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HP 53131A, Assembly And Service Manual

The HP 53131A Programming Manual is a comprehensive guide that provides step-by-step instructions on using and programming the HP 53131A frequency counter. This manual is a valuable resource for users seeking detailed information and is available for free download from our website.

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Chapter 2  Service

Troubleshooting the Counter

Assembly-Level Service Guide

2-45

2

Troubleshooting the Counter

Power Supply Check

WARNING

HAZARDOUS VOLTAGES ARE ON THE POWER SUPPLY 
ASSEMBLY. ONLY SERVICE TRAINED AND QUALIFIED 
PERSONNEL SHOULD PERFORM THE FOLLOWING 
PROCEDURE.

1

Remove the power cord from the back of the instrument to 
disconnect the Counter from the power source.

2

Remove the cover as described in Chapter 3.

NOTE

A4 AC Power Supply Assembly is fused for safety reasons. It is assumed 
that if the fuses are blown, then damage has occurred to the power supply 
which will make it unreliable. Do not attempt to repair the power supply.

3

Connect the Counter to the power source.

The fan should begin to operate as soon as power is supplied. If the fan 
does not operate, replace A4 AC Power Supply Assembly.

Refer to Chapter 3, “Replacing Assemblies,” in this service guide if you 
need to remove or replace an assembly.

After replacing the power supply assembly, perform the appropriate 
calibration procedures in this chapter.

4

Connect the negative lead of a voltmeter to the chassis and verify 
that the voltages in Table 2-4 match the voltages measured on 
connector J18 of A1 Motherboard Assembly. See Figure 2-9 for 
illustration of J18 viewing from the bottom of the Counter.

CAUTION

BE CAREFUL to NOT short the positive-side lead of the voltmeter to the 
chassis when probing at the testpoints shown in Figure 2-9.

Summary of Contents for 53131A

Page 1: ...Assembly Level Service Guide HP 53131A 132A 181A 225 MHz Counter ...

Page 2: ......

Page 3: ...3132A Universal Counters and the HP 53181A Frequency Counter The information in this guide applies to instruments having the number prefix listed below unless accompanied by a Manual Updating Changes package indicating otherwise SERIAL PREFIX NUMBER 3711 AND ABOVE HP 53131A 3710 AND ABOVE HP 53132A 3711 AND ABOVE HP 53181A ...

Page 4: ...od HP will replace software media which does not execute its programming instructions due to such defects For detailed warranty information see back matter Safety Considerations General This product and related documentation must be reviewed for familiarization with this safety markings and instructions before operation Before Cleaning Disconnect the product from operating power before cleaning Wa...

Page 5: ... Hardware xviii Support xix Accessories Supplied and Available xix Accessories Supplied xix Accessories Available xix 1 Performance Tests Introduction 1 2 Operational Verification 1 2 Complete Performance Tests 1 3 Optional HP IB Verification 1 3 Recommended Calibration Cycle 1 3 Test Record 1 3 Equipment Required 1 4 HP 53131A 132A 181A Operational Verification 1 5 Power On Self Tests 1 5 Run Sel...

Page 6: ...32A Complete Performance Tests 1 16 Test 1 Time Interval HP 53131A 132A Only 1 17 Equipment 1 17 Counter Setup 1 17 Procedure 1 18 Test 2 Trigger Level HP 53131A 132A Only 1 19 Equipment 1 19 Counter Setup 1 19 Procedure 1 20 Test 3 Channels 1 and 2 Frequency Sensitivity HP 53131A 132A Only 1 22 Equipment 1 22 Counter Setup 1 22 100 kHz to 100 MHz Sensitivity for HP 53131A 132A 1 23 100 MHz to 200...

Page 7: ...ly 1 32 200 MHz to 5 0 GHz Sensitivity for HP 53131A 132A Option 050 only 1 33 200 MHz to 12 4 GHz Sensitivity for HP 53131A 132A Option 124 only 1 34 Test 6 Option 030 050 124 Channel 3 Frequency Accuracy HP 53131A 132A Only 1 35 Equipment 1 35 Counter Setup 1 35 Procedure 1 35 Test 7 Peak Volts Channels 1 and 2 HP 53131A 132A Only 1 37 Equipment 1 37 Counter Setup 1 37 Volt Peak 1 1 38 Volt Peak...

