Home

HP 1333A Universal Counter Service Manual

1. 20 1 Since this is gt 10 1 the entry in Table 4 8 is gt 10 1 Each performance verification test includes an example program to perform the test Each example uses address 70906 for the counter and an HP 9000 Series 200 300 computer running HP BASIC and SCPI Standard Commands for Programmable Instruments commands You may need to change the counter address and or command syntax to perform the examples for your setup As required see the mainframe user s manual for information on address selection and cabling guidelines See the HP E1333A User s Manual for information on counter SCPI commands 26 Verification Tests Chapter 4 Functional Verification Tests The functional verification tests for the HP E1333A can be performed at any time to verify the counter is functional and is communicating with the mainframe external computer and or external terminal The functional tests for the HP E1333A counter are e Counter Self Test e Totalizing Measurements Test Optional e Ratio Measurements Test Optional e Trigger Level Test Optional Counter Self Test This test verifies the counter is communicating with the mainframe external controller and or external terminal by performing a counter self test TST command See Operator s Checks in Chapter 3 for a description of the counter self test Totalizi Ng This test verifies the totalize measurement functions on Channels 1 and 2 at Measurement Test Hz an
2. printf id RST n printf id INP COUP DC n iprintf id INP IMP MIN n printf n nTotalize Counts for i Oji lt 1 if i 0 freq 1 Hz else freq 4 MHz for chan 1 chan lt 2 chan printf n n 1 Set input to channel u to s 50 mV rms sine wave chan freq printf n 2 Press ENTER when connections are complete getchar counter 0 timer 0 printf n nTotalizing counts for channel You chan printf n This will take about 15 seconds printf id CONF u TOTn chan iprintf id INIT u n chan while counter lt 15 84 Verification Tests C Programs Appendix B timer printf id FETC uAn chan iscanf id f amp reading if reading gt counter counter reading printf timer 0 if timer gt 200 printf nin Channel You FAILED to count chan goto FAIL printf n nChannel u PASSED Totalizing Measurements Functional Test for s chan freq FAIL iclose id Close instrument session Ratio This test checks the ratio measurements function of the HP E1333A for Measurements Test Channel 1 Channel 2 using Channel 1 and Channel 2 frequencies and ratios shown in Table 4 1 Ratio Measurements Functional Test E1333A include lt stdio h gt include lt sicl h gt include lt math h gt define ADDR hpib7 9 06 Address of device
3. 128 periods Time Interval Same as Pulse Width timebase x interval sec Same as Period timebase initial accuracy aging rate temp drift 6 0 x 10 typical xx T V BO en input slew rate at trigger point 74 Counter Accuracy Calculations Appendix A Accuracy Calculations Examples Example Calculating Freguency Accuracy NOTE Two examples follow to calculate HP E1333A counter accuracy The first example calculates frequency measurement accuracy while the second example calculates period measurement accuracy For this example assume the following values conditions Input frequency 10 kHz sine wave Input amplitude 50 mV rms Aper time 4 096 sec Timebase 6 0 x 10 Source noise en 1 mV rms Slew rate 0 5 x frequency V sec The source noise of 1 mV is a typical value You will need to measure the noise of your source for most accurate calculations Frequency Measurement Accuracy Equation For frequency measurements accuracy Hz resolution timebase error trigger noise error Calculate Resolution For an aperture time of 4096 msec resolution 1 aper time 1 4 096 0 2441 Hz Calculate Timebase Error For frequency measurements timebase error timebase x frequency initial accuracy aging rate temp drift x frequency 6 0 x 10 X 10 Hz 0 06 Hz Calculate Trigger Noise Error From Table A 2 for frequency measurements
4. OUTPUT 70906 INIT1 WAIT 1 OUTPUT 70906 FETC1 ENTER 70906 Rdg OUTPUT 70906 MEAS2 FREQ ENTER 70906 Ch2 freq Ch2 freq PROUND Ch2 freq 2 PRINT TABXY 1 12 Results PRINT TABXY 5 14 Ch 2 frequency Ch2_freq H PRINT TABXY 5 15 Ch 1 Ch 2 ratio Rdg GOTO Start h 270 Quit 280 CLEAR SCREEN N 290 END 30 Verification Tests Chapter 4 Trigger Level Test This test checks the trigger level accuracy on Channel 1 for the 2 56V OV 2 54V and 25 4V trigger levels Table 4 2 shows the trigger levels measured the input attenuation level in dB and the below level and above level voltage values for each trigger level Table 4 2 Trigger Level Tests Trigger Level Input Attenuation Below Level Above Level V dB Value V Value V 2 56 2 836 2 284 0 00 0 02 0 02 2 54 2 266 2 814 25 4 22 66 28 14 For this test the HP E1333A is set to TOTalize mode and the desired trigger level is set Next a DC voltage is input which is less than the specified trigger level value and the count is measured should be 0 The voltage is then set above the trigger level value and the totalized count is measured again should be at least 1 If the increased count is gt 0 the test passes The below level and above level values in Table 4 2 are derived from Below Level Value Above Level Value Below Level Value Above Level Value lt o dB Trig L
5. Output a 1 Vac PP triangle wave at 10 kHz from the HP 3325A to Channel 1 of the HP E1333A You should see a square wave Adjust potentiometer R11 until the positive and negative pulses of the square wave are equal in width Repeat steps 2 and 3 with triangle waves of amplitudes of 250 mV PP and 50 mV PP The adjustment becomes more accurate as the input amplitude becomes smaller For Channel 2 adjustments repeat steps 1 through 4 except connect the HP 3325A output to Channel 2 connect the oscilloscope to U2 pin 12 and the input Common and adjust R10 anna oo LO oooO Y OOOO V Fa racacaca Vv ooo Ps Q O Chapter 5 Adjustments 57 Notes 58 Adjustments Chapter 5 Chapter 6 Replaceable Parts Introduction Exchange Assemblies Ordering Information This chapter contains information to order replaceable parts for the HP E1333A counter Table 6 1 lists assemblies that may be replaced on an exchange basis EXCHANGE ASSEMBLIES Exchange factory repaired and tested assemblies are available only on a trade in basis Defective assemblies must be returned for credit Assemblies required for spare parts stock must be ordered by the new assembly part number Contact your nearest Hewlett Packard Sales and Service Office for details To order a part listed in Table 6 1 specify the Hewlett Packard part number the check digit CD and
6. void main INST id Define id as an instrument int i float reading 5 freg1 5 freq2 5 double freq Appendix B Verification Tests C Programs 85 if defined __BORLANDC amp amp defined __WIN32__ _lnitEasyWin endif ionerror ERROR EXIT Exit on error id iopen ADDR Open instrument session iprintf id RST n iprintf id INP COUP DC iprintf id INP IMP MIN n for i 2 i lt 6ji iprintf id CONF1 RAT 1E6 1E3 n iprintf id INIT 1 n freq pow 10 i printf mn 1 Set input to channel 1 to 1 MHz 50 mV rms sine wave printf n 2 Set input to channel 2 to lf Hz 50 mV rms sine wave freq printf nPress ENTER when connection is complete getchar iprintf id INIT 1 n printf id FETC1 n iscanf id f amp reading i 2 printf id MEAS1 FREQ n iscanf id f amp freq1 i 2 iprintf id MEAS2 FREQ WM iscanf id f amp freq2 i 2 printf mn printf nCh 1 Freq Ch2 Freq Ch1 Ch2 Ratio Ch1 Ch2 Ratio printf n should be measured n for i 0 i lt 4 i printf n 0f Hz 7 0f Hz 5 0f 965 0f freq1 i freq2 i freq1 i freg2 il reading i iclose id close instrument session 86 Verification Tests C Programs Appendix B Trigger Level Test This test checks the trigger level accuracy on Channel 1 for the 2 56V OV 2 54V and 25 4V tr
7. 14xT i i ss trigger noise error Hz aperi z frequency Appendix A Counter Accuracy Calculations 75 V _ 80HLV en input slew rate at trigger point where T en rms noise in uV on the input signal Thus for input noise en 1 mV aper time 4 096 sec and slew rate 0 5 x 10 V sec 5x 10 HV sec the trigger noise error for a 10 kHz input is trigger noise error Hz V 80u V 1000 9 x 10 Hz 4 096 sec x 5 x 107 Mec 1 4 x 1 686 x 10 Hz 0 000686 Hz Calculate Frequency Measurement Accuracy Since accuracy frequency measurements resolution timebase error trigger noise error accuracy 0 2441 Hz 0 06 Hz 0 000686 Hz 0 3048 Hz Effects of Varying Although this example showed resolution as the primary contributor to Signal Conditions counter accuracy timebase errors can also be a major contributor as shown in Table A 3 For Case 1 the resolution error contributes about 79 of the error However for Case 2 the timebase error contributes about 99 of the error For Case 3 triggering is assumed to NOT be at the midpoint of the sine wave and a slew rate of 1 V sec is assumed However even with a very slow slew rate the trigger noise error is only about 0 14 Table A 3 Effects on Frequency Accuracy of Varying Input Conditions Slew Rate Resolution Timebase Trigger Counter V sec Hz Error Hz Error Hz Acc Hz 0 2441 0 06 3 43 x
8. 5x 107 0488 0030 6 8578 6 909 99 78 Counter Accuracy Calculations Appendix A Counter Accuracy Programs Two programs follow to calculate counter accuracies After you enter the parameter values the program computes the appropriate measurement accuracies and prints the results The programs are designed for HP 9000 Series 200 300 computers using HP BASIC Freq uency To make frequency measurement accuracy calculations first enter the Measurement desired number of accuracy calculations you want to make up to 100 sets of Accura cy calculations Then for each calculation enter the desired values for Frequency Hz Aper time sec Timebase Source noise V rms Slew rate V sec The program calculates frequency measurement accuracy for each set of input values and prints or displays the results A typical display follows the program listing NOTE If you want to make more than 100 calculations change the DIM statement line 40 for the number of calculations required Also if your printer address is not 701 change line 30 PRINTER IS 701 to your printer address If you do not want to use a printer change line 30 to 30 PRINTER IS 1 Program Listing 10 Calc no 0 20 OPTION BASE 1 30 PRINTERIS 701 40 DIM Freq 100 Aper 100 Timebase 100 Noise 100 Slewrate 100 Accuracy 100 50 INPUT Select number of calculations 1 to 100 Calc no 60 FORI 1 TO Calc no 7
9. Appendix A Counter Accuracy Calculations 77 Calculate Trigger Noise Error From Table A 1 trigger noise error sec 1 4 x T nper where v _ 80uV en input slew rate at trigger point For a 1 mV rms input noise 32 periods averaged and slew rate 0 5 200 x 107 2500 V sec 2 5 x 10 pV seo trigger noise error sec V 800 10000 32 x 2 5 x 10 Mee 1 4x 17 556 nsec Calculate Period Average Measurement Accuracy accuracy period average measurements resolution timebase error trig noise error t 3 125 nsec 1 2 nsec 17 556 nsec 21 881 nsec Effects of Varying Although this example showed trigger noise error as the primary contributor Signal Conditions to counter accuracy resolution errors and timebase errors can also be major contributors as shown in Table A 4 For Case 1 the resolution error contributes about 88 of the error However for Case 2 the timebase error contributes about 86 of the error For Case 3 triggering is assumed to NOT be at the midpoint of the sine wave With a slow slew rate of 100 V sec the trigger noise error is about 99 of the total error Table A 4 Effects on Period Accuracy of Varying Input Conditions Period Periods Slew Rate Resolution Timebase Trigger Counter sec Avgd V sec nsec Error nsec Error nsec Acc nsec 1x 10 2 50 000 6 000 0 7022 56 702 88 2 x 10 7813 12 000 1 0972 13 879 86
10. Measurements Functional Test 10 PRINT Totalize counts for the following inputs 20 PRINT 30 PRINT 1 Hz 50 mV rms sinewave 40 PRINT 4 MHz 50 mV rms sinewave 50 DISP Press any key to stop the program 60 ONKBD GOTO Quit 70 OUTPUT 70906 RST 80 OUTPUT 70906 INP COUP DC 90 OUTPUT 70906 INP IMP MIN 100 FOR Chan 1 TO2 110 OUTPUT 70906 CONF amp VAL Chan amp TOT 120 OUTPUT 70906 INIT amp VAL Chan 130 NEXT Chan 140 Start 150 FOR Chan 1 TO2 160 OUTPUT 70906 FETC 8VAL Chan 8 170 ENTER 70906 Reading Chan 180 PRINT TABXY 1 7 Chan Channel Chan total counts Reading Chan 190 NEXT Chan 200 GOTO Start 210 Quit 220 CLEAR SCREEN 230 END 28 Verification Tests Chapter 4 Ratio This test checks the ratio measurements function of the HP E1333A for Measurements Test Channel 1 Channel 2 using Channel 1 and Channel 2 frequencies and ratios shown in Table 4 1 Table 4 1 Ch 1 Ch 2 Ratio Measurements Ch 1 Freg Ch 2 Freq Ch 1 Ch 2 Ratio 1 MHz 100 Hz 10000 1 MHz 1 kHz 1000 1 MHz 10 kHz 100 1 MHz 100 kHz 10 1 MHz 1 MHz 1 Equipment Setup Connect the equipment as shown in Figure 4 2 Then set the Channel 1 and Channel 2 sources to output sine waves at 50 mV rms Set Channel 1 frequency to 1 MHz HP 3325A unction Generator E DODUU HP E1333A El El A 6 m A ele ff J J Iutpu Jj zw Hz rm I
11. Average Measurements of channel 1 printf n Period 96s per i printf n Periods Averaged You nper i printf mn 1 Set source frequency to 96s 50 mV rms sine wave freq i printf nPress ENTER when ready getchar printf id SENS1 FUNC PER n printf id SENS1 PER NPER u n nper i iprintf id READ1 An iscanf id f amp reading i printf n nPeriod Measurements Performance Test Completed printf nPress ENTER to display the results getchar printf mn printf nCh Period Periods Measured printf n sec Averaged Period sec n for i 0 i lt 12 i printf ni 8s 4u f per i nper i reading i iclose id Close instrument session Appendix B Verification Tests C Programs 91 Pulse Width This test measures positive and negative pulse width averages on Channels Measurements Test and2at0 5 Hz and 500Hz Table 4 6 shows the pulse widths and pulse polarities measured Pulse Width Measurements Test E1333A include lt stdio h gt include lt sicl h gt define ADDR hpib7 9 06 Address of device void main INST id Define id as an instrument int i chan 8 float reading 8 float pulse 8 1 001 1 001 1 001 1 001 char pulse wid 8 1 sec 1 sec 1 msec 1 msec 1 sec 1 sec 1 msec 1 msec char type 8 POS NEG POS NEG POS NEG PO
