j P3 P4 P2 P3 P4 Sampling interval 1 8 IM 704210 01E 1 5 Setting the Acquisition Conditions for Input Signal to be Measured When the period of the input signal is shorter than the sampling interval Preparation 1 block for measurement 1 block Data processing Measurement block display L Measurement block IN I Input signal _ UUUUUUUUUUUUSSUUUUU gt Annu ee LJ LJ LI LI LI LI LI pd n S1 S2 S3 S4 SN S1 S2 S3 S4 c 5 4 40 4 4 A A A 2 Samplin d e z 1 1 amp amping Pf GC pe p uper 9 p P1 P2 P3 P4 PN Pi P2 P3 P4 o L Ll Sampling interval Trigger Mode Trigger Level For operating procedure refer to 6 1 The instrument allows the user to specify the level at which measurement is to be carried out This level is called trigger level Single auto trigger The center level of the amplitude of the input signal is set as the trigger level automatically during the cycle just before the first measurement block This trigger level will be used for all the subsequent measurement blocks Repeat auto trigger The center level of the amplitude of the input signal is set as the trigger level automatically during the cycle just before each measurement block Unlike the single auto trigger the trigger level is set for each measurement block Trigger level is set Measurement block Amplitude Input signal A trigger is cau
73. Selecting pen assignment Select the desired pen assignment from the following AUTO Assigns pens automatically according to the number of pens available with the plotter Number of Pens GRID GRAPH 1 1 1 2 1 e MAN Allows the user to assign a pen to GRID and GRAPH Pen Nos 1 to 12 can be selected 1 Used for any drawings other than graph e g characters numerical values graph s frame grid 2 Used to draw bins for histogram display and broken lines for time variation display 10 4 IM 704210 01E 10 2 Inputting and Outputting the Reference Signal For a description of the function refer to 1 7 Procedure To exit from the current menu press any of the top menu keys or press the ESC touch key displayed on the screen UTILITY Top Menu MODE VWilluidd 996 07 06 68 5 8 FUNC PERI A GATE SIZE MODE H HIST ITUL AUTO SCALE F FUNCTION FILE 1 REF gt DISPLAY CLOCK CALI gt SAMPLE BRATION 1 FLOPPY 8883us 18ns INPUT Selects the reference clock menu Selects the UTILITY menu osu Y2 us Y NEXT d 2 3 UTILITY Connecting a BNC cable 1 Connecta BNC cable to the reference input terminal REFERENCE IN and reference output terminal REFERENCE OUT Selecting the reference clock 2 Press the UTILITY key to display the UTILITY top menu 3 Press the NEXT touc
74. T communication command is issued For auto arming the internal arming signal is used External arming Arming is activated when the external arming signal is input to the EXT ARM IN terminal following start of measurement It is possible to select whether to activate arming using the rising or falling edge of the external arming signal Start of measurement Arming Measurement block For operating procedure refer to 6 3 With the external arming method it is possible to delay measurement until a certain time elapses or the specified number of events occur following activation of arming The following two arming delay methods are available Time delay Measurement starts after the specified time up to 1 second has elapsed Event delay Measurement starts after the specified number of events up to 30 000 have occurred 1 10 IM 704210 01E 1 5 Setting the Acquisition Conditions for Input Signal to be Measured Inhibit For operating procedure refer to 6 4 Measurement can be inhibited by inputting the inhibit signal to the INHIBIT IN terminal This is also possible while the gate is open or during measurement following the arming delay Measurement can be inhibited for up to 320 seconds In addition it is possible to select whether to inhibit measurement using the positive or negative edge of the inhibit signal n Relation between the inhibit signal
75. TO SCALE touch key to perform auto scaling The X axis and Y axis suitable for the input signal will be set automatically to display time variation The X axis and Y axis can be changed by carrying out steps 5 to 14 If it is not necessary to change the X axis and Y axis scaling proceed to step 15 Display format menu LIST TIME VAR STATIS TICS Selects the time variation display function display for time stamp mode only IM 704210 01E 7 13 ejeg peinduio2 paunsee y ay BuiAejdsig H 7 5 Setting the Time Variation Display Function and Reading the Data Readout Setting the X axis and Y axis 5 Press the SCALE touch key to display the X axis Y axis menu Setting the minimum value of X axis 6 Press the X MIN touch key to highlight X MIN 7 Turn the rotary key or use the ten key to set the desired minimum value of X axis Selecting the span of X axis 8 Press the X SPAN touch key to highlight X SPAN 9 Turn the rotary key to select the desired span of X axis Setting the center value of Y axis 10 Press the Y CENTER touch key to highlight Y CENTER 11 Turn the rotary key or use the ten key to set the desired center value of Y axis Selecting the span of Y axis 12 Press the Y SPAN touch key to highlight Y SPAN 13 Turn the rotary key to select the desired span of Y axis Returning to the DISPLAY top menu 14 Press the ESC touch key Setting readout parameters 15 Set readout par
76. UTION Never remove the floppy disk while the access indicator is blinking Failure to do so may damage the magnetic head of the floppy disk drive or destroy the data saved on the floppy disk IM 704210 01E 9 4 Saving and Loading the Measured and Computed Data Procedure To exit from the current menu press any of the top menu keys or press the ESC touch key displayed on the screen UTILITY Top Menu MODE TILITY 1996 67 66 68 46 FUNC PERI A GATE SIZE 1808 MODE H HIST ITUL MIN FUNCTION FILE Displays the file menu 1 REF gt DISPLAY CLOCK CALI gt SAMPLE BRATION gt 10 ions 1 0803us 18ns FLOPPY INPUT x1 998 3ns Y1 8 x2 1 0103US v2 iag NEXT rep AE 273 Selects the UTILITY menu VEI 6 8 271ns re 1 Insert a formatted floppy disk into the floppy disk drive 2 Press the UTILITY key to display the UTILITY top menu 3 Press the NEXT touch key to display NEXT 2 3 on the key Saving the measurement results 4 Press the FILE touch key to display the file menu Selecting the item to be saved 5 Turn the rotary knob to highlight ITEM MEASDATA on the ITEM touch key The DATATYPE touch key will appear 6 Press the DATATYPE touch key to highlight TEXT or BIN on the key The highlighted data type will be selected Setting the file name 7 Referto Setting the file name in 9 3 Performing saving 8 Referto Performin
77. Use the ten key to set the desired delay time IM 704210 01E 6 3 Setting the Arming Source Slope and Delay Types Setting the number of events required only when EVENT is selected at step 7 10 After step 7 press the D EVENT touch key to highlight D EVENT 11 Turn the rotary knob to select the desired number of events Auto arming menu External arming menu SOURCE Selects the arming source i Selects the arming source SLOPE a E Selects the arming delay type Selects the slope D TIME B5 1 0000ns Sets the delay time number of events No touch key is displayed if OFF is selected as the arming delay type and D EVENT touch key is displayed if EVENT is selected Explanation Selecting the arming source Selects the desired arming source from the following AUTO Auto arming EXT External arming Points to note when selecting EXTERNAL Input the external arming signal to the EXT ARM terminal on the rear panel Input impedance 10 KQ Typical Input coupling DC Trigger level TTL level e Maximum input voltage 8 V to 13 V DC ACpeak Minimum pulse width 30 ns Setup time 70 ns in order for the arming signal to be valid it must precede the measurement signal by no less than 70 ns Typical value is described in terms of typical of average performance However they cannot be guaranteed External arming input circuit shared with the external gat
78. a see the following page enables statistical computation for the area enclosed by the markers Histogram display format The meaning of each value displayed at the bottom of the screen is given below X1 X axis coordinate of X1 marker measured value Y1 Y axis coordinate of X1 marker frequency of X1 X2 X axis coordinate of X2 marker measured value Y2 Y axis coordinate of X2 marker frequency of X2 N WINDOW selected as calculation area Total number of samples within the window MARKER selected as calculation area Number of samples present within the area enclosed by X1 and X2 markers Window 4 191X1 marker X2 Marker Mi Time variation display format The meaning of each value displayed at the bottom of the screen is given below X1 X axis coordinate of X1 marker time stamp X2 X axis coordinate of X2 marker time stamp AX X2 Xl Y 1 Y axis coordinate of X1 marker measured value Y2 Y axis coordinate of X2 marker measured value AY IY2 Y1I X1 marker X2 Marker D 4 D Xxx CNN IM 704210 01E suonounj 1 4 Computation Calculation For operating procedure refer to 7 1 and 7 7 The following functions are available to select set parameters required for statistical computation Selecting the calculation area This function allows the user to select whether to carry out statistical computation using the measured values present in the entire window of a histogram o
79. ameters using the marker menu as described in 7 1 Selecting the display parameters from the DISPLAY top menu 16 Press the DISP PARAM touch key to display the display parameter menu Turning grid display ON OFF 17 Press the GRID touch key to highlight OFF or ON The highlighted option OFF or ON will be selected Turning interpolation display ON OFF 18 Press the CONNECT touch key to highlight OFF or ON The highlighted option OFF or ON will be selected X axis Y axis menu Marker menu Display parameter menu DISP PARAM Sets the minimum MARKER Turns marker display GRID Turns grid display value of X axis OFF Uy J ON OFF OFF W JlON OFF o9 X1 CONNECT Turns interpolation display Selects the span of X axis al Moves the X1 marker OFF TS loN OFF Sets the center value of S X2 Y axis MARKER Moves the X2 marker Selects the marker speed 7 14 IM 704210 01E 7 5 Setting the Time Variation Display Function and Reading the Data Readout Explanation The time variation display function is available only when time stamp mode is selected as the sampling mode Selecting the time variation display function From the display format menu select TIME VAR The time stamp resolution X axis is 100 ns Performing auto scaling Refer to 7 1 Setting the X axis and Y axis Setting range for the minimum value of X axis The minimum value of X axis can be set within the following range 0 to 199
80. and Reading the Statistic Data sse 7 8 Selecting the Histogram Display Function and Displaying the Statistic Data Chapter 8 Storing and Recalling the Set up Information from the Internal Memory 8 1 Storing the Set up Information in the Internal Memory essere 8 1 8 2 Recalling the Set up Information from the Internal Memory eese 8 2 Chapter 9 Saving and Loading the Data from a Floppy Disk 9 Points to Note during Use of the Floppy Disk Drive sese nenne nnne 9 1 9 2 Formatting a Floppy Disk rerien a e nt E te eee eee 9 2 9 3 Saving Loading and Auto Loading the Set up Information eese 9 4 9 4 Saving and Loading the Measured and Computed Data sess 9 7 9 5 Saving the Screen Image D ta escena ennn e ette e ted od te bead 9 10 9 6 X Auto Saving the Screen Image Data sess tenente tete trtnrnne tr tnetnenetne nenne 9 12 9 7 Deleting Saved Data Chapter 10 Using Other Functions 10 1 Output ng Data to Plotter tee rese e e db Re e OR 10 1 A 10 2 Inputting and Outputting the Reference Signal ccccccscsssessssssessesssssseesscssessecssessecsucssecsecssssecsecsuessecsuceseeseesees 10 5 N 103 Outp t ng the Monitor Signal eee tede bei testen ti e eerte te needs 10 7 10 4 Initializing the Set up Information eese eene nne ene nennen enne treni tette nennen 10 8 10 5 Ca
81. and gating 5 o Mesurement is inhibited S Inhibit signal B Gate is open Gate j L i Not measured i i e ENTIE gt Input signal LT LJ GJ L iL S1 S2 S3 84 S5 i Start of measurement Measurement is resumed Not counted as an event during inhibition of measurement Relation between the inhibit signal and gating external arming Mesurement is inhibited Inhibit signal Gate is open i L Gate External arming Not measured Input signal C 1 ue c E 1 S2 S3 i 84 S5 iStart of measurement Measurement is resumed Not counted as an event during inhibition of measurement Relation between the inhibit signal and gating external arming arming delay Mesurement is inhibited Inhibit signal Gate is open j L Gate _ Arming delay _ External arming i Not measured E px EGET Input signal i N S1 S2 S3 i S4 S5 Start of measurement Measurement is resumed Not counted as an event during inhibition of measurement IM 704210 01E 1 6 Displaying the Measured Computed Data Histogram Display Maximum value of Y axis bli Multi window For operating procedure refer to 7 1 A histogram of measured data is displayed for each measurement block to allow the user to observe data distribution Although period phase di
82. arker display ON OFF 15 Press the MARKER touch key of the marker menu to highlight OFF or ON The highlighted option OFF or ON will be selected If OFF is selected skip to step 23 Moving the X1 marker 16 Press the X1 MARKER touch key to highlight X1 MARKER 17 Turn the rotary knob to move the X1 marker to the desired position Moving the X2 marker 18 Press the X2 MARKER touch key to highlight X2 MARKER 19 Turn the rotary knob to move the X2 marker to the desired position Selecting the marker speed 20 Press the MOVEMENT touch key to highlight pp This will cause the marker to move faster 2 Press the MOVEMENT touch key to highlight y This will cause the marker to move at the original speed Returning to the DISPLAY top menu 22 Press the ESC touch key Setting the calculation function Calculation menu Selects e Ni M INDOUBM the area o CONST T Sets the fh 40 0ns J constant T _ POLARITY Selects the M H aE polarity to be used for display statistical computation Displayed only when Aj is selected for pulse width measurement Also used for statistical computation see 7 7 and 7 8 23 From the DISPLAY top menu press the CALCULATION touch key to display the calculation menu Selecting the area 24 Press the AREA touch key to highlight AREA 25 Turn the rotary knob to select the desired area Setting constant T 26 Press the CONST T touch key to highligh
83. asurement These keys are displayed for time stamp mode only 5 10 IM 704210 01E 5 6 Setting Duty Ratio Measurement Explanation Measurement range Measurement range is shown below This measurement is available only when time stamp mode has been selected 0 to 99 999 Selecting the channel to be used for measurement Select either CHA or CHB Selecting the polarity Select the desired polarity from the following amp Measures the positive duty ratio i e from a rising edge to the next falling edge l amp j Measures the negative duty ratio i e from a falling edge to the next rising edge Example e Measurement tpi Measurement tp2 p i lt Measurement ti Measurement tz lt gt lt gt CH A f i f CHB Ui Ua Duty ratio 1 95 7 x 100 Duty ratio 2 95 x 100 1 2 Note 2 Duty ratio measurement is not available if hardware histogram mode has been selected tj must be 71 ns or more in the above example otherwise incorrect measurement will result In addition incorrect measurement may also result if t t is below 30 ns This also applies when negative polarity is selected IM 704210 01E 5 11 wi9 uonounJ 1ueureunseojy pue epojy Huljdwes eui 6unies a 6 1 Setting the Input Coupling Input Impedance Trigger Mode and Trigger Level For a description of the function refer to 1 52 To exit from the current menu pre
84. at the power to each instrument is OFF then connect the instruments to each other as illustrated below Connect the output of the synthesized signal generator to the input terminal CHA or CHB of the TA320 TA320 REFERENCE IN TA320 mcum 0 00000 Setting the instruments TA320 Synthesized signal generator 8657B REFERENCE OUT EJ oan Oo OF uuu 000 ooo oof A OOO ooo O nud Boe o ooo 000 m Ei CI ooo 0g goo OUTPUT Sampling mode Hardware histogram mode Input settings DC coupling 50 Q both CHA and CHB trigger level 0V Function Period A B Gate Event 1000000 Reference External XCENTER X SPAN Input Frequency XCENTER XSPAN 10MHz 100 ns 20 ns 20MHz 50 ns 20 ns 40MHz 25ns 20 ns Y HIGH 10 8657B Frequency 10MHz 20MHz 40MHz Level 35mVims IM 704210 01E 11 11 o2ueuojure y pue Bunoouse qnoJ LE 11 6 Carrying out the Performance Test Testing method Wait for 30 minutes after the TA320 is turned ON Set the frequency of the synthesized signal generator 8657B to the values given in the table below and check that the measured values mean value and standard deviation are within the allowable range using the period measurement function of the TA320 Carry out the same test for both channels CHA and C
85. ay Function and Reading the Data Readout X axis Y axis menu IX CENTER X SPAN Zons W SPACE 115 0ns Y HIGH Sets the maximum value of Y axis Y AXIS Sets the LINA Y axis scale Displayed only when the multi window function is active see 7 2 Sets the center value of X axis Sets the span of X axis G dio o He Setting the X axis and Y axis 5 Press the SCALE touch key to display the X axis Y axis menu Setting the center value of X axis 6 Press the X CENTER touch key to highlight X CENTER 7 Turn the rotary key or use the ten key to set the desired center value of X axis Selecting the span of X axis 8 Pressthe X SPAN touch key to highlight X SPAN 9 Turn the rotary key to select the desired span of X axis Selecting the Y axis scale 10 Press the Y AXIS touch key to highlight LIN or LOG The highlighted scale will be selected Selecting the maximum value of Y axis 11 Press the Y HIGH touch key to highlight Y HIGH 12 Turn the rotary knob to select the desired maximum value of Y axis Returning to the DISPLAY top menu 13 Press the ESC touch key Setting readout parameters Marker menu MARKER Turns marker OFF i J display ON OFF x1 Moves the i Fi X1 marker H Moves the X2 IARKER J X2 marker a Selects the marker speed 14 From the DISPLAY top menu press the MARKER touch key to display the marker menu Turning m
