HP 3325B User's Manual
Contents
1. TB 9 6625 2049 35 SUPERSEDED COPY DATED 15 JANUARY 1996 DEPARTMENT OF THE ARMY TECHNICAL BULLETIN CALIBRATION PROCEDURE FOR SYNTHESIZER FUNCTION GENERATOR HEWLETT PACKARD MODELS 3325A AND 3325B Headquarters Department of the Army Washington DC 2 January 2001 Approved for public release distribution is unlimited REPORTING OF ERRORS AND RECOMMENDED IMPROVEMENTS You can help improve this publication If you find any mistakes or if you know of a way to improve the procedure please let us know Mail your letter or DA Form 2028 to Commander U S Army Aviation and Missile Command ATTN AMSAM MMC LS LP Redstone Arsenal AL 35898 5230 A reply will be furnished to you You may also send in your comments electronically to our e mail address 1 s lp redstone army mil or by FAX 256 842 6546 DSN 788 6546 Paragraph Page SECTION I IDENTIFICATION AND DESCRIPTION Test instrument identification cccseeee Forms records and reports ccccceeeeeeeeeeees Calibration description cccsssssssssssssssssseeees II EQUIPMENT REQUIREMENTS Equipment required cccccsssssssssssssssssssssssseees Accessories required cccceccccceceeeeeeeeeeeseeeeeeees 5 5 III CALIBRATION PROCESS Preliminary instructions ccccccsssssssssssssssseees 6 6 Equipment Setup cccsecccecccccccessseeseeceeeeeeaaeeees 6 Harmonic distortion cccceceeeeeeseeeeeee2. Enter 4 5 VOLT using DATA keys Multimeter will indicate between 4 35 and 4 65 V de 5 Press ENTRY FREQ key and enter 999 9 kHz using DATA keys Multimeter will indicate between 4 44 and 4 56 V dc 6 Press ENTRY DC OFFSET key and enter 4 55 VOLT using DATA keys Multimeter will indicate between 4 44 and 4 56 V dc 7 Press FUNCTION square wave key Multimeter will indicate between 4 44 and 4 56 V de 8 Enter 4 5 VOLT using DATA keys Multimeter will indicate between 4 44 and 4 56 V de 9 Press ENTRY FREQ key and enter 9 9999 MHz using DATA keys Multimeter will indicate between 4 35 and 4 65 V dc 10 Press FUNCTION triangle key and enter 9 9 kHz using DATA keys 11 Multimeter will indicate between 4 44 and 4 56 V dc 12 Press FUNCTION positive ramp key Multimeter will indicate between 4 38 and 4 62 V de b Adjustments No adjustments can be made 19 High Voltage Output Option 002 only a Performance Check 1 Connect SIGNAL to multimeter INPUT HI and LO 2 Press keys and enter values using DATA keys as listed in a through i below a FUNCTION sine wave b ENTRY FREQ c 2kHz d SIGNAL on e ENTRY DC OFFSET O VOLT g ENTRY AMPTD h 14 14 V RMS ij AMPTD CAL 3 Multimeter will indicate between 13 86 and 14 42 V ac 4 Press keys and enter values using DATA keys as listed in a through e below 20 TB 9 6625 2049 35 a ENTRY FREQ b 100 kHz c
3. ENTRY DC OFFSET key lit 6 Enter 0 VOLT using DATA keys and press AMPTD CAL key 7 Connect multimeter INPUT HI to TP AMP OUT fig 3 and LO to circuit board ground NOTE The voltages measured in 1 through 3 above may be adjusted out of tolerance by 8 through 11 below This is not a cause for concern 8 Adjust R40 fig 3 until digital multimeter indicates less than 5 mV dce R 9 Connect multimeter INPUT HI and LO to TI SIGNAL Do not use 5002 feedthrough termination 10 Enter 5 VOLT using DATA keys 11 Press AMPTD CAL key Adjust R22 fig 5 until multimeter indicates 10 000 V de 12 Enter 5 VOLT using DATA keys 13 Multimeter will indicate between 9 985 and 10 015 V dc 21 Final Procedure a Deenergize and disconnect all equipment b Annotate and affix DA _ label form in accordance with TB 750 25 22 TB 9 6625 2049 35 By Order of the Secretary of the Army Official ERIC K SHINSEKI General United States Army Chief of Staff fl 6 Mb JOEL B HUDSON Administrative Assistant to the Secretary of the Army 0029703 DISTRIBUTION To be distributed in accordance with IDN 342200 requirements for calibration procedure TB 9 6625 2049 35 PIN 052316 000