Page 8: ...ncy Accuracy HP 53181A Only 1 55 Equipment 1 55 Counter Setup 1 55 Procedure 1 56 Test 4 Option 015 030 050 124 Channel 2 Frequency Sensitivity 1 58 Equipment 1 58 Counter Setup 1 58 100 MHz to 1 5 GHz Sensitivity for Option 015 Only 1 59 100 MHz to 2 7 GHz Sensitivity for Option 030 Only 1 60 2 8 to 3 0 GHz Sensitivity for Option 030 Only 1 61 200 MHz to 5 0 GHz Sensitivity for Option 050 only 1 ...

Page 9: ...Repair Information 2 3 To Pack in the Original Packaging Materials 2 4 To Pack in the Commercially Available Materials 2 5 About the HP 53131A 132A Calibration Menu 2 6 Overview of the HP 53131A 132A Calibration Menu 2 6 The HP 53131A 132A Calibration Menu Tree 2 8 To View the Calibration Menu and Security Status 2 9 To Unsecure for Calibration 2 9 To Initiate the Calibration Routines 2 9 To Secur...

Page 10: ...the Calibration Menu and Security Status 2 28 To Unsecure for Calibration 2 28 To Initiate the Calibration Routines 2 29 To Secure Against Calibration 2 29 To Change to New the Security Code 2 30 To View the Calibration Count 2 30 To Get Help with the Calibration Menu 2 30 The HP 53181A Calibration Procedures 2 31 First Determine the Counter Firmware Revision 2 31 To Calibrate the Offset for Chann...

Page 11: ... 2 49 To Run the Test All Self Test 2 49 To Run the Individual Self Tests 2 50 3 Replacing Assemblies Introduction 3 2 Tools Required 3 3 Do This First 3 3 To Remove the Cover 3 4 To Remove the Front Bezel 3 6 To Remove A1 Motherboard Assembly 3 9 To Remove the A2 Display Board Keypads and Window 3 11 To Remove A3 1 5 3 0 5 0 12 4 GHz Channel Assembly Option 015 030 050 124 3 13 To Remove A4 AC Po...

Page 12: ...e 4 5 To Retrofit A6 High Stability Timebase Assembly Options 001 010 and 012 4 11 Option 001 Medium Stability Timebase Assembly Parts 4 11 Option 010 High Stability Timebase Assembly Parts 4 11 Option 012 Ultra High Stability Timebase Assembly Parts 4 11 Procedure 4 12 To Retrofit the Rear Terminals Option 060 4 14 Option 060 Rear Terminals Parts 4 14 5 Replaceable Parts Introduction 5 2 Exchange...

Page 13: ...16 7 HP 53131A 132A Specifications Introduction 7 2 Instrument Inputs 7 2 Time Base 7 4 Measurement Specifications 7 5 Measurement Definitions 7 12 Measurement Arming and Processing 7 14 General Information 7 16 8 HP 53181A Specifications Introduction 8 2 Instrument Inputs 8 2 Time Base 8 4 Measurement Specifications 8 5 Measurement Definitions 8 9 Measurement Arming and Processing 8 10 General In...

Page 14: ...Contents xii Assembly Level Service Guide ...

Page 15: ...Performance Calibration Service When your Counter is repaired it will be returned via overnight shipment at no extra charge If you decide to service the Counter yourself use the troubleshooting procedures in Chapter 2 Service and the disassembly and reassembly procedures in Chapter 3 Replacing Assemblies Then use the calibration instructions in Chapter 2 to calibrate the Counter for peak performan...

Page 16: ... consists of a table of contents preface eight chapters and an index The page running headers identify the chapters and sections of this manual The chapter contents are summarized as follows Chapter 1 Performance Tests provides procedures that verify the Counter operates properly and meets the HP 53131A 132A or HP 53181A specifications given in Chapter 7 HP 53131A 132A Specifications or Chapter 8 ...

Page 17: ...s for the HP 53131A 132A Universal Counter Chapter 8 HP 53181A Specifications lists all the specifications and operating characteristics for the HP 53181A Frequency Counter How to Order Guides The part number for this guide is listed in the Certification and Warranty page located on the back of the title page and on the rear cover of this guide Preface will always follow table of contents Page num...

Page 18: ... with exceptional resolution and is ideal for ATE systems operation The HP 53131A 132A basic measurement functions include Frequency Period Pulse Width Duty Cycle Rise Fall Time Time Interval Frequency Ratio Totalize Phase and Peak Voltage The HP 53181A is a frequency counter capable of measuring frequencies to 225 MHz on Channel 1 Depending on which optional Channel 2 the counter contains this ca...