86. ay the Y axis menu Selecting the Y axis scale 6 Press the Y AXIS touch key to highlight LIN or LOG The highlighted scale will be selected Selecting the maximum value of Y axis 7 Press the Y HIGH touch key to highlight Y HIGH 8 Turn the rotary knob to select the desired maximum value of Y axis DOJ bal 996 87 66 08 2 FUNC PULS A GATE SIZE MODE H HIST ITUL ESC 1 18888 MIN Histogram data addition Y axis menu e ma Selects the maximum X axis coordinate of each marker 16 ou Asterisks are displayed n n 3 value of Y axis instead of the X axis coordinates M 9999 Mos i METIE Selects the Y axis scale in the case of histogram data STAT pop 0 0ns 0G AVE e 06868ns addition Center value of X axis No numerical value is displayed in the case of histogram data addition The histogram data addition is available only when the multi window function is ON and AUTO is selected as the multi window mode Histogram data addition The frequency of all the windows i e windows set using the SIZE touch key during multi window setting is added The frequency of the bin located within the span of X axis and at the relatively same position to the center value of X axis is added The center value and marker s X axis coordinate are not displayed since they exist for each window thus displaying them is meaningless e Y and Y2 frequency of each marker indicates the frequen
87. ayed on the screen DISPLAY Top Menu For a description of the function refer to 1 4 and 1 6 To exit from the current menu press any of the top menu keys or press the ESC touch key MODE FUNCTION Displays the display format menu DISPLAY SAMPLE INPUT O AVE 0 03080428 O T 1 35708560 MELE 0 66029294 Displays the calculation menu 8s SIGMA UTILITY Range touch key displayed for hardware histogram mode only 1 Press the DISPLAY key to display the DISPLAY top menu Selecting the statistics display function 2 Press the DISP touch key to display the display format menu 3 Press the STATISTICS touch key to the statistics display function The screen will return to the DISPLAY top menu when the STATISTICS touch key is pressed Setting constant T required for hardware histogram mode only 4 Press the CALCULATION touch key to display the calculation menu 5 Turn the rotary knob or use the ten key to set the desired constant T 6 Press the ESC touch key to return to the DISPLAY top menu Selecting the polarity to be used for display statistical computation Required only if e has been selected for pulse width measurement 7 Press the POLARITY touch key to highlight A or Hj The highlighted polarity will be selected Selecting the bar graph range required for hardware histogram mode only
88. ck to its original position It is possible to mount the instrument on an optional rack For mounting instructions refer to the user s manual supplied with the kit The following rack mount kits are available Name Model Specification Rack Mount Kit 751533 E3 EIA Single Mount Rack Mount Kit 751534 E3 EIA Dual Mount Rack Mount Kit 751533 J3 JIS Single Mount Rack Mount Kit 751534 J3 JIS Dual Mount IM 704210 01E juswainseayy Bunes 310429 B 3 3 Connecting the Power Cord Before Connecting the Power Make sure that you observe the following points before connecting the power Failure to do so may cause electric shock or damage to the instrument AN WARNING Make certain that the power voltage of your outlet matches the instrument s rated power voltage Be sure that the instrument s power switch is OFF Be sure that your power cord has been supplied by Yokogawa specifically for use with this instrument Use of an inappropriate cord may present a shock or fire hazard Always use protective ground to prevent electric shock Connect the instrument s power cord to a 3 pin AC outlet with grounding terminal Never use an extension cord that does not have a protective grounding otherwise the protection feature will be invalidated Connecting the Power Cord 1 Make sure that the POWER switch located on the front panel is turned OFF 2 Plug the power cord into the power connector socket on
89. cy obtained after addition is carried out Nindicates the number of samples obtained after addition is carried out Whether N indicates the number of samples present in the entire window or within the area enclosed by the markers is determined by the calculation area set in 7 1 Setting the Y axis Refer to Explanation given in 7 1 7 12 IM 704210 01E 7 5 Setting the Time Variation Display Function and Reading the Data Readout For a description of the function refer to 1 4 and 1 6 To exit from the current menu press any of the top menu keys or press the ESC touch key displayed on the screen DISPLAY Top Menu MODE HIP TE 995 07 06 03 17 FUNC PERI A GATE SIZE 100 Performs auto scaling MODE T STMP ITUL MIN AUTO SCALE FUNCTION DIES Displays the display format menu P DE E A Displays the X axis Y axis menu DISPLAY SAMPLE Displays the marker menu Displays the display parameter menu INPUT D DXX lt N N UTILITY 1 Press the DISPLAY key to display the DISPLAY top menu Selecting the time variation display function 2 Press the DISP touch key to display the display format menu 3 Press the TIMEVAR touch key to select the time variation display function The screen will return to the DISPLAY top menu when the TIMEVAR touch key is pressed Performing auto scaling 4 Press the AU
90. d proceed to step 13 or if MAN is selected proceed to step 9 Selecting pen assignment 9 Press the GRID touch key to highlight GRID 10 Turn the rotary knob to select the pen No to be used to draw the grid 11 Press the GRAPH touch key to highlight GRAPH 12 Turn the rotary knob to select the pen No to be used to draw a graph Returning to the COPY menu 13 Press the ESC touch key Plotter menu 873 Selects the paper size Selects the pen speed PENMODE AUTO TMI Selects the pen mode Selects pen No to be used to draw the grid Selects pen No to be used to draw a graph Displayed only when MAN is selected as the pen mode Performing output to the plotter 14 Press the EXEC touch key to output the screen image data to the plotter 10 2 IM 704210 01E 10 1 Outputting Data to a Plotter Explanation Connecting the plotter Applicable plotters HP GL compatible plotters i e plotters which support the HP GL commands can be used with this instrument Drawable range may differ depending on the plotter model causing incomplete plotting HP GL compatible plotter by YOKOGAWA PL600 high speed color plotter model 700983 Connecting the plotter 1 Check that the power to both plotter and this instrument is OFF 2 Connect the plotter to the instrument using the GP IB cable Tighten the screws to secure the connector firmly GP IB connector GP IB cable
91. desired sampling interval Time gate menu External gate menu e e Bay Selects the gate type Selects the gate type e TOUS AL Selects the gate type SIZE GATET IME 8i 1000 Sets the sample size 3 1 0000ns Sets the gate time NI Selects the polarity Selects the sampling interval Selects the sampling interval 9 Selects the sampling interval N Display for time stamp N mode only BEER F Display for time stamp IN mode only Display for time stamp mode only E d F F IM 704210 01E peunsee y eq 0 eus 1nduj 10 suonipuo uonisinboy y Buas LE 6 2 Setting the Gate Type Sample Size and Sampling Interval Explanation AN Selecting the gate type Select the desired gate type from the following EVENT Event gate TIME Time gate EXTERNAL External gate It is not possible to set the arming function or use the external arming signal if EXTERNAL is selected since the external arming input terminal is shared with the external gate input signal Points to note when selecting EXTERNAL Input the external gating signal to the EXT ARM terminal on the rear panel Input impedance 10 kQ Typical Input coupling DC Trigger level TTL level e Maximum input voltage 8 V to 13 V DC ACpeak Minimum pulse width 30 ns Setup time 70 ns in order for the gating signal to be valid it must precede the measurement signal by no less than 70 ns Typ
92. e sss 6 2 Center value of Y axis Data number 5 5 eR RET ainwss 1 14 Date 25e e nre Ye EH Ye ed eee 3 10 Deletion dataren de err ver t eti ur t womens 0 13 9 14 Directory eee ete pete eet eerte ees 9 3 Displacement 1 12 1 13 Display parameter st eeens orori a n E e 7 16 Display histogram eee 1 12 7 1 to 7 12 Display list aee ER RR es 1 14 7 17 7 18 Display statistics esee 1 6 1 14 7 19 to 7 22 12 6 Display time variation eee 1 13 7 13 to 7 16 Duty ratio measurement seen 1 4 5 10 E Page Eject buttoti netter tbt eredi Elapsed time Eiror loggifig aae e re Ee BErtot meSsage uere eel een RETE t eret ERES Event delay tea eo Re AR RSEN E Ye EIS Byent gate ere o PER AREENRE Ret EP Ue eee Kann EXTENSION cet I ERA EHE EIC ERR RSS External arming eere External connection eere teen te entente tt nein External dimensions External Gates T External input arming eene 1 10 1 16 2 2 6 7 External input gating B5 1 9 6 4 External input inhibit sess 1 11 1 16 2 2 10 6 External input reference sss 1 1 1 16 2 2 10 6 External output monitor 1 1 1 16 2 2 10 7 External output reference sess 1 1 1 16 2 2 10 6 F Page File name 9 6 Circui
93. e 3 Grid display opea EA 7 16 Grounding H Page Hardware histogram mode eene 1 2 FSO STAM ss sss 1 12 7 1 to 7 12 Histogram data addition sssss 1 13 7 11 7 12 Humidity range sess Refer to ambient humidity l Page Impedance ae eet edet 1 8 6 1 chapter 12 Indicator EON RR Ede dae Mea dE a 2 1 Inhibit decerni ane nem ERR 1 11 6 9 12 7 Initialization set up information 1 16 10 9 Initialize Refer to 10 4 Initializing the Set up Information Input amplifier eee eene eee 1 1 Input coupling esee 1 8 6 1 chapter 12 Input impedance etes 1 8 6 1 chapter 12 Input indicator Input terminal Installation conditions sess 3 2 Installation position eese nnn 3 3 Internal meimoty Sereen itnn 1 16 8 1 8 2 Interpolation display eene 7 16 J Page Jitter 15 2 RINT ede nie 1 7 JUVE L 1 7 Ic 2 1 L Page Life lithium battery ao ertt reete rem 3 5 Liquid crystal display LCD sse 2 1 LAS iei o to teen e e e soe 1 14 7 17 7 18 Lithium battery ne eene tiet Re etd 3 5 Loading measured data sss 9 7 to 9 9 Loading set up information eee eects 9 4 to 9 6 M Page Maximum input voltage eene 12 1 12 7 Maximum power consumption
94. e UTILITY top menu 3 Press the NEXT touch key to display NEXT 2 3 on the key Saving the set up information 4 Press the FILE touch key to display the file menu Selecting the item to be saved 5 Turn the rotary knob to highlight ITEM SETUP on the ITEM touch key to select the set up information Setting the file name 6 Press the SAVE LOAD touch key to display the save load menu 7 Press the SAVE touch key to display the save menu A keyboard will be displayed 8 Enter the desired file name using the keyboard The file name will be displayed on the upper SQUE Displays the LOAD left corner of the keyboard 9 To correct the file name press the lt arrow key Each time the lt arrow key is pressed the cursor moves to the left one character thus the characters of the file name are deleted one by one Performing saving 10 After the file name is set press the SAVE EXEC touch key to save the set up information Save load menu Save menu cR CLE GR 2 save load Displays me a s s sj Displays the file name Selects the LOAD aro CO c 2 s 7 s ce HY ee n DELETE SET is MAMAS 1 v J 9 09 9 GJ C IM 704210 01E 9 3 Saving Loading and Auto Loading the Set up Information Loading the setup information 11 After step 6 turn the rotary knob to select the file name to be loaded 12 Press the LOAD EXEC touch key Weimbe at 996 67
95. e case of hardware histogram mode the largest value class value inside the window will be displayed at the bottom of the list The value displayed on the NUMBER touch key indicates the data number of the largest value class value Explanation Selecting the list display function The list contains 10 data items The contents of the list vary according to the selected sampling mode The time stamp resolution is 100 ns Time stamp mode Time stamp Measured value TIME 10 1us 10 0017us 10 0011us 10 0013us 10 0001us g S E f a 3 Sgoo xoononromwm agd 3 go e The data number of the highlighted data is displayed Hardware histogram mode Class value Frequency Data number MEASURE 82 The data number of the 83 1 9966us E highlighted data is displayed Setting range for data number The setting range varies according to the selected according to the selected sampling mode Time stamp mode From the first measured value NUMBER 1 to the last measured value of a measurement block Hardware histogram mode From the smallest measured value class value NUMBER 1 to the largest value class value within the window Note LLL The cursor is located at data number 1 during measurement It is not possible to set data number during measurement 7 18 IM 704210 01E 7 7 Selecting the Statistics Display Function and Reading the Statistic Data Procedure displ
96. e floppy Used to remove the disk drive is in use floppy disk See 9 1 Floppy disk drive is caused LOCAL key Cancels remote control REMOTE indicator lights up during remote control mode Refer to the GP IB Interface User s Manual IM704210 12E COPY key Saves the screen image data to a floppy disk outputs the screen image data to an external plotter See 9 6 and 10 1 L KEYBOARD key Displays a ten key only when a ten key icon is displayed on the left of a touch key See 4 2 CHA CHB input indicator Blinks while the signal is input and a trigger CHA CHB input terminal A Connect the input signal cables to these terminals See 3 5 IM 704210 01E 2 2 Rear Panel Adjustment hole for reference clock frequency Used to adjust the time base See 11 5 Reference input terminal A The external reference clock is input to this terminal See 10 2 Reference output terminal N The reference clock is output from this terminal See 10 2 CHA CHB monitor output terminal A Input signals are output from these terminals See 10 3 External arming input terminal shared with the external See 6 2 and 6 3 gating input A Inhibit input terminal A See 6 4 g y A CIRCUIT RE BREAKER ADJUST EFERENCE lONITOR OU EXT ARM INHIBIT 250V AC 3A l OUT CHJA cH B l l 1 i Circuit breaker N NEA See 11 7 for the
97. e multi window mode Selects the window size x1 Panorama display menu see 7 3 Setting the X axis and Y axis 15 Press the SCALE touch key to display the X axis Y axis menu Setting the center value of X axis 16 Press the X CENTER touch key to highlight X CENTER 17 Turn the rotary key or use the ten key to set the desired center value of X axis for window 1 The value recorded at step 6 the X axis coordinate of the X1 marker must be set Selecting the span of X axis 18 Press the X SPAN touch key to highlight X SPAN 19 Turn the rotary key to select the desired span of X axis By referring to the value recorded at step 7 the displacement of the X2 marker from X1 marker set the span so that the entire histogram to be analyzed is positioned inside the window Setting the space between the center values of X axis required only when AUTO multi window mode is selected 20 Press the W SPACE touch key to highlight W SPACE 2 Turn the rotary key or use the ten key to set the space between the center value of X axis for a window and that for other windows The value recorded at step 7 the displacement of the X2 marker from X1 marker must be set Selecting the scale and maximum value of Y axis 22 Select the scale and maximum value of Y axis if necessary For the selection method refer to 7 1 Re setting the X axis and Y axis 23 Repeat steps from 15 until the histogram can be observed clearly and easily X
98. e power switch and unplug the power cord from the outlet Then consult your nearest Yokogawa representative for assistance f the cooling fan stops during operation the instrument will display the error message shown below When you see this message turn OFF the power immediately The fan on the rear panel may be jammed check for and remove any obstructions then restart If the same error recurs turn OFF the power and contact your nearest Yokogawa representative 906 Fan stopped Turn OFF the power immediately Never rest any objects on the power cord Keep the cord clear of hot objects at all times When unplugging the power cord pull on the plug area never pull on the cord itself If the cord is damaged contact your dealer and obtain a replacement Quote the part number indicated on page 2 of this manual Never place liquid filled containers or other potentially damaging objects on top of the instrument Avoid subjecting the instrument to vibration and strong impacts as these can cause hardware damage Be especially careful if the instrument is equipped with a floppy disk drive Also note that any impact to terminals or connecting cables may cause electrical noise to the output signal Always keep terminals clear of electrically charged objects Electrostatic at the terminals may cause internal damage If you do not plan to use the instrument for an extended period unplug the power cord If you need to li
99. e selected sampling mode Time stamp mode 30 ns to 100 ms Hardware histogram mode 30 ns to 3 2 us Selecting the channel to be used for measurement Select either CHA or CHB Selecting the slope edge Select the desired slope from the following T Measures the time from a rising edge to the next rising edge of the input signal e J Measures the time from a falling edge to the next falling edge of the input signal IM 704210 01E wi9 uonounJ 1ueureunseojy pue epojy Huljdwes eui 6unies pa 5 3 Setting Time Interval Measurement For a description of the function refer to 1 3 To exit from the current menu press any of the top menu keys or press the ESC touch key displayed on the screen FUNCTION Top Menu MODE SID 996 07 e6 01 39 FUNC TI AB GATE SIZE 1000 MODE T STMP ITUL MIN AUTO SCALE FUNG gt FUNCTION B d Displays the measurement function menu 16 d A Selects the pattern e SLOPE Selects the slope edge DISPLAY SAMPLE INPUT UTILITY 1 Press the FUNCTION key to display the FUNCTION top menu Selecting time interval measurement 2 Press the FUNC touch key to display the measurement function menu 3 Press the TIME INTERVAL touch key to select time interval measurement The screen will return to the FUNCTION top menu when the TIME INTERVAL touch key is pressed Selecting the pattern 4