4. GENERATOR TIME FREQUENCY WORKSTATION Output 4 5 V 10 kHz AM distortion lt 30 dB at 10 kHz Distortion lt 60 dB at 50 Hz Range 99 9950 us to 60 000 300 Hz Accuracy 1 25 x 10 8 Capability Time interval A to B Frequency 100 kHz to 10 MHz Volts 683 to 732 V rms Accuracy 0 85 AM 0 to 80 Range 20 225 to 20 225 V de Accuracy 0 05 Range 0 3416 to 20 4 V ac 100 Hz to 100 kHz Accuracy 0 3 Frequency 1 kHz to 10 MHz Amplitude 1 8 to 2 2 V p p Accuracy 2 5 Capabilities Duty cycle 49 7 to 50 3 Overshoot 5 Rise time and fall time lt 20 ns Frequency 50 kHz to 20 MHz Input 20 dBm and 40 V Display capability lt 65 dBc Frequency 0 1 MHz Amplitude 13 dBm Reference output frequency 10 MHz Accuracy 5 x 10 8 Boonton Model 1120 S 10 MIS 35954 2 Hewlett Packard Model 5345A MIS 28754 1 Type 1 Consisting of Measuring receiver Hewlett Packard Model 8902A and Sensor module Hewlett Packard Model 11722A Hewlett Packard Model 3458A Tektronix Type 2430A OS 291 G AN USM 489A V 1 Hewlett Packard Model 3335AOPT 001 K06 MIS 35938 Autek Systems Corporation Model 620 MIS 38946 RESISTANCE STANDARD Range 470Q Biddle Gray Model 71 631 7910328 TB 9 6625 2049 35 SECTION III CALIBRATION PROCESS 6 Preliminary Instructions a The instructions outlined in paragraphs 6 and 7 are preparatory to the cal
5. Tolerance relative to attenuator range 1 into a 509 load programmed amplitude at 1 kHz Sine wave 100 kHz to 20 0 3dB MHz Square wave 100 kHz to 10 MHz 10 See footnotes at end of table TB 9 6625 2049 35 Table 1 Calibration Description Continued Test instrument parameters Amplitude accuracy with dc offset and no attenuation into 50Q load range 1 Attenuator accuracy these errors are additive with the amplitude accuracy errors Performance specifications Tolerance relative to programmed amplitude Sine wave 001 Hz to 100 kHz 0 3 dB Square 001 Hz to 100 kHz 3 Triangle 001 Hz to 2 kHz 4 2 kHz to 10 kHz 6 Ramps 001 Hz to 500 Hz 4 500 Hz to 10 kHz 11 Function and frequency range Tolerance relative to programmed amplitude 001 Hz to 100 kHz Attenuator ranges 2 through 8 0 1 dB 100 kHz to 10 MHz Attenuator ranges 2 through 8 0 2 dB 10 MHz to 20 MHz Attenuator ranges 2 through 4 Attenuator ranges 5 through 8 0 2 dB 0 5 dB Amplitude output Amplitude option 002 high voltage output Range 1 000 mV to 10 00 V p p Range 4 mV to 40 V p p gt 500Q Flatness Accuracy 2 of full output for each range at 2 kHz 10 of programmed amplitude De offset De offset option 002 De plus ac Range 5 V dc Accuracy 0 4 of full peak output for each attenuator range Range 20 V dc
6. active FUNCTION key to remove ac output and activate ENTRY DC OFFSET key lit 4 Enter 5 VOLT using DATA keys and press AMPTD CAL key 5 Multimeter will indicate between 4 98 and 5 02 V dc 6 Enter 5 VOLT using DATA keys Multimeter will indicate between 4 98 and 5 02 V de 7 Repeat technique of 6 above using TI settings and multimeter indications listed in table 5 Table 5 Dc Offset DC OFFSET V de settings 1 499 VOLT 18 TB 9 6625 2049 35 Table 5 Dc Offset Continued Test instrument DC OFFSET settings 1 499 mV 0 001519 0 001479 NOTE Perform 8 through 11 below for option 002 only 8 Remove 50Q feedthrough termination from equipment setup 9 Press SIGNAL key on 10 Enter 20 VOLT using DATA keys Multimeter will indicate between 19 775 and 20 225 V dc 11 Enter 20 VOLT using DATA keys Multimeter will indicate between 19 775 and 20 225 V dc b Adjustments No adjustments can be made 18 De Offset with Ac a Performance Check 1 Connect SIGNAL to multimeter INPUT HI and LO using 50Q feedthrough termination 2 Press keys and enter values using DATA keys as listed in a through i below a SIGNAL off option 002 not lit b FUNCTION sine wave c ENTRY FREQ d 20 999 999 999 MHz e ENTRY AMPTD f 1 VOLT g ENTRY DC OFFSET h 4 5 VOLT i AMPTD CAL 3 Multimeter will indicate between 4 35 and 4 65 V dc 19 TB 9 6625 2049 35 4