12. CHAN M3X0 5 2 9 MM THK WASHER LK HLCL 3 0 MM 3 1 MM ID CONN POST TYPE 2 54 PIN SPCG96 CONT RIVET SEMITUBULAR 095 DIA 328 LNG SWITCH DIP RKR SPST 0 1A 5VDC SOCKET IC 40 CONT DIP DIP SLDR MP1 MP2 PNL1 SCR1 SCR2 SCR5 SCR6 See Table 6 2 for Reference Designator definitions E1300 45101T E1300 45102T E1333 00202T 0515 2140 0515 2743 MECHANICAL PARTS HNDL KIT TOP HPT HNDL KIT BTM VXIT PNL RR CENTER 4 CHt SCR THD RLG M2 5 X0 45 14mm SCR FH M2 5 X 8 THREAD ROLLING a Repair limited to replacement of parts listed see Introduction for ordering information T These parts are not compatible with older version fixed handles and their corresponding front panels To replace one or more of these older parts you must order all three new parts Top and Bottom Handle Kits AND Front Panel 62 Replaceable Parts Chapter 6 Table 6 2 HP E1333A Reference Designators assembly electrical connector jack electrical connector jumper misc mechanical part Figure 6 1 HP E1333A Counter Replaceable Parts Chapter 6 Replaceable Parts 63 Notes 64 Replaceable Parts Chapter 6 Chapter 7 Service Introduction WARNING Equipment Required Service Aids This chapter contains information to service the HP E1333A counter including troubleshooting guidelines and repair maintenance guidelines Do not perform any of the service procedures shown unless you are a qu
13. P3 Figure 4 4 Frequency Measurements Test Connections Chapter 4 36 Verification Tests Test Procedure 1 Set HP E1333A input conditions e Reset counter iia e a E Ee RST e Set DC coupling 004 INP COUP DC e Set 50Q input impedance INP IMP MIN 2 Measure Channel 1 frequencies HP 3325A Source e Connect HP 3325A to Channel 1 e Set HP 3325A outptut 10 Hz at 25 mV rms e Set FREQ function on Ch 1 SENS1 FUNC FREQ e Set 32 768 sec aperture SENS1 FREQ APER 32 768 e Read measurement result READ1 e Verify result within limits Table 4 8 e Repeat steps for each HP 3325A Channel source frequency source amplitude and aperture time entry in Table 4 4 3 Measure Channel 1 frequencies HP 8663A Source e Connect HP 8663A to Channel 1 e Set HP 8663A output 20 MHz at 25 mV rms e Set 128 sec aperture SENS1 FREQ APER 128 e Read measurement result READ1 e Verify result within limits Table 4 8 e Repeat steps for each HP 8663A Channel 1 source frequency source amplitude and aperture time entry in Table 4 4 4 Measure Channel 2 frequency HP 8663A Source Connect HP 8663A to Channel 2 e Set HP 8663A output 100 MHz at 25 mV rms e Set 002 sec aperture SENS2 FREQ APER 002 e Read measurement result o o o READ2 e Verify resu
14. di SE d J Frequency Measurements Trigger Noise Error o o 73 Period Measurements Trigger Noise EITOT x ls won ai da a tapat 74 Counter Accuracy Equations Table 24 64 5406 604 m9 74 Accuracy Calculations Examples es ces d45445 645 GE ROS RR Yew SES T2 Example Calculating Frequency Accuracy won n w on kou w 4 R9 w es 75 Eftects of Varying Signal Conditions ou w won w won w domos eg 9 REGS 76 Example Calculating Period Average Accuracy FI Effects of Varying Signal Conditions e 78 Comnter Accuracy Programs wou ww kow won a o been 3 OR OR GE OR EER ow HS 19 Frequency Measurement GCUEAOY iod Ro or 9 ar 79 Period Measurements Accuracy uou rr ira WO A NC AC Y OS 80 2 Contents HP E1333A Universal Counter Service Manual Appendix B Verification Tests C Programs 83 Functional Verification Tests 252 as 245455 85 AAA 83 CIP ees 9 Se he EER 49 ERS EOS Shee She qd qu ed HS 83 Tot l zins Measurement Test 5 242026 s 404004 444048445495 RR 84 Ratio Measurements Tests 24 4 2h 544 KE aerae der HERR EGE OOS 85 Taeger Level Test 3 lt va Ss te sads ORES PERS dot AA 87 Fertormance Veriticallon Tests 2 words GAG wk EES SESS OS Eo HE EEG 89 Frequency Measurements Test gt se 3 4455445 xk RGR EORR RO REGE ou 89 Period Average Measurements o aoc 9 939 9 W SHE SS KG MSGS e 9 90 Pulse Width Measurements Test wow s wk w stb Rs ERRASSE 92 Time Inter
15. kHz 8 192 sec gate Chan 1 1 MHz 1 024 sec gate Chan 2 100 MHz 0 002 sec gate Chan 3 400 MHz 0 016 sec gate Period average Chan 1 1 msec period average 16 periods Chan 1 1 usec period average 1024 periods Pulse Width Chan 1 1 msec pulse width POS pulse Chan 2 1 msec pulse width POS pulse Time Interval Chan 1 500 nsec interval Ch 1 POS to Ch 2 NEG edge Chan 2 500 nsec Interval Ch 2 POS to Ch 1 NEG edge 34 Verification Tests Chapter 4 Performance Verification Tests Performance verification test objectives are to instill a high degree of confidence that the HP E1333A 3 Channel Universal Counter is meeting the specifications listed in Appendix A Specifications of the HP E1333A User s Manual Performance verification tests are required whenever a calibration is required The HP E1333A counter performance verification tests are Frequency Measurements Period Average Measurements Pulse Width Measurements e e e e Time Interval Measurements NOTE For best results the HP E1333A 10 MHz reference oscillator should be adjusted to 10 MHz 10 Hz Before beginning the performance verification tests you may want to perform the Reference Oscillator Adjustment procedure in Chapter 5 Adjustments Freq uency This test checks frequency measurement accuracy on Channels 1 2 and 3 Measurements Test Input level sensitivity is tested indirectly by using input signals with amplitudes equal t
16. lessen RST Set DC coupling eeeue INP COUP DC Set 50Q Input Impedance INP IMP MIN 2 Measure Channel 1 periods Connect HP 3325A to Channel 1 Set HP 3325A output 1 Hz at 50 mV rms Set PER function on Ch 1 SENS1 FUNC PER Set 2 periods avgd SENS1 PER NPER 2 Read measurementresult o e READ1 Verify result within limits Table 4 8 Repeat steps for each HP 3325A Channel 1 source frequency and periods averaged entry in Table 4 5 3 Remove power and disconnect test equipment Example Period This program measures period averages on Channel 1 for the periods and number of periods averaged shown in Table 4 5 Average Measurements 10 20 30 40 50 60 70 80 90 100 110 120 130 140 150 160 170 180 190 200 210 220 230 240 250 260 270 280 290 300 310 320 330 340 350 xe OPTION BASE 1 DIM Nper 13 Per 13 10 Freg 13 10 Read 13 DATA 2 4 8 16 32 64 128 256 512 DATA 1024 2048 4096 8192 READ Nper DATA 1 sec 100 msec 10 msec 1 msec 200 usec 100 usec 20 usec DATA 10 usec 2 usec 1 usec 500 nsec 200 nsec 100 nsec READ Per DATA 1 Hz 10 Hz 100 Hz 1 kHz 5 kHz 10 kHz 50 kHz DATA 100 kHz 500 kHz 1 MHz 2 MHz 5 MHz 10 MHz READ Freg OUTPUT 70906 RST OUTPUT 70906 INP COUP DC OUTPUT 70906 INP IMP MIN FOR 1 TO 13 OUTPUT CRT Period Average M
17. specifications Counter error messages Preventive Maintenance Preventive Maintenance for the HP E1333A counter consists of periodically cleaning the counter and then running the Operator s Check TST command For best results you should clean the counter once a year or more often if the counter is used in a very dusty or very humid area See Table 3 1 for recommended cleaning eguipment and supplies Description Recommended Use Soft bristle brush Remove dust from printed circuit board Mild soap solution Clean faceplate panel Lint free cloth Clean faceplate panel Chapter 3 Operating Instructions 21 WARNINGS and CAUTIONS WARNING To eliminate possible electrical shock disconnect AC power from the mainframe and disconnect all inputs to the counter before removing the counter from the mainframe CAUTION Use static control devices wrist straps static mats etc when handling the printed circuit assembly Also do not use a vacuum cleaner to remove dust from the printer circuit assembly See Chapter 8 Service for electrostatic discharge ESD precautions Cleaning Procedure Use the following steps to clean the counter Disconnect any user wiring connected to the input terminals Remove dust from the printed circuit surface Clean all contacts indicated in Figure 3 1 Clean the faceplate panel using a lint free cloth Reconnect user wiring to the counter input connectors nABWN Re 22 Ope
18. usec 1 usec 500 nsec 200 nsec 100 nsec 9 9858948E 01 9 9929151E 02 9 9964163E 03 9 9981219E 04 1 9997812E05 9 9993449E 05 1 9998660E 05 9 9994397E 06 1 9997817E 06 9 9989360E 07 4 9994749E 07 1 9997425E 07 9 9987159E 08 Pulse Width Measurements Channel 1 2 Periods Averaged Pulse Polarity Low Limit msec Measured Width msec 1 0014105E 0 1 0007085E 01 1 0003584E 02 1 0001878E 03 2 0002188E 04 1 0000655E 04 2 0001340E 05 1 0000560E 05 2 0002183E 06 1 0001064E 06 5 0005251E 07 2 0002575E 07 1 0001284E 07 High Limit msec 3 00000E 11 3 00000E 12 3 00000E 13 3 00000E 14 6 00000E 15 3 00000E 15 6 00000E 16 3 00000E 16 6 00000E 17 3 00000E 17 1 50000E 17 6 00000E 18 3 00000E 18 Meas Uncert sec POS NEG POS NEG POS NEG POS NEG 997 18500 997 18500 99714 99714 997 18500 997 18500 99714 99714 1002 81500 1002 81500 1 00286 1 00286 1002 81500 1002 81500 1 00286 1 00286 3 00000E 11 3 00000E 11 3 00000E 14 3 00000E 14 3 00000E 11 3 00000E 11 3 00000E 14 3 00000E 14 Time Interval Measurements Channels 1 and 2 1 Period Averaged Ch Ch 1 Ch2 Time Low Measured Interval High Limit Meas Test Edge Edge Interval Limit nsec nsec Uncert Acc nsec nsec sec Ratio 1 POS NEG 500 397 191 602 809 1 500000E 17 gt 10 1 2 NEG PO
19. widths and pulse polarities measured Table 4 6 Pulse Width Measurements Tests Pulse Width Pulse Polarity 1 sec POS 1 sec NEG 1 msec POS 1 msec NEG 1 sec POS 1 sec 1 msec 1 msec Equipment Setup Connect the HP 3325A Function Generator to Channel 1 as shown in Figure 4 6 Then set the HP 3325A to output a sguare wave at 50 mV rms HP El HP 3323 Function Generator _ B Hango LI LI 7 A fan 8 L F L L J ipu JLoes5 1 Figure 4 6 Pulse Width Measurements Connections Chapter 4 Verification Tests 43 Test Procedure 1 Set HP E1333A input conditions Reset COUHIteE cido sacs cane tusi stars at Reales RST e Set DC coupling 0 00 INP COUP DC e Set 50Q input impedance INP IMP MIN 2 Measure Channel 1 positive pulse widths e Connect HP 3325A to Channel 1 e Set HP 3325A output 0 ee eee 0 5 Hz e Set pos pulse width on Ch 1 SENS1 FUNC PWID e Average 2 periods SENS1 TINT NPER 2 e Readmeasurementresult READ1 e Verify result within limits Table 4 8 e Repeat steps for 500 Hz 3 Measure Channel 1 negative pulse widths e Set HP 3325A output eese 0 5Hz e Set neg pulse width on Ch 1 SENS1 FUNC NWID e Readmeasurementresult READ1 e Verify result within limits Table 4 8 e Repea
20. 0 CLEAR SCREEN 80 OUTPUT CRT Select values for frequency accuracy calculation number 90 INPUT Frequency Hz Freq l 100 INPUT Aper time sec Aper l 110 INPUT Timebase Timebase l 120 INPUT Source noise V rms Noise l Continued on Next Page Appendix A Counter Accuracy Calculations 79 Typical display 130 INPUT Slew rate V sec Slewrate l 140 Accuracy l 1 Aper l Timebase Freq l 1 4 Freq l SQRT 8 0E 5 2 Noise l 2 Slewrate l Aper l 150 NEXT I 160 CLEAR SCREEN 170 PRINT Frequency Measurement Accuracy Hz 180 PRINT 190 PRINT 200 Format IMAGE 10A 4X 10A 2X 12A X 14A 2X 12A 3X 8A 210 PRINT USING Format Frequency AperTime Timebase Source Noise Slew Rate Accuracy 220 PRINT USING Format Hz sec V rms V sec Hz 230 PRINT 240 FOR l 1 TO Calc no 250 Format1 IMAGE D 5DE 3X 2D 3D 3X D 5DE 3X D 5DE 4X D 5DE 3X 2A D 5DE 260 PRINT USING Formati Freg l Aper l Timebasef Noise l Slewrate CHR 254 Accuracy 270 NEXT I 280 END Frequency Measurement Accuracy Hz Frequency Aper Time Hz sec 1 00000E 04 4 096 Period Measurements Accuracy Timebase Source Noise Slew Rate Accuracy v rms V sec Hz 6 00000E 6 1 00000E 03 1 00000E 03 3 07570E 01 To make period pulse width time interval accuracy calculations enter the number of accuracy calculations you want to make u
21. 0 CLEAR SCREEN 170 PRINT Period Pulse Width Time Interval Measurement Accuracy sec 180 PRINT 190 PRINT 200 Format IMAGE 12A 3X 8A 2X 11A 2X 12A 3X 9A 6X 8A 210 PRINT USING Format Period P W Periods Timebase Source Noise Slew Rate Accuracy Te G USING Format T l sec Averaged V rms V sec sec 230 PRINT 240 FOR l 1 TO Calc no 250 Format1 IMAGE D 5DE 3X 5D 3X D 5DE 3X D 5DE 3X D 5DE 3X 2A D 5DE 260 PRINT USING Format1 Period l Nper l Timebase l Noise l Slewrate l CHR 254 Accuracy l 270 NEXT I 280 END Appendix A Counter Accuracy Calculations 81 Typical Display Period Pulse Width Time Interval Measurement Accuracy sec Period P W Periods Timebase Source Noise Slew Rate Accuracy T I sec Averaged sec V rms V sec sec 2 00000E 03 128 6 00000E 6 1 00000E 03 1 00000E 04 1 38785E 08 82 Counter Accuracy Calculations Appendix A Appendix B Verification Tests C Programs Functional Verification Tests These programs are designed to do the Functional Verification Tests found in Chapter 3 Operating Instructions and Chapter 4 Verification Tests Operato rs Check The Operator s Check for the HP E1333A counter consists of sending the self test TST command and checking the return The operator s check can be used at any time to verify the counter is connected properly and is responding to the self test command See Chapter 7 Se
22. 0 DATA 1 E8 7 5E7 1 E8 2 E8 4 E8 6 E8 9 E8 1 E9 140 READ Freq 150 DATA 10 Hz 100 Hz 1 kHz 10 kHz 100 kHz 1 MHz 4 MHz 10 MHz 160 DATA 20 MHz 50 MHz 100 MHz 100 MHz 100 MHz 100 MHz 100 MHz 100 MHz 170 DATA 100 MHz 75 MHz 100 MHz 200 MHz 400 MHz 600 MHz 900 MHz 1 GHz 180 READ Freg 190 OUTPUT 70906 RST 200 OUTPUT 70906 INP COUP DC 210 OUTPUT 70906 INP IMP MIN 220 FORI 1 TO 24 230 IFlI 17 THEN Chan l 1 240 IFlI217 THEN Chan l 2 250 IFI 17 THEN Chan l 3 260 OUTPUT CRT Frequency Measurernents on Channel Chan l 270 OUTPUT CRT Frequency Freq l 280 OUTPUT CRT Aperture time Aper l sec 290 OUTPUT CRT 300 OUTPUT CRT Set source frequency to Freq l 310 OUTPUT CRT Set source output to Ampl l rms 320 DISP Press Continue when ready 330 PAUSE 340 CLEAR SCREEN 350 OUTPUT 70906 SENS amp VAL Chan l amp FUNC FREQ 360 OUTPUT 70906 SENS amp VAL Chan lI amp FREQ APER Aper l 370 OUTPUT 70906 READ amp VAL Chan I amp 380 ENTER 70906 Read l 390 NEXT I 400 PRINT Frequency Measurments Performance Test Completed 410 PRINT Press Continue to display the results 420 PAUSE 430 CLEAR SCREEN 440 PRINT HP E1333A counter Frequency Measurements 450 PRINT 460 Format IMAGE 4X 2A 4X 9A 5X 9A 8X 9A 470 PRINT USING Format Ch Frequency Aper Time Measured 480 PRINT USING Format Hz sec Freq Hz 490 PRINT 500