100. e statistical computation items as for 7 7 are available Thus no computation will be carried out for jitter 1 o T and jitter 2 MELE and therefore asterisks are displayed even if they are selected Allowable number of items selected Up to two items can be displayed If a third item is selected by pressing the corresponding touch key the first item displayed at the upper section of the statistic data area will disappear the second item will move up and the newly selected item will be displayed at the lower section T a H 1808 STAT WIHDOL Indicates the currently selected computation area AUE 1 6666 2 2S Upper section a a 27 2M5 ower section 7 22 IM 704210 01E 8 1 Storing the Set up Information in the Internal Memory For a description of the function refer to 1 7 To exit from the current menu press any of the top menu keys or press the ESC touch key displayed on the screen UTILITY Top Menu MODE TILITY 1996 67 66 88 37 FUNC PERI GATE SIZE 198 MODE H HIST ITUL MIN wr FUNCTION INIT 1 DISPLAY SERIE Displays the store recall menu SAMPLE CONF IG 1 SELF gt leur 16ns 1 0083us 18ns TEST R2 1 810308 Y2 8 M 108 NEXT mun WE 1 ogogagug Es A 1 Press the UTILITY key to display the UTILITY top menu 2 Press the STORE RECALL touch key to display the store recall menu Selecting the
101. easurement block are saved in text format They cannot be loaded to the instrument after they are saved File name extension and directory File name extension and directory vary depending on the data type An appropriate extension is attached to the file name before the file is saved in its corresponding directory BIN WVF is attached to the file name and the file is saved in the directory TA WAVE The header file ASCII format is also saved at the same time The header file contains the information to be used for analysis of the saved data The extension for the header file is HDR TEXT CSV is attached to the file name and the file is saved in the directory TA TEXT Data size The data size varies depending on the number of samples S and data type Unit bytes BIN Measured data obtained in hardware histogram mode Approx 133 K bytes approx 384 K bytes for simultaneous positive negative measurement of pulse width measurement Measured data obtained in time stamp mode Approx 8 bytes x S approx 8 K bytes TEXT The data size varies considerably depending on the selected sampling mode sample size and histogram display etc However the maximum data size is approx 1 M bytes Saving the statistical computation results File name extension and directory CSV is attached to the file name and the file is saved in the directory TA MISC Data size Each computation data requires approx 500
102. ect button to remove the floppy disk Access indicator 3 Eject button CAUTION Never remove the floppy disk while the access indicator is blinking Failure to do so may damage the magnetic head of the floppy disk drive or destroy the data saved on the floppy disk General Points to Note during Use of the Floppy Disk For general precautions regarding use of the floppy disk refer to the instruction sheets supplied with the floppy disk IM 704210 01E 9 1 xsig ddojJ e wo ejeg eui Huipeo7 pue Buiaes e 9 2 Formatting a Floppy Disk To exit from the current menu press any of the top menu keys or press the ESC touch key displayed on the screen UTILITY Top Menu MODE TILITY 1996 67 66 68 38 FUNC PERI_ A GATE SIZE 108 MODE H HIST ITUL MIN AUTO SCALE gt FUNCTION FILE 1 REF gt DISPLAY CLOCK CALI SAMPLE BRATION gt s iens 1 0083us 710ns FLOPPY Displays the floppy disk menu std x1 990 3ns Y1 8 x2 1 0103us Y2 8 NEXT STAT Xm i 189 273 r Selects the UTILITY menu DTE AVE 1 008838us 6 6 271ns 1 Insert a floppy disk to be formatted into the floppy disk drive 2 Press the UTILITY key to display the UTILITY top menu 3 Press the NEXT touch key to display NEXT 2 3 on the key Displaying the floppy disk menu 4 Press the FLOPPY touch key to display the floppy disk menu Selecting the format type
103. ed from time stamp mode and hardware histogram mode Maximum sampling rate Continuous 14 M samples s approx 71 ns intervals 7 M samples s approx 142 ns intervals in the case of duty ratio and phase difference measurements Maximum sample size maximum number of data items Time stamp mode 32 000 16 000 in the case of duty ratio and phase difference measurements Hardware histogram mode 99 999 999 excluding duty ratio and phase difference measurements Sampling interval MIN 1 us 2 us 4 us 10 us 20 us 40 us 100 us 200 us 400 us 1 ms 2 ms 4 ms MIN is equivalent to the interval for the maximum sampling rate Must be selected for time stamp mode only Maximum sampling time 320 s after the arming Typical values are described in terms of typical of average performance However they cannot be guaranteed 2 Measured under the reference operating conditions specified in 12 10 General Specifications after elapse of warm up time with the DC input coupling and 1MQ input impedance IM 704210 01E 12 1 suoneoyioods 12 2 Measurement Functions Measurement Items Items Specifications Measurement Update Rate 400 ms hardware histogram mode only For measurement of period of 1 MHz sine wave with sample size of 1000 Period Measuring range 30 ns to 100 ms time stamp mode 30 ns to 3 2 us hardware histogram mode Display resolution 100 ps time stamp mode 100 ps or
104. ee 1 4 5 6 R Page Rack mount nee e e eva e e ea ea 3 3 Un MM 1 5 7 4 7 15 Rear paneli eones NE 2 2 Recalling unsure REED eee 1 16 8 2 Reference clock eerta 1 1 1 2 11 8 12 8 1 1 1 16 2 2 10 6 Relative h midity eee ae ee ed ite tete Reference input output Removal Of Case scene mper pere pe podes Repeat auto trigger STOP rase ee v Re rk e aee eene 4 2 SIDE Oed petu det RE UH ERN ER RN AGE ERR ee 1 16 8 1 Structure of the manual eese enne 5 IUUD APP 2 SWItCh uec aie cn Seascale Symbol mark System configuration 2 a ere eee eerte dan eene tene ener eene 1 1 T Page Temperature range Test performance ere eter er nea 3 pin to 2 pin adapter Tie aedes aee ERAN ie Time base adjustment 00 0 0 eeecseeseseesceceeeeeeeeceeeseeseeeeeeaeeaees Time delay Time gate iicet erret ree eer re epi etae Lee PE H een Time interval measurement eeeeeeeeeeeneenee 1 3 5 4 Vim stap iioi thee i YER CARERE RO ERN ER IReen 1 2 Time stamp mode nsten nori ae e e TTA 1 2 Time VariatiOM veccsswecssicecossveasivecessevadscecevsaveevieeces 1 13 7 13 to 7 16 Top meny keyen ER He te E Ee RI IER 2 1 TOUCH key i ot i de YAN RR HA HY RARE A 1 15 2 1 Trigger level rettet te ein 1 9 6 1 12 1 Trigger mode en ae aa ese 1 9 6 1 12 1 Troubleshooting eee 1 17 11 1 11 5 to 11 7 Troubleshoo
105. een by L to make various selects a file See 4 2 chapters 7 and 9 settings and selections Arrow keys TAS E ime INTERVAL ANALYZER YOKOGAWA 4 W d MODE il ISPLAY 199b 07 U03 t5 14 EIMC hDERTEI A GATE 12F 1AA MODE H HIST IWL HIN 1 FUNCTION ee LISP DISPLAY SAMPLE SINGLE START STOP 1 eooi1uv Moves from one digit to another digit during setting of a numerical value Also used as a back space key lt See 4 2 SINGLE key Carries out measurement only once See 4 1 Measurement indicator Lights up during acquisition of measured data START STOP key Starts stops continuous measurement See 4 1 INPUT piss bo FTIOH at x1 900 1ns Y1 e KEY REMOTE T ene 188 Y2 9 BOARD COPY L UTILITY J age 1 0g016sus L RS cH A cH B POWER ga ni ol Ls Power switch Access indicator Eject button See 3 4 Blinks while th
106. electing the reference clock at the foot of this page will be output all the time Output frequency 10 MHz Typical Output impedance 50 Q Typical Output coupling AC e Output voltage level 1 Vp p min when the output is received by input impedance of 50 Q Typical value is described in terms of typical of average performance However they cannot be guaranteed N CAUTION Never short circuit the reference output terminal or apply an external voltage to it Damage to the internal circuits may result Selecting the reference clock Select the desired reference clock from the following INTERNAL Selects the internal reference clock signal EXTERNAL Selects the external reference clock signal 10 6 IM 704210 01E 10 3 Outputting the Monitor Signal Connecting a BNC cable Explanation For a description of the function refer to 1 7 Connect a BNC cable to the monitor output terminals MONITOR OUT CHA CHB provided on the rear panel of the instrument The measuring signal input to CHA is output from the MONITOR OUT CHA terminal constantly and the measuring signal input to CHB is output from the MONITOR OUT CHA terminal constantly Monitor output circuit 5V MONITOR OUT A 50 Q CHA monitor CHB monitor output terminal output terminal 502 502 A BV Output impedance 50 Q typical Output voltage level Approx 1 4 of the measuring input signal within 5 V when
107. els of the instrument Make sure that no measurement is currently being carried out When an abnormality occurs during execution of a test item The instrument is faulty Contact your nearest YOKOGAWA representative listed on the rear cover of this manual for repair Board test Display example ESC BOARDTEST EXECUTED ROM RAM Check CPU board TEST MEASURE board TEST ACQ board TEST INPUT board TEST Uer 1 10 When the following warning message appears during board test If LOW BATTERY warning message appears replacement of the lithium batteries is required If CALIBRATION DATA LOST warning message appears calibration data may have been lost Thus re calibration is required Replacement of the lithium batteries and re calibration should not be carried out by the user so contact your nearest YOKOGAWA representative listed on the rear cover of this manual LOU BATTERY CALIBRATION DATA LOST Warning message Note eee An error may occur if board test is carried out during measurement Key rotary knob test Display example ESC 11 6 IM 704210 01E 11 4 Executing the Self test Touch key test Display example 11 21 31 41 51 12 22 32 42 52 13 23 33 43 53 14 24 34 44 54 15 25 35 45 55 16 26 36 46 56 1 2 3 4 5 18 28 38 48 58 19 29
108. emory The time variation display function uses this time series data to display variation of measured values in relation to the elapsed time following the arming Span of Y axis 20 ns in this example 18n positive displacement from the Y axis center value of Y axis measured value a a Center value e of Y axis m a negative displacement from the i a 18M center value of Y axis e es amp BEDLITE i Minimum value Maximum value of X axis of X axis positive displacement from the minimum value of X axis X axis elapsed time Span 400 us in this example 1 13 IM 704210 01E 1 6 Displaying the Measured Computed Data List Display For operating procedure refer to 7 6 A list of measured values is displayed This function enables the user to jump to the top or bottom data in the list and set data numbers to locate display the measured value of the desired data number The contents of the list vary according to the selected sampling mode Time stamp mode A list of time stamps and their measured values for the number of events time range specified in gating setting see 1 5 is displayed Time stamp Measured value g S E f m 3 8oo xoonosrow gd 3 go e The data number of the highlighted data is displayed Hardware histogram mode A list of measured values class values of histogram and their frequency within the span of X axis specified in histo
109. emperature drift or an external reference signal input to the Reference IN terminal can be used as the reference clock In either case the reference clock is output through the 10 MHz band pass filter to the Reference OUT terminal IM 704210 01E 1 1 1 2 Measuring Principles and Sampling Mode Measuring Principles Time shorter than the period of the reference clock is called fractional time In general since the signal to be measured is not synchronized with the reference clock fractional time exists at both beginning and end of measurement This instrument generates a fractional pulse comprised of the fractional time and the time equivalent to one cycle of the reference clock With the pulse width of the signal to be measured period of the reference clock and time span of each fractional pulse assumed to be T to Ta and Tb respectively T can be separated into multiplication of the period of the reference clock N to and period of each fractional pulse Ta and Tp as shown below T Neto Ta Tb With this instrument Ta and Ty the time of fractional pulses generated at the beginning and end of measurement are converted into a voltage value which is then converted into a digital value by a 8 bit A D converter This enables measurement of the time of fractional pulse with time resolution of 100 ps per 1 LSB T is calculated by substituting the measured time of each fractional pulse for Ta and Tp of the above formula
110. enu keys UTILITY Top Menu MODE VWilluudd 296 07 06 08 5 8 FUNC PERI A GATE SIZE 188 MODE H HIST ITUL MIN AUTO SCALE FUNCTION 1splays the error log window pd Displays th log wind DISPLAY SAMPLE Displays the software version 18ns 1 08883us 18ns m map g Curt mum dd iyu Selects the UTILITY menu mm T ogoggtus BEER PESE 1 Press the UTILITY key to display the UTILITY top menu 2 Press the NEXT touch key to display NEXT 2 3 on the key Displaying clearing messages 3 Press the ERROR LOG touch key to display the error log window 4 If there are so many warnings messages that they cannot be displayed on the screen at the same time turn the rotary knob to scroll the messages To clear the messages press the CLEAR touch key Dur To close the error log window press the OK touch key Error log window TILITY a ese Sie i o ERROR UARNING LOG e 1 113 Undefined header Displays warning messages nn Clears the messages Closes the error log window Explanation If a warning message s or a communications related message s occurs the warning mark will appear as shown below In this case you can refer to the message s whenever you want by opening the error logging window Warning mark MODE DISPLAY 1996 67 66 15 27 o FUNC PERI B GATE SIZE 188 MODE H HIST ITUL MIN EETTTITESEEEN Note Communica
111. ept for communications related error messages and the corrective action to be taken in addition to the meaning of each warning message For communications related error messages refer to the GP IB Interface User s Manual 1M704210 12E Error Messages Error messages except for those related to communications are displayed in the center of the screen Error messages related to communications are displayed in the error log window like warning messages No Message Reference Section 602 No disk inserted 9 1 No floppy disk is inserted in the floppy disk drive Insert an appropriate disk 604 Floppy disk isn t formatted 9 2 Floppy disk has not been formatted Format it 605 File not found us File does not exist Check the file 606 Disk is write protected Floppy disk is write protected Remove write protection 609 Same file already exists A file with the same file name exists Assign another name to the file and save it 610 InValid file name 9 3 9 4 9 5 The filename is incorrect Enter the correct name 612 Disk is full 9 2 Floppy disk has insufficient space Use a new floppy disk 615 Disk format failure 9 2 Formatting of the disk failed Format it again 620 File access failure An abnormality has occurred during access to the file The file is probably damaged 621 InValid data format Data format is invalid Check the file 671 Measurement is in
112. equired Prepare the following instruments Synthesized signal generator Frequency range 10 MHz to 50 MHz or higher Output level 720 mVims or higher Output level accuracy 1 5 dBm or better Recommended instrument 8657B synthesized signal generator by HP Power divider Characteristic impedance 50 Q Recommended instrument 700966 power divider by Yokogawa Test method for the A to B interval resolution using the above recommenced instruments is given below Connecting the instruments Make sure that the power to each instrument is OFF then connect the instruments to each other as illustrated below Connect the output of the synthesized signal generator to the input terminal CHA or CHB of the TA320 via the power divider The coaxial cable used between the power divider and input terminal CHA and that used between the power divider and input terminl CHB must have the same length TA320 Synthesized signal generator 8657B REFERENCE IN E REFERENCE OUT Ti a omar m m m i o C ooo t LJ D OOO Boao O o BHB DEO B O00 OOO c E a oOo OF 000 O00 z CHA OUTPUT POWER DIVIDER Setting the instruments TA320 Sampling mode Hardware histogram mode Input settings DC coupling 50 Q both CHA and CHB trigger level OV Function A to B interval Gate Event 1000000 Refe
113. f Frequency 8657B Avarage Value Standard Deviation Measured Value Allowable Range Measured Value Allowable Range 10MHz 48 4 ns to 51 3 ns 20MHz 23 7 ns to 26 3 ns 320ps or less 310ps or less 11 18 IM 704210 01E 11 7 Circuit Breaker N CAUTION If the circuit breaker is activated to cause the power to be turned OFF an abnormality has occurred with the internal circuitry If the circuit breaker cannot be reset do not try to reset it Contact your nearest YOKOGAWA representative listed on the back cover of this manual Location of the circuit breaker A circuit breaker is provided on the rear panel of the instrument instead of a power fuse to protect the internal circuitry For the location of the circuit breaker refer to 2 2 Rear Panel Function of the circuit breaker If the instrument is over loaded causing an excessive current to flow through the internal circuitry the circuit breaker will be activated to cause the power to be turned OFF In this case the reset button of the breaker will pop up exposing the white indicator section White indicator section Circuit breaker s reset button Resetting the circuit breaker If the circuit breaker is activated and the power is turned off wait approx one minute then push in the reset button to resume operation If an over load still occurs the trip free mechanism will be activated hindering the reset button from returning to the