7. Accuracy 1 25 mV of full output for each attenuator range Range lt 1 MHz Accuracy 1 2 Ramps 2 4 Range gt 1 MHz Accuracy 3 1Not verified below 50 Hz 2Except lowest attenuator range where accuracy is 20 uV SECTION II EQUIPMENT REQUIREMENTS 4 Equipment Requirdd Table 2 identifies the specific equipment to be used in this This equipment is issued with Secondary Transfer Calibration Standards Set AN GSM 287 Alternate items may be used by the calibrating activity The item selected must be verified to perform satisfactorily prior to use and must bear evidence of current calibration The equipment must meet or exceed the minimum use specifications listed in table 2 The accuracies listed i provide a four to one ratio between the calibration procedure standard and TI TB 9 6625 2049 35 5 Accessories Required The accessories required for this calibration are common usage accessories issued as indicated in paragraph 4 above and are not listed in this calibration procedure The following peculiar accessory is also required for this calibration 50Q feedthrough termination Hewlett Packard Model 11048C Table 2 Minimum Specifications of Equipment Required Common name Minimum use specifications Manufacturer and model part number AUDIO ANALYZER FREQUENCY COUNTER MEASURING RECEIVER MULTIMETER OSCILLOSCOPE SPECTRUM ANALYZER SYNTHESIZER LEVEL
8. ENTRY AMPTD d 10 V RMS e AMPTD CAL 5 Multimeter will indicate between 9 and 11 V ac 6 Press keys and enter values using DATA keys as listed in a through f below a FUNCTION square wave b ENTRY FREQ c 2kHz d ENTRY AMPTD e 20 V RMS f AMPTD CAL 7 Multimeter will indicate between 19 6 and 20 4 V ac 8 Press FUNCTION triangle key and enter 11 5 V RMS using DATA keys 9 Press AMPTD CAL key Multimeter will indicate between 11 27 and 11 738 V ac 10 Press FUNCTION positive ramp key and repeat 9 above b Adjustments No adjustments can be made 20 Power Supply NOTE Do not perform power supply check if all other parameters are within tolerance a Performance Check 1 Connect multimeter INPUT HI to 15 V TP fig 5 and LO to ground side of C9 fig 5 Adjust R22 fig 5 for a multimeter indication of 14 97 to 15 03 V dc R 2 Connect multimeter INPUT HI to 15 V TP fig 5 Readjust R22 fig 5 if multimeter does not indicate between 14 9 and 15 1 V dc 3 Connect multimeter INPUT HI to 5 V TP fig 5 Readjust R22 fig 5 if multimeter does not indicate between 5 01 and 5 05 V dc 4 Repeat 1 through 3 above for best in tolerance condition on all test points 21 TB 9 6625 2049 35 15U TP 5U TP 15U TP Ground side of C9 Figure 5 Power supply assembly A2 test instrument top view 5 Press presently active FUNCTION key to remove ac output and activate
9. __V RMS 1Press ENTRY DC OFFSET key and enter 1 mV using DATA keys 5 Press keys and enter values using DATA keys as listed in a through g below a ENTRY DC OFFSET b OmV c ENTRY FREQ d 1 kHz e ENTRY AMPTD 707 V RMS g AMPTD CAL 6 Press MODIFY keys for a multimeter indication as close as possible to 0 707 V ac 7 Enter 100 kHz using DATA keys Multimeter will indicate between 0 683 and 0 732 V ac Record multimeter indication 8 Disconnect multimeter and 50Q feedthrough termination from TI NOTE If necessary ZERO and CALIBRATE measuring receiver and sensor module 9 Connect measuring receiver sensor module to TI SIGNAL 10 Set measuring receiver to measure volts at 1 MHz 11 Press ENTRY AMPTD key 12 Press MODIFY keys for a measuring receiver indication as close as possible to indication recorded in 7 above 13 Press ENTRY FREQ key and enter 500 kHz using DATA keys 14 Set measuring receiver to measure volts at 5 MHz Measuring receiver will indicate between 0 683 and 0 732 V 15 Repeat technique of 13 and 14 above using TI and measuring receiver settings listed i Measuring receiver will indicate between 0 683 and 0 732 V 15 TB 9 6625 2049 35 Table 4 Flatness Test instrument and measuring receiver settings MHz b Adjustments No adjustments can be made 15 Square Wave Amplitude and Flatness a Performance Check 1 Connect TI SIGNAL t