23. 00006 1 msec NEG 99976 2 1 sec POS 1000 02296 2 1 sec NEG 1000 05296 2 1 msec POS 1 00026 2 1 msec NEG 99966 Time Interval This test checks time interval accuracy on Channels 1 and 2 for the time Measurements Test interval and edges shown in Table 4 7 where POS rising edge and NEG falling edge of channel input Table 4 7 Time Interval Measurements Tests Time Inverval Ch 1 Edge Ch 2 Edge 500 nsec NEG POS 500 nsec POS NEG Equipment Setup Connect the HP 3325A Function Generator to Channels 1 and 2 tee connection as shown in Figure 4 7 Then set the HP 3325A to output 1 MHz square waves at 50 mV rms 46 Verification Tests Chapter 4 HP 3325 Function Generator LA ill Il ara HP E1333A m E ET E Jem 2 ut 4 ee S o0 l E _ L i a 6 ES m be M MHz TL 8 50 mV rm ec NS J N L Figure 4 7 Time Interval Measurments Connections Test Procedure 1 Set HP E1333A input conditions e Reset counter e ee san RST e Set DC coupling 00 INP COUP DC e Set 50Q input Impedance INP IMP MIN 2 Measure Channel 1 time interval e Set time interval on Ch1 SENS1 FUNC TINT e Set Ch 1 POS edge SENS1 EVEN SLOP POS e Set Ch 2 NEG edge SENS2 EVEN SLOP NEG e Read measurement result READ1 e Verify result within limits Table 4 8 3 Measure Channel 2 t
24. 025 025 025 025 025 025 025 025 025 025 025 01 01 01 01 01 03 04 float freg 24 1 E1 1 E2 1 E3 1 E4 1 E5 1 E6 4 E6 1 E7 2 E7 5 E7 1 E8 1 E8 1 E8 1 E8 1 E8 1 E8 1 E8 7 5E7 1 E8 2 E8 4 E8 6 E8 9 E8 1 E9 if definedd BORLANDC 88 defined __WIN32__ _lnitEasyWin endif ionerror ERROR EXIT Exit on error id iopen ADDR Open instrument session iprintf id RST n iprintf id INP COUP DC n iprintf id INP IMP MIN n printf mnFrequency Measurements for i Oi lt 23 i if i lt 16 chan i 1 if i 16 chan i 2 if i gt 16 chan i 3 Appendix B Verification Tests C Programs 89 printf n nFrequency Measurements of channel u chan i printf n Frequency f Hz freq i printf n Aperture time f sec aperli printf mn 1 Set source frequency to f Hz freq i printf n 2 Set source output to f Volts ampl i printf nPress ENTER when ready getchar iprintf id SENS u FUNC FREQ n chan i printf id SENS u FREQ APER 3f n chan i aper i printf id READ Y u n chan i iscanf id f amp reading i printf n nFrequency Measurements Performance Test Completed printf nPress ENTER to display the results getchar printf mn printf nCh Frequency Aper Time Measured printf n Hz sec Freq Hz n fo
25. 10 0 3076 79 0 0305 4 29 x 10 60 0309 0 2441 3 43 x 104 0 2445 99 76 Counter Accuracy Calculations Appendix A NOTE Example Calculating Period Average Accuracy NOTE Although the combinations shown in TableA 3 do not necessarily reflect actual test conditions the numbers do indicate that a careful analysis of the input signal and triggering points is required to determine the accuracy of your measurements For this example assume the following values conditions Input period 200 psec 5 kHz sine wave Number periods averaged 32 Timebase 6 0 x 10 Source amplitude 50 mV rms Source Noise en 1 mV rms Slew rate 0 5 period V sec The source noise of 1 mV is a typical value You will need to measure the noise of your source for most accurate calculations You can use this example for time interval and pulse width measurements by substituting the appropriate equations shown in Table A 2 Period Measurement Accuracy Equation For period measurements accuracy sec resolution timebase error trigger noise error Calculate Resolution For 32 periods to be averaged resolution 100 nper 100 32 3 125 nsec Calculate Timebase Error For period measurements timebase error sec timebase x period initial accuracy aging rate temp drift x period For this example timebase error 6 0 x 109 x 200 x 109 t 1 2 nsec
26. 23 Notes 24 Operating Instructions Chapter 3 Chapter 4 Verification Tests Introduction WARNING Test Conditions and Procedures Performance Test Record The three levels of test procedures described in this chapter are used to verify that the HP E1333A counter e is fully functional Functional Verification e meets selected testable specifications Operation Verification e meets all testable specifications Performance Verification Do not perform any of the following verification tests unless you are a qualified service trained person and have read the WARNINGS and CAUTIONS In Chapter 1 For valid tests all test equipment and the counter must have a one hour warm up and the line voltage must be 115 230 Vac 10 See Table 1 2 Recommended Test Equipment for test equipment requirements For best test accuracy the ambient temperature of the test area should be between 18 C and 28 C and stable to within 1 C You should perform the Performance Verification tests at least once a year For heavy use or severe operating environments perform the tests more often The verification tests assume the person performing the tests understands how to operate the mainframe counter and specified test equipment The test procedures do not specify equipment settings for test equipment except in general terms It is assumed a qualified service trained person will select and connect the cables and adapters requ
27. 7 Service 69 Notes 70 Service Chapter 7 Appendix A Counter Accuracy Calculations Introduction This appendix shows how counter accuracy is defined and calculated for the HP E1333A 3 Channel Counter See Table 4 8 Performance Test Record for the HP E1333A Counter for values of counter accuracy Counter accuracy is defined as the expected accuracy of the measurement due ONLY to the HP E1333A counter The Low Limit entry in Table 4 8 corresponds to the lower value of counter accuracy while the High Limit entry in Table 4 8 corresponds to the upper value of counter accuracy For further information on counter accuracy specifications see Application Note 200 Fundamentals of Electronic Counters HP part number 02 5952 7506 and Application Note 200 4 Understanding Frequency Counter Specifications HP part number 02 5952 7522 Calculating Counter Accuracy NOTE For the HP E1333A counter accuracy is defined for Frequency Measurements Period Average Measurements Pulse Width Measurements and Time Interval Measurements by the following equation accuracy resolution timebase error trigger noise error Resolution is defined as the smallest change in the measurement that can be detected For frequency measurements resolution is in Hz For period average pulse width and time interval measurements resolution is in seconds see Table A 1 For Channel 3 frequency accuracy calculations
28. Contents HP E1333A Universal Counter Service Manual Edition 4 Click here to Return to HP TS 5400 Systems On Line Manuals Main Contents roca 2 5 T 8 dos de i aa a dla ie d 3 WARNINGS prr a e n pc di pc a rr ter tt ie 6 Salty Symbol acera A A 6 Declaration of COn gt uuo ser EAT AAA 7 Reader Comment Sheet so udo d go dg o9 UR RRR ske a RE a Maal OVEINIEW uou dioe exo vin deg V tru oo NR SO 11 Montal Coment uu m 46444 Rb OE EAS 8 RUP RON POR ROCA E REOR AO o Ro e HO 11 Chapter 1 General Information 0 000000 eee eee 13 o iu be Oh RESO RGAE ERS OSE HE He AE OS OS 13 Subety LonsderalloRS Lu sooo Baro Re REE gl ESE EAR REE DER OES sin 14 WARNINGS and CAUTIONS orreee ttr 924 p Wed 6434424 34 14 Counter DesBr pil i s 4 uus qp eee eae Paes CERE RE EB ge oS ss es 16 Counter e a AA si d fi a si a E ti al de 1 a Po n S ak 17 Counter Serial NODSES br dr a RO b KE Re de e oA I7 Comer OSK Yn e ina e SRO SST SE OEE bee ee eye e s 17 Recommended Test Equipment unos Rok E boob ER EEE EES HED 18 Chapter 2 Installation 4 4252 65544 be rn ERE REE SEEDED EE M A 19 MOORE cazo BER dd bt A ONS SEE 520 0 TT 19 Initial TOSPECU N oce SG Re do oo ERE Ree ecole de a 19 Preparation fot Use i uos 4 485 4454 4644 E AO ROS AOROADA A RO ORO ERAS RS 19 Shipping Guidelih s eu suos s go eR RR REO V Re TARE OS RR HS 20 Chapter 3 Operating Instructions o o e ee 21 ANANA 2 5 45 9 do opor deo o SR E AAA
29. ENTIAL DAMAGES WHETHER BASED ON CON TRACT TORT OR ANY OTHER LEGAL THEORY Notice The information contained in this document is subject to change without notice HEWLETT PACKARD HP MAKES NO WAR RANTY OF ANY KIND WITH REGARD TO THIS MATERIAL INCLUDING BUT NOT LIMITED TO THE IMPLIED WAR RANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE HP shall not be liable for errors contained herein or for incidental or consequential damages in connection with the furnishing performance or use of this material This docu ment contains proprietary information which is protected by copyright All rights are reserved No part of this document may be photo copied reproduced or translated to another language without the prior written consent of Hewlett Packard Company HP assumes no responsibility for the use or reliability of its software on equipment that is not furnished by HP U S Government Restricted Rights The Software and Documentation have been developed entirely at private expense They are delivered and licensed as commercial com puter software as defined in DFARS 252 227 7013 Oct 1988 DFARS 252 211 7015 May 1991 or DFARS 252 227 7014 Jun 1995 as a commercial item as defined in FAR 2 101 a or as Restricted computer software as defined in FAR 52 227 19 Jun 1987 or any equivalent agency regulation or contract clause whichever is applicable You have only those rights provided for such Soft ware and Docume
30. FOR 1 1TO8 190 IFl lt 4 THEN Chan l 1 200 IF l gt 4 THEN Chan l 2 210 OUTPUT CRT Pulse Width Measurements on Channel Chan l 220 OUTPUT CRT 230 OUTPUT CRT Measure Type l Pulse Width 240 OUTPUT CRT Pulse Width Pulse l 250 OUTPUT CRT Periods averaged 2 260 OUTPUT CRT 270 OUTPUT CRT Set source frequency to Freg 1 square wave 280 OUTPUT CRT Set source output to 50 mV rms 290 DISP Press Continue when ready 300 PAUSE 310 CLEAR SCREEN 320 OUTPUT 70906 SENS 8VAL Chan l 8 FUNC Pol l 330 OUTPUT 70906 SENS 8VAL Chan l 8 PER NPER 2 340 OUTPUT 70906 READ 8VAL Chan l 8 350 ENTER 70906 Read I 360 NEXT 370 PRINT Pulse Width Measurements Performance Test Completed 380 PRINT Press Continue to display the results 390 PAUSE 400 CLEAR SCREEN 410 PRINT HP E1333A Counter Pulse Width Measurements 420 PRINT 430 Format IMAGE 4X 2A 4X 9A 4X 9A 5X 12A 440 PRINT USING Format Ch Pulse Pulse Measured 450 PRINT USING Format Width Polarity Width msec 460 PRINT 470 Format IMAGE 4X D 5X 8A 5X 8A 6X 4D 5D 480 FORI 1TO8 490 PRINT USING Format1 Chan l Pulse l Type l Read l 1000 500 NEXT I 510 END Chapter 4 Verification Tests 45 A typical return is HP E1333A Counter Pulse Width Measurements Ch Pulse Pulse Measured Width Polarity Width msec 1 sec POS 999 99706 1 sec NEG 1000 00666 1 msec POS 1
31. Format1 1MAGE 4X D 5X 7A 6X 2D 3D 7X 10D 3D 510 FOR 1TO 24 520 PRINT USING Format1 Chan l Freg I Aper I Read l 530 NEXT I 540 END N x m 38 Verification Tests Chapter 4 A typical return is HP E1333A Counter Freguency Measurements Ch Freguency Aper Time Measured Hz sec Freg HZ 1 10 Hz 32 768 9 979 1 100 Hz 16 384 99 976 1 1 kHz 8 192 999 878 3 1 GHz 0 002 1000003001 000 Chapter 4 Verification Tests 39 Period Average This test measures period averages on Channel 1 only Period average Measurements Test measurements are made with the frequencies periods and number of periods averaged shown in Table 4 5 Channel 2 is not tested since the same circuitry is used for Channels 1 and 2 Table 4 5 Period Measurements Performance Tests Source Frequency Source Period Periods Averaged 1Hz 1 sec 10 Hz 100 msec 100 Hz 10 msec 1 kHz 1 msec 5 kHz 200 usec 10 kHz 100 usec 50 kHz 20 usec 100 kHz 10 usec 500 kHz 2 usec 1 MHz 1 usec 2 MHz 500 nsec 5 MHz 200 nsec 10 MHz 100 nsec Equipment Setup Connect an HP 3325A Function Generator to Channel 1 as shown in Figure 4 5 Then set HP 3325A to output sine waves at 50 mV rms LI 1 LI IP E1353A fr Figure 4 5 Period Measurements Test Connections 40 Verification Tests Chapter 4 Test Procedure 1 Set HP E1333A Input conditions Reset counter
32. P 3325A Function Generator OO 0200 LJ y NV LI J E J Output 100Hz 1MHz 50 mV rms Figure 4 2 Ratio Measurements Test Connections Test Procedure 1 Set the HP E1333A input conditions e Reset Co ntet ssec h t ro ees i sek RST e Coupling to DC eu INP COUP DC e Input impedance to 300 oo o INP IMP MIN Chapter 4 Verification Tests 29 Example Ratio Measurements Functional Test 2 Measure Ch 1 Ch 2 ratio at 100 Hz on Ch 2 Set Ch 1 source output a 1 MHz Set Ch 2 source output llle eee 100 Hz Set Ch 1 function range resolution CONF1 RAT 1E6 1E3 Initiate Ch 1 Ch 2 ratio MeaS o o oooooo o INIT1 Return Ch I Ch2ratioresults FETC1 Verify returned result lees ees 10000 3 Repeat Step 2 for each Ch 2 frequency in Table 4 1 4 Remove power and disconnect test equipment 130 PRINT Ch 1 Ch 2 ratio measurement PRINT PRINT Procedure PRINT PRINT 1 Set Ch 1 source to 50 mV rms sine wave at 1 MHz PRINT 2 Set Ch 2 source to 50 mV rms sine wave PRINT 3 Vary Ch 2 freq from 100 Hz to 1 MHz 5 steps PRINT 4 Check Ch 1 Ch 2 ratio at each frequency step DISP Press any key to stop the program ON KBD GOTO Quit OUTPUT 70906 RST OUTPUT 70906 INP COUP DC OUTPUT 70906 INP IMP MIN 140 Start 150 160 170 180 190 200 210 220 230 240 250 260 OUTPUT 70906 CONF1 RAT 1E6 1E3