114. f X2 marker i Y2 Y axis coordinate of X2 marker frequency of X2 N WINDOW calculation area Total number of samples present within the window 2ns 1 8888us 2ns MARKER calculation area Number of samples present ELA 1 6806Us 2 0338 between X1 and X2 markers With a certain center value and span of X axis markers may be located in an area which does not actually exist For instance if the center value of X axis is set to 10 ns and span of X axis is set to 3 2 us the window will contain minus measurement data area If the markers are located in this area asterisks will be displayed instead of the X axis coordinates Setting the calculation function Selecting the area Select WINDOW or MARKER The item indicated by N at the bottom of the screen varies according to the selected calculation area Setting constant T Setting range 10 to 999 9 ns Selecting the polarity to be used for display statistical computation This menu is displayed only if fe is selected for pulse width measurement Select the desired polarity from the following to be used for display histogram time variation or statistical computation 4 Displays or performs statistical computation for the positive side only IJ Displays or performs statistical computation for the negative side only eJ Displays or performs statistical computation for the both positive and negative sides However computation will be performed for
115. fference or duty ratio can be set for the X axis and frequency for the Y axis manually they can be set automatically using the auto scaling function The following items can be set manually Center value of X axis Span of X axis Y axis scale linear or logarithmic scale Maximum value of Y axis Space between the center values of X axis This setting is required when you are using the multi window function in hardware histogram mode For a description of the multi window function refer to Multi window on this page Histogram displayed when time stamp mode is selected or when hardware histogram mode is selected and only one window is used i e multi window function is OFF A histogram is displayed according to the settings made for the above items If a class has a time span for instance if the minimum and maximum values in the class are 505 ns and 515 ns respectively 510 ns will be treated as the class value and samples in this class are all considered as 510 ns If the measured values in this class are all the same they will be treated as the class value Each value given along the X axis as shown below indicates either the class value or displacement A histogram is created as the number of samples in each class are accumulated Y axis scale logarithmic scale is used in this example Each bar is called a bin Y axis frequency nene 1 880881us 1nz Clas l Left end value of X axis
116. ft and move the instrument first disconnect the power cord and connecting cables Lift and carry by the handle as shown The instrument weighs approximately 5kg Never touch the LCD touch screen with pointed objects Contact with sharp objects may cause damage Never clean plastic parts with benzene or other such solvents as these may cause discoloration To clean the case or panel wipe lightly with a soft dry cloth IM 704210 01E juswainseayy Bunes 310429 B 3 2 Installing the Instrument A WARNING You should never run the instrument in an upright position with the fan vent facing downward If the instrument malfunctions while in this position heat escaping from the vent may cause a fire If you really need to operate the instrument in this position place a metal plate or flame retardant barrier grade UL94 1 or higher beneath it O X Installation Conditions Be sure to install the instrument in a location that meets the environmental conditions described below Ambient temperature and humidity Ambient temperature and humidity during operation should be within the following limits Temperature 5 C to 40 C For high accurate measurement 23 2 C Humidity 20 to 80 RH no condensation For high accurate measurement 50 10 RH Note 000000 Condensation may occur when the ins
117. g saving in 9 3 File menu Displays the save load menu Selects the measurement results Selects the data type IM 704210 01E 9 7 ysiq ddojJ e wou ejeg eui Buipeo pue Burnes e 9 4 Saving and Loading the Measured and Computed Data Loading the measurement results 9 After step 6 press the SAVE LOAD touch key to display the save load menu 10 Refer to Loading the setup information in 9 3 Saving the statistical computation results Selecting the item to be saved 11 After step 4 turn the rotary knob to highlight ITEM STAT on the ITEM touch key Setting the file name 12 Refer to Setting the file name in 9 3 Performing saving 13 Refer to Performing saving in 9 3 File menu SAVE gt LOAD o ITEM STAT Displays the save load menu Selects the statistical computation results A SETUP 9 8 IM 704210 01E 9 4 Saving and Loading the Measured and Computed Data Explanation Saving the measurement results Selecting the data type Select the desired data type from the following BIN The measurement results are saved in binary format Once they are saved they can be loaded to the instrument TEXT Hardware histogram mode Values representative values in the histogram window and their frequency are saved in text format They cannot be loaded to the instrument after they are saved Time stamp mode AII the data time stamps and measured values of a m
118. gram display setting is displayed Class value Frequency Data number MEASURE FREQUENCY 74 75 76 77 78 79 80 81 82 The data number of the 83 1 9906us Es highlighted data is displayed Statistics Display For operating procedure refer to 7 7 and 7 8 A list of statistic values is displayed For statistical computation items computation and computation area refer to 1 4 Computation The contents of the list vary according to the selected sampling mode Time stamp mode No computation is carried out for jitter 1 o T and jitter 2 MELE so no results are displayed Statistical computation item Statistic value Statistical computation area The entire window is used for statistical computation in this example MARKER will be displayed if the area enclosed by the markers is used for statistical computation No computation is carried out for jitter 1 and jitter 2 1 14 IM 704210 01E 1 6 Displaying the Measured Computed Data Hardware histogram mode A bar graph indicating the standard deviation o is displayed below the list The bar graph range maximum value can be selected see below Statistical computation area The area enclosed by the markers is used for statistical computation in this example WINDOW will be displayed if the entire window is used for statistical computation Statistical computation item Statistic value suonoun4
119. h key to display NEXT 2 3 on the key 4 Press the REF CLOCK touch key to display the reference clock menu 5 Press the INTERNAL or EXTERNAL touch key The highlighted reference clock will be selected Reference clock menu TOA Selects the internal reference clock signal EXTERNAL selects the external reference clock signal IM 704210 01E 10 5 suonoung 13410 Puis Hi 10 2 Inputting and Outputting the Reference Signal Explanation Connecting a BNC cable Connect a BNC cable to the reference input terminal REFERENCE IN and reference output terminal REFERENCE OUT provided on the rear panel of the instrument REFERENCE IN OUT Reference input terminal 10MHz 1Vp p 10MHz 1Vp p Reference output terminal Reference input circuit Reference output circuit A 100pF 1 5kQ 500 470pF A 22kQ v nputting the external reference clock signal Input the external reference clock signal to the reference input terminal REFERENCE IN Input frequency range 10 MHz 10 Hz Input impedance 1 kQ min Input coupling AC Input voltage level 1 Vp p min Maximum input voltage 10 V N CAUTION Never apply a voltage exceeding the maximum input voltage to the reference input terminal Damage to the input terminals may result Outputting the reference clock signal The reference clock signal is output from the reference output terminal The reference clock selected as described in S
120. he auto setup menu ysiq ddojJ e wou ejeg eui Buipeo pue Burnes e IM 704210 01E 9 5 9 3 Saving Loading and Auto Loading the Set up Information Explanation Set up information to be saved Settings made and selected using touch keys rotary knob and ten key are saved In addition the set up information stored in the internal memory is also saved in the auto load file File name extension and directory An extension SET is attached to the file name automatically and the file is saved in the directory TA_SETUP The auto load file is called AUTOLOAD SET and saved in the root directory Data size Each set up information requires approximately 8 KB The auto load file can contain data of approximately 50 KB in total Checking the free space available on a floppy disk Refer to 9 2 Entering the file name The file name must consist of 8 or less characters The following characters can be used for file name Alphabets capital letter numerical values minus _ under bar The following file names cannot be used due to restrictions on MS DOS AUX CON PRN NUL CLOCK Saving under a file name already existing in the same directory is not allowed Overwriting is not allowed Note Loading is not possible during measurement i e while the START indicator is ON f the extension of a file name is changed using a personal computer etc it will be impossible to load that file CA
121. he offset voltage of each input amplifier and conversion factor of each T V converter can be carried out using the internal calibration signal 1 16 IM 704210 01E 1 7 Other Functions Numeric Value Setting For operating procedure refer to 4 2 Contrast Touch key Sound Error Logging Self test A numerical value can be entered using the ten key displayed when the KEYBOARD key is pressed while a small ten key icon is displayed on the left of the currently highlighted touch key This is useful when you need to set a value consisting of several digits If a small icon is displayed a numerical value can be entered using the rotary knob Small rotary knob icon Lim CONST T ib ons Small ten key icon For operating procedure refer to 10 6 The contrast of the LCD display can be adjusted Adjust it so that it suits the environment in which the instrument is used For operating procedure refer to 10 7 A beeping sound is heard when a touch key is pressed touched or an error occurs It is possible to disable this beep For operating procedure refer to 11 3 mark appears in the upper right corner of the screen if a data error such as overflow of measured data occurs or a communication error occurs Error messages are recorded in the error logging window to enable the user to observe them later For operating procedure refer to 11 4 In case of a problem a self test can be carried out
122. he power switch OFF and then check the following points Check whether the power cord is plugged in properly Check whether the correct voltage is being supplied from the AC outlet Refer to 3 3 Check whether the circuit breaker is ON Refer to 11 7 If the above checks do not resolve the problem contact your nearest YOKOGAWA representative listed on the rear cover of this manual For Accurate Measurement Turn the power switches ON and allow the unit to warm up for at least 30 minutes Make sure that the installation conditions given in 3 2 are met Power OFF Operation The set up information made prior to turning OFF the power will be retained even if the power is turned OFF However measured data will not be retained so make sure that necessary data is saved to a floppy disk before turning the power OFF Note The set up information is backed up by a lithium battery The battery lasts for approximately 10 years if it is used at an ambient temperature of 23 C When the battery approaches the end of its life the instrument begins to display incorrect dates or times or may fail to save or recall measured data correctly If any such problem is noticed execute a self test as described in 11 4 Executing the Self test If LOW BATTERY warning message is displayed during the self test the battery needs to be replaced immediately The battery cannot be replaced by the user so contact the nearest YOKOGAWA representative
123. ical value is described in terms of typical of average performance However they cannot be guaranteed External gate input circuit shared with the external arming signal 5V EXT ARM A N Enteral srei 500 Q xternal arming input terminal M VVV TTL 74LS14 or equivalent 10k o CAUTION Never apply a voltage exceeding the maximum input voltage to the external arming input terminal EXT ARM IN Damage to the terminal may result Setting range for the number of events The setting range varies according to the selected sampling mode This setting is available only when EVENT gate is selected For time stamp mode Period time interval or pulse width measurement 1 to 32 000 Phase difference or duty ratio measurement 1 to 16 000 For hardware histogram mode 1 to 99 999 999 Note LLL Measurement of one block will be forced to end when 320 seconds maximum sampling time elapse following the arming even if the number of events specified in sampling mode has not been reached Setting range for gate time The gate time can be set within the following range This setting is available only when TIME gate is selected 1 us to 10s Note Setting resolution varies depending on the value to be set For details refer to 12 2 Measurement of one block will be forced to end if the number of events for the block reaches the maximum number of events for the selected sampling mode even if the prese
124. ing Phase Difference Measurement For a description of the function refer to 1 3 To exit from the current menu press any of the top menu keys or press the ESC touch key displayed on the screen FUNCTION Top Menu MODE la TIT 1996 07 086 61 46 FUNC PHAS ABGATE SIZE 1000 MODE T STMP ITUL MIN AUTO SCALE FUNCTION HASE Displays the measurement function menu 16 DISPLAY CHA B is always used as the pattern e SLOPE SAMPLE afBf Selects the slope edge 15dS 344 42de9 15dS INPUT x1 329 42de9 Y1 8 X2 359 42d68 Y2 162b IU TN DOL UBUTY STAT dor 344 82648de9 6 45165de3 1 Press the FUNCTION key to display the FUNCTION top menu Selecting phase difference measurement 2 Press the FUNC touch key to display the measurement function menu 3 Press the PHASE touch key to select phase difference measurement The screen will return to the FUNCTION top menu when the PHASE touch key is pressed Selecting the slope edge 4 Press the SLOPE touch key to highlight SLOPE 5 Turn the rotary knob to select the desired slope type Measurement function menu Selects phase difference measurement These keys are displayed for time stamp mode only IM 704210 01E 5 8 5 5 Setting Phase Difference Measurement Explanation Measurement range Measurement range is shown below This measurement is available only when time stam
125. ing signal 5V EXT ARM A N 500 Q External arming input terminal TTL 74LS14 or equivalent 10kQ V N CAUTION Never apply a voltage exceeding the maximum input voltage to the external arming input terminal EXT ARM IN Damage to the terminal may result IM 704210 01E 6 7 peunsee y eq 0 jeus 1nduj 10 suonipuo uonisinboy y Buras LE 6 3 Setting the Arming Source Slope and Delay Types Selecting the slope edge Select the desired slope from the following This is required only if EXT has been selected as the arming source e Causes arming at a rising edge of the external arming signal 4 Causes arming at a falling edge of the external arming signal Selecting the arming delay type Select the desired arming delay type from the following This setting is available only when EXT arming is selected OFF Selection setting of arming delay is disabled Arming delay will not be performed TIME Time delay EVENT Event delay Setting the delay time The delay time can be set within the following range This setting is available only when TIME arming delay is selected lustols Note 0 000 00 Setting resolution varies depending on the value to be set For details refer to 12 2 Selecting the number of events to be delayed Select from the following This setting is available only when EVENT arming delay is selected 1 2 3 4 5 6 7 8 9 10 20 30 40 50 60 70 80 90 100 2
126. key Selecting the item to be deleted 4 Press the FILE touch key to display the file menu 5 Turn the rotary knob to highlight the desired item on the ITEM touch key The highlighted item to be deleted will be selected Selecting the name of the file to be deleted 6 Press the SAVE LOAD touch key to display the save load menu 7 Turn the rotary knob to highlight the file to be deleted 8 Press the DELETE SET touch key An asterisk will be displayed on the left of the selected file name indicating the file to be deleted has been selected Pressing the DELETE SET touch key again causes the asterisk to disappear indicating that selection of the file has been canceled Performing deletion 9 After the file to be deleted has been selected press the DELETE EXEC touch key to delete the file File menu Save load menu VUTWUVE 996 07 16 02 2 8 FUNC PERI A GATE SIZE MODE H HIST ITUL SAVE Displays the save load menu Selects the item to be deleted Selects the file to be deleted Performs deletion IM 704210 01E 9 13 ysiq ddojJ e wou ejeg eui Buipeo pue Bunes e 9 7 Deleting Saved Data Explanation To delete data file select the file type item according to steps 4 and 5 then select the name of the file to be deleted Note LLL Once data is deleted it will not be possible to recover the data again So take special care not to delete the wrong file