10. adjustments can be made 10 Square Wave Characteristics a Performance Check 1 Press keys and enter values using DATA keys as listed in a through f below TB 9 6625 2049 35 a SIGNAL off option 002 not lit b FUNCTION square wave c ENTRY FREQ d 1 MHz e ENTRY AMPTD f 1V RMS 2 Connect TI SIGNAL to oscilloscope CH 1 3 Set oscilloscope CH 1 COUPLING 500 to ON 4 Set oscilloscope controls for duty cycle measurement Duty cycle will be between 49 7 and 50 3 percent 5 Enter 10 VOLT using DATA keys 6 Set oscilloscope controls for rise time measurement Rise time will be lt 20 ns 7 Repeat 6 above for fall time 8 Set oscilloscope controls for overshoot measurement Overshoot will be lt 5 percent of peak to peak amplitude lt 500 mV at positive and negative peaks 9 Perform 10 through 12 below for option 002 only 10 Set oscilloscope CH 1 COUPLING 500 to OFF 11 Press TI SIGNAL key on lit 12 Repeat technique in 6 through 8 above Rise time and fall time will be lt 125 ns with an overshoot lt 10 percent of peak amplitude lt 500 mV at positive and negative peaks b Adjustments No adjustments can be made 11 Ramp Retrace a Performance Check 1 Connect TI SIGNAL to oscilloscope CH 1 2 Set oscilloscope CH 1 COUPLING 500 to ON 3 Press keys and enter values using DATA keys as listed in a through f below a SIGNAL off option 002 not lit b FUNCTION
11. e Adj fig 3 for a minimum indication on frequency difference meter 13 Disconnect TI from frequency difference meter 14 Reconnect TI rear panel 10 MHz OVEN OUTPUT to EXT REF IN 13 Phase Increment a Performance Check 1 Press keys and enter values using DATA keys as listed in a through f below a SIGNAL off option 002 not lit b FUNCTION sine wave c ENTRY FREQ d 100 kHz e ENTRY AMPTD f 13 dBm 2 Connect equipment as shown i 10 MHz EXT REF IN OUTPUT CHANNEL A G3 OUTPUT 50Q A CHANNEL B Synthesizer Level TI Frequency counter Generator Figure 4 Phase increment equipment setup NOTE If TI has option 001 remove the connection from 10 MHz OUTPUT to EXT REF IN rear panel fig 4 3 Set synthesizer level generator frequency to 1 MHz and amplitude to 13 dBm 4 Set frequency counter controls for time interval A to B measurement 5 Press keys as listed in a through c below a ENTRY PHASE b MODIFY until frequency counter indicates between 199 and 201 ns c Blue then ASGN ZERO PHASE 13 TB 9 6625 2049 35 6 Adjust frequency counter sample rate control to HOLD and press RESET pushbutton Record frequency counter indication 7 Press ENTRY PHASE key and enter 1 deg using DATA keys 8 Press frequency counter RESET pushbutton and record frequency counter indication 9 Determine the difference between indication recorded in 6 above and indicat
12. eees Amplitude modulation distortion 006 9 9 Square wave characteristics ssssssssssseeees 9 Ramp retrace cccccccccesseeeeeecccccceeaeeeeeceeeeeeeaeeees Frequency accuracy cececceeesteeeeesteeeeeeesneeeeees Phase increment c ccccccccsssssscssesesesssessessseaes Sine wave amplitude and flatness 00 Square wave amplitude and flatness This bulletin supersedes TB 9 6625 2049 35 15 January 1996 TB 9 6625 2049 35 SECTION II CALIBRATION PROCESS Continued I Triangle and ramp amplitude ccesseseeeeees DG OfSCE seeren Fecscecatnsssaessaentatetevarea renee De offset With ac ccccccccccceeessscenceeceeseeeeennaeeeeeees High voltage output option 002 only 0 Power sUpplyescesnncnnnennnnnnnnninrnenns Final procedure cccccccccsessssccceeeceesessssseeeeeees SECTION I IDENTIFICATION AND DESCRIPTION 1 Test Instrument Identification This bulletin provides instructions for the calibration of Synthesizer Function Generator Hewlett Packard Models 3325A and 3325B The manufacturer s manuals and TM 11 6625 3065 14 were used as the prime data sources in compiling these instructions The equipment being calibrated will be referred to as the TI test instrument throughout this bulletin a Model Variations Option 001 High Stability Frequency Reference Option 002 High Voltage Output Option E04 include