33. POS 330 OUTPUT 70906 READ2 340 ENTER 70906 Read l 350 Continue 360 NEXT I 370 PRINT Time Interval Measurement Performance Test Completed 380 PRINT Press Continue to display the results 390 PAUSE 400 CLEAR SCREEN 410 PRINT HP E1333A Counter Time Interval Measurements 420 PRINT 430 Format IMAGE 4X 2A 6X 10A 3X 5A 3X 5A 5X 9A 440 PRINT USING Format Ch Time Ch 1 Ch 2 Measured 450 PRINT USING Format Interval Edge Edge Interval 460 PRINT USING Format nsec nsec 470 PRINT 480 Format1 IMAGE 4X D 8X 4A 8X 3A 5X 3A 5X 4D 3D 490 FOR 1 TO2 500 PRINT USING Format1 Chan l 500 Slope1 l Slope2 1 Read 1 E 9 510 NEXT I 520 END S E 48 Verification Tests Chapter 4 A typical return is HP E1333A Counter Time Interval Measurements Ch Time Ch 1 Ch2 Measured Interval Edge Edge Interval nsec sec 1 500 POS NEG 456 348 2 500 NEG NEG 55605931 Performance Test Record Table 4 8 Performance Test Record for the HP E1333A Counter can be used to record the results of each Operation Verification and Performance Verification test for the HP E1333A counter this record can be copied if desired The record includes the upper and lower limits the measurement uncertainty and the Test Accuracy Ratio TAR for the test NOTE The values for counter accuracy measurement uncertainty and TAR in Table 4 8 assume the following con
34. S NEG char freg 8 0 5 Hz 0 5 Hz 500 Hz 500 Hz O 5 Hz 0 5 Hz 500 Hz 500 Hz char pol 8 PWID NWID PWID NWID PWID NWID PWID NWID if definedd BORLANDC amp amp defined __WIN32__ _lnitEasyWin tendif ionerror ERROR EXIT Exit on error id iopen ADDR Open instrument session printf id RST n iprintf id INP COUP DC n iprintf id INP IMP MIN n printf mnPulse Width Measurements for i Oi lt 7 i if i lt 3 chan i 1 if i gt 3 chan i 2 printf n nPulse Width Measurements of channel u chan i printf n Measure s Pulse Width type i printf n Pulse Width 96s pulse wid i printf n Periods Averaged 2 printf nin 1 Set source frequency to 96s 50 mV rms square wave freq i printf nPress ENTER when ready getchar 92 Verification Tests C Programs Appendix B printf id SENS u FUNC s n chan i pol i printf id SENS u PER NPER 2 n chan i printf id READ u m chan i iscanf id f amp reading i printf n nPulse Width Measurements Performance Test Completed printf nPress ENTER to display the results getchar printf mn printf nCh Pulse Pulse Measured printf n Width Polarity Width msec n for i 0 i lt 7 i printf n u 6S 3s Yof chan i pulse wid i pol i reading i iclos
35. S 500 397 191 602 809 1 500000E 17 gt 10 1 Chapter 4 Verification Tests 53 Notes 54 Verification Tests Chapter 4 Chapter 5 Adjustments Introduction Adjustment Reguirements WARNING Adjustment Access This chapter contains procedures to adjust the HP E1333A Counter including the 10 MHz reference oscillator freguency Channel 1 trigger level zero and channel 2 trigger level zero The counter should be adjusted after repair to ensure peak performance Equipment required for the adjustment procedures is listed in Table 1 2 Recommended Test Equipment In addition you will need a small slotted screwdriver a Phillips or Pozidriv screwdriver and a T10 torx key Before performing adjustments the counter must have a minimum 60 minute warm up and the line voltage must be 115 230 Vac 10 For best accuracy the test area temperature should be between 18 C and 28 C and stable to 1 C Remove the power cord and all other sources of power supplied via other plug in modules to the mainframe When installation is complete cover all unused slots and ensure that all module faceplates are secured tightly against the mainframe Only qualified service trained personnel should install or change the location of the HP E1333A or any other plug in module inside the HP 75000 Series B mainframe To perform the reference oscillator and trigger level zero adjustments ensure that the c
36. SR E die A DG 21 duc doi EMT dv da one pe Get GEES d oS 21 P ev nl v Marfenano amp aco acce A dl do deo EO v 21 WARNINGS and CAUTIONS cookies Bai e ake 22 Cleanme Proaceduie au 2245425565455 6S Se Pees ERR A 2 Ei og ee SEE d S earned sod ds que es 23 melt Test PROCH N 4 8 ARA ode x EHE edge dE 4 23 Example Counter Sel Tosi sci d s d SO ODE 9 dede HG GO SERRE SS 23 Chapter 4 Verification Tests w w w wow e oro mn 2420 RR RO cR we d a BHD 25 Inu CPP EE EEE 25 Test Condiions and Procedures aa zoe bo doy xo Ee A deg 22 Ferionnance Test Record e 4 do on AREA RA E HOES 25 Vendteation Test Examples wou 4 koe eee kk age ge ERR X RA E og 26 Punetional Verification Tesis 4 40 64 ooo o RO OK aa in fe A RR Aek ES COLAS ei Teits e dawn deo ue CORB Ro d ip E deo ROR K OA 2 Totalizing Measurement Test oa vxo ho A Re SENS Ae Ro ae 27 HP E1333A Universal Counter Service Manual Contents 1 Ratio Measurements Test 4 4 sooo Ro o RR di Ro ORO SRO SESE GE 29 Trigger Level Test carismas ea SOR OR OR E EG SES 31 Operation Verification Tests au e osos RR RE be O9 Ho s i Hs 34 Pertormante Ventlication POMS uua gd ok Ron bade EROR ee a ESS 35 Frequency Measurements Test gt e oes s wm an OO OHH SERED Oo Ao 35 Test Procedir ss seka dos d b db AA dB RE 31 Period Average Measurenients Test ou won n wow sow wow ou won won OS RR E A 40 TES PLIEGUES 5 3 4 a A A de de 41 Pulse Width Measurements Test 24 0 540545 5 48 64h
37. When the input attenuation is 20 dB you must divide the desired trigger level by 10 and then enter the result using SENS EVEN LEV value e Set 20 dB input atten INP ATT MAX e Set DC Standard output 22 66 Vdc e Chl triglvlto 25 4V SENS1 EVEN LEV 2 54 e Initiate Ch 1 measurement INIT 1 e Return Ch 1 resultS o ooo oocoooooo oo FETC1 e Verify returned result o o oo oooooo oo 0 counts e Set DC Standard output 28 14 Vdc e Initiate Ch 1 measurement INIT1 e Return Ch 1 results o ooo ooooocooooo FETC1 e Verifyretumedresult at least 1 count 6 Remove power and disconnect test equipment 32 Verification Tests Chapter 4 Example Trigger Level Functional Test 10 OPTION BASE 1 20 DIM Trig lev 4 Low 4 High 4 Lvl 4 30 DATA 2 56 0 2 54 25 4 40 DATA 2 836 02 2 266 22 66 50 DATA 2 284 02 2 814 28 14 60 READ Trig lev 70 READ Low 80 READ Highf 100 OUTPUT 70906 RST 110 OUTPUT 70906 INP COUP DC 120 OUTPUT 70906 INP FILT ON 130 OUTPUT 70906 CONF1 TOT 140 FORI21TO4 150 IF 12 4 THEN 160 OUTPUT 70906 1NP ATT MAX 170 Lvi l Trig lev I 10 ELSE 180 190 OUTPUT 70906 INP ATT MIN 200 Lvi l Trig Lvi l 210 ND IF 220 OUTPUT 70906 SENS1 EVEN LEV Lvi l 230 PRINT TABXY 1 1 Trigger level Trig lev I V 240 PRINT TABXY 1 4 P
38. a self test error occurs recycle power and repeat the self test If the error repeats see the following section Testing the Counter to troubleshoot the counter Table 7 1 shows some typical causes of self test errors Table 7 1 Self Test Errors Description Typical Causes Self Test Passed Counter did not power up properly Bad connections settings A1F1 F2 or F3 open Hardware failure exchange Problem with digital portion of Hardware failure exchange trigger level Counter did not properly measure Hardware failure exchange frequency Counter did not properly measure Hardware failure exchange period Counter did not properly totalize Hardware failure exchange Problem with analog portion of Hardware failure exchange trigger level Counter is not in proper state after Incorrect operation being reset Hardware failure exchange 66 Service Chapter 7 Testing the Counter NOTE Test Check Operator Errors Apparent failures may result from operator errors See Appendix B Error Messages in the HP E1333A User s Manual for information on operator EITOTS Catastrophic Failure If a catastrophic failure occurs see Testing the Counter below to troubleshoot the counter Performance Out of Specification If the counter performance is out of specification limits use the adjustment procedures in Chapter 5 Adjustments to correct the problem If the condition repeats see Tes
39. al What s in This Manual 11 Notes 12 What s in This Manual HP E1333A Universal Counter Service Manual Chapter 1 General Information Introduction This HP E1333A Service Manual contains information reguired to test adjust troubleshoot and repair the HP E1333A B Size VXI 3 Channel Universal Counter See the HP E1333A User s Manual for additional information Figure 1 1 shows the HP E1333A counter Figure 1 1 HP E1333A 3 Channel Counter Chapter 1 General Information 13 Safety Considerations WARNINGS and CAUTIONS WARNING This product is a Safety Class I instrument that is provided with a protective earth terminal when installed in the mainframe The mainframe counter and all related documentation should be reviewed for familiarization with safety markings and instructions before operation or service Refer to the WARNINGS on page 3 in this manual for a summary of safety information Safety information for preventive maintenance testing adjusting and service follows and is also found throughout this manual This section contains WARNINGS which must be followed for your protection and CAUTIONS which must be followed to avoid damage to the equipment when performing instrument maintenance or repair SERVICE TRAINED PERSONNEL ONLY The information in this manual is for service trained personnel who are familiar with electronic circuitry and are aware of the hazards involved To avoid personal injury
40. alified service trained person and have read the WARNINGS and CAUTIONS in Chapter 1 Equipment required for counter troubleshooting and repair is listed in Table 1 2 Recommended Test Equipment To avoid damage to the screw head slots use Pozidrive or Torx drivers as required You may need Torx size T 8 8710 1673 size T 10 8710 1284 and size T 15 8710 1816 screwdrivers For adjustments to R10 and R11 see Chapter 5 Adjustments use a blade tuning tool 8710 0033 or JFD Model 5284 8710 1010 hex tuning tool Service aids on printed circuit boards include pin numbers some reference designations and assembly part numbers See Chapter 6 Replaceable Parts for descriptions and location of HP E1333A replaceable parts Service notes manual updates and service literature for the HP E1333A counter may be available through Hewlett Packard For information contact your nearest Hewlett Packard Sales and Service Office Chapter 7 Service 65 Troubleshooting Technigues There are two main steps to troubleshoot an HP E1333A counter problem 1 identify the problem and 2 test assemblies to isolate the cause to a user replaceable component Identifying the Counter problems can be divided into four general categories Problem Self test errors Operator errors Catastrophic failures Performance out of specification Self Test Errors An error number 1 through 7 is returned when the counter self test fails If
41. circuited fuse holders Keep away from live circuits Operating personnel must not remove equipment covers or shields Procedures involving the removal of covers or shields are for use by service trained personnel only Under certain conditions dangerous voltages may exist even with the equipment switched off To avoid dangerous electrical shock DO NOT perform procedures involving cover or shield removal unless you are qualified to do so DO NOT operate damaged equipment Whenever it is possible that the safety protection features built into this product have been im paired either through physical damage excessive moisture or any other reason REMOVE POWER and do not use the product until safe operation can be verified by service trained personnel If necessary return the product to a Hewlett Packard Sales and Service Of fice for service and repair to ensure that safety features are maintained DO NOT service or adjust alone Do not attempt internal service or adjustment unless another person capable of rendering first aid and resuscitation is present DO NOT substitute parts or modify equipment Because of the danger of introducing additional hazards do not install substitute parts or perform any unauthorized modification to the product Return the product to a Hewlett Packard Sales and Service Office for service and repair to ensure that safety features are maintained 6 HP E1333A 3 Channel Universal Counter Service Manual Declara
42. d 4 MHz The test passes if the count increments on each channel The test fails if the count remains at O for either or both channels Equipment Setup Connect an HP 3325A function generator to Channel 1 and Channel 2 as shown in Figure 4 1 Then set the HP 3325A output to 1 Hz sine wave at 50 mV rms Els 1301A HP 3325A Function Generator 1 IL OOOO HP E1333 _ 2 LEN ales A fan Outout EE LI P 3 8 PE l p BN C 1 Hz amp 4 MHz 50 mV rms YE N Y Figure 4 1 Totalizing Measurements Test Connections Chapter 4 Verification Tests 27 Test Procedure 1 Set HP E1333A input conditions e R set counter 3 4 2 5 sac cent ee kare et Peas RST e Set DC coupling 00 INP COUP DC e Set 50Q input impedance INP IMP MIN 2 Totalize counts for 1 Hz input e Channel 1 to TOTalize CONF 1 TOT e Channel 2 to TOTalize CONF2 TOT e Initiate measurement on Ch 1 INIT1 e Return Ch I1resultsS ee FETC1 e Initiate measurement on Ch 2 INIT2 e Return Ch2resultS eee FETC2 e Verify count increments on both channels 3 Totalize count for 4 MHz input e After 10 15 counts set source to 4 MHz output e Repeat Step 2 for 4 MHz output 4 Remove power and disconnect test equipment Example Totalizing
43. d in the Requirements column Table 1 2 Recommended Test Equipment Instrument Requirements Recommended Model Controller HP IB HP IB compatibility as defined by IEEE HP 9000 Series 300 Standard 488 1978 and the identical or ANSI Standard MC1 1 SH1 AH1 T2 IBM compatible PC with TEO L2 LEO SRO RLO PPO DCO HP BASIC DTO and Cl 2 3 4 5 Mainframe Compatible with counter HP E1300A E1301A E1302A or E1401B T E1421A requires E1405A B or E1406A Function Generator 0 1 Hz to 10 MHz HP 3325A Signal Generator 100 kHz to 1 GHz HP 8663A DC Standard Voltage Range 3 0 V to 30 0 V Datron 4708 with Option 10 Universal Counter Frequency Range 0 1 Hz to 1 GHz HP 53348 with Accuracy At least equal to HP 5334B 1 3 GHz C Channel Oscilloscope Frequency Range 1 kHz to 100 kHz HP 54111D Digital Multimeter General Purpose Voltage and Resistance HP 3458A A Adjustments F Functional Verification O Operation Verification Tests P Performance Verification Tests T Troubleshooting 18 General Information Chapter 1 Chapter 2 Installation Introduction This chapter provides information to install the HP E1333A counter including initial inspection preparation for use environment storage and shipment Initial Inspection Inspect the shipping container for damage If the shipping container or cushioning material is damaged keep the container until the shipment cont