127. key is pressed while the current one block measurement is in progress the data measured until the STOP key is pressed will be acquired and measurement will be stopped An indicator is provided above each input terminal CHA CHB The indicator should blink while a signal is input to the corresponding input terminal If the indicator does not blink check whether the trigger level is correct see 6 1 whether the input cable is connected properly or whether the signal is present If the indicator does not blink even if a correct signal is input to the terminal the instrument may be faulty Contact your nearest YOKOGAWA representative listed on the rear cover of this manual IM 704210 01E 4 1 4 2 Setting Numerical Values Procedure For a description of the function refer to 1 7 To exit from the current menu press any of the top menu keys or press the ESC touch key displayed on the screen Numerical Input Menu MODE FUNCTION DISPLAY SAMPLE INPUT UTILITY IaESJA bal 996 67 66 68 15 MODE H HIS AUTO SCALE SINGLE START STOP KEY BOARD COPY LOCAL Setting a numerical value using the ten key A numerical value can be entered using the ten key while a small ten key icon is displayed on the left of the currently highlighted touch key 1 2 3 Press the KEYBO
128. librating the Instrument e e dea roD Ee tob tt D bere dee in deett 10 10 10 6 Setting the Screen Contrasto yi ee ette e ee e ES IE One derit 10 11 10 7 Turning the Touch key Sound ON OFF sessi E REENER 10 12 8 IM 704210 01E Contents Chapter 11 11 1 11 2 11 3 114 A 115 AN 116 A 117 Chapter 12 12 1 12 2 12 3 12 4 12 5 12 6 12 7 12 8 12 9 12 10 12 11 Index Troubleshooting and Maintenance Tro bleshoottnlg nere RE ERE RE EN Dp ERE e E REED te ds 11 1 WASE e E 11 2 Using the Error Logging Function Executing the Self test oer n ad O E A E EEA Adjusting the Time Base ao tree e dee bee eroe e e ede aaa Aet bitte Carrying out the Performance Test dence SEB EA a aed aid ohana ERO RR 11 9 Circuit Breake oo ea i D ER b p tcd OO p EP ote ed 11 19 Specifications Measuring Inputs and Trigger co erg reet tremere eee ient er Eds 12 1 Measurement Functions Measurement Items ccccccccssccessccessecesseccessecessecessecesseecesecessecessseceaecessesenseeees 12 2 Gate Arming Inhibitores Ee tese va te iter er aaea 12 4 Ip PL M 12 5 Inputs Outputs Rear Panel ss sits prn rene HMRDCRUe EPI 12 7 GPIB Interface aon Sensis Sete B URGE eR ee ee ree eire 12 8 Time Bases ended Ee E e p ded eil e e ten E P ree 12 8 Internal Memory Function rire PR Ear op eer 12 8 Built in Floppy Disk Diyetin ned ebbe ne bti ette pe eei e den ee fee
129. loppy disk and delete data Chapter10 Using Other Functions Describes how to output measured data to a plotter input output the reference signal output monitor signals initialize the set up information calibrate the instrument set the screen contrast and set the touch key sound Chapter11 Troubleshooting and Maintenance Describes corrective actions to be taken in case of problems and their causes describes error messages how to use the error logging and self test functions adjust the time base carry out the performance test and reset the circuit breaker Chapter12 Specifications Describes the specifications of the instrument Index Describes important terms IM 704210 01E Notations and Symbols Used in this Manual Unit k 1000 e g 100 kHz K 1024 e g 640 KB floppy disk memory capacity Symbols Used The following symbols are used in this User s Manual AN WARNING CAUTION Note To avoid injury or death of personnel or damage to the instrument the operator must refer to the User s Manual In the User s Manual these symbols appear on the pages to which the operator must refer Describes precautions that should be observed to prevent the danger of serious injury or death to the user Describes precautions that should be observed to prevent the danger of minor or moderate injury to the user or the damage to the property Provides information that is important for proper operation of
130. mV slowly When the input indicator lights up record the trigger level as VL Set the trigger level to 3 900 V Increase the trigger level in steps of 5 mV slowly When the input indicator lights up record the trigger level as VH Calculate the mean value of the VL and VH and check that the mean value is within the allowable range VTRIG VL VH 2 Set the output of the 7651 to 2 000 C 0 V 2 000 V and 4 000 V at a time and carry out the same test 10 Repeat steps 1 to 9 for the channel CHB Test results CHA Output voltage 7651 VL VH VTRIGAllowable Range 4 000V 3 83V to 4 17V 2 000V 1 91V to 2 09V 0 000V 0 01V to 0 01V 2 000V 2 09V to 1 91V 4 000V 4 17V to 3 83V CHB Output voltage 7651 VL VH VTRIGAllowable Range 4 000V 3 83V to 4 17V 2 000V 1 91V to 2 09V 0 000V 0 01V to 0 01V 2 000V 2 09V to 1 91V 4 000V 4 17V to 3 83V 11 10 IM 704210 01E 11 6 Carrying out the Performance Test Testing the Input Sensitivity Instruments required Prepare the following instruments Synthesized signal generator Frequency range 10 MHz to 50 MHz or higher Output level 720 mVims or higher Output level accuracy 1 5 dBm or better Recommended instrument 8657B synthesized signal generator by HP Test method for the input sensitivity using the above recommenced instruments is given below Connecting the instruments Make sure th
131. mbient temperature 23 2 C Ambient humidity 50 10 RH Supply voltage frequency Within 196 of the rated voltage frequency Warm up time Approx 30 minutes Storage environment Temperature 20 to 60 C Humidity 20 to 80 RH no condensation allowed Operating environment Temperature 5 to 40 C Humidity 20 to 80 RH no condensation allowed Rated supply voltage 100 to 240 VAC Permitted supply voltage range 90 to 264 VAC Rated supply voltage frequency 50 to 60 Hz Permitted supply voltage frequency range 48 to 63 Hz Power consumption 125 VA max Withstand voltage between power supply and case 1 5 kVAC for 1 minute Insulation resistance between power supply and case 10MQ min at 500 VDC Signal ground All the input output connectors must be grounded to the case External dimensions Approx 213 W x 132 H x 350 D mm excluding projections Weight Approx 5 kg main unit only Cooling method Forced air cooling Installation position Horizontal Placing instruments one on top of the other is not allowed Battery back up Set up information and clock data are backed up by internal lithium batteries Standard accessories Power cord 1 Rubber foot 2 e User s Manual 1 this manual GP IB Interface User s Manual 1 IM 704210 01E 12 9 suoneoyiooeds 12 11 External Dimensions
132. measurement 1 5 10 50 100 Selecting the Y axis scale LIN Linear scale LOG Logarithmic scale Selecting the maximum value of Y axis The maximum value of Y axis varies according to the selected Y axis scale e LIN 10 20 40 100 200 400 1000 2000 4000 10000 20000 40000 1e5 1e6 1e7 1e8 up to 32000 in the case of time stamp mode e LOG 1el 1e2 1e3 1e4 1e5 1e6 1e7 1e8 e g 1e2 indicates 10 up to 1e5 in the case of time stamp mode IM 704210 01E ejeg peinduio2 paunsee y ay Buiejdsig H 7 1 Setting the Histogram Display Function and Reading the Data Readout Setting readout parameters Turning marker display ON OFF ON Displays the markers OFF Displays no markers XI MARKER X2 MARKER and MOVEMENT touch keys are also not displayed Movable range of X1 marker The X1 marker can move about within the window as long as it is located on the left of X2 marker They can be located in the same position Movable range of X2 marker The X2 marker can move about within the window as long as it is located on the right of X1 marker They can be located in the same position Selecting the marker speed e y Causes the markers to move within the window every dot yy Causes the markers to move within the window every 5 dots Window X1 X axis coordinate of X1 marker 4 I 5 18 H Y1 Y axis coordinate of X1 marker frequency of X1 X1 marker i TAE d X2 marker X2 X axis coordinate o
133. memory number 3 Turn the rotary knob to select the desired memory number Storing the set up information 4 Press the STORE touch key to store the set up information into the selected memory Store recall menu ESC STORE RECALL au kol Selects the memory number Stores the set up information RECALL Explanation Set up information to be stored Settings made and selected using touch keys rotary knob and ten key are stored Selecting the memory number Select the desired memory number from the following 10 numbers If set up information already exists in the selected memory it will be overwritten by the new set up information 0 to 9 Note eee The stored set up information will not be deleted even if initialization is carried out Aowa jeuJ91u BY W014 uoneunojuj dn jes euj Huljjeday pue Huliojs e IM 704210 01E 8 1 8 2 Recalling the Set up Information from the Internal Memory Procedure Explanation For a description of the function refer to 1 7 To exit from the current menu press any of the top menu keys or press the ESC touch key displayed on the screen UTILITY Top Menu MODE JUTWVUEM 995 07 06 02 37 FUNC PERI A GATE SIZE 100 MODE H HIST ITUL MIN FUNCTION INIT 1 DISPLAY Send I Displays the store recall menu gt SAMPLE CONF IG 1 SELF mms 18ns 1 0003us 18ns TEST Bo app g ite N 108 NEXT EN AE
134. mmenced instruments is given below Connecting the instruments Make sure that the power to each instrument is OFF then connect the instruments to each other as illustrated below Connect the output of the DC voltage generator to the input terminal CHA or CHB of the TA320 TA320 DC voltage generator 7651 m a Il E OUTPUT Il Il c CHA Setting the instruments TA320 Input settings DC coupling 1 MQ trigger level OV e 7651 Output level 4 000V 2 000V 0V 2 000V 4 000V Note If a noise is generated due to the environment connect a capacitor 1 uF between the signal cable and ground IM 704210 01E 11 9 vueuauien pue BunooysajqnoiL LE 11 6 Carrying out the Performance Test Testing method Wait for 30 minutes after the TA320 is turned ON This test compares the input DC voltage to the trigger level set on the TA320 to test the trigger level tolerance The trigger level is observed by monitoring the input indicator of the TA320 Testing procedure Connect the output of DC voltage generator 7651 to the CHA of the TA320 AG Tc posts ces Set the output level of the 7651 to 4 000 V Set the trigger level of the TA320 to 4 100 V Set the TA320 ready for measurement Decrease the trigger level in steps of 5
135. nal of this instrument Connect the other end of probe to the CAL signal output terminal of the DL1540 and the grounding wire of the probe to the function grounding terminal of this instrument MONITOR OUT terminal BNC cable DL1540 50Q terminator Input terminal CAL signal output terminal Phase correction hole NL Function grounding terminal IM 704210 01E 1ueuieunseo y Bunes 310429 B 3 6 Compensating a Probe Carrying Out Phase Correction 1 Turn ON the power to both this instrument and DL1540 2 Set the waveform acquisition conditions of the DL1540 so that the waveform of approximately two periods is observed clearly For setting method refer to the User s Manual of the DL1540 3 Insert a screwdriver into the probe s phase correction hole and turn the variable capacitor to produce correct square waves on the waveform monitor Explanation Necessity of probe phase correction If the probe s input capacitance is out of the appropriate range the gain will not be constant across different frequencies preventing input of the correct waveforms The input capacitance varies depending on the probe used so the variable capacitor trimmer provided on the probe must be adjusted This is called phase correction Phase correction must be performed when the probe is to be used for the first time Moreover the appropriate input capacitance varies depending on which channel is used s
136. ncorrect reference signal Check the reference signal 10 2 Data cannot be saved to a Floppy disk has not been formatted When you are using a new floppy disk it 9 2 floppy disk must be formatted Floppy disk is not properly inserted into Insert it until the eject button pops up 9 1 the floppy disk drive Floppy disk is write protected Remove write protection Insufficient space on floppy disk Delete unnecessary files or use another 9 1 9 2 9 7 floppy disk Data cannot be loaded from Floppy disk is not properly inserted into the Insert it until the eject button pops up 9 1 a floppy disk floppy disk drive Attempted to load data during measurement Stop or interrupt the current measurement 9 3 9 4 then load the data Refer to the GP IB Interface User s Manual IM704210 12E IM 704210 01E 11 1 eoueuojure y pue Bunoouse qnoJ 11 2 Messages The following three kinds of message may appear on the screen Error messages Displayed when an attempt is made to execute an operation which is not executable or when an abnormality occurs with the instrument Warning messages Displayed when the instrument is in such a state that the user needs to be warned e g when the measurement data overflows Status messages Displayed to indicate the current state of the instrument They are displayed at the bottom of the screen e g AUTO LOADING This section describes the cause of each error message exc
137. nd is produced when a touch key is pressed 10 12 IM 704210 01E 11 1 Troubleshooting For a description of corrective actions to be taken when a message appears on the screen refer to Section 11 2 Messages f maintenance service is required or if the instrument still does not operate properly even after the following corrective action has been taken contact your nearest YOROGAWA representative listed on the back cover of this manual Symptom Possible Cause Corrective Action Reference Section The power does not come ON The source voltage is outside the rated range Connect the instrument to a source of the 3 3 correct voltage Circuit breaker is activated Check for the cause then reset the circuit 11 7 breaker Nothing is displayed The screen is extremely dark Adjust the contrast 10 6 The screen is extremely cold Make sure that the ambient temperature is 5 C or higher Display is odd Instrument is abnormal Turn ON the power again Keys do not function Instrument is in remote mode Press the LOCAL key to activate local mode Measurement cannot be Incorrect trigger level Set the correct trigger level 6 1 carried out No measuring channel is selected Check the measuring channels 5 2 to 5 6 Allowable measuring range is exceeded Check the measuring range 5 2 to 5 6 Incorrect arming Check the arming setting 6 3 Incorrect inhibit Check the inhibit setting 6 4 I
138. nd standard deviation are within the allowable range using the period measurement function of the TA320 Carry out the same test for both channels CHA and CHB f measurement using 50 MHz is possible the minimum input pulse width can be tested Test results CHAT Frequency 8657B Avarage Value Standard Deviation Measured Value Allowable Range Measured Value Allowable Range 10MHz 99 7 ns to 100 3 ns 320ps or less 20MHz 49 7 ns to 50 3 ns 310ps or less 40MHz 24 7 ns to 25 3 ns 300ps or less 50MHz 19 7 ns to 20 3 ns 300ps or less s CHAY Frequency 8657B Avarage Value Standard Deviation Measured Value Allowable Range Measured Value Allowable Range 10MHz 99 7 ns to 100 3 ns 320ps or less 20MHz 49 7 ns to 50 3 ns 310ps or less 40MHz 24 7 ns to 25 3 ns 300ps or less 50MHz 19 7 ns to 20 3 ns 300ps or less s CHB Frequency 8657B Avarage Value Standard Deviation Measured Value Allowable Range Measured Value Allowable Range 10MHz 99 7 ns to 100 3 ns 320ps or less 20MHz 49 7 ns to 50 3 ns 310ps or less 40MHz 24 7 ns to 25 3 ns 300ps or less 50MHz 19 7 ns to 20 3 ns 300ps or less CHB 4 Frequency 8657B Avarage Value Standard Deviation Measured Value Allowable Range Measured Value Allowable Range 10MHz 99 7 ns to 100 3 ns 320ps or less 20MHz 49 7 ns to 50 3 ns 310ps or less 40MHz 24 7 ns to 25 3 ns 300ps or less SOMHz 19 7 ns to 20 3 ns 300ps or less 11 14 IM 704210 01E 11 6 Carrying
139. ndow function can be set only when hardware histogram mode is selected as the sampling mode Selecting multi window SINGLE Turns OFF the multi window function The MODE and SIZE touch keys will not be displayed MULTI Turns ON the multi window function The MODE and SIZE touch keys will be displayed Selecting the multi window mode This setting is available when MULTI is selected Select the method of setting the X axis for each window AUTO Applies the span of X axis set for window 1 using the X axis Y axis menu to window 2 and other windows A menu for setting the space between center values of X axis will appear as shown below MAN Allows the user to set the center value and span of X axis for each window individually using the X axis Y axis menu The menu for setting the space between center values of X axis will not appear When AUTO multi window mode is selected X axis Y axis menu for window 1 Indicates that a total of ux 9 windows are available Hi X CENTER and window 1 is currently displayed X SPAN pls 166ns U SPACE Sets the space between center AE 11g 0ns f values of X axis 9 Y HIGH Y AXIS LIN I When MANU multi window mode is selected X axis Y axis menu for window 1 Indicates that a total of 9 windows are available and window 1 is currently displayed X axis Y axis menu for window 2 and others ndicates that a total of 9 wind
140. ng to prevent an electric shock before turning ON the power Necessity of Protective Grounding Never cut off the internal or external protective grounding wire or disconnect the wiring of protective grounding terminal Doing so poses a potential shock hazard Defect of Protective Grounding and Fuse Do not operate the instrument when protective grounding or fuse might be defective Do not Operate in an Explosive Atmosphere Do not operate the instrument in the presence of flammable liquids or vapors Operation of any electrical instrument in such an environment constitutes a safety hazard Do not Remove any Covers There are some areas with high voltages Do not remove any cover if the power supply is connected The cover should be removed by qualified personnel only External Connection To ground securely connect the protective grounding before connecting to measurement or control unit IM 704210 01E Structure of the Manual This User s Manual consists of 12 chapters and an Index as described below Chapter1 Functions Describes the measuring principles and functions of the instrument No description is given for operating methods however it is recommended that this chapter be read before operating the instrument to gain a basic understanding of what the instrument can do Chapter2 Name and Use of Each Part Describes the name and function of each part of the instrument For keys and rotary knob reference sections or page numbers