13. ibration process Personnel should become familiar with the entire bulletin before beginning the calibration b Items of equipment used in this procedure are referenced within the text by common name as listed in table 2 c Unless otherwise specified verify the result of each test and whenever the test requirement is not met take corrective action before continuing with the calibration Adjustments required to calibrate the TI are included in this procedure Additional maintenance information is contained in TM 11 6625 3065 14 and the manufacturer s manual for this TI d When indications specified in paragraphs 8 through 19 are not within tolerance perform the power supply check prior to making adjustments After adjustments are made repeat paragraphs 8 through 19 Do not perform power supply check if all other parameters are within tolerance e Unless otherwise specified all controls and control settings refer to the TI 7 Equipment Setup WARNING HIGH VOLTAGE is used or exposed during the performance of this calibration DEATH ON CONTACT may result if personnel fail to observe safety precautions REDUCE OUTPUT S to minimum after each step within the performance check where applicable CAUTION Before connecting TI to power source make sure TI is set to the power source line voltage shown on rear of TI a Connect TI to a 115 V ac source Press POWER pushbutton to ON and allow at least 24 hours 72 hours for option 001 f
14. ics All harmonics will be at least 65 dB below fundamental 18 Press ENTRY FREQ key and enter 190 kHz using DATA keys Adjust spectrum analyzer controls to display 190 kHz fundamental and at least four harmonics All harmonics will be at least 60 dB below fundamental 19 Enter 1 MHz using DATA keys Adjust spectrum analyzer controls to display 1 MHz fundamental and at least four harmonics All harmonics will be at least 40 dB below fundamental b Adjustment No adjustments can be made TB 9 6625 2049 35 9 Amplitude Modulation Distortion a Performance Check 1 Press keys and enter values using DATA keys as listed in a through i below a SIGNAL off option 002 not lit b FUNCTION sine wave c ENTRY FREQ d 1 MHz e ENTRY AMPTD f 3 VOLT g ENTRY DC OFFSET h 0 VOLT i Blue then AM ON 2 Connect equipment as shown i Audio analyzer AMPTD MOD 5U INPUT joop Hilo e HIGH f O 1 OUTPUT HI Measuring receiver MODULATION OUTPUT AUDIO INPUT Se Oseses aoon 5 5900 N NPUT 509 Figure 2 AM distortion equipment setup 3 Set audio analyzer for a 50Q SPCL 75 10 kHz 2 5 V output 4 Set measuring receiver to measure AM 5 Adjust audio analyzer level until measuring receiver indicates 80 6 Set audio analyzer to measure distortion in dB Audio analyzer indication will be lt 30 dB 7 Press TI blue key then DATA AM OFF key b Adjustments No
15. ion recorded in 8 above The difference will be between 22 22 and 33 34 ns 10 Enter 10 deg using DATA keys 11 Press frequency counter RESET pushbutton and record frequency counter indication 12 Determine the difference between indication recorded in 6 above and indication recorded in 11 above The difference will be between 272 22 and 283 34 ns 13 Enter 100 deg using DATA keys 14 Press frequency counter RESET pushbutton and record frequency counter indication 15 Determine the difference between indication recorded in 6 above and indication recorded in 14 above The difference will be between 2722 22 and 2783 34 ns b Adjustments No adjustments can be made 14 Sine wave Amplitude and Flatness a