Page 19: ...y or medium stability oven oscillators for high accuracy needs external gating statistics automatic limit testing SCPI programming capability and analog display mode limit testing Programmable control is performed via an HP IB The HP IB and a talk only RS 232C serial port are standard for the HP 53131A 132A 181A The serial port is for printing measured and analyzed data on serial printers or for o...

Page 20: ...n Timebase Option 001 DC Power Input Option 002 High Stability Oven Timebase Option 010 Ultra High Stability Oven Timebase Option 012 HP 53132A and HP 53181A Only 1 5 GHz RF Input Channel Channel 2 Option 015 HP 53181A Only 3 0 GHz RF Input Channel Channel 3 Option 030 5 0 GHz RF Input Channel Channel 3 Option 050 12 4 GHz RF Input Channel Channel 3 Option 124 Rear Terminals Option 060 Rack Mount ...

Page 21: ...Repair Option W50 5 year Return to HP for Calibration Option W52 Accessories Supplied and Available Accessories Supplied Power cord 2 3 meters Accessories Available HP 34161A Accessory Pouch Printer RS 232 Interface cables HP 24542G or HP 24542H HP IB cables HP 10833A B C D ...

Page 22: ...Preface xx Assembly Level Service Guide ...

Page 23: ...1 Performance Tests Verifying Specifications ...

Page 24: ...nal verification is an abbreviated series of checks that may be performed to give a high degree of confidence that the instrument is operating properly without performing the complete performance tests An operational verification is useful for incoming inspection routine maintenance and after instrument repair Introduction page 1 2 Equipment Required page 1 4 HP 53131A 132A 181A Operational Verifi...

Page 25: ...nterface is working properly The HP IB program is available on disks as indicated in the following listing For HP 53131A 132A Counters HP part number 53131 13501 3 1 2 inch LIF disk and HP part number 53131 13502 5 1 4 inch LIF disk For HP 53181A Counters HP part number 53181 13501 3 1 2 inch LIF disk and HP part number 53131 13502 5 1 4 inch LIF disk Recommended Calibration Cycle The Counter requ...

Page 26: ...Absolute accuracy 1 x 10 10 HP 5071A C DC Power Supply Adjustable to 5 000V HP 6234A C Digital Voltmeter Microvolt accuracy HP 3458A OV C Time Interval Calibrator Effective edge repeatability 10 ps HP 59992A J06 C Type N to BNC Connector HP 1250 0780 OV P BNC to Dual Banana Plug BNC m to banana plug HP 11001 60001 OV P C T 50Ω Feedthrough 3 HP 10100C OV P C 50Ω Coaxial Cable with BNC connectors 5 ...

Page 27: ...xperience is necessary The procedures should be followed in the order in which they appear Power On Self Tests 1 Inspect the Counter for any damage 2 Make sure no cables are connected to the input channels rear and front panels of the Counter NOTE It is normal for the fan in the Counter to continue to run after the Counter is placed in Standby mode Power to the timebase is continuous to maintain l...

Page 28: ...f a signal applied to CHANNEL 1 input as indicated by illumination of the Freq and Ch1 annunciators If a fail message is displayed refer to the troubleshooting section in Chapter 2 Service of this guide 6 For HP 53131A 132A mark Pass or Fail in the HP 53131A 132A Performance Test Record on page 1 41 Test 1 6 For HP 53181A mark Pass or Fail in the HP 53181A Performance Test Record on page 1 71 Test...

Page 29: ...e 1 41 Test 2 9 For HP 53181A mark Pass or Fail in the HP 53181A Performance Test Record on page 1 71 Test 2 NOTE The remaining steps apply to the HP 53131A and HP 53132A only since the HP 53181A does not have a standard Channel 2 input For the HP 53181A proceed to the following Run Self Test section 10 Press Freq Ratio key until FREQUENCY 2 is displayed to select Channel 2 for frequency measureme...

Page 30: ...he troubleshooting section in Chapter 2 Service of this guide 5 For HP 53131A 132A mark Pass or Fail in the HP 53131A 132A Performance Test Record on page 1 41 Test 4 5 For HP 53181A mark Pass or Fail in the HP 53181A Performance Test Record on page 1 71 Test 3 Termination Check 1 Cycle the POWER key to preset the Counter 2 Connect a digital voltmeter DVM to CHANNEL 1 as shown in Figure 1 2 and se...

Page 31: ... Performance Test Record on page 1 71 Test 4a 7 Press Channel 1 50Ω 1MΩ key The LED turns off indicating a 1 MΩ input impedance for Channel 1 8 Verify the DVM reads approximately 1 0000000 MOHM 9 For HP 53131A 132A mark Pass or Fail in the HP 53131A 132A Performance Test Record on page 1 41 Test 5b 9 For HP 53181A mark Pass or Fail in the HP 53181A Performance Test Record on page 1 71 Test 4b 10 R...