141. nsee y eui BuiAejdsig H 7 5 Setting the Time Variation Display Function and Reading the Data Readout Selecting the display parameters When the time variation display function is ON it is possible to select whether or not to display the grid in the window In addition it is also possible to select whether or not to interpolate i e connect measurement points Turning grid display ON OFF Select ON or OFF OFF Does not display the grid ON Displays the grid Vrcaspiqerk di wale p vis dy wai PPAR suey rede p wowing Galea Turning interpolation display ON OFF Select ON or OFF OFF Does not interpolate measurement points e ON Interpolates measurement points Pei PAN eu 7 16 IM 704210 01E 7 6 Selecting the List Display Function and Displaying the Data For a description of the function refer to 1 6 To exit from the current menu press any of the top menu keys or press the ESC touch key displayed on the screen DISPLAY Top Menu MODE DATA 296 07 06 03 23 FUNC PERI A GATE SIZE MODE T STMP UL FUNCTION Displays the display format menu TIME I DISPLAY SAMPLE Selects the top data Selects the bottom data INPUT 0000us 0001s i NUMBER w e E a E4 Displays the data number of the highlighted data UTILITY 1 Press the DISPLAY key to displa
142. o phase correction is required when the probe is switched from one channel to another Calibration signal Waveform type Square waveform Frequency 1 kHz Voltage 1 Vp p Waveform differences Correct waveform Over compensated gain is too high at high frequency Under compensated gain is too low at high frequency IM 704210 01E 3 7 Setting the Date and Time Procedure To exit from the current menu press any of the top menu keys or press the ESC touch key displayed on the screen UTILITY Top menu pA MODE Sein beat 996 67 64 64 31 FUNC PERI_A GATE SIZE 180 MODE H HIST ITUL MIN Ey FUNCTION 7 INIT 1 STORE DISPLAY RECALL SAMPLE CONF IG Used to display the CONFIG menu i SELF gt mu 7100ns 188 0ns 180ns TEST B 200 0n3 Y 8 eng NEXT 1 3 UTILITY UY 1 Press the UTILITY key to display the UTILITY top menu 2 Press the CONFIG touch key to display the CONFIG menu Selecting the DATE TIME menu 3 Press the DATE TIME touch key to display the DATE TIME menu Setting the date 4 Press the DATE touch key to highlight the key 5 Use the rotary knob and arrow keys to set the desired date Setting the time 6 Press the TIME touch key to highlight the key 7 Use
143. o2ueuojure y pue Bunoouse qnoJ LE 11 6 Carrying out the Performance Test Testing method Wait for 30 minutes after the TA320 is turned ON Set the frequency of the synthesized signal generator 8657B to the values given in the table below and check that the measured values mean value and standard deviation are within the allowable range using the the pulse width function of the TA320 Carry out the same test for both channels CHA and CHB Test results CHA Frequency 8657B Avarage Value Standard Deviation Measured Value Allowable Range Measured Value Allowable Range 10MHz 48 4 ns to 51 6 ns 320ps or less 20MHz 23 7 ns to 26 3 ns 310ps or less CHA H Frequency 8657B Avarage Value Standard Deviation Measured Value Allowable Range Measured Value Allowable Range 10MHz 48 4 ns to 51 6 ns 320ps or less 20MHz 23 7 ns to 26 3 ns 310ps or less CH AH Frequency 8657B Avarage Value Standard Deviation Measured Value Allowable Range Measured Value Allowable Range 10MHz 48 4 ns to 51 6 ns 320ps or less 20MHz 23 7 ns to 26 3 ns 310ps or less CHB lH Frequency 8657B Avarage Value Standard Deviation Measured Value Allowable Range Measured Value Allowable Range 10MHz 48 4 ns to 51 6 ns 320ps or less 20MHz 23 7 ns to 26 3 ns 310ps or less 11 16 IM 704210 01E 11 6 Carrying out the Performance Test Testing the A to B Interval Resolution Instruments r
144. od time interval pulse width measurements 1 to 32 000 Phase difference duty ratio 1 to 16 000 Hardware histogram mode 1 to 99 999 999 Configurable gate time range within maximum number of events for sampling mode e us x gate time lt 5 ms in 200 ns increments 5ms lt gate time x 10s in 1 ms increments Allowable time frame for external gate 1 us to 320 s within maximum number of events for sampling mode Polarity Can be selected from and Arming Arming source Can be selected from AUTO automatic and EXT external Arming delay only when EXT is selected as the arming source Configurable delay time in the case of time delay el us lt delay time lt 5 ms in 200 ns increments 5ms lt dalay time lt 1 s in 1 ms increments Event delay Can be set from 1 2 3 4 5 6 7 8 9 10 20 30 40 50 60 70 80 90 100 200 300 400 500 600 700 800 900 1000 2000 3000 4000 5000 6000 7000 8000 9000 10000 20000 and 30000 Slope Can be selected from 4 and Inhibit Allowable time frame 1 us to 320 s Polarity Can be selected from JL and 12 4 IM 704210 01E 12 4 Display Item Specifications Display Size 4 7 inch Device LCD liquid crystal display resistance film type touch screen panel Display resolution 320 dots H x 240 dots V Display defect 0 0146 or less for the entire display pixels Display format Time
145. of the top menu keys or press the ESC touch key displayed on the screen SAMPLE Top Menu MODE SDA L 996 67 66 61 49 FUNC DUTY A GATE SIZE 1000 MODE T STMP ITUL MIN AUTO SCALE o GATE EVENT 18 9 SIZE DISPLAY EA 1000 SAMPLE IN 108 54 58 0587 8 57 E Displays the arming menu INPUT n 49 5587 Y1 8 This touch key is not am 10082 Pm displayed if EXTERNAL UTILITY RUE 50 0332937 gate is selected 1 Press the SAMPLE key to display the SAMPLE top menu Displaying the arming menu 2 Press the ARMING touch key to display the arming menu This setting is not available the ARMING touch key is not displayed if EXTERNAL gate is selected Selecting the arming source 3 Press the SOURCE touch key to highlight SOURCE 4 Turn the rotary knob to select the desired arming source If EXT external arming is selected at step 4 proceed to the following steps If AUTO auto arming is selected the following steps will not be available Selecting the slope edge required only when EXT arming is selected 5 Press the SLOPE touch key to highlight T or R The highlighted slope will be selected Selecting the arming delay type required only when EXT arming is selected 6 Press the DELAY touch key to highlight DELAY 7 Turn the rotary knob to select the desired delay type Setting the delay time required only when TIME is selected at step 7 8 Press the D TIME touch key to highlight D TIME 9
146. of time stamps and their measured values is displayed Displayed data can be scrolled up and down Resolution for time stamps 100 ns List display hardware histogram mode A list of measured values class values of histogram and their frequency is displayed Displayed data can be scrolled up and down Statistics display time stamp mode A list of statistic values for the area specified for histogram display calculation setting is displayed Statistical computation items Maximum value minimum value mean value standard deviation peak to peak flutter Statistics display hardware histogram mode A list of statistic values for the area specified for histogram display calculation setting is displayed Statistical computation items Maximum value minimum value mean value standard deviation peak to peak flutter jitter 1 jitter 2 Standard deviation is displayed in bar graph Bar graph range Can be selected from 7 5 15 30 and 60 ns Statistic values in the case of HH selected as the polarity for pulse width measurement with and fP selected as the polarity for the calculation menu Maximum minimum average peak to peak flutter jitter 2 Not computed Standard deviation jitter 1 Standard deviation and jitter 1 are computed individually for positive and negative sides then the sum of computed standard deviation and that of computed jitter 1 are divided by 2 12 6 IM 704210 01E 12 5 Inputs
147. ory TA MISC Data size Each screen image data requires approx 11 K bytes Checking the free space available on a floppy disk Refer to 9 2 Entering the file name Refer to 9 3 Note 5 000 0000 Saving is not possible during measurement i e while the START indicator is ON Loading of the screen image data to this instrument is not possible CAUTION Never remove the floppy disk while the access indicator is blinking Failure to do so may damage the magnetic head of the floppy disk drive or destroy the data saved on the floppy disk IM 704210 01E 9 11 xsig ddojJ e wo ejeg eui Buipeo pue Bulaes 9 6 Auto Saving the Screen Image Data Procedure To exit from the current menu press any of the top menu keys COPY menu ae 996 67 66 68 5 FUNC PERI A GATE SIZE MODE H HIST ITUL AUTO SCALE 4 188 MIN selects the copy destination floppy 1 1 1 18ns 1 00803us 10ns x1 990 3ns Y1 X2 1 80103us Y2 STAT Senn 7 1 Performs copying QUE 1 990198 0 350 1 Insert a formatted floppy disk into the floppy disk drive Selecting the floppy disk as copy destination 2 Press the COPY key to display the COPY menu 3 Press the FLOPPY PLOTTER touch key to highlight FLOPPY Performing copying 4 Press the EXEC touch key Explanation Saving the screen image data automatically The screen image data will be saved in TIFF format For items to be saved refer to 9 5
148. out YOKOGAWA s permission is strictly prohibited MS DOS is a registered trademark of Microsoft Corporation HP GL is a registered trademark of Hewlett Packard Company Ist Edition December 1996 All Rights Reserved Copyright 1996 Yokogawa Electric Corporation IM 704210 01E Checking the Contents of the Package Unpack the box and check the contents before operating the instrument If the wrong instrument or accessories have been delivered if some accessories are missing or if they appear abnormal contact the dealer from which you purchased them Main Body Check that the model name and suffix code given on the name plate of the rear panel match those on your order e m m Ou Nameplate MODEL Type Name 704210 SUFFIX Suffix Code Item Suffix Code Specifications Power voltage eosececcccecceeesseee 100 240 VAC Power cord D UL CSA Standards Power Cord Part No A1006WD Maximum Rated Voltage 125 V Maximum Rated Current 7 A F VDE Standard Power Cord Part No A1009WD Maximum Rated Voltage 250 V Maximum Rated Current 10 A Q BS Standard Power Cord Part No A1054WD Maximum Rated Voltage 250 V Maximum Rated Current 10 A R SAA Standard Power Cord Part No A1024WD Maximum Rated Voltage 240 V Maximum Rated Current 10 A
149. ows are available and window 9 is currently displayed X axis Y axis menu for window 2 and others Indicates that a total of 9 windows are available and window 2 is currently displayed IM 704210 01E 7 7 ejeg peyndwoy painsesayy ay BuiAejdsig H 7 2 Using the Multi window Function Selecting the window size number of windows Up to 16 windows can be set if the multi window function is ON Setting range 1 to 16 Setting the X axis and Y axis For the setting method for center value of X axis span of X axis Y axis scale maximum value of Y axis and area refer to 7 1 If MULTI is selected use the W SPACE touch key of the X axis Y axis menu to set the space between the center value of X axis for a window and that for other windows The W SPACE touch key is displayed if AUTO is selected as the multi window mode Setting range for the space between the center values of X axis 0 to 250 ns Note If AUTO is selected as the multi window mode the histogram containing the smallest measured data must be used to set the X axis and Y axis for window 1 For the space between the center values of X axis only a positive displacement is set Thus if a histogram contains measured data smaller than that contained in the histogram used for window 1 no window will be assigned to that histogram As a result this histogram will not be displayed even if the window is switched to another at steps 24 and 25
150. p mode has been selected 0 to 360 deg Selecting the slope edge Select the desired slope from the following Af B Measures the time from a rising edge of the CHA signal to the first subsequent rising edge of the CHB signal A B Measures the time from a rising edge of the CHA signal to the first subsequent falling edge of the CHB signal Measures the time from a falling edge of the CHA signal to the first subsequent rising edge of the CHB signal Aw B Measures the time from a falling edge of the CHA signal to the first subsequent falling edge of the CHB signal Example Both channels A and B rise Af Bf Measuredtp1 Measuredtp2 D j i ecc Measuredti 7 Measured CHA t t Phase difference 1 deg DER x360 Phase difference2 deg 2 x360 ti 2 Note Phase difference measurement is not available if hardware histogram mode has been selected The time from a rising or falling edge of the CHA signal to the first subsequent edge of the CHB signal must be 71 ns or more otherwise incorrect measurement will result The time from a rising or falling edge of the CHB signal to the first subsequent edge of the CHA signal must be 30 ns or more otherwise incorrect measurement will result tp phase difference must be equal or smaller than t period of the CHA signal otherwise incorrect measurement will result IM 704210 01E 5 9 w34 uonounJ 1ueureunseoj
151. progress 9 3 9 4 It is not possible to access a file during measurement 672 Data to be saved don t exist Data to be saved does not exist 701 During output to plotter 10 1 It is not possible to operate the instrument during output to the plotter 906 Fan stopped Turn OFF the power immediately Cooling fan has stopped Turn off the power immediately 11 2 IM 704210 01E 11 2 Messages Warning Messages When a warning message s exists the warning mark will appear on the top of the screen as shown below Warning mark MODE DISPLAY 1996 67 66 15 27 o FUNC PERI B GATE SIZE 188 MODE H HIST ITUL MIN EETTTITFSUEEEN To display a list of warning messages activate the error log window from the UTILITY top menu If there are so many warning messages that they cannot be displayed on the screen at the same time this is the case when warning messages include those related to communications turn the rotary knob to scroll the messages For how to scroll the messages refer to 11 3 No Message Reference Section 051 Time stamp data overflows 6 2 Time stamp data has over flowed 320 seconds have elapsed 052 Measurement data overflows 12 2 Measurement data has over flowed The allowable measuring range was exceeded IM 704210 01E 11 3 eoueuojure y pue Bunoouse qnoJ 11 3 Using the Error Logging Function To exit from the current menu press any of the top m
152. r to 1 2 MODE FUNCTION DISPLAY SAMPLE INPUT UTILITY MODE 995 97 06 66 36 FUHC PERI A GATE SIZE 18088 MODE T STMP ITUL MINH AUTO SCALE 4 18 18ns 1 0000us 180ns x1 996 6ns Y1 8 x2 1 6188us d 10008 STAT AVE 1 666062942us 8 33365ns TIME STAMP Selects the time stamp mode HARDWARE HIST Explanation T STMP is displayed during time stamp mode Selects the hardware histogram mode 1 Press the MODE key to display the MODE top menu Selecting the time stamp mode 2 Press the TIME STAMP touch key to highlight TIME STAMP Selecting the hardware histogram mode 3 After step 1 Press the HARDWARE HIST touch key to highlight HARDWARE HIST Selecting the sampling mode Either time stamp mode or hardware histogram mode can be selected Time stamp mode The measured value and time stamp are acquired Hardware histogram mode The measured value and its occurrence frequency are acquired MODE 9 97 95 88 36 and H HIST is displayed during hardware histogram mode ERI GATE SIZ I E 100008 STMP ITUL MI H ii ST TIME STAMP HARDWARE HIST IM 704210 01E 5 1 wi9 uonounJ 1ueureunseojy pue epojy Huljdwes ay 6unies pa 5 2 Setting Period Measurement For a description of the function refer to 1 3 To exit from the current menu press any of the top menu keys or press the ES
153. r using those present within the area enclosed by the markers Setting the constant This function allows the user to set the constant T to be used for calculation of jitter 1 o T or jitter 2 IAVE Xcenterl T or the one to be used for measurement of pulse width 22T Statistical Computation Items For operating procedure refer to 7 1 and 7 8 Statistical computation can be carried out using measured values Computation results can be displayed if histogram or statistic display format is selected see 1 6 The entire area of a histogram i e entire window area or the area enclosed by the X1 and X2 markers can be used as the calculation area The formula may differ depending on the sampling mode Time stamp mode In the following formulas n indicates the number of samples and Xi indicates the measured value for each sample Maximum value MAX Indicates the largest value among the measured values MAX X Minimum value MIN Indicates the smallest value among the measured values MIN X min Average value AVE Calculates the average of the measured values 1 n AVHS XX D iz Standard deviation o Calculates the standard deviation of the measured values Standard deviation indicates degree of dispersion 1 n X X AVE n2 X Peak to peak P P Calculates the difference between the maximum and minimum values P P MAX MIN Flutter o AVE Calculates flu