44. ditions If your test conditions differ from these conditions you will need to compute the appropriate values Input noise en 1 mV rms Slew rate 0 5 x freq V sec 0 5 period V sec Timebase error 6 0 x 10 x measurement Measurement uncertainty 3 x 10 x measurement Chapter 4 Verification Tests 49 Table 4 8 Performance Test Record for the HP E1333A Counter Page 1 of 4 Test Facility Name Report No Address Date City State Customer Phone Tested by Model Ambient temperature C Serial No Relative humidity Options Line frequency Hz nominal Firmware Rev Special Notes 50 Verification Tests Chapter 4 Table 4 8 Performance Test Record for the HP E1333A Counter Page 2 of 4 Model Report No Date Test Eguipment Used Description Model No Trace No Cal Due Date 2 3 4 5 6 f 8 9 a o A N A w a a a a D a N A 00 A o nm o Chapter 4 Verification Tests 51 Table 4 8 Performance Test Record for the HP E1333A Counter Page 3 of 4 Source Freg Low Limit Hz Measured Freguency Hz High Limit Hz Measurement Uncertain
45. e id Close instrument session Time Interval This test checks time interval accuracy on Channels 1 and 2 for the time Measurements Test interval and edges shown in Table 4 7 where POS rising edge and NEG falling edge of channel input Time Interval Measurements Test E1333A include lt stdio h gt include lt sicl h gt define ADDR hpib7 9 06 Address of device void main INST id Define id as an instrument int i chan 2 float reading 2 char slope1 2 POS NEG char slope2 2 NEG POS if defined __BORLANDC amp amp defined __WIN32__ _lnitEasyWin endif ionerror ERROR EXIT Exit on error Appendix B Verification Tests C Programs 93 id iopen ADDR Open instrument session printf id RST n iprintf id INP COUP DC n iprintf id INP IMP MIN n printf mnTime Interval Measurements for i Oji lt 1 chan i 1 chan i 2 printf mnTime Interval Measurements of channel You chan i printf n From Channel 1 96s edge to Channel 2 s edge slopet i slope2 i printf mn 1 Set source frequency to 1 MHz 50 mV rms square wave printf nPress ENTER when ready getchar printf id SENS1 FUNC TINT n printf id SENS1 EVEN SLOP POS iprintf id SENS2 EVEN SLOP NEG n printf id READ1 n iscanf id f amp reading i pr
46. easurements on Channel 1 OUTPUT CRT Period Per l OUTPUT CRT Periods averaged Nper l OUTPUT CRT OUTPUT CRT Set source frequency to Freq l sine wave OUTPUT CRT Set source output to 50 mV rms DISP Press Continue when ready PAUSE CLEAR SCREEN OUTPUT 70906 SENS1 FUNC PER OUTPUT 70906 SENS1 PER NPER Nper l OUTPUT 70906 READ1 ENTER 70906 Read I NEXT PRINT Period Measurements Performance Test Completed PRINT Press Continue to display the results PAUSE CLEAR SCREEN PRINT HP E1333A Counter Period Measurements PRINT Continued on Next Page Chapter 4 Verification Tests 41 390 PRINT 410 FOR I 2 1 TO 13 430 NEXT I 440 END 360 Fomat IMAGE 4X 2A 4X 9A 5X 9A 4X 13A 370 PRINT USING Fomat Ch Period Periods Measured 380 PRINT USING Format sec Averaged Period sec 400 Format1 IMAGE 4X A 5X 8A 6X 5D 7X D 7DE 420 PRINT USING Forrnat1 1 Per l Nper l Read l A typical return is HP E1333A Counter Period Measurements Ch Period sec sec 00 msec 10 msec 1 100 nsec Periods Averaged od 8192 Measured Period sec 9 9 1 9999155E 01 9999724E 02 0000020E 02 0000000E 07 42 Verification Tests Chapter 4 Pulse Width This test measures positive and negative pulse width averages on Measurements Test Channels land 2 at 0 5 Hz and 500Hz Table 4 6 shows the pulse
47. ents have been checked and the instrument has been checked mechanically and electrically See Chapter 1 Figure 1 1 for shipment contents See Chapter 4 for procedures to check electrical performance WARNING To avoid possible hazardous electrical shock do not perform electrical tests if there are signs of shipping damage to any portion of the outer enclosure covers panels etc If the contents are incomplete if there is mechanical damage or defect or if the instrument does not pass the electrical performance tests notify your nearest Hewlett Packard Sales and Service Office If the shipping container is damaged or the cushioning material shows signs of stress notify the carrier as well as Hewlett Packard and keep the shipping materials for the carrier s inspection Preparation for Use See Chapter 2 of the HP E1333A User s Manual to prepare the HP E1333A counter for use See the appropriate mainframe user s manual s to prepare your mainframe If your mainframe is not manufactured by Hewlett Packard consult the manufacturer for a list of available manual s Recommended operating environment for the HP E1333A counter is 0 C to 55 C with humidity lt 65 relative 0 C to 40 C The instrument should be stored in a clean dry environment For storage and shipment the temperature range is 40 C to 75 C with humidity lt 65 relative 0 C to 40 C Chapter 2 Installation 19 Shipping Guidelines Follow the
48. fication Tests C Programs Appendix B
49. frequency resolution 64 aper time Appendix A Counter Accuracy Calculations 71 Table Measurement A 1 HP E1333A Counter Resolution Equations Resolution Range values Frequency 1 002 004 65 536 sec aper time Hz Period Average 100 2 4 8 65536 periods periods avgd nsec Pulse Width Time Interval _ 100 1 2 4 128 periods periods avgd nsec For Channel 3 only frequency resolution Hz 64 aper time Timebase error is defined as the maximum fractional change in the 10 MHz reference timebase frequency due to all error sources which we will call the timebase initial accuracy aging and temperature drift multiplied by the measurement result That is timebase error initial accuracy aging rate temperature drift x measurement result For the HP E1333A the worst case timebase values are initial accuracy 2 ppm aging rate 2 ppm year and temperature drift 5 ppm 0 C to 50 C However typical maximum temperature drift is about 2 ppm see Figure A 1 and calibration is usually performed at 1 year intervals Thus a typical timebase error 2 x 10 2 x 105 2 x 105 6x 10 x measurement result Deviation in PPh 10 10 30 50 Temperature in Dearees Celcius Figure A 1 Typical Temperature Drift 72 Counter Accuracy Calculations Appendix A Trigger Noise Error Freguency Measurements Trigge
50. haring your comments and suggestions In appreciation of your time we will enter you in a guarterly drawing for a Hewlett Packard Palmtop Personal Computer U S government employees cannot participate in the drawing Your Name City State Province Company Name Country Job Title Zip Postal Code Address Telephone Number with Area Code Please list the system controller operating system programming language and plug in modules you are using fold here IF MAILED IN THE UNITED STATES NO POSTAGE NECESSARY BUSINESS REPLY MAIL FIRST CLASS PERMIT NO 37 LOVELAND CO POSTAGE WILL BE PAID BY ADDRESSEE HEWLETT PACKARD COMPANY Measurement Systems Division Learning Products Department P O Box 301 Loveland CO 80539 9984 fold here Please pencil in one circle for each statement below Disagree Agree e The documentation is well organized O O O O O e Instructions are easy to understand O O O O O e The documentation is clearly written O O O O O e Examples are clear and useful O O O O O e Illustrations are clear and helpful O O O O O e The documentation meets my overall expectations O O O O O Please write any comments or suggestions below be specific 10 HP E1333A 3 Channel Universal Counter Service Manual What s in This Manual Manual Overview Manual Content Chapter Title This manual shows how to service the HP E1333A 3 Channel Universal Counter Additional ma
51. hazardous voltages Indicates the field wiring terminal that must P be connected to earth ground before operat ing the equipment protects against electri Calls attention to a procedure practice or cal shock in case of fault WARNING condition that could cause bodily injury or death X Calls attention to a procedure practice or con e Frame or chassis ground terminal typi CAUTION dition that could possibly cause damage to cally connects to the equipment s metal equipment or permanent loss of data frame WARNINGS The following general safety precautions must be observed during all phases of operation service and repair of this product Failure to comply with these precautions or with specific warnings elsewhere in this manual violates safety standards of design manufacture and intended use of the product Hewlett Packard Company assumes no liability for the customer s failure to comply with these requirements Ground the equipment For Safety Class 1 equipment equipment having a protective earth terminal an uninterruptible safety earth ground must be provided from the mains power source to the product input wiring terminals or supplied power cable DO NOT operate the product in an explosive atmosphere or in the presence of flammable gases or fumes For continued protection against fire replace the line fuse s only with fuse s of the same voltage and current rating and type DO NOT use repaired fuses or short
52. igger levels Table 4 2 shows the trigger levels measured the input attenuation level in dB and the below level and above level voltage values for each trigger level Trigger Level Functional Test E1333A include lt stdio h gt include lt sicl h gt include lt math h gt define ADDR hpib7 9 06 Address of device void main INST id Define id as an instrument int i fail 0 float trig_lev 4 2 56 0 2 54 25 4 float low 4 2 836 02 2 266 22 66 float high 4 2 284 02 2 814 28 14 float reading level 4 if defined BORLANDC amp amp defined WIN32 _InitEasyWin tendif ionerror ERROR EXIT Exit on error id iopen ADDR Open instrument session printf id RST n iprintf id INP COUP DC n iprintf id INP FILT ON n printf id CONF1 TOT n printf mnTrigger Level Measurements for i Oi lt 3 i iprintf id INP ATT MAX n level i trig lev i 10 else iprintf id INP ATT MIN n level i trig_lev i printf id SENS1 EVEN LEV f n levelli printf n nTrigger Level f trig lev i Appendix B Verification Tests C Programs 87 printf nin 1 Set input to channel 1 to f Volts low i printf nPress ENTER when connection is complete getchar iprintf id INIT1 n printf id FETC1 An iscanf id f amp reading if read
53. ime interval e Set time interval on Ch2 SENS1 FUNC TINT e Set Ch 1 NEGedge SENS1 EVEN SLOP NEG e Set Ch 2 POS edge SENS2 EVEN SLOP POS e Read measement result READ2 e Verify result within limits Table 4 8 4 Remove power and disconnect test equipment Chapter 4 Verification Tests 47 Example Time Interval This program measures time intervals for a 1 MHz signal input to Measurements Channels 1 and 2 10 OPTION BASE 1 20 DIM Chan 2 Read 2 Slope1 2 10 Slope2 2 10 30 DATA 1 2 40 READ Chan 50 DATA POS NEG 60 READ Slope1 70 DATANEG POS 80 READ Slope2 90 OUTPUT 70906 RST 100 OUTPUT 70906 INP COUP DC 110 OUTPUT 70906 INP IMP MIN 120 FOR 1 1TO2 130 OUTPUT CRT Time Interval Measurements on channel Chan l 140 OUTPUT CRT From Channel 1 Slope1 l edge to Channel 2 Slope2 1 edge 150 OUTPUT CRT 160 OUTPUT CRT Set output to 1 MHz square wave 9 50 mV rms 170 DISP Press Continue when ready 180 PAUSE 190 CLEAR SCREEN 200 IFI21 THEN Ch1 meas 210 IFI22THEN Ch2 meas 220 Ch1 meas 230 OUTPUT 70906 SENS1 FUNC TINT 240 OUTPUT 70906 SENS1 EVEN SLOP POS 250 OUTPUT 70906 SENS2 EVEN SLOP NEG 260 OUTPUT 70906 READ1 270 ENTER 70906 Read l 280 GOTO Continue 290 Ch2 meas 300 OUTPUT 70906 SENS2 FUNC TINT 310 OUTPUT 70906 SENS1 EVEN SLOP NEG 320 OUTPUT 70906 SENS2 EVEN SLOP
54. in modules Refer to the configuration guide provided with your system for information on setting the addresses to create an instrument There are six HP E1333A counter functions see Table 1 1 e Frequency Measurements e Period Average e Pulse Width Pulse Width Average Time Interval Time Interval Average e Totalize e Frequency Ratio Table 1 1 HP E1333A 3 Channel Universal Counter Functions Function Description Feature Frequency Measure frequency from DC to 100 MHz on Measurements Channels 1 and 2 Measure frequency from 75 MHz to 1 GHz on Channel 3 Period Average from 2 to 65 536 periods of the input signal Average Period range is 1 usec to 6 871 seconds Pulse Width Measure positive or negative pulse width of the input signal Pulse width range is 200 nsec to 6 871 sec Time Interval Measure the time interval between transitions from one channel to another channel Range is 200 nsec to 6 871 seconds Totalizing Count the number of transitions on Channels 1 and 2 2 Minimum pulse width is 5 nsec Range is 1 to 94 Frequency Measure frequency ratio between Channel 1 and 2 or Ratio between Channel 2 and 1 Min pulse width is 5 nsec Input Programmable input coupling termination Capabilities attenuation low pass filter and trigger levels 16 General Information Chapter 1 Counter Specifications Counter Serial Numbers Counter Options Counter specifications are
55. ing gt 0 printf nin Test FAILED for trigger level f trig_lev i fail 1 printf n 2 Increase input to channel 1 to f Volts high i printf nPress ENTER when connection is complete getchar printf id FETC1 An iscanf id f amp reading if reading lt 0 printf mn Test FAILED for trigger level f trig_lev i fail 1 if fail 0 printf n nAll Trigger Level tests PASSED else printf mnOne or more Trigger Level tests FAILED iclose id Close instrument session 88 Verification Tests C Programs Appendix B Performance Verification Tests These programs are designed to do the Performance Verification Tests found in Chapter 4 Verification Tests Freg uency This test checks frequency measurement accuracy on Channels 1 2 and 3 Measurements Test Input level sensitivity is tested indirectly by using input signals with amplitudes equal to the sensitivity limits Frequency Measurements Test E1333A include lt stdio h gt include lt sicl h gt define ADDR hpib7 9 06 Address of device void main INST id Define id as an instrument int chan 24 i float reading 24 float aper 24 32 768 16 384 8 192 4 096 2 048 1 024 512 256 128 064 032 016 008 004 002 65 536 002 128 064 032 016 008 004 002 float ampl 24 025 025 025 025 025 025