Page 32: ...P 8663A Synthesized Signal Generator HP 8130A Pulse Generator or equivalent HP 10100C 50Ω Feedthrough HP 10503A BNC Cables 2 HP 1250 0780 N to BNC Connector Counter Setup 1 Cycle the POWER key to preset the Counter 2 Set the Counter as follows Other Meas TOTALIZE 1 Gate ExtArm GATE EXTERNL ENTER 3 Set CHANNEL 1 input conditions to Trigger Sensitivity AUTO TRG ON Trigger Sensitivity LEVEL 50 PCT 50...

Page 33: ...the following PERIOD 20 µs WIDTH 5 µs High 3 00 V Low 0 8 V Trailing Leading 1 0 ns Input Mode TRIG 2 Connect the equipment as shown in Figure 1 3 Figure 1 3 External Arm Test Setup HP 53131A 132A Only HP 8130A Pulse Generator Counter HP 8663A Synthesized Signal Generator N to BNC Connector Output Channel 1 50Ω Feedthrough Ext Arm rear panel Output ...

Page 34: ...mance Test Record on page 1 41 Test 7 7 Disconnect the test setup External Timebase Tests These tests verify the External Timebase 1 5 10 MHz specifications of the HP 53131A and HP 53181A Counters by checking that TIMEBASE AUTO allows the Counter to be synchronized to the external reference Note that the HP 53132A only operates with the 10 MHz external timebase therefore perform the procedure in t...

Page 35: ...onnected to the rear panel Ref In input of the Counter via a 50Ω feedthrough to output a 1 MHz 200 mV rms sine wave signal 4 Set Synthesizer 2 i e the HP 3325B connected to Channel 1 to output a 2 MHz 100 mV rms square wave signal Verify the Counter displays a reading of approximately 2 MHz and the ExtRef annunciator is lit 5 For HP 53131A mark Pass or Fail in the HP 53131A 132A Performance Test R...

Page 36: ...131A 132A Performance Test Record on page 1 41 Test 8b 3 For HP 53181A mark Pass or Fail in the HP 53181A Performance Test Record on page 1 71 Test 5b 10 MHz External Timebase Input HP 53131A and HP 53181A Only 1 Change the frequency of Synthesizer 1 which is connected to the Counter s rear panel Ref In input to 10 MHz 2 On the Counter press Run key Verify the Counter displays a reading of approxi...

Page 37: ...f In input of the Counter via a 50Ω feedthrough to output a 10 MHz 200 mV rms sine wave signal 3 Set Synthesizer 2 i e the HP 3325B that is connected to Channel 1 to output a 2 MHz 100 mV rms square wave signal Verify the Counter displays a reading of approximately 2 MHz and the ExtRef annunciator is lit 4 Mark Pass or Fail in the HP 53131A 132A Performance Test Record on page 1 41 Test 8d 5 Disco...

Page 38: ...inutes Table 1 2 The HP 53131A 132A Performance Tests Page Number Test Description Other Counter measurement functions e g Period are mathematically derived by the microprocessor from the parameters verified by these performance tests If the Counter passes the performance tests the other measurement functions are functioning to specifications page 1 17 Test 1 Time Interval HP 53131A 132A Only page...

Page 39: ...unter Setup 1 Cycle the POWER key to preset the Counter 2 Press Time Period key until TI 1 TO 2 is displayed 3 Set CHANNEL 1 input conditions to Trigger Sensitivity AUTO TRG OFF Trigger Sensitivity LEVEL 500V Enter Trigger Sensitivity COMMON 1 ON 50Ω 1MΩ 50Ω DC AC DC X10 Attenuate Off 100kHz Filter Off 4 Set CHANNEL 2 input conditions to Trigger Sensitivity AUTO TRG OFF Trigger Sensitivity LEVEL 5...

Page 40: ...Generator to the following PERIOD 10 µs WIDTH 150 ns High 1 00 V Low 0 00 V Input Mode Normal 3 On the Counter Press Single Stop key The HP 53131A Counter should display 0 1500 µs 0 0040 µs The HP 53132A Counter should display 0 1500 µs 0 0025 µs 4 Record this value in the appropriate place in the Performance Test Record Test 1 Line 1 for HP 53131A or Test 1 Line 2 for HP 53132A 5 Disconnect the t...

