HP 5345AOPT12 User's Manual
Contents
1. a CHANNEL A LEVEL control to PRESET b CHANNEL A SLOPE switch to c CHANNEL A 50Q 1MQ switch to 50Q d CHANNEL A ATTEN X1 X10 switch to X1 e CHANNEL A AC DC switch to DC f CHECK COM A SEP switch to SEP 3 Connect TI CHANNEL A input to function generator Function Output Unbalanced 4 Press the function generator Enter key to enable the knob and slowly rotate the function generator knob cw until TI display GATE light flashes and indication is stable at approximately 10 Hz 5 Verify that the function generator indicates within limits specified in table 3 If not perform b below 6 Repeat technique of 1 through 5 above for remaining settings listed in table Table 3 Sensitivity Test CHECK COM Function generator signal Function generator signal instrument generator frequency generator indications input setting setting lt lSubstitute the signal generator for the function generator Substitute the function generator for the signal generator A A A A A A A TB 9 6625 1996 35 b Adjustments 1 Substitute signal generator for function generator 2 Connect signal generator RF OUTPUT connector to TI CHANNEL A input 3 Connect signal generator EXT REF INPUT connector rear panel to TI FREQ STD OUTPUT 10 MHz connector rear panel 4 Extend front panel display assembly using extender cable 05345 60205 Disconnect CHAN A P1 caple from A9 J1 CHA CHAN B P2 cable to A9 J2 CH B for2. TB 9 6625 1996 35 DEPARTMENT OF THE ARMY TECHNICAL BULLETIN CALIBRATION PROCEDURE FOR FREQUENCY COUNTER HEWLETT PACKARD MODELS 5345A 5345A E28 AND 5345AOPT12 Headquarters Department of the Army Washington DC 25 June 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 MA NP 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 2028 redstone army mil or FAX 256 842 6546 DSN 788 6546 SECTION I IDENTIFICATION AND DESCRIPTION Paragraph Page Test instrument identification cccc0eeeeeee all 2 Forms records and reports cccccescseeeeeeeees Calibration description ccccceseseceeeseeeeeeeees B EQUIPMENT IDENTIFICATION Equipment required cccccccssescececseseeseceenees A Accessories required oesesessseresesreesserrssreres Ill CALIBRATION PROCESS Preliminary instructions cccsccscceeeeeeeeeees Equipment Set Pi cccicdsiccsisaveredsssoasanavacscedasnncieadie Time base stability eerren SOMSItiVity ccecssssssncncsccscensssssnecesscvcnssssseeees A12 Interface T O cccc
3. PRESET 6 CHANNEL A and B SLOPE switches to positive 7 CHANNEL A and B input impedance switches to 50 Q 8 CHANNEL A and B ATTEN switches to X1 9 CHANNEL A and B AC DC switches to DC 10 CHECK COM A SEP switch to SEP 8 Time Base Stability a Performance Check 1 Connect time frequency workstation OUTPUT 1 MHz to frequency difference meter REF INPUT 2 Connect TI FREQ STD OUTPUT 10 MHz rear panel to frequency difference meter SIG INPUT 3 Adjust A18 FREQ ADJ fig I for minimum difference indication on frequency difference meter AS A7 AG A18 FREQ A4 A3 A9 Figure 1 Test instrument top view 4 Allow at least 24 hours for stabilization Frequency difference meter indication will remain within 5 parts in 10 19 5 Adjust autotransformer output to 105 V and allow 15 minutes for stabilization Verify that TI oscillator drift is less than 1 part in 10 1 6 Adjust autotransformer output to 125 V and allow 15 minutes for stabilization Verify that TI oscillator drift is less than 1 part in 10 7 Adjust autotransformer output to 115 V b Adjustments No further adjustments can be made TB 9 6625 1996 35 9 Sensitivity a Performance Check 1 Set function generator as listed in a through c below a Output Type to UnBalanced 600 b Function to Sine Wave b Frequency to 10 Hz c Amplitude to 1 mV 2 Position TI controls as listed in a through f below
4. CHANNEL B and connect A9 J1 CH A A9 J2 CH B for CHANNEL B to oscilloscope CHANNEL A 5 Position TI CHANNEL A and CHANNEL B controls as listed in a through f below a LEVEL control to PRESET b SLOPE switch to c IMPEDANCE switch to 50Q d ATTEN switch to X1 e COUPLING switch to DC f CHECK COM A SEP switch to SEP 6 Set signal generator frequency to 100 MHz and amplitude to 25 mV 7 Position oscilloscope controls as listed in a through f below a CH1 VOLTS DIV switch to 2 V b SEC DIV switch to 20 ns c Pull delayed sweep switch and set to 10 ns d Set TRIGGER MODE pushbutton to AUTO e Set TRIGGER SOURCE pushbutton to VERT f Set TRIGGER COUPLING pushbutton to DC 8 Adjust A8R41 fig 2 A3R3 for CHANNEL B for a symmetrical waveform displayed on oscilloscope R R41 R3 Figure 2 A3 input attenuator cmponent side 9 While alternately setting CHANNEL A and CHANNEL B SLOPE switches to and observe that waveform maintains its symmetrical form TB 9 6625 1996 35 10 Repeat 8 and 9 above as required to compensate for interaction 11 Disconnect oscilloscope and signal generator from TI reinstall TI from panel and reconnect CHAN A P1 cable to A9 J1 CH A and CHAN B P2 cable to A9 J2 CH B 12 Replace TI covers 10 A12 Interface I O a Performance Check NOTE This option can only be calibrated in an automated mode The TI must be connected to a