56. intf id SENS2 FUNC TINT n printf id SENS1 EVEN SLOP NEG n printf id SENS2 EVEN SLOP POS printf id READ2 n iscanf id f amp reading i printf mnTime Interval Measurements Performance Test Completed printf nPress ENTER to display the results getchar printf mn printf nCh Time Ch 1 Measured printf n Interval Edge Edge Interval printf n nsec nsec n for i 0 i lt 1 i printf n u 500 3s 3S f chan i slope1 i slope2 i reading i 1 E9 iclose id Close instrument session 94 Verification Tests C Programs Appendix B Counter Accuracy Programs These programs are designed to calculate counter accuracies as described in Appendix A Counter Accuracy Calculations Freq uency To make frequency measurement accuracy calculations first enter the esired number of accuracy calculations you want to make up to sets O Measurement desired number of y calculations y ke up to 100 f Accura cy calculations Then for each calculation enter the desired values for Frequency Hz Aper time sec Timebase Source noise V rms Slew rate V sec The program calculates frequency measurement accuracy for each set of input values and displays the results Frequency Measurement Accuracy E1333A include lt stdio h gt include lt math h gt void main void float freq 100 aper 100 timebase 100 noise 100 sle
57. ired for the tests Table 4 8 Performance Test Record for the HP E1333A Counter at the end of this chapter provides space to enter the results of each Performance Verification test and allows you to compare the results with the upper and lower limits for the test You may make a copy of this form if desired Chapter 4 Verification Tests 25 NOTE Verification Test Examples The Performance Verification tests assume the test eguipment used is calibrated and is operating at peak performance If this is not the case problems can occur For example an uncalibrated source may cause what seems to be an inaccurate measurement This condition must be considered when observed measurements do not agree with the performance test limits The value in the Measurement Uncertainty column of Table 4 8 is derived from the specifications for the source used for the test and represents the expected accuracy of the source The values in Table 4 8 assume the source is externally locked to a house standard with accuracy 3 x 10 5 X measurement so the measurement uncertainty is that of the house standard The value in the Test Accuracy Ratio TAR column of Table 4 8 is the ratio of counter accuracy to measurement uncertainty rounded to the nearest integer for TARs 10 1 or shown as gt 10 1 for TARs gt 10 1 For example if counter accuracy 6 0 x 10 Hz and measurement uncertainty 3 0x 107 Hz TAR 6 0 x 103 0 x 10
58. l pay shipping charges to return the product to Buyer However Buyer shall pay all shipping charges duties and taxes for products returned to HP from another country HP warrants that its software and firmware designated by HP for use with a product will execute its programming instructions when properly installed on that product HP does not warrant that the operation of the product or software or firmware will be uninterrupted or error free Limitation Of Warranty The foregoing warranty shall not apply to defects resulting from improper or inadequate maintenance by Buyer Buyer supplied prod ucts or interfacing unauthorized modification or misuse operation outside of the environmental specifications for the product or im proper site preparation or maintenance The design and implementation of any circuit on this product is the sole responsibility of the Buyer HP does not warrant the Buyer s circuitry or malfunctions of HP products that result from the Buyer s circuitry In addition HP does not warrant any damage that oc curs as a result of the Buyer s circuit or any defects that result from Buyer supplied products NO OTHER WARRANTY IS EXPRESSED OR IMPLIED HP SPECIFICALLY DISCLAIMS THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE Exclusive Remedies THE REMEDIES PROVIDED HEREIN ARE BUYER S SOLE AND EXCLUSIVE REMEDIES HP SHALL NOT BE LIABLE FOR ANY DIRECT INDIRECT SPECIAL INCIDENTAL OR CONSEQU
59. listed in Appendix A of the HP E1333A User s Manual These specifications are the performance standards or limits against which the instrument may be tested Counters covered by this manual are identified by a serial number prefix listed on the title page Hewlett Packard uses a two part serial number in the form XXXXAYYYYY where XXXX is the serial prefix A is the country of origin A USA and YYYYY is the serial suffix The serial number suffix is assigned sequentially to each instrument If the serial number prefix of your instrument is greater than the one listed on the title page a Manual Update as required will explain how to adapt this manual to your instrument If the serial number prefix is lower than the one listed on the title page information contained in Chapter 7 Manual Changes explains how to adapt this manual to your instrument There are no electrical or mechanical options available for the HP E1333A counter However you can order Option 1BN which provides a MIL STD 45662A Calibration Certificate or Option 1BP which provides the Calibration Certificate and measurement data Contact your nearest Hewlett Packard Sales and Service Office for information on Options 1BN and 1BP Chapter 1 General Information 17 Recommended Test Equipment Table 1 2 lists the test equipment recommended for testing adjusting and servicing the HP E1333A counter Essential requirements for each piece of test equipment are describe
60. lse width or time interval measurement accuracy for each set of input values and displays the results Period Measurement Accuracy E1333A include lt stdio h gt include lt math h gt void main void float period 100 nper 100 timebase 100 noise 100 slewrate 100 accuracy 100 int i calc 0 printf nSelect number of calculations 1 to 100 scanf u amp calc for i O i lt calc i printf n nSelect values for period PW TI accuracy calculation You i 1 printf mn Period pulse width Time interval sec scanf f amp period i printf n Number of periods averaged scanf f amp nper i printf n Timebase 96 Verification Tests C Programs Appendix B scanf f 4timebaseli printf n Source noise V rms scanf f amp noise i printf Nn Slew rate V sec scanf f amp slewrate i accuracy i 1 E 7 nper i timebasefi period i 1 4 sqrt pow 8 0E 5 2 pow noise i 2 nper i slewrate i printf n n nPeriod Pulse width Time interval Measurement Accuracy n n printf nPeriod PW Periods Timebase Source Noise Slew Rate Accuracy printf nTI Hz sec V rms V sec sec n for i Oji lt calc i printf n e Ye Ye e e e period i nper i timebase i noise i slewrate i accuracy i Appendix B Verification Tests C Programs 97 Notes 98 Veri
61. lt within limits Table 4 8 5 Measure Channel 3 frequencies HP 8663A Source e Connect HP 8663A to Channel 3 e Set HP 8663A output 75 MHz at 10 mV rms e Set 128 sec aperture SENS3 FREQ APER 128 e Read measurement result READ3 e Verify result within limits Table 4 8 e Repeat steps for each HP 8663A Channel 3 source frequency source amplitude and aperture time entry in Table 4 4 6 Remove power and disconnect test equipment Chapter 4 Verification Tests 37 Example Freguency Measurements Test NOTE This program measures frequency on Channels 1 2 and 3 for the frequencies and aperture times shown in Table 4 4 Some measurements take up to 65 seconds to complete If a measurement appears to take too long check connections and or code you entered ya 10 OPTION BASE 1 20 DIM Aper 24 Ampl 24 10 Freq 24 Freq 24 10 Chan 24 Read 24 30 DATA 32 768 16 384 8 192 4 096 2 048 1 024 512 256 40 DATA 128 064 032 016 008 004 002 65 536 50 DATA 002 128 064 032 016 008 004 002 60 READ Aper 70 DATA 25 mV 25 mV 25 mV 25 mV 25 mV 25 mV 25 mV 25 mV 80 DATA 25 mV 25 mV 25 mV 25 mV 25 mV 25 mV 25 mV 25 mV 90 DATA 25 mV 10 mV 10 mV 10 mV 10 mV 10 mV 30 mV 40 mV 100 READ Ampl 110 DATA 1 E1 1 E2 1 E3 1 E4 1 E5 1 E6 4 E6 1 E7 120 DATA 2 E7 5 E7 1 E8 1 E8 1 E8 1 E8 1 E8 1 E8 13
62. mainframe is to be energized via an autotransformer for voltage reduction make sure the common terminal is connected to neutral that is the grounded side of the main s supply WARNING CAPACITOR VOLTAGES Capacitors inside the mainframe may remain charged even when the mainframe has been disconnected from its source of supply USE PROPER FUSES For continued protection against fire hazard replace the line fuse s only with fuses of the same current rating and type such as normal blow time delay etc Do not use repaired fuses or short circuited fuseholders CAUTION MAXIMUM VOLTAGE Maximum voltage that may be applied between any BNC connector is 42 V for the 1 MQ input impedance Channels 1 and 2 and 5 V for the 50 input impedance Channels 1 2 and 3 In general the limiting factor is the maximum power which cannot exceed 0 5 W STATIC ELECTRICITY Static electricity is a major cause of component failure To prevent damage to the electrical components in the counter observe anti static techniques when removing a counter from the mainframe or when working on the counter Chapter 1 General Information 15 Counter Description The HP E1333A counter is an instrument in the slots of a VXIbus mainframe As such it is assigned an error queue input and output buffers status registers and is allocated a portion of mainframe memory for reading storage NOTE Instruments are based on the logical addresses of the plug
63. me Then see table 7 2 for guidelines to isolate the problem to a user replaceable part Repair Maintenance Guidelines ESD Precautions This section gives guidelines to repair and maintain the HP E1333A counter including e ESD precautions e Soldering printed circuit boards e Post repair safety checks Electrostatic discharge ESD may damage MOS CMOS and other static sensitive devices in the HP E1333A counter This damage can range from slight parameter degradation to catastrophic failure When handling counter assemblies follow these guidelines to avoid damaging counter components e Always use a static free work station with a pad of conductive rubber or similar material when handling counter components After you remove the counter from the mainframe place the counter on a conductive surface to guard against ESD damage e Do not use pliers to remove a MOS or CMOS device from a high grip socket Instead use a small screwdriver to pry the device up from one end Slowly lift the device up one pair of pins at a time 68 Service Chapter 7 e After you remove a MOS or CMOS device from an assembly place the device onto a pad of conductive foam or other suitable holding material e f a device requires soldering be sure the assembly is placed on a pad of conductive material Also be sure you the pad and the soldering iron tip are grounded to the assembly Apply as little heat as possible when soldering Whe
64. n you replace a MOS or CMOS device ground the foam to the counter before removing the device from the foam The etched circuit boards in the counter have plated through holes that allow a solder path to both sides of the insulating material Soldering can be done from either side of the board with equally good results When soldering to any circuit board keep in mind the following guidelines CAUTION Do not use a sharp metal object such as an awl or twist drill since sharp objects may damage the plated through conductor e Avoid unnecessary component unsoldering and soldering Excessive replacement can result in damage to the circuit board and or adjacent components e Do not use a high power soldering iron on etched circuit boards a 38 watt soldering iron is recommended as excessive heat may lift a conductor or damage the board Use a suction device or wooden toothpick to remove solder from component mounting holes When using a suction device be sure the equipment is properly grounded to prevent electrostatic discharge from damaging CMOS devices Post Repair Safety After making repairs to the HP E1333A counter inspect the counter for any Checks signs of abnormal internally generated heat such as discolored printed circuit boards or components damaged insulation or evidence of arcing Determine and correct the cause of the condition Then run the self test TST command to verify that the counter is functional Chapter
65. ntation by the applicable FAR or DFARS clause or the HP standard software agreement for the product involved LA HEWLETT B PACKARD HP E1333A 3 Channel Universal Counter Service Manual Edition 4 Copyright 1996 Hewlett Packard Company All Rights Reserved HP E1333A 3 Channel Universal Counter Service Manual 5 Documentation History All Editions and Updates of this manual and their creation date are listed below The first Edition of the manual is Edition 1 The Edi tion number increments by 1 whenever the manual is revised Updates which are issued between Editions contain replacement pages to correct or add additional information to the current Edition of the manual Whenever a new Edition is created it will contain all of the Update information for the previous Edition Each new Edition or Update also includes a revised copy of this documentation his tory page Edition 1 Part Number E1333 90010 a April 1991 Edition 2 Part Number E1333 90011 o ooooooooo March 1992 Edition 3 Part Number E1333 90012 0 0 0 e cee ee ee eae June 1996 Edition 4 Part Number E1333 90013 oo oooooo o December 1996 Safety Symbols Instruction manual symbol affixed to prod uct Indicates that the user must refer to the AV Alternating current AC manual for specific WARNING or CAU TION information to avoid personal injury or damage to the product Direct current DC A Indicates