Performance Check 1 Connect TI SIGNAL to multimeter INPUT HI and LO using 50Q feedthrough termination 2 Press keys and enter values using DATA keys as listed in a through i below a SIGNAL off option 002 not lit b ENTRY DC OFFSET c 0 VOLT d FUNCTION sine wave e ENTRY AMPTD f 3 536 V RMS g ENTRY FREQ h 100 Hz ij AMPTD CAL 3 Multimeter will indicate between 3 495 and 3 577 V ac 4 Repeat technique of 2 e through i and 3 above using TI settings and multimeter indications listed in_table 3 14 TB 9 6625 2049 35 Table 3 Amplitude Multimeter indications V ac kHz 3 495 3 577 1 061 __ VRMS 1 061 ___ VRMS 3536 ___ V RMS 3536 V RMS 3536
16. m TI SYNC OUT 18 Connect frequency counter to TI AUX 21 60 MHz rear panel 14 Press keys and enter values using DATA keys as listed in a through c below a FUNCTION sine wave b ENTRY FREQ c 60 MHz 11 TB 9 6625 2049 35 15 Set frequency counter controls to measure frequency If frequency counter does not indicate between 59 99970 and 60 00030 MHz perform b below b Adjustments 1 Disconnect TI rear panel 10 MHz OVEN OUTPUT from EXT REF IN option 001 only 2 Connect frequency counter CHANNEL A to TI rear panel AUX 21 60 MHz 3 Press keys and enter values using DATA keys as listed in a through c below a FUNCTION sine wave b ENTRY FREQ c 60 MHz 4 Adjust REF R30 fig 3 until frequency counter indicates 60 000000 MHz R FRONT R Fine Adj REF Coarse Adj R30 Figure 3 Test instrument bottom view 5 Disconnect frequency counter from TI rear panel AUX 21 60 MHz 6 Connect frequency counter CHANNEL A to TI SIGNAL 7 Enter 20 MHz using DATA keys Frequency counter will indicate between 19 99990 and 20 00010 MHz 8 Disconnect frequency counter from TI 9 Perform 10 through 14 below for option 001 only 10 Connect time frequency workstation OUTPUT 1 MHz to frequency difference meter REF INPUT 11 Connect TI rear panel 10 MHz OVEN OUTPUT to frequency difference meter SIG INPUT 12 TB 9 6625 2049 35 12 Adjust A9R7 Fine Adj fig 3 and A9 Coars
17. nd Ramp Amplitude a Performance Check 1 Connect TI SIGNAL to multimeter INPUT HI and LO using 50Q feedthrough termination 2 Press keys and enter values using DATA keys as listed in a through i below a SIGNAL off option 002 not lit b ENTRY DC OFFSET c 0 VOLT d FUNCTION triangle e ENTRY AMPTD f 2 887 V RMS g ENTRY FREQ h 100 Hz ij AMPTD CAL 3 Multimeter will indicate between 2 843 and 2 931 V ac 4 Enter 1 9 kHz using DATA keys Multimeter will indicate between 2 843 and 2 931 V ac 5 Enter 2 1 kHz using DATA keys Multimeter will indicate between 2 742 and 3 032 V ac 17 TB 9 6625 2049 35 6 Enter 10 kHz using DATA keys Multimeter will indicate between 2 742 and 3 032 V ac 7 Press keys and enter values using DATA keys as listed in a through c below a FUNCTION positive ramp b 100 Hz c AMPTD CAL 8 Multimeter will indicate between 2 843 and 2 931 V ac 9 Enter 499 Hz using DATA keys Multimeter will indicate between 2 843 and 2 931 V ac 10 Enter 501 Hz using DATA keys Multimeter will indicate between 2 598 and 3 176 V ac 11 Enter 10 kHz using DATA keys Multimeter will indicate between 2 598 and 3 176V ac b Adjustments No adjustments can be made 17 De Offset a Performance Check 1 Connect TI SIGNAL to multimeter INPUT HI and LO using 50Q feedthrough termination 2 Press SIGNAL key off option 002 not lit 3 Press presently