5. acturer and model Common name Minimum use specifications part number AUTOTRANSFORMER Range 105 to 125 V ac General Radio Type Accuracy 1 W10MT3AS8S3 7910809 or Ridge Model 9020A 9020A or Ridge Model 9020F 9020F FUNCTION GENERATOR Range 10 Hz to 30 MHz SG 1288 G Amplitude 0 to 40 mV rms Accuracy 3 1 5 dB FREQUENCY DIFFERENCE Range 10 MHz 3 7 to 12 4 GHz Hewlett METER Resolution 1 part in 10 10 per day Packard Model 537A 7910718 2 MULTIMETER Range 2 to 2 Vde Hewlett Packard Model Accuracy 0 000125 3458A 3458A Range 0to 15 Vdc Accuracy 0 03 OSCILLOSCOPE Bandwidth 100 MHz Tektronix Type 2465BOPT46 Sensitivity 50 mV div 2465BOPT46 Sweep rate 10 ns div Accuracy 3 SIGNAL GENERATOR Range 30 to 500 MHz SG 1207 U Amplitude 0 to 40 mV rms Accuracy 3 1 5 dB TIME FREQUENCY Frequency 10 MHz Autek Systems Corp Model WORKSTATION Accuracy 1 25 parts in 10 0 per day 620 MIS 38946 TB 9 6625 1996 35 SECTION ITI CALIBRATION PROCESS 6 Preliminary Instructions a The instruction outlined in paragraphs 6 and 7 are preparatory to the calibration 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 correctiv
6. b Adjustments 1 Adjust R19 fig 4 for 5 00 V indication on multimeter R 2 Adjust R29 for 5 20 V indication on multimeter R 3 Adjust R16 R18 fig 4 serial prefix 1428A and prior for 15 00 V indication on multimeter R 4 Adjust R17 fig R24 serial prefix 1428A and prior for 15 00 V indication on multimeter R 10 TB 9 6625 1996 35 R18 R24 15V RET TP7 TP2 A7 CIRCUIT BOARD S N 1428A 15V RET TP3 R2 5 2 V RET A6 CIRCUIT BOARD R16 R17 TP3 TP1 15V RET 15V RET A7 CIRCUIT BOARD S N 1808 Figure 4 Power supply circuit boards 11 TB 9 6625 1996 35 12 Final Procedure a Deenergize and disconnect all equipment b Annotate and affix DA label form in accordance with TB 750 25 12 TB 9 6625 1996 35 By Order of the Secretary of the Army ERIC K SHINSEKI General United States Army Chief of Staff OFFICIAL jl Cb JOEL B HUDSON Administrative Assistant to the Secretary of the Army 0116212 Distribution To be distributed in accordance with IDN 342172 requirements for calibration procedure TB 9 6625 1996 35 PIN 046669 000 K4XL s BAMA This manual is provided FREE OF CHARGE from the BoatAnchor Manual Archive as a service to the Boatanchor community It was uploaded by someone who wanted to help you repair and maintain your equipment If you paid anyone other than BAMA for this manual you paid someone who is making a pr
7. cccccccseccceecccesceeeeceeensees Power Supply ccccccccecesseesceceeecseeusseeceeeeeeeeaes 0 Final procedure c cccscesessscececeeecesssseseseeseeeaes B 2 This bulletin supersedes TB 9 6625 1996 35 dated 13 November 1985 TB 9 6625 1996 35 SECTION I IDENTIFICATION AND DESCRIPTION 1 Test Instrument Identification This bulletin provides instructions for the calibration of Frequency Counter Hewlett Packard Models 5345A 5345A E28 and 5345AOPT12 The manufacturer s manuals 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 Differences among models are listed within the text b Time and Technique The time required for this calibration is approximately 2 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 applications which pertain to this calibration are in Table 1 Calibration Description Time base Frequency 10 MHz Aging rate after 24 hour