66. nuals which may be reguired for servicing the counter include the HP E1333A User s Manual which contains counter operation installation and configuration information and the appropriate mainframe user s manual s for mainframe operation installation and configuration information Content 1 General Information Provides a basic description and lists available options and accessories Also lists the tools and test equipment required for service Installation Procedures to install the counter perform initial inspection prepare for use and store and ship the counter Operating Instructions Procedures to operate the counter perform scheduled preventive maintenance and perform operator s check Verification Tests Functional verification operation verification and performance verification tests to test the counter Adjustments Procedures to adjust the counter to within its rated specifications Replaceable Parts Lists part numbers for user replaceable parts in the counter Provides information on ordering spare parts and module assembly exchange Service Procedures to aid in fault isolation and repair of the counter Calculating Multimeter Accuracy Shows how counter accuracy is defined and calculated Verification Tests C Programs Gives C Program Examples to do the Verification Tests in Chapter 3 and Chapter 4 HP E1333A Universal Counter Service Manu
67. o the sensitivity limits Table 4 4 Frequency Measurements Performance Tests Source Source Ampl Source Freq Aperture mV rms Time sec HP 3325A 25 mV rms 10 Hz 32 768 100 Hz 16 384 1 kHz 8 192 10 kHz 4 096 100 kHz 2 048 1 MHz 1 024 4 MHz 012 10 MHz 256 HP 8663A 20 MHz 128 50 MHz 064 100 MHz 032 100 MHz 016 100 MHz 008 100 MHz 004 100 MHz 002 100 MHz 65 536 HP 8663A 25 mV rms 100 MHz 002 HP 8663A 10mV 75 MHz 128 10mV 100 MHz 064 10mV 200 MHz 032 10mV 400 MHz 016 10 mV 600 MHz 008 30 mV 900 MHz 004 40 mV 1 GHz Chapter 4 Verification Tests 35 Equipment Setup NOTE Connect the eguipment as shown in Figure 4 4 For measurements from 10 Hz through 10 MHz connect the HP 3325A Function Generator to Channel 1 For measurements above 10 MHz connect the HP 8663A Signal Generator to Channel 1 2 or 3 Set outputs for sine wave If a frequency test fails measure the ACTUAL input to the HP E1333A to ensure that the input is the appropriate value 25 mV 10 mV 30 mV or 40 mV rms If the input is less than the specified value increase the source output as required HP E1300A E A LI PET SA Bin I LI LI E p 355 P Z 3 L J T J Outp A jj NM A 10HZ 10MHz or O A p n utp RE i MH ON t3 S ge 4 Li 1 i mu e a NA 20MHz 1GHz L
68. om oc Ro UA s 43 Time Interval Measurements Test w 24 5 sso dow Ro RE ESR ES DES 46 Pertormance Test Record iud bat ehe ds Bee EERE TS EE OG 49 Chapter 5 Adjustments 4 25 54 6445 o oho 6 Hb Geh 444448 404 d 55 Itdrodu c l ti uos Re ERE dra DEE OR He ES OEE SS Red 55 Adjustment ReQUIPSMED E uu owe kD Re RR add Ku EEE ES 55 UIDI rr ORO EERE RRS TRE SEES EERE OD 55 Reference Oscillator Adjustment w 6242445442 4485464 Re SS bs ERED 56 Tigger Level Zero Adjustments w wow w kon oh Se ee wd Yo Oe SEES ESS 57 Chapter 6 Replaceable Parts 61 Inir du no n x Ra Wete e e W A Red wb RON EUR ek 61 EE ASADOS a Sr ur o EI ai 61 idea Iniotmd vs ARA A 61 Repleceable Paris List poarc ae bk 244 a e 62 Chapter 7 Servite S uie a yug E A EA dk 4 ARA Kk 65 vidi ili vii D TT 65 Equipment Required 2 4 542425 445444 045448 8446 a4 ERS R amp S 65 DEVICES ANNE La Roses SRE ES ORR ERE EEE OED EES OD ESR OE RO 65 Tioubleshodtun Techmques uud geo b RR 2628225045486 2 eo 66 ldentibying the Proble lt e e eoe ERODED ERE HEED RED ROD ES 66 Testi the Gomer aod 4 c26 E RE RO bd OA BOR X GC E E A OR XR Od 3 67 Repau Maint nance Guidelines w ss pv ooo won ak w o RR RU 68 ESD PECADORES 6 4 idu boob RR SR adas de 68 Post Repatr Safety Checks so oe hohe o 45 69 Appendix A Counter Accuracy Calculations 71 ion DET 71 Calculging Counter EPUERCV ck ob ke ek ao
69. omponents to be adjusted R10 R11 and U7 are accessible There are two main ways to do this you can also install the counter in an HP E1400T mainframe e One way is to remove all other modules in the mainframe and place the counter in a slot that allows access to the components e The other way is to remove the mainframe top cover and or any internal covers required to access the components See the appropriate mainframe service manual and or configuration guide for instructions Chapter 5 Adjustments 55 Reference Oscillator Adjustment This adjustment sets the 10 MHz reference oscillator output to 10 MHz 10 Hz 1 ppm The procedure is 1 Connect Channel A of the HP 5334B Universal Counter to the output of the 10 MHz reference oscillator U53 pin 13 see Figure 5 1 2 Set the HP 5334B counter to measure frequency on Channel A 3 Reset the HP E1333A with RST 4 Use a slotted screwdriver to adjust the U7 potentiometer until the HP 5334B shows 10 MHz 10 Hz m Pitt l r Adjust U7 to Figure 5 1 Reference Oscillator Adjustments 56 Adjustments Chapter 5 Trigger Level Zero Adjustments This procedure adjusts the crossing point for OV level triggering on Channels 1 and 2 The procedure is 1 For Channel 1 trigger level zero adjustments connect an oscilloscope between U2 pin 5 and the HP E1333A input Common and connect the HP 3325A output to Channel 1 see Figure 5 2
70. or damage to the instrument do not perform procedures in this manual or do any servicing unless you are qualified to do so CHECK MAINFRAME POWER SETTINGS Before applying power verify that the mainframe setting matches the line voltage and the correct fuse is installed An uninterruptible safety earth ground must be provided from the main power source to the mainframe input wiring terminals power cord or supplied power cord set GROUNDING REQUIREMENTS Interruption of the protective grounding conductor inside or outside the mainframe or disconnecting the protective earth terminal will cause a potential shock hazard that could result in personal injury Grounding one conductor of a two conductor outlet is not sufficient protection COMMON GROUND Verify that a common ground exists between the unit under test and the counter via the mainframe prior to energizing either unit IMPAIRED PROTECTION Whenever it is likely that instrument protection has been impaired the mainframe must be made inoperative and be secured against any unintended operation 14 General Information Chapter 1 REMOVE POWER IF POSSIBLE Some procedures in this manual may be performed with power supplied to the mainframe while protective covers are removed Energy available at many points may if contacted result in personal injury If maintenance can be performed without power applied the power should be removed USING AUTOTRANSFORMERS If the
71. ounter Accuracy Calculations 73 Period From Appendix A Specifications of the HP E1333A User s Manual for Measurements period pulse width and time interval measurements Trigger Noise Error Trigger Noise Error RMS T where T is v 80u V en input slew rate at trigger point However as with frequency measurements T is NOT the trigger noise error term for period measurements but is only part of the equation For period average pulse width and time interval measurements trigger noise error 1 4 x T nper where nper number of periods averaged Therefore trigger noise error sec v 80uV en nper X inputslew rate at trigger point 1 4x able A 2 summarizes counter accuracy eguations for freguency perio Counter Accuracy Table A 2 i y equations for frequency period Equations Table average pulse width and time interval measurements For any listed measurement accuracy resolution timebase error trigger noise error Table A 2 HP E1333A Counter Accuracy Eguations Measurement resolution timebase error trigger noise error Freguency 1 Hz timebase x freguency Hz 14x T aper time aper time 002 004 65 536 sec x frequency Hz Period 100 timebase x period sec 14xT nsec sec Average periods avgd periodsavgd 2 4 8 65536 periods Pulse Width 100 timebase x pulse width sec Same as Period e nsec periods avgd 1 2 4
72. p to 100 sets of calculations Then for each calculation enter the desired values for Period pulse width time interval sec Number of periods averaged Timebase Source noise V rms Slew rate V sec The program calculates period pulse width or time interval measurement accuracy for each set of input values and displays the results A typical display follows the program listing 80 Counter Accuracy Calculations Appendix A NOTE If you want to make more than 100 calculations change the DIM statement line 40 for the number of calculations required Also if your printer address is not 701 change line 30 PRINTER IS 701 to your printer address If you do not want to use a printer change line 30 to 30 PRINTER IS 1 Program Listing 10 Calc_no 0 20 OPTION BASE 1 30 PRINTER IS 701 40 DIM Period 100 Nper 100 Timebase 100 Noise 100 Slewrate 100 Accuracy 100 50 INPUT Select number of calculations 1 to 100 Calc no 60 FORI 1 TO Calc no 70 CLEAR SCREEN 80 OUTPUT CRT Select values for period PW TI calculation number 90 INPUT Period pulse width time interval sec Period l 100 INPUT Number periods averaged Nper l 110 INPUT Timebase Timebase l 120 INPUT Source noise V rms Noise l 130 INPUT Slew rate V sec Slewrat te l 140 Accuracy l 1 E 7 Nper l Timebase Period l 1 4 SQRT 8 0E 5 2 Noise l 2 Nper l Slewrate I 150 NEXT I 16
73. r i 0 i lt 23 i printf n u 4f Hz 9e6f Yof chan i freq i aper i readingli iclose id Close instrument session Period Average This test measures period averages on Channel 1 only Period average Measurements measurements are made with the frequencies periods and number of periods averaged shown in Table 4 5 Channel 2 is not tested since the same circuitry is used for Channels 1 and 2 Period Average Measurements Test E1333A include lt stdio h gt include lt sicl h gt define ADDR hpib7 9 06 Address of device void main INST id Define id as an instrument int i float reading 13 int nper 13 2 4 8 15 32 64 128 256 512 1024 2048 4096 8192 90 Verification Tests C Programs Appendix B char per 13 1 sec 100 msec 10 msec 1 ms 200 usec 100 usec 20 usec 10 usec 2 usec 1 usec 500 nsec 200 nsec 100 nsec char freg 13 1 Hz 10 Hz 100 Hz 1 kHz 5 kHz 10 kHz 50 kHz 100 kHz 500 kHz 1 MHz 2 MHz 5 MHZ 10 MHz if definedd BORLANDC 8 defined WIN32 _InitEasyWin endif ionerror ERROR EXIT Exit on error id iopen ADDR Open instrument session printf id RST n iprintf id INP COUP DC n iprintf id INP IMP MIN n printf n nPeriod Average Measurements for i Oji lt 12 i printf n nPeriod
74. r Noise Error Trigger noise error is defined as the additional error caused by counter input noise 80 uV for the HP E1333A and by noise on the input signal The input slew rate at trigger point in pV sec is the rate at which the input voltage is changing when the input is triggered That is slew rate aM At For example for a 50 mV ramp wave input with a 10 usec rise time 3 slew rate AE S 4x10 Vice Ax 1040 10 x 10 Typically however the slew rate is not a constant but varies linearly with the input frequency according to the slew rate factor That is slew rate slew rate factor x frequency slew rate factor period For example a typical slew rate factor for a 50 mV input signal is 0 5 for slew rate in V sec Thus for a 50 mV input at 10 kHz a typical slew rate 0 5 x 10 V sec 5000 V sec 5 x 10 p V sec From Appendix A Specifications of the HP E1333A User s Manual for frequency measurements Trigger Noise Error RMS T where v _ 80HLV en input slew rate at trigger point en rms noise in LV on the input signal for a 150 MHz bandwidth However T is NOT the trigger noise error term for frequency measurements accuracy but is only part of the equation From Application Note 200 4 for frequency measurements trigger noise error Hz 1 4 x T aper time x frequency v 80nV en input slew rate at trigger point X frequency Appendix A C
75. rating Instructions Chapter 3 Operators Check Self Test Procedure NOTE Example Counter Self Test The Operator s Check for the HP E1333A counter consists of sending the self test TST command and checking the return The operator s check can be used at any time to verify the counter is connected properly and is responding to the self test command See Chapter 8 Service for a list of counter self test errors As required see the mainframe user s manual for information on address selection See the HP El 333A User s Manual for information on counter SCPI commands 1 Verify the counter is properly installed in the mainframe and the mainframe has passed its power on sequence test 2 Execute the counter self test using the TST command see example following 3 A 0 returned means no self test failure while 1 through 7 returned means a failure was detected See Chapter 8 Service for troubleshooting information see NOTE below Test failures can be caused by improper cabling improper selection of the interface select code primary and or secondary address setting Verify proper connection and address selection before troubleshooting An example follows which uses an HP 9000 Series 300 computer with HP BASIC and a counter address of 70906 10 OUTPUT 70906 TST Send the self test command 20 ENTER 70906 A Enter self test result 30 PRINT A 40 END Chapter 3 Operating Instructions