154. re also displayed when CHB is selected Selects the input impedance Selects the input coupling method e pe Selects the trigger mode hi peor Selects the trigger level IM 704210 01E peunseey y eq 0 jeus 1nduj 10 suonipuo uonisinboy y Buas LE 6 1 Setting the Input Coupling Input Impedance Trigger Mode and Trigger Level Explanation Selecting the channel to be set Select the input conditions individually for channels A and B Selecting the input impedance Select 50 or 1 MQ If AC coupling is selected frequency characteristic will vary depending on the selected input impedance For details refer to 12 1 Selecting the input coupling method Select AC or DC Frequency characteristic will vary depending on the selected input coupling method For details refer to 12 1 Selecting the trigger mode Select the desired trigger mode from the following SGL AUTO Single auto trigger mode REP AUTO Repeat auto trigger mode e MANUAL Manual trigger mode Setting the trigger level required only when MANUAL trigger mode is selected Setting range 5 V to 5 V IM 704210 01E 6 2 Setting the Gate Type Sample Size and Sampling Interval Procedure For a description of the function refer to 1 5 To exit from the current menu press any of the top menu keys or press the ESC touch key displayed on the screen SAMPLE Top Menu MODE FUNCTION DISPLAY
155. rence External XCENTER X SPAN When Af Bf or AL B4 Input Frequency XCENTER XSPAN 10MHz 100 ns 20 ns 20MHz 50 ns 20 ns When AT BL o AL BT Input Frequency XCENTER XSPAN 10MHz 100 ns 20 ns 20MHz 50 ns 20 ns Y HIGH 106 8657B Frequency 1OMHz 20MHz Level 720MVims IM 704210 01E 11 17 ooueuojure y pue Bunoouse qnoJ LE 11 6 Carrying out the Performance Test Testing method Wait for 30 minutes after the TA320 is turned ON Set the frequency of the synthesized signal generator 8657B to the values given in the table below and check that the measured values mean value and standard deviation are within the allowable range using the time interval measurement function of the TA320 Test results Af Bt Frequency 8657B Avarage Value Standard Deviation Measured Value Allowable Range Measured Value Allowable Range 10MHz 98 4 ns to 101 6 ns 20MHz 48 7 ns to 51 3 ns 320ps or less 310ps or less e ALBL Frequency 8657B Avarage Value Standard Deviation Measured Value Allowable Range Measured Value Allowable Range 10MHz 98 4 ns to 101 6 ns 20MHz 48 7 ns to 51 3 ns 320ps or less 310ps or less Af BL Frequency 8657B Avarage Value Standard Deviation Measured Value Allowable Range Measured Value Allowable Range 10MHz 48 4 ns to 51 3 ns 20MHz 23 7 ns to 26 3 ns 320ps or less 310ps or less AL B
156. s l Displays the statistical computation item menu 1 Press the DISPLAY key to display the DISPLAY top menu Selecting the statistics display function 2 Select the statistics display function as described in 7 1 Selecting the statistical computation items 3 Press the STAT touch key located at the bottom of the screen to display the statistical computation item menu 4 Press the touch keys corresponding to the desired items The selected items will be displayed on the right of the STAT touch key Only two items can be selected at a time If the STAT touch key is pressed again to select other items the previously selected and displayed two items will be replaced by newly selected items Turning OFF display of the selected items 5 Press the OFF touch menu of the statistical computation item menu The currently displayed two items will disappear Returning to the DISPLAY top menu 6 Press the STAT touch key again or press the EXIT touch key to return to the DISPLAY top menu Statistical computation items menu E 1996 DISPLAY AVE FUNC TI AB MODE H HIST AUTO SCALE Selects the statistical computation items Returns to the DISPLAY top menu Turns OFF display of the selected items IM 704210 01E 7 21 ejeg peinduio2 paunsee y ay BuiAejdsig H 7 8 Selecting the Histogram Display Function and Displaying the Statistic Data Explanation Statistical computation items The sam
157. s ON Selects the panorama area Displayed during multi window mode only IM 704210 01E 7 9 ejeg peinduio2 paunsee y ay BuiAejdsig H 7 3 Using the Panorama Display Function Explanation The panorama display function is available only when hardware histogram mode is selected as the sampling mode Turning the panorama display function ON OFF OFF Does not display the panorama bar The P AREA touch key will not be displayed e ON Displays the panorama bar The P AREA touch key will be displayed Selecting the panorama area 0to3 2 us is divided into four panorama areas to allows the user to select a panorama area from a total of 10 area combinations DISPLAY ISPLAY 1996 67 66 68 15 ESC FUNC PULS A GATE SIZE 10000 MODE H HIST ITUL MIN WINDOW coumpou 1 Panorama bar amm a a sm 4 4 08 goons This area is displayed SINGLE HODE A MAN SIZE li B PANORAMA sens 341 8ns 58ns OFF T x1 310 3ns Y1 3 x2 391 8ns a 3629 P AREA STAT VAVE 8 0009090909097 MELE 8 000006007 800ns 1 6us 2 4us 3 2us Turning the rotary knob while P AREA is highlighted will switch the panorama area from one to another as shown below EA EE a FUNC PULS A GATE SIZE 16666 FUNC PULS A GATE SIZE 18888 FUNC PULS A GATE SIZE 16666 MODE H HIST ITUL MIN MODE H HIST ITUL MIN MODE H HIST ITUL MIN gt WINDOW 1 3 WIHDOW 1 3 WIHDOW 1 8s 2 4us
158. sed Manual trigger The level set using the rotary knob or front panel keys is set as the trigger level Gate For operating procedure refer to 6 2 The instrument allows the user to specify the size of measurement block Measurement can be carried out as many as the specified number of events or during the specified gating time i e while the gate is open Three types of gate are available Event gate Each sampling is called an event For instance one measurement of the period of the input signal is counted as one event Up to 32 000 events 16 000 events for duty ratio phase difference measurement can be set in the case of time stamp mode and up to 99 999 999 events can be set in the case of hardware histogram mode within 320 seconds following the arming see the following page Time gate Gating time of up to 10 seconds can be set However the maximum number of events allowed for the sampling mode must not be exceeded External gate The external arming input terminal EXT ARM IN is used to open close the gate See the following page The gate can be opened for up to 320 seconds as long as the maximum number of events allowed for the sampling mode is not exceeded In addition it is possible to select whether to open the gate using the positive or negative edge of the external arming signal IM 704210 01E 1 9 1 5 Setting the Acquisition Conditions for Input Signal to be Measured Sample Size Number of Events
159. sing edge of the CHB signal and the time interval from a rising edge of the CHB signal to the first subsequent rising edge of the CHA signal Measures the interval from a rising edge of the CHA signal to the first falling edge of the CHB signal and the time interval from a falling edge of the CHB signal to the first subsequent rising edge of the CHA signal AWB Aw Measures the interval from a falling edge of the CHA signal to the first rising edge of the CHB signal and the time interval from a rising edge of the CHB signal to the first subsequent falling edge of the CHA signal AwBwAw A down B down A down Measures the interval from a falling edge of the CHA signal to the first rising edge of the CHB signal and the time interval from a rising edge of the CHB signal to the first subsequent falling edge of the CHA signal Note LLL Measurement can be carried out continuously if the time interval t1 from the CHA signal to the CHB signal is 71 ns or more Example ATBTAf Measurement t2 is carried out Measurement t2 is not carried out but measurement if t1 is 71 ns or more t3 is carried out if t1 is below 71 ns Measured Measured Measured Measured wh t2 t3 x 1 gt 0 gt caf 11 f caf i fil f CHB BE uu CHB ao _71 ns or more IM 704210 01E 5 5 wi9 uonounJ 1ueureunseojy pue epojy Huljdwes eui 6unies a 5 4 Setting Pulse Width Measurement For a
160. splays the calibration menu 18 iens 1 0883us 10ns INPUT x1 998 3ns Y1 8 a ug 108 Selects the UTILITY UND OU elects the menu mun age veg C23 1 Press the UTILITY key to display the UTILITY top menu 2 Press the NEXT touch key to display NEXT 2 3 on the key 3 Press the CALIBRATION touch key to display the calibration menu 4 Press the EXEC touch key DONE will be displayed when calibration is complete Calibration menu Performs calibration DONE Asterisk is displayed during calibration and DONE is displayed when it is completed Explanation Calibration of the offset voltage of each input amplifier and conversion factor of each T V converter is carried out automatically using the internal calibration signal 10 10 IM 704210 01E 10 6 Setting the Screen Contrast Procedure Explanation For a description of the function refer to 1 7 To exit from the current menu press any of the top menu keys UTILITY Top Menu MODE TILITY 1996 67 66 68 49 FUNC PERI GATE SIZE 188 MODE H HIST ITUL MIH AUTO SCALE FUNCTION 1 ST RE DISPLAY RECALL b SAMPLE CONF IG i SELF gt WPUr 18ns 8803us eye TEST Displays the configuration menu A v Selects the UTILITY menu UTILITY Press the UTILITY key to display the UTILITY top menu Press the NEXT touch key to display NEXT 1 3 on
161. ss any of the top menu keys or press the ESC touch key displayed on the screen INPUT Top Menu MODE FUNCTION DISPLAY SAMPLE INPUT UTILITY ERE INPUT 1996 67 66 61 46 FUNC DUTY A GATE SIZE 1000 MODE T STMP ITUL MIN AUTO SCALE gt CH A Displays the CHA input condition menu T gt d 3 CH B Displays the CHB input condition menu 1 0 57 58 0587 8 57 x1 49 558 Y1 8 X2 50 5587 Y2 T STAT ave 58 0542937 0 0173477 1 Press the INPUT key to display the INPUT top menu Selecting the channel to be set 2 Press the CHA or CHB touch key to select the desired channel The input condition menu for the selected channel will be displayed Selecting the input impedance 3 Press the IMPD touch key to select the desired input impedance 50 or 1 MQ The highlighted input impedance 50 or 1 MQ will be selected Selecting the input coupling method 4 Press the COUPLING touch key to select the desired input coupling method AC or DC The highlighted input coupling method AC or DC will be selected Selecting the trigger mode 5 Press the TRIGGER touch key to highlight TRIGGER 6 Turn the rotary knob to select the desired trigger mode Setting the trigger level required only when MANUAL trigger mode is selected 7 Turn the rotary knob or press the ten key to select the desired trigger level Input condition menu IMPD 5007 COUPLING AC O The same items a
162. stamp mode Can be selected from histogram list time variation and statistic values Hardware histogram mode Can be selected from histogram list and statistic values Histogram display for time stamp mode Scale X axis and Y axis of histogram X CENTER center value of X axis setting range Period time interval and pulse width measurements 10 ns to 99 9999900 ms Phase difference measurement 15 00 to 345 00 deg Duty ratio measurement 0 500 to 99 500 eX SPAN span of X axis Period time interval and pulse width measurements Can be selected from 2 4 10 20 40 100 200 400 ns 1 2 4 10 20 40 100 200 400 us 1 2 4 10 20 40 and 100 ms Phase difference measurement Can be selected from 30 60 90 180 and 360 deg Duty ratio measurement Can be selected from 1 5 10 50 and 100 Y AXIS Y axis scale Can be selected from LIN linear scale and LOG logarithmic scale Y HIGH maximum value of Y axis LIN Can be selected from 10 20 40 100 200 400 1000 2000 4000 10000 20000 and 32000 LOG Can be selected from 10 102 103 104 and 10 Readout Markers can be used to read measured values present in the area enclosed by the two markers Calculation AREA Used to select the area to be used for statistical computation from WINDOW and MARKER CONST T Used to set the constant T for statistical computation and pulse width measurement Setting range 10 to 999 9 ns Histogram display
163. t CONST T 27 Turn the rotary knob or use the ten key to set the desired constant Selecting the polarity to be used for display statistical computation Required only if 4 has been selected for pulse width measurement 28 Press the POLARITY touch key to highlight A ejor lee The highlighted polarity will be selected IM 704210 01E 7 1 Setting the Histogram Display Function and Reading the Data Readout Explanation Selecting the histogram display function From the display format menu select HISTOGRAM Performing auto scaling The X axis and Y axis will be set automatically so that the entire distribution of measured data can be displayed The X axis and Y axis scaling can be changed as described below Setting the X axis and Y axis Setting range for center value of X axis The setting range varies according to the selected measurement function Period time interval or pulse width measurement 10 ns to 99 9999900 ms up to 3 19 us in the case of hardware histogram mode Phase difference measurement 15 00 to 345 00 deg Duty ratio measurement 0 500 to 99 500 Selecting the span of X axis The span varies according to the selected measurement function Period time interval or pulse width measurement 2 4 10 20 40 100 200 400 ns 1 2 4 10 20 40 100 200 400 us 1 2 4 10 20 40 100 ms up to 3 2 us in the case of hardware histogram mode Phase difference measurement 30 60 90 180 360 deg Duty ratio
164. t breaker 4 eterni etsi tette entue tn Class Value epe e I anes CONNECGI oto Eras NN A ATE Refer to Interpolation Fl tter zm E Rico m ertet EE A 1 6 1 7 Contnecung oes ave eter tede sae et ds 3 4 3 6 Formatting floppy disk sse 9 3 Connecting the cables sess 3 6 Formatting floppy disk eere 9 3 Connecting the power cord sssseeeeeeneeenrne 3 4 Fractional pulse 2 o peteret eet reste rin 1 2 CONST T 2 ihn cet cot SER WB eR aed 1 6 Fractional time soursie ieioea eri ee eee ties 1 2 Constant T eon od as A aud aloud 1 6 7 4 7 20 Free space floppy disk senes 9 2 9 3 Constant T 1o cadera Ro a e o EIE RES 1 6 7 4 7 20 Frequency distribution sess Refer to histogram enu 7to9 Front panel 2 ee pretesa teo tenes 2 1 Contents of the package 2 PUnCHONS eae roy a RATEN VIRA ORA ERR nn Chapter 1 Continuous measurement time interval eeeeeee 5 5 Conttast Screen ss no ect ovs hh cca Bea e eg redd 1 17 10 11 Coolirig fan i e nene tede rerit 3 1 3 2 Coordinate sissies ea eT eere e edet 1 5 Coupling thee et riesen 1 8 6 1 chapter 12 IM 704210 01E Index 1 x pul Index G Page GALES jouet RE WR ERN ORE 1 9 6 3 12 4 GP IB connectOrz uice etie tutti rese eina ence 2 2 GP IB interface User s Manual esser
165. t gate time has not been reached 6 4 IM 704210 01E 6 2 Setting the Gate Type Sample Size and Sampling Interval Selecting the polarity Select the desired polarity from the following This setting is available only when EXTERNAL gate is selected e Carries out measurement only when a positive signal is being input to the EXT ARM IN terminal e Carries out measurement only when a negative signal is being input to the EXT ARM IN terminal Note Measurement of one block will be forced to end when the maximum number of events for the selected sampling mode is reached or when the maximum sampling time is exceeded even if the external gate is still open Selecting the sampling interval Select the desired sampling interval from the following For hardware histogram mode the sampling interval is fixed at MIN and cannot be set to another option MIN 1 us 2 us 4 us 10 us 20 us 40 us 100 us 200 us 400 us 1 ms 2 ms 4 ms MIN equals to 71 ns Currently set number of events SAMPLE 1996 07 06 61 49 FUNC DUTY GATE SIZE 1666 MODE T STMP UL IN 1 IT M EETA 167 1 Selected sampling interval IM 704210 01E peunseey y eq 0 jeus 1nduj 10 suonipuo uonisinboy y Buas LE 6 3 Setting the Arming Source Slope and Delay Types For a description of the function refer to 1 5 Procedure To exit from the current menu press any
166. te dette ettet 7 16 Part NUMBEL 45e eni ESETET ETENE TESES SETIER EKTO S MOREE PEPLERI NS 2 3 Passive Piob v secet cete te aise die aunt Eee 3 Pattern time interval measurement sse 5 5 Peak to peak eene eet emt RR Pen assignment F Pen Speed nie RE anna eke Performance test eee Eines 11 9 to 11 18 Period measurement cccecccceseeseesseeseesececeeeeeeeseeeeeseeeee 1 3 5 2 Phase correctione nra xit eH e Saee E gH 3 7 Phase difference measurement sssssssseeees 1 4 5 8 Iun 10 3 Polarity duty ratio measurement eene 5 11 Polarity external gates aree e teg 6 5 Polarity inhibit 5 tti nette trente teeth detenta dn 6 9 Polarity pulse width measurement sse 5 7 Positive side Power consumption Refer to Maximum power consumption P wer COI is esee deo d ee RU RO EAR A Aa d A ERA FA 2 9 Power cord connector eesseesseseeeeereeene eren 2 2 Power supply i2 uice e etate ate o oie 3 4 12 9 Index 2 IM 704210 01E Power supply voltage ccceceesesceseeseeeesseeceeceeeseeeeeeeseeaeeeeeeneeeeeeee 2 POWOESWILCDU sire te de dec re 3 5 Probe calibration eese Refer to phase correction Probe connecting n nne ehe iiri seke 3 6 Probe phase correction eret eret eet eterna 3 7 Protective grounding eee 4 3 4 Pulse width measurement e
167. the instrument Symbols used on pages where description of operation is given The following symbols are used in chapters 3 to 11 to classify descriptions Procedure Explanation Describes keys to be used and operating procedure With some operating procedures it is not necessary to carry out the steps according to the order in which they are described Gives a detailed description of settings and restrictions regarding operations No detailed description is given for the function For a detailed description of the function refer to Chapter 1 IM 704210 01E Contents FOreWOLEG isis is ic casts ce Sates ep E ERRARE ERE C oie e OE ER Ss 1 Checking the Contents of the Package sse teneret eterne tette tete 2 Safety Precautions ee tede ene ce ede ee e ee n ee e 4 Structure of the Manual RR RE RR RR UR RE Gein EDS Notations and Symbols Used in this Manual Chapter 1 1 1 1 2 1 3 1 4 1 5 1 6 1 7 Chapter 2 2 1 2 2 Chapter 3 3 1 3 2 3 3 3 4 3 5 3 6 3 7 gt gt BD Functions System Configuration and Block Diagram eese nennen trtnetrenetne trn tre nennen 1 1 Measuring Principles and Sampling Mode sese nennen nnne 1 2 Measurement Functions Measurement Items 1 3 Period Time Interval ovisni ennari pete ee reet e t e lee e p EE a E Ee e ee EE AE EC ERN DR EI TU ra EE Pn 1 3 Pulse Width Phase Difference Duty Ratio