8. controller with a properly configured GPIB IEEE interface card NOTE If you are running this section with any controller and or software other than the fielded controller and the ICE environment you will have to write the required mnemonics and take reading as per the software that you are using 1 Connect TI and multimeter IEEE connectors to the controller GPIBO 2 Assure TI address is set to 2 and multimeter address is set to 12 3 Adjust TI CHANNEL A and CHANNEL B LEVEL controls to PRESET 4 Remove screws holding TI top cover Do not remove top cover until instructed 5 Press the RESET key on the multimeter 6 Output the following mnemonic string to the TI I2B500A500I1 7 Connect multimeter Input HI and LO to TI rear panel CHAN A TRIG LEVEL 8 Output the following mnemonic string to the TI B500A00011 9 Retrieve the reading from the multimeter If the reading is not within limits listed in table 4 perform the listed adjustment 10 Repeat technique of 7 through 9 above for remaining table 4 entries Table 4 A12 interface I O Connect multimeter to Multimeter indication Output mnemonic test instrument Perform adjust rear panel connector Min Max listed below B500A00011 CHAN A TRIG LEVEL 2 0005 1 9995 TB 9 6625 1996 35 A 00I1 CHAN A TRIG LEVEL 1 9995 BOOOI1 CHAN B TRIG LEVEL 2 0005 B 0011 CHAN B TRIG LEVEL 1 9995 b Adjustments NOTE Remove top cover to make adjustments the
9. e action before continuing with the calibration Adjustments required to calibrate the TI are included in this procedure Additional maintenance information is contained in the manufacturer s manual for this TI d 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 a Remove protective cover from TI only when necessary to make adjustments Replace cover after completing the adjustments b Connect TI rear panel DIGITAL BUS 1 0 LOAD to controller GPIBO opt 12 only c Connect TI to autotransformer connect autotransformer to a 115 V ac source and adjust for 115 V ac output d Set POWER switch to ON and allow at least 1 hour for stabilization If TI has been disconnected from line power for more than 24 hours allow at least 24 hours for warmup before beginning calibration e Set TI rear panel INT STD EXT STD switch to INT STD and INTERNAL EXT ARM EXT GATE switch to INTERNAL OPT 12 only f Position controls as listed in 1 through 10 below 1 FUNCTION switch to FREQ A 2 GATE TIME switch to 100 ms 3 DISPLAY POSITION switch to AUTO TB 9 6625 1996 35 4 SAMPLE RATE control fully cew 5 CHANNEL A and B LEVEL controls to
10. n replace top cover before repeating a above 1 Adjust A12 pot A R69 fig 3 for a 2 0000 0 0005 V de multimeter indication R 2 Adjust A12 pot B R74 fig 3 for a 2 0000 0 0005 V dc multimeter indication R 3 Adjust A12 pot D R86 fig 3 for a 2 0000 0 0005 V de multimeter indication R 4 Adjust A12 pot C R82 fig 3 for a 2 0000 0 0005 V dc multimeter indication R Pot D R86 Pot C R82 Pot B R74 gt Pot A R69 gt Al2 Figure 3 I O adjustment location 11 Power Supply NOTE Do not perform power supply check if all other parameters are within tolerance TB 9 6625 1996 35 a Performance Check 1 Mount circuit board A6 fig 1 on extender boards 2 Connect multimeter between A6TP6 and 5 V RET fig 4 If multimeter does not indicate between 4 98 and 5 02 V dc perform b 1 below 3 Connect multimeter between A6TP3 and 5 2 V RET If multimeter does not indicate between 5 18 and 5 22 V perform b 2 below 4 Replace circuit board A6 in TI and mount circuit board A7 fig 1 jon extender boards 5 Connect multimeter between A7TP1 A7TP2 serial prefix 1428A and prior and 15 RET If multimeter does not indicate between 14 98 and 15 02 V perform b 3 below 6 Connect multimeter between A7TP3 A7TP7 serial prefix 1428A and prior and 15 V RET If multimeter does not indicate between 14 98 and 15 02 V perform b 4 below
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12. warmup lt 5x 10 1 per day Line voltage variation for 10 variation lt 1x 10 15 minutes after change Channel A and B sensitivity Separate inputs 25 mV rms dc to 500 MHz dc coupled Common inputs 50 mV rms dc to 400 MHz dc coupled A12 interface I O Range 2 to 2 V de Accuracy 0 0005 V dc TB 9 6625 1996 35 SECTION II EQUIPMENT REQUIREMENTS 4 Equipment Required Table 2 identifies the specific equipment to be used in this calibration procedure This equipment is issued with Secondary Transfer Calibration Standards Set AN GSM 287 or AN GSM 705 Alternate items may be used by the calibrating activity The items 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 in table 2 provide a four to one ratio between the standard and TI 5 Accessories Required The accessories required for this calibration are common usage accessories issued as indicated in paragraph 4 hbove and are not listed in this calibration procedure The following peculiar accessories are also required for this calibration Adapter SMC jack to BNC plug Hewlett Packard Model 1250 0831 Extender Boards 10 terminal circuit board extenders 05345 60201 and 05345 60202 and Extender Cable Hewlett Packard Model 05345 60205 Table 2 Minimum Specifications of Equipment Required Manuf
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