18. ng TI DATA keys Adjust spectrum analyzer controls to display 190 kHz fundamental and at least four harmonics All harmonics will be at least 60 dB below fundamental 8 Enter 100 kHz using TI DATA keys Adjust spectrum analyzer controls to display 100 kHz fundamental and at least four harmonics All harmonics will be at least 60 dB below fundamental 9 Enter 40 kHz using TI DATA keys Adjust spectrum analyzer controls to display 40 kHz fundamental and at least four harmonics All harmonics will be at least 65 dB below fundamental 10 Disconnect TI from spectrum analyzer 11 Connect TI SIGNAL to audio analyzer INPUT HIGH using 50Q feedthrough termination 12 Press keys and enter values using DATA keys as listed in a through c below TB 9 6625 2049 35 a 50 Hz b ENTRY AMPTD c 10 VOLT 13 Set audio analyzer to measure distortion in dB Audio analyzer indication will be lt 65 dB 14 Perform 15 through 19 below for option 002 only 15 Connect equipment as shown in figure l and set resistance standard to 470 10 MHz REF IN OUT EXT REF IH Spectrum analyzer KX INPUT 502 Resistance standard Figure 1 Harmonic distortion equipment setup 16 Press keys and enter values using DATA keys as listed in a through e below a SIGNAL on b ENTRY FREQ c 25 kHz d ENTRY AMPTD e 40 VOLT 17 Adjust spectrum analyzer controls to display 25 kHz fundamental and at least four harmon
19. o multimeter INPUT HI and LO using 50Q feedthrough termination 2 Press keys and enter values using DATA keys as listed in a through i below a b c d e f g h i SIGNAL off option 002 not lit ENTRY DC OFFSET 0 VOLT FUNCTION square wave ENTRY AMPTD 5 V RMS ENTRY FREQ 100 Hz AMPTD CAL 3 Multimeter will indicate between 4 95 and 5 05 V ac 4 Enter 1 kHz using DATA keys Multimeter will indicate between 4 95 and 5 05 V ac 5 Enter 100 kHz using DATA keys Multimeter will indicate between 4 95 and 5 05 V ac 6 Press keys and enter values using DATA keys as listed in a through d below 16 TB 9 6625 2049 35 a 1 kHz b ENTRY AMPTD c 1V RMS d AMPTD CAL 7 Multimeter will indicate between 0 99 and 1 01 V ac 8 Disconnect TI from multimeter 9 Connect TI SIGNAL to oscilloscope CH 1 using 50Q feedthrough termination 10 Set oscilloscope controls to measure square wave amplitude Record oscilloscope indication 11 Press ENTRY FREQ key and enter 1 MHz using DATA keys 12 Set oscilloscope controls to measure square wave amplitude Oscilloscope indication will be within 10 percent of indication recorded in 10 above 13 Enter 3 MHz using DATA keys and repeat 12 above 14 Enter 5 MHz using DATA keys and repeat 12 above 15 Enter 10 MHz using DATA keys and repeat 12 above b Adjustments No adjustments can be made 16 Triangle a
20. or warmup b Before continuing review 1 through 4 below 1 The SWEEP LINEAR LOG ENTRY FUNCTION SIGNAL and blue keys each have an indicator denoting that it is activated 2 When power is applied to the TI some keys will be lit 3 Pressing any FUNCTION key that is active will delete that function and no ac signal will be present at the output 4 Some instructions will be repeated during programming This is done to ensure correct output is available TB 9 6625 2049 35 8 Harmonic Distortion a Performance Check 1 Connect TI EXT REF IN 1 10 MHz to spectrum analyzer 10 MHz REF IN OUT 2 Connect TI SIGNAL to spectrum analyzer INPUT 500 3 Press keys and enter values using DATA keys as listed in a through h below a SIGNAL off option 002 not lit b FUNCTION sine wave c ENTRY AMPTD d 20 dBm e ENTRY DC OFFSET O VOLT g ENTRY FREQ h 20 MHz 4 Adjust spectrum analyzer controls to display 20 MHz fundamental and at least four harmonics All harmonics will be at least 25 dB below fundamental 5 Enter 14 MHz using TI DATA keys Adjust spectrum analyzer controls to display 14 MHz fundamental and at least four harmonics All harmonics will be at least 30 dB below fundamental 6 Enter 1 9 MHz using TI DATA keys Adjust spectrum analyzer controls to display 1 9 MHz fundamental and at least four harmonics All harmonics will be at least 40 dB below fundamental 7 Enter 190 kHz usi