76. rocedure 260 PRINT TABXY 5 6 1 Set source to Low l Volts 270 PRINT TABXY 5 7 2 Increase source to High l Volts 280 PRINT TABXY 5 8 3 Verify that Channel 1 count increases 290 OUTPUT 70906 INIT1 300 DISP For next trigger level press any key 310 ON KBD GOTO Next lvl 320 Start 330 OUTPUT 70906 FETC1 340 ENTER 70906 Reading 350 PRINT TABXY 10 12 Channel 1 count Reading B 360 GOTO Start 370 Next lvl 380 NEXT I 390 OUTPUT 70906 INP ATT MIN 400 DISP Test completed 410 STOP 420 END Se Chapter 4 Verification Tests 33 Operation Verification Tests NOTE Operation verification test objectives are to instill a high degree of confidence that the HP E1333A 3 Channel Universal Counter is meeting selected specifications from those listed in Appendix A Specifications in the HP E1333A User s manual Operation verification tests can be used in applications such as incoming inspection and after HP E1333A repair To perform operation verification tests do the parts of the performance verification tests shown in Table 4 3 For best results the HP E1333A 10 MHz reference oscillator should be adjusted to 10 MHz 10Hz Before using the operation verification tests you may want to perform the Reference Oscillator Adjustment procedure in Chapter 5 Adjustments Table 4 3 Operation Verification Tests Test Test These Specifications Frequency Chan 1 1
77. rvice for a list of counter self test errors As required see the mainframe user s manual for information on address selection See the HP E1333A User s Manual for information on counter SCPI commands include lt stdio h gt include lt sicl h gt define ADDR hpib7 9 6 Address of Device void main INST id Define id as an instrument char a 256 0 Result variable id iopen ADDR Open instrument session itimeout id 10000 Set instrument timeout to 10 seconds ipromptf id TSTAn t a Self test command printf n s a Print result getchar Pause iclose id Close instrument session Appendix B Verification Tests C Programs 83 Totalizing This test verifies the totalize measurement functions on Channels 1 and 2 at Measurement Test Hz and 4 MHz The test passes if the count increments on each channel The test fails if the count remains at 0 for either or both channels Totalizing Measurements Functional Test E1333A include lt stdio h gt include lt sicl h gt define ADDR hpib7 9 06 Address of device void main INST id Define id as an instrument char freq int chan i timer float reading counter char cr 256 if defined __BORLANDC amp amp defined __WIN32__ _lnitEasyWin endif ionerror ERROR EXIT Exit on error id iopen ADDR Open instrument session
78. steps in Figure 2 1 to return the HP E1333A counter to a Hewlett Packard Sales and Support Office or Service Center Prepare the Counter Remove user wiring from the module Attach tag to module pod that identifies Owner Model Number Serial Number Service required Place tagged device in approved anti static bag Package the Counter Place packaged counter in shipping carton Place 75 to 100 mm 3 to 4 inches of shock absorbing marerial around the counter Seal the shipping carton securely Mark the shipping carton FRAGILE 3 Ship the Counter to Hewlett Packard Place address label on shipping carton Send carton to Hewlett Packard Figure 2 1 Packaging Shipping Guidelines We recommend that you use the same shipping materials as those used in factory packaging available from Hewlett Packard For other commercially available shipping materials use a double wall carton with minimum 2 4 MPa 350 psi test 20 Installation Chapter 2 Chapter 3 Operating Instructions Introduction This chapter lists operating information for the HP E1333A counter including e Counter operation e Preventive maintenance e Operators check self test Counter Operation See the HP E1333A 3 Channel Universal Counter User s Manual for counter operation including Getting started Configuring the counter Using the counter e e e e Understanding the counter Counter command reference Counter
79. t steps for 500 Hz 4 Measure Channel 2 positve pulse widths e Connect HP 3325A to Channel 2 e Set HP 3325A output llle 0 5 Hz e Set pos pulse width on Ch2 SENS2 FUNC PWID e Average 2 periods SENS2 TINT NPER 2 e Readmeasurementresult READ2 e Verify result within limits Table 4 8 e Repeat steps for 500 Hz 5 Measure Channel 2 negative pulse widths e Set HP 3325A output lesse 0 5 Hz e Set neg pulse width on Ch 2 SENS2 FUNC NWID e Readmeasurementresult READ2 e Verify result within limits Table 4 8 e Repeat steps for 500 Hz 6 Remove power and disconnect test equipment 44 Verification Tests Chapter 4 Example Pulse Width This program measures positive and negative pulse widths on Channels 1 Measurements and 2 for 0 5 Hz and 500 Hz 10 OPTION BASE 1 20 DIM Freq 8 10 Read 8 Pulse 8 Pol 8 10 Chan 8 Pulse 8 10 Type 8 10 30 DATA 1 001 1 001 1 001 1 001 40 READ Pulse 50 DATA 1 sec 1 sec 1 msec 1 msec 60 DATA 1 sec 1 sec 1 msec 1 msec 70 READ Pulse 80 DATA POS NEG POS NEG POS NEG POS NEG 90 READ Type 100 DATA PWID NWID PWID NWID PWID NWID PWID NWID 110 READ Pol 120 DATA 0 5 Hz 0 5 Hz 500 Hz 500 Hz 130 DATA 0 5 Hz 0 5 Hz 500 Hz 500 Hz 140 READ Freq 150 OUTPUT 70906 RST 160 OUTPUT 70906 INP COUP DC 170 OUTPUT 70906 INP IMP MIN 180
80. the quantity required Send the order to your nearest Hewlett Packard Sales and Service Office Using the check digit will help ensure accurate processing of your order Chapter 6 Replaceable Parts 61 Replaceable Parts List Reference Designator HP Part Number Tables 6 1 lists the replaceable parts for the HP E1333A counter See Figure 6 1 for locations of parts listed in Table 6 1 Table 6 1 HP E1333A Replaceable Parts O Jg Description E1333 66201 E1333 69201 EXCHANGE ASSEMBLIES 3 CHAN UNIVERSAL COUNTER NEW 3 CHAN UNIVERSAL COUNTER EXCH A1 A1BRK1 A1BRK2 A1F1 A1F2 A1F2 A1J1 A1J2 A1J3 A1JM1 A1JM2 A1MP1 A1MP2 A1MP3 A1P1 A1SW1 A1XU14 E1333 66501 0500 2183 0361 1295 0500 2183 0361 1295 2110 0712 2110 0712 2110 0712 1250 1846 1250 1846 1250 1846 7175 0057 7175 0057 0570 1295 0535 0004 2190 0584 1252 1596 0361 1294 3101 3066 1200 0817 8 4 0 1 3 1 3 8 8 8 6 6 6 5 5 6 9 0 RON PRINTED CIRCUIT ASSY a BRACKET RIGHT ANGLE MTG PNL PCB RIVET SEMITUBULAR 095 DIA 406 LNG BRACKET RIGHT ANGLE MTG PNL PCB RIVET SEMITUBULAR 095 DIA 406 LNG FUSE SUBMINIATURE 4A 125V NTD AX FUSE SUBMINIATURE 4A 125V NTD AX FUSE SUBMINIATURE 4A 125V NTD AX CONNECTOR RF BNC FEM PC 50 OHM CONNECTOR RF BNC FEM PC 50 OHM CONNECTOR RF BNC FEM PC 50 OHM RESISTOR ZERO OHMS TND COPPER RESISTOR ZERO OHMS TND COPPER STUD PRSN M3 0 X 56 MM LONG NUT HEX DBL
81. ting the Counter below to troubleshoot the counter You can use the tests and checks in Table 7 2 to isolate the problem to a user replaceable part on the counter front panel or to the Al PCA See Figure 6 1 in Chapter 6 Replaceable Parts for locations of user replaceable parts If the problem cannot be traced to a user replaceable part listed in Table 6 1 return the counter to Hewlett Packard for exchange See Chapter 6 Replaceable Parts for procedures Table 7 2 HP E1333A Tests Checks Reference Designator Check Heat Damage Discolored PC boards Damaged insulation Evidence of arcing Switch Jumper Settings IRQ Level setting SW1 LADDR setting A1 Assembly F1 F2 F3 Fuse continuity Mating connector contacts Connector contacts IC contact connections Chapter 7 Service 67 Checking Heat Damage Inspect the counter for signs of abnormal internally generated heat such as discolored printed circuit boards or components damaged insulation or evidence of arcing If there is damage do not operate the counter until you correct the problem Checking Switches Jumpers Verify the logical address setting is set correctly factory set at 48 Verify the interrupt priority jumpers are set correctly factory set at level 1 See the HP E1333A User s Manual for information Testing the A1 Assembly To test the A1 Assembly remove mainframe power and remove the counter from the mainfra
82. tion of Conformity according to ISO IEC Guide 22 and EN 45014 Manufacturer s Name Hewlett Packard Company Loveland Manufacturing Center Manufacturer s Address 815 14th Street S W Loveland Colorado 80537 declares that the product Product Name 3 Channel Universal Counter Model Number s HP E1333A Product Options All conforms to the following Product Specifications Safety TEC 348 1978 HD 401 S1 1981 CSA 556B UL 1244 EMC CISPR 11 1990 EN55011 1991 Group Class A EN50082 1 1992 IEC 801 2 1991 4kVCD 8KVAD IEC 801 3 1984 3 V m IEC 801 4 1988 1k V Power Line 0 5kV Signal Lines Supplementary Information The product herewith complies with the requirements of the Low Voltage Directive 73 23 EEC and the EMC Directive 89 336 EEC and carries the CE marking accordingly Safety qualification performed February 1989 Tested in a typical HP B size VXI configuration September 5 1996 pou QA Manager European contact Your local Hewlett Packard Sales and Service Office or Hewlett Packard GmbH Department HQ TRE Herrenberger StraBe 130 D 71034 B blingen Germany FAX 49 7031 143143 HP E1333A 3 Channel Universal Counter Service Manual 7 Notes 8 HP E1333A 3 Channel Universal Counter Service Manual cut along this line Please fold and tape for mailing Reader Comment Sheet HP E1333A 3 Channel Universal Counter Service Manual Edition 4 You can help us improve our manuals by s
83. ty Hz Channel 1 10 Hz 100 Hz 1 kHz 10kHz 100 kHz 1MHz 4MHz 10MHz 20MHz 50MHz 100MHz 100MHz 100MHz 100MHz 100MHz 100MHz 9 969 99 94 999 87 9999 7 99999 999993 3999974 9999936 19999872 49999684 99999369 99999337 99999275 99999149 99998899 99999400 10 031 100 06 1000 13 10000 3 100001 1000007 4000026 10000064 20000128 50000316 100000631 100000663 100000725 100000851 100001101 100000600 3 00000E 10 3 00000E 09 3 00000E 08 3 00000E 07 3 00000E 06 3 00000E 05 1 20000E 04 3 00000E 04 6 00000E 04 1 50000E 03 3 00000E 03 3 00000E 03 3 00000E 03 3 00000E 03 3 00000E 03 3 00000E 03 Channel 2 100 MHz 99998899 100001101 3 00000E 03 Channel 3 75 MHz 100 MHz 200 MHz 400 MHz 600 MHz 900 MHz 1 GHz 74999050 99998400 199996800 399993600 599988400 899978600 999962000 75000950 100001600 200003200 400006400 600011600 900021400 1000038000 2 25000E 03 3 00000E 03 6 00000E 03 1 20000E 02 1 80000E 02 2 70000E 02 3 00000E 02 52 Verification Tests Chapter 4 Table 4 8 Performance Test Record for the HP E1333A Counter Page 4 of 4 Period Measurements Channel 1 Source Period Low Limit sec Measured Period sec High Limit sec Meas Uncert sec 1 sec 100 msec 10 msec 1 msec 200 usec 100 usec 20 usec 10 usec 2
84. val Measurements Test o uo RR e d RE Ses ESS 93 Counter Accuracy POETAS esu ake ABRE AAA 95 Frequency Measurement Accuracy lt 4 5 662 65 94 OHS SOBRE EDS 95 Period Measurements Accuracy wow sow kon kon w w ERREUR Ra EE REA 96 HP E1333A Universal Counter Service Manual Contents 3 Notes 4 Contents HP E1333A Universal Counter Service Manual Certification Hewlett Packard Company certifies that this product met its published specifications at the time of shipment from the factory Hewlett Packard further certifies that its calibration measurements are traceable to the United States National Institute of Standards and Tech nology formerly National Bureau of Standards to the extent allowed by that organization s calibration facility and to the calibration facilities of other International Standards Organization members Warranty This Hewlett Packard product is warranted against defects in materials and workmanship for a period of three years from date of ship ment Duration and conditions of warranty for this product may be superseded when the product is integrated into becomes a part of other HP products During the warranty period Hewlett Packard Company will at its option either repair or replace products which prove to be defective For warranty service or repair this product must be returned to a service facility designated by Hewlett Packard HP Buyer shall pre pay shipping charges to HP and HP shal
85. vl 02 Trig Lvl 10 dB Trig Lvl 02 Trig Lvl 10 20 dB Trig Lvl 20 Trig Lvl 10 20 dB Trig Lvl 20 Trig Lvl 10 Fm o Equipment Setup Connect the equipment as shown in Figure 4 3 Then set the DC Standard for DC output Test Procedure 1 Set HP E1333A input conditions e Reset Counter s s sevo ner eee Laat eR EA RST e Coupling to DC INP COUP DC e Input filtertoON 0 00 0008 INP FILT ON 2 Test Low Level Trigger Levels Below Level Value Setting e Set the DC Standard output 2 836 Vdc e Channel 1 to TOTalize SENS1 FUNC TOT e Ch 1 trig lvl to 2 56V SENS1 EVEN LEV 2 56 e Initiate Ch 1 measurement INIT1 e Return Chlresults a FETC1 e Verifyreturnedresult eeue 0 counts Chapter 4 Verification Tests 31 HP E1300A E1301A DC STA S Figure 4 3 Trigger Level Tests Connections 3 Test Low Level Trigger Levels Above Level Value Setting e Set DC Standard output 2 284 Vdc e Initiate Ch 1 measurment eeeeee INIT1 e Return Ch 1 resultS o ooo oooooooooo FETC1 e Verifyretumedresult at least 1 count 4 Repeat Steps 2 and 3 for the 0 V and 2 54 V trigger levels using the Below Level and Above Level Values in Table 4 2 5 Test High Level Trigger Level NOTE
86. wrate 100 accuracy 100 int i float calc 0 printf nSelect number of calculations 1 to 100 scanf f amp calc for i Oji lt calc i printf n nSelect values for frequency accuracy calculation u i 1 printf mn Frequency Hz scanf f amp freq i printf n Aper time sec scanf f amp aper i printf n Timebase scanf f amp timebase i printf n Source noise V rms scanf f amp noise i printf n Slew rate V sec scanf f amp slewrate i accuracy i 1 aper i timebase i freq i 1 4 freq i sqrt pow 8 0E 5 2 pow noise i 2 slewrate i aper i Appendix B Verification Tests C Programs 95 printf printf n n nFrequency Measurement Accuracy n n nFrequency Aper Time Timebase Source Noise Slew Rate Accuracy printf n Hz Sec V rms V sec Hz n for i Oji lt calc i printf n e Ye Ye Ye Ye e freq i aper i timebaseli noise i slewratef i accuracy i Period To make period pulse width time interval accuracy calculations enter the Measurements number of accuracy calculations you want to make up to 100 sets of Accura cy calculations Then for each calculation enter the desired values for Period pulse width time interval sec Number of periods averaged Timebase Source noise V rms Slew rate V sec The program calculates period pu

HP 1333A Universal Counter Service Manual

Contents

Download Pdf Manuals

Related Search

Related Contents