168. the rotary knob and arrow keys to set the desired time Confirming the date time 8 Press the EXEC touch key to confirm the date and time CONFIG menu DATE TIME menu ESC DATE TIME DATE 93 07 04 Used to set the date Used to set the time e Used to display the DATE TIME menu Used to confirm the settings date time IM 704210 01E 3 9 1ueuieunseo y Bunes 310429 B 3 7 Setting the Date and Time Explanation Setting the date Set the date in order of year month and day Year Set the last two digits of the year For instance set 99 for 1999 00 for 2000 01 for 2001 and so on Month Setting range 01 to 12 Day Setting range 01 to 31 Setting the time Set the time in order of hour and minute Hour Setting range 00 to 23 Minute Setting range 00 to 59 It is not possible to set or display seconds by the same method However 00 second is set when the EXEC touch key is pressed Display location of date time The date and time are displayed at the top of the screen Date and time are displayed This example shows July 4 1996 4 31 a m hx l TILITY 1996 67 64 64 31 ERNE RERT O GATE SIZE 108 MODE 3 10 IM 704210 01E 4 1 Starting Stopping Acquisition of a Measuring Input Signal Procedure MODE FUNCTION DOS bal 996 67 66 66 6 9 FUNC PERI A GATE SIZE 188 MO
169. the standard deviation and jitter1 only For details refer to 7 7 7 4 IM 704210 01E 7 2 Using the Multi window Function For a description of the function refer to 1 6 To exit from the current menu press any of the top menu keys or press the ESC touch key displayed on the screen DISPLAY Top Menu MODE IRR ya 9 97 ee 07 59 FUNC PULS A GATE SIZE 100600 MODE H HIST ITUL MIN AUTO SCALE FUNCTION DISP gt b DISPLAY SCALE CALCU gt INPUT LATION UTILITY UO _ ___Y Performs auto scaling Displays the display format menu Displays the X axis Y axis menu Displays the marker menu Displays the calculation menu Displays the multi window menu displayed for hardware histogram mode only 1 Press the DISPLAY key to display the DISPLAY top menu Selecting the histogram display function 2 Select the histogram display function as described in 7 1 Performing auto scaling 3 Perform auto scaling as described in 7 1 Preparation before using the multi window function 4 Press the MARKER touch key of the DISPLAY top menu to display the marker menu 5 Press the MARKER touch key of the marker menu to highlight ON 6 Some histograms will be displayed on the screen Move the X1 marker to the highest frequency position of the left most histogram by turning the rotary knob and read and record the
170. ting PA NER M U Page Upd te Rate nein ean te a nes 12 2 Usage precautions trice e er e e RE een 3 1 User s manual V Page Ventilation hole inicie iicet tte seti eiecti ciet 2 2 W Page Warning message ente eee eee ii When not using for extended time Reset button see eres tette eie teta ebrii un Fere dne Rotary ktiob Zee eret et edm ee cic R bbeET00t ee y EROR ERE HERR RII IR ERN EARN TEE 3 S Page Safety Precautions sou tere t P ERE 4 Sample size 1 10 12 1 refer to number of events Sampling interval see 1 8 1 10 6 5 12 1 Sampling Modes eet e RE s dete 1 2 5 1 Sampling pilsen zc eee ben etd 1 8 Saving measured statistic computed data 9 7 to 9 9 Saving screen image data sss 9 10 9 11 Saving set up information sse 9 4 to 9 6 Scale of Y AXIS aconitina de a en ai des a donat 1 12 7 3 Screen COMUASE oce de rr qi Qe RR HE EEG ER ch 1 17 10 11 Self test TT 1 17 11 5 to 11 7 Serial INO nee ERE EASIER RR EMT ade 2 Set up information initialization 1 16 10 8 10 9 Setting numerical values essere 4 2 Signal flow eres etti eed o DD ERO EE e 1 1 Single auto trigger Size sample eire Vm M I Slope external arming seen 6 8 Slope period measurement sss 5 3 Slope phase difference measurement
171. tions related errors can be cleared by the above procedure Warning messages will disappear automatically when the measurement is re started and completed successfully 11 4 IM 704210 01E 11 4 Executing the Self test Procedure To exit from the current menu press any of the top menu keys or press the ESC touch key displayed on the screen UTILITY Top Menu gt MODE Weim beal996 67 66 08 5 8 FUNC PERI A GATE SIZE MODE H HIST UL IT AUTO SCALE 3 188 MIN INIT FUNCTION STORE DISPLAY RECALL SAMPLE CONFIG SELF gt 7 x 18 ions 1 0003us vions Displays the self test menu xi 990 3ns Y1 8 A ammi QU 109 NEXT Selects the UTILITY Um QUE 1 000038us 1 3 iE ier 6 6 271ns 1 Press the UTILITY key to display the UTILITY top menu 2 Press the NEXT touch key to display NEXT 1 3 on the key 3 Press the SELF TEST touch key to display the self test menu Selecting board test 4 Press the BOARD TEST touch key to highlight BOARD TEST Executing board test 5 Press the EXEC touch key The board test will start and the results will be displayed When the board test is completed the ESC touch key will appear If PASS does not appear for each test item the instrument is faulty Returning to the self test menu 6 Press the ESC touch key to return to the self test menu Selecting key rotary knob test 7 Press the
172. trument is moved from a cold dry location to a warm humid one or when there is a rapid change in ambient temperature If liquid condenses on the instrument allow the instrument to stand for at least one hour under stable ambient conditions before using Well ventilated location Vent holes are situated on the top and bottom of the instrument In addition vent holes for the cooling fans are also situated in the rear panel To prevent a rise in the internal temperature the vent holes should not be blocked and sufficient clearance should be maintained around them 3 2 IM 704210 01E 3 2 Installing the Instrument Installation Position Rack Mounting Install the instrument in a location that is Away from direct sunlight and other heat sources Away from oily smoke steam dust corrosive gas and other such contaminants Away from strong magnetic fields Away from high voltage equipment and power lines Away from mechanical vibrations Stable surface Place the instrument in a horizontal position or tilted using the stand as shown below To install in the tilted position pull the instrument s stand forward until it locks into place at right angles with the bottom panel If the surface is slippery you should also attach rubber feet standard accessory to the instrument s rear legs To retract the stand push it inwards at both ends while moving it ba
173. tter Flutter indicates degree of dispersion in percentage in relation to the average value o AVE o x VE 100 IM 704210 01E 1 4 Computation Hardware histogram mode In the following formulas n indicates the number of bins of a histogram Bin refers to each bar of the histogram and indicates frequency of the same measured data X indicates the class value of each bin The width of bins varies depending on the specified span of X axis and may be as small as 100 ps In this case Xi indicates the measured value For details refer to 1 6 Maximum value MAX Indicates the largest value among the class values suonounj MAX IX ma X Minimum value MIN Indicates the smallest value among the class values MIN X Average value AVE Calculates the average value of the histogram Pj indicates relative frequency n AVE X X x P isl Pi can be calculated using the formula P Ni N when the total number of samples to be used for statistical computation is N and frequency number of samples of a bin is Ni Standard deviation c Calculates the standard deviation of the histogram Standard deviation indicates degree of dispersion P indicates relative frequency X AVE x P Peak to peak P P Calculates the difference between the maximum and minimum values P P z MAX MIN Flutter o AVE Calculates flutter of the histogram Flutter
174. uired is 99 999 999 The measured values can be displayed in three formats histogram list measured values and frequency and statistic values 1 2 IM 704210 01E 1 8 Measurement Functions Measurement Items Period For operating procedure refer to 5 2 The time from a rising or falling edge to the next rising or falling edge of the input signal is measured Either rising or falling edge can be selected and channel A or B can be selected for measurement suonounJ Example rising slope is selected Measured Measured Measured T CH A i CHB Time Interval For operating procedure refer to 5 3 The time interval between the signal input to channel A and that input to channel B is measured The following two types of time interval can be measured A to B interval The time interval between an edge of the signal input to channel A and the first edge of the signal input to channel B is measured Various combinations of edges can be selected as follows Fora description of combinations of slopes refer to 5 3 Setting Time Interval Measurement Example Both channels A and B rise Example Channel A both rise and fall channel B rise af eT xp ef Measured Measured Measured Measured Measured at Lf MES A to B to A interval The time interval between an edge of the signal input to channel A and the first edge of the signal input to channel B and the time interval between an
175. valid only if it is input within just 320 seconds following the arming It will not be valid if it is input after 320 seconds have elapsed following the arming Points to note when inputting the inhibit signal Input the inhibit signal to the INHIBIT IN terminal on the rear panel Input impedance 10 KQ Typical e Input coupling DC Trigger level TTL level e Maximum input voltage 8 V to 13 V DC ACpeak Minimum pulse width 30 ns Setup time 70 ns in order for the inhibit signal to be valid it must precede the measurement signal by no less than 70 ns Typical value is described in terms of typical of average performance However they cannot be guaranteed Inhibit input circuit 5V INHIBIT A D 5000 Inhibit input 4 terminal AAA qm 74LS14 or A equivalent 10kQ V N CAUTION Never apply a voltage exceeding the maximum input voltage to the inhibit input terminal INHIBIT IN Damage to the terminal may result IM 704210 01E 6 9 p nse n eq 0 eus 1nduj 10 suonipuo uonisinboy y Buas LE 7 1 Setting the Histogram Display Function and Reading the Data Readout For a description of the function refer to 1 4 and 1 6 To exit from the current menu press any of the top menu keys or press the ESC touch key displayed on the screen DISPLAY Top Menu MODE IaESJA bal 996 67 66 64 14 FUNC PERI A GATE SIZE 188 MODE H HIST ITUL MIN AUTO
176. ve side only Performs statistical computation for the both positive and negative sides However computation results will be as follows e Maximum minimum average peak to peak flutter jitter 2 Not computed and asterisks are displayed instead of the statistic values e Standard deviation jitter 1 Standard deviation o and jitter 1 o T are computed individually for positive and negative sides then the sum of computed standard deviation and that of computed jitter 1 are divided by 2 Selecting the bar graph range The standard deviation 0 is displayed in a bar graph only when the statistic display function is ON in hardware histogram mode The maximum bar graph range can be selected from the following 7 5 15 30 60 ns 7 20 IM 704210 01E 7 8 Selecting the Histogram Display Function and Displaying the Statistic Data Procedure For a description of the function refer to 1 4 and 1 6 To exit from the current menu press any of the top menu keys or press the ESC touch key displayed on the screen DISPLAY Top Menu MODE FUNCTION DISPLAY SAMPLE INPUT UTILITY IaE3JA bal 996 67 66 64 14 FUNC PERI_ A GATE SIZE 100 MODE H HIST ITUL MIN Displays the display format menu j gt SCALE gt 10 iens 999 9ns 180ns pies Displayed for hardware histogram mode only x1 989 9ns Y1 8 x2 1 0099US v2 198 AYE 1 090945u
177. when multi window is ON AUTO multi window mode and hardware histogram mode selected The frequency of each corresponding bin of the windows histograms specified for multi window setting is added around their center value of X axis suoneoyiooeds IM 704210 01E 12 5 12 4 Display Item Specifications Time variation display time stamp mode only Scale X axis and Y axis of time variation X MIN minimum value of X axis 0 to 199 9999800 sec X SPAN maximum value of X axis Can be selected from 20 40 100 200 400 us 1 2 4 10 20 40 100 200 400 ms 1 2 4 10 20 40 100 and 200 sec Y CENTER center value of Y axis Period time interval and pulse width measurements 10 ns to 99 9999900 ms Phase difference measurement 15 00 to 345 00 deg Duty ratio measurement 0 500 to 99 500 Y SPAN span of Y axis Period time interval and pulse width measurements Can be selected from 2 4 10 20 40 100 200 400 ns 1 2 4 10 20 40 100 200 400 us 1 2 4 10 20 40 and 100 ms Phase difference measurement Can be selected from 30 60 90 180 and 360 deg Duty ratio measurement Can be selected from 1 5 10 50 and 100 Readout Markers can be used to read measured values present in the area enclosed by the two markers Display parameters Grid and interpolation displays can be turned ON and OFF X axis resolution time stamp mode 100 ns List display time stamp mode A list
178. y are available The displayed ten key varies according to the setting item e Ifa key touch key KEYBOARD key gt arrow key is pressed or the rotary knob is turned before any of the following keys s n u n v 4 is pressed the entered value will not be confirmed but it will be canceled Not f an attempt is made to set a value higher than the allowed resolution for the item the value will be rounded off f an attempt is made to set a value exceeding the maximum value for the item the maximum value will be set Similarly if an attempt is made to set a value below the minimum value for the item the minimum value will be set Setting a numerical value using the rotary knob Only numerical values can be set using the rotary knob whilst numerical values and unit can be set using the ten key The cursor will move to the next higher digit when the value at the cursor increases from 9 to 0 Similarly the cursor will move to the next lower digit when the value at the cursor decreases from 0 to 9 Note 0 0000 0000 It is possible to reset the set value to the default setting factory setting For details refer to 10 4 Note that this will reset all the set values to the default settings IM 704210 01E 4 3 suomneJedo uouiulo E 5 1 Selecting the Sampling Mode Procedure MODE Top Menu For a description of the function refe
179. y pue epojy Huljdwes y 6unies a 5 6 Setting Duty Ratio Measurement For a description of the function refer to 1 3 To exit from the current menu press any of the top menu keys or press the ESC touch key displayed on the screen FUNCTION Top Menu MODE MMe 996 97 06 01 21 FUNC DUTY A GATE SIZE 1990 MODE T STMP ITUL MIN AUTO SCALE FUNCTION Displays the measurement function menu 16 DISPLAY Oey CHB Selects the channel to be used for measurement POLARITY n e Selects a polarity SAMPLE HI 8 57 58 0587 8 57 INPUT xi 49 558 Y1 8 X2 50 558 Y2 isaf STAT AvE 59 0542937 uuy 6 8 817347 ed 1 Press the FUNCTION key to display the FUNCTION top menu Selecting duty ratio measurement 2 Press the FUNC touch key to display the measurement function menu 3 Press the DUTY touch key to select duty ratio measurement The screen will return to the FUNCTION top menu when the DUTY touch key is pressed Selecting the channel to be used for measurement 4 Press the CHA CHB touch key to select the desired channel CHA or CHB The highlighted channel CHA or CHB will be selected Selecting the polarity 5 Press the POLARITY touch key to highlight POLARITY 6 Turn the rotary knob to select the desired polarity Measurement function menu PERIOD i TIME INTERVAL PHASE PULSE WIDTH D Selects duty ratio me
180. y the DISPLAY top menu Selecting the list display function 2 Press the DISP touch key to display the display format menu 3 Press the LIST touch key to select the list display function The screen will return to the DISPLAY top menu when the LIST touch key is pressed Setting the data to be displayed in a list 4 Tum the rotary knob or use the ten key to select the data to be displayed in a list The value displayed on the NUMBER touch key indicates the data number of the highlighted data in the list Display format menu HISTO GRAM LIST TIME VAR STATIS TICS Selects the list display function Displayed for time stamp mode only IM 704210 01E 7 17 ejeg peinduio2 paunsee y ay BuiAejdsig H 7 6 Selecting the List Display Function and Displaying the Data Jumping to the top data 6 Press the TOP touch key 1 will be displayed on the NUMBER touch key In the case of time stamp mode the first measured value of the measurement block will be displayed at the top of the list In the case of hardware histogram mode the smallest value representative value inside the window will be displayed at the top of the list Jumping to the bottom data 7 Press the BOTTOM touch key In the case of time stamp mode the last measured value of the measurement block will be displayed at the bottom of the list The value displayed on the NUMBER touch key indicates the data number of the last measured value In th
181. y the signal which overlaps the specified DC voltage Input terminal DC coupling The signal is input directly to the amplifier DC coupling is used to measure all the AC and DC components of the input signal Input terminal O Input Impedance For operating procedure refer to 6 1 To reduce attenuation or distortion of the signal to be measured an input impedance can be selected from 50 Q and 1 MQ to match the output impedance of the source of the signal Measurement Block The instrument carries out a series of processes from measurement to data processing and display repeatedly The minimum block of each series of processes is called measurement block When the number of samples number of data items for each series is assumed to be N each series of processes measurement processing and display of N samples is called one block measurement Samples S1 S2 S3 to SN within the measurement block are measured as shown below by sampling pulses P1 P2 P3 to PN generated at the specified sampling intervals For setting the sampling intervals refer to page 1 10 When the period of the input signal is longer than the sampling interval Preparation 1 block for measurement 1 block Data processing Measurement block I Measurement block gt display m Input signal 6 l S1 S2 s3 SN S1 S2 S3 dp d A a Pod ER d A S

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