21. positive ramp c ENTRY FREQ d 10 kHz e ENTRY AMPTD f 10 VOLT 10 TB 9 6625 2049 35 4 Set oscilloscope controls to measure ramp retrace time from the 90 to 10 percent points Ramp retrace time will be lt 3 us 5 Press FUNCTION negative ramp key and repeat 4 above b Adjustments No adjustments can be made 12 Frequency Accuracy a Performance Check 1 Connect TI SIGNAL to frequency counter CHANNEL A 2 Press keys and enter values using DATA keys as listed in a through f below a SIGNAL off option 002 not lit b FUNCTION sine wave c ENTRY FREQ d 20 MHz e ENTRY AMPTD f 99 VOLT 3 Set frequency counter 50Q 1MQ switch to 50 4 Set frequency counter controls to measure frequency If frequency counter does not indicate between 19 99990 and 20 00010 MHz perform b below 5 Press FUNCTION square wave key Frequency counter will indicate between 9 999950 and 10 000050 MHz 6 Disconnect frequency counter from TI SIGNAL 7 Connect frequency counter CHANNEL A to TI SYNC OUT 8 Press TI FUNCTION triangle key 9 Set frequency counter controls to measure period Frequency counter will indicate between 99 99950 and 100 00050 us 10 Press FUNCTION positive ramp key Frequency counter will indicate between 99 99950 and 100 00050 us 11 Press FUNCTION negative ramp key Frequency counter will indicate between 99 99950 and 100 00050 us 12 Disconnect frequency counter fro
22. s Options 001 002 and instrument front handles and chassis slides Option 907 Front Handle Assembly Option 908 Rack Mount Flange Kit Option 909 Rack Mount Flange Kit Front Handle Assembly Option 910 Additional Operating and Service Manual Variations among models are described in text tables and figures b Time and Technique The time required for this calibration is approximately 4 hours using the dc and low frequency technique 2 Forms Records and Reports a Forms records and reports required for calibration personnel at all levels are prescribed by TB 750 25 b Adjustments to be reported are designated R at the end of the sentence in which they appear When adjustments are in tables the R follows the designated adjustment Report only those adjustments made and designated with R 3 Calibration Description TI parameters and performance specifications which pertain to this calibration are in table 1 TB 9 6625 2049 35 Table 1 Calibration Description Test instrument parameters Performance specifications Harmonic distortion Fundamental frequency 0 1 Hz To 50 kHz relative to fundamental at Accuracy No harmonic greater than 65 dB full output Fundamental frequency 50 to 200 kHz Accuracy No harmonic greater than 60 dB Fundamental frequency 200 kHz to 2 MHz 200 kHz to 1 MHz for option 002 Accuracy No harmonic greater than 40 dB Fundamental frequency 2 to 15 MHz Accuracy No harmonic grea
23. ter than 30 dB Fundamental frequency 15 to 20 MHz Accuracy No harmonic greater than 25 dB Amplitude modulation AM distortion lt 30 dB at 80 modulation 10 kHz and 0 V de offset Square wave Rise time and fall time lt 20 ns lt 125 ns for option 002 at full output Symmetry lt 02 of period 3 ns Overshoot lt 5 of p p amplitude at full output lt 10 of peak amplitude for option 002 Ramp retrace lt 3 us retrace time positive or negative ramps Frequency Accuracy 5 x 10 of selected value Sine wave Range 1 uHz to 20 999 999 999 Hz option 002 02 Hz to 25 6 kHz Square wave Range 1 uHz to 10 999 999 999 Hz option 002 02 Hz to 25 6 kHz Triangle Range 1 uHz to 10 999 999 999 Hz option 002 02 Hz to 10 kHz Positive slope ramp Range 1 uHz to 10 999 999 999 Hz option 002 02 Hz to 10 kHz Negative slope ramp Range 1 uHz to 10 999 999 999 Hz option 002 02 Hz to 10 kHz Phase offset Range Variable 719 9 with respect to arbitrary starting phase or assigned zero phase Accuracy _ 0 2 Tolerance relative to Amplitude programmed amplitude Amplitude accuracy with no Sine wave 001 Hz to 100 kHz 0 1 dB attenuation attenuator range1 Square wave 001 Hz to 100 kHz 1 0 into 50Q load no dc offset Triangle 001 Hz to 2 kHz 1 5 2 kHz to 10 kHz 5 Ramps 001 Hz to 500 Hz 1 5 500 Hz to 10 kHz 10 Flatness with no attenuation
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