Page 41: ...Counters Equipment HP 3325B Synthesizer HP 10503A BNC Cable Counter Setup 1 Cycle the POWER key to preset the Counter 2 Set CHANNEL 1 input conditions to Trigger Sensitivity AUTO TRG OFF Trigger Sensitivity LEVEL 0 000V 50Ω 1MΩ 50Ω DC AC DC X10 Attenuate Off 100kHz Filter Off 3 Set CHANNEL 2 input conditions to Trigger Sensitivity AUTO TRG OFF Trigger Sensitivity LEVEL 0 000V 50Ω 1MΩ 50Ω DC AC DC ...

Page 42: ...Run key 5 Now increment the dc offset on the HP 3325B by 1 mV until the Counter s Gate annunciator flashes and continue incrementing until the Counter displays a stable reading of approximately 1 MHz Observe the offset value on the display of the HP 3325B Record the dc offset value__________ mV 6 Add the upper peak voltage 40 mV of the 80 mV p p signal to the offset value in step 5 For example 24 ...

Page 43: ...the HP 3325B Record the value__________ mV 11 Add the lower peak voltage 40mV of the 80 mVp p signal to the offset value in step 10 for example 21 mV 40 mV 19 mv This result is the lower hysteresis level Record the lower hysteresis level __________ mV 12 Now add the upper hysteresis value recorded in step 6 and lower hysteresis value recorded in step 11 This is the trigger level it should be 0 0 V...

Page 44: ...quipment HP 8663A Synthesized Signal Generator HP 1250 0780 Type N to BNC Connector HP 10100C 50Ω Feedthrough HP 10503A BNC Cables 2 Counter Setup 1 Cycle the POWER key to preset the Counter 2 Set CHANNEL 1 input conditions to Trigger Sensitivity AUTO TRG OFF Trigger Sensitivity LEVEL 0 000 V 50Ω 1MΩ 50Ω DC AC DC X10 Attenuate Off 100kHz Filter Off 3 Set CHANNEL 2 input conditions to Trigger Sensi...

Page 45: ... this test make sure you always use the unit HP 53131A 132A or HP 8663A that contains the better 10 MHz timebase as the output source as shown in Figure 1 7 Figure 1 7 Channels 1 and 2 Frequency Sensitivity Test Setup HP 53131A 132A Counter HP 8663A Synthesized Signal Generator N to BNC Connector Output Channel 1 50Ω Feedthrough Ref In rear panel 50Ω Feedthrough 10 MHz Output rear panel Output rea...

Page 46: ... to 100 kHz The Counter should read frequencies from 100 MHz to 100 kHz at an input power level of 21 0 dBm 20 mVrms Counters with Option 060 should read frequencies from 225 MHz to 100 kHz at 9 5 dBm 75 mVrms 6 Record the actual reading in the appropriate place in the Performance Test Record Test 3 Line 1 If you are testing a Counter with front panel terminals Standard record the reading on Line ...

Page 47: ...the sensitivity portion of the Frequency Performance Test Go to the Frequency Accuracy Test on page 1 27 100 MHz to 200 MHz Sensitivity for HP 53131A 132A 1 Leave the signal generator connected to Channel 2 Change the signal generator settings to 200 MHz at 30 dBm 2 On the Counter press Run key 3 Increase the power level by 0 1 dB steps until the Counter displays a stable 200 MHz reading The Count...

Page 48: ...level by 0 1 dB steps until the Counter displays a stable reading of 225 MHz The Counter should read 225 MHz when the input signal level is 15 0 dBm 40 mVrms 4 Sweep the signal generator frequency from 225 MHz to 200 MHz The Counter should read frequencies from 225 MHz to 200 MHz when the input signal level is 15 0 dBm 40 mVrms 5 Record the actual reading in the Performance Test Record Test 3 Line...

Page 49: ...gnal Generator HP 1250 0780 Type N to BNC Connector HP 10100C 50Ω Feedthrough HP 10503A BNC Cables 2 Counter Setup 1 Cycle the POWER key to preset the Counter 2 Using the Gate ExtArm key set the gate time to TIME 1 000 s 3 Set CHANNEL 1 input conditions to Trigger Sensitivity AUTO TRG OFF Trigger Sensitivity LEVEL 0 000 V 50Ω 1MΩ 50Ω DC AC DC X10 Attenuate Off 100kHz Filter Off 4 Set CHANNEL 2 inp...

Page 50: ...cy Test Setup 2 Set the Signal Generator to output 1 MHz at 7 dBm 3 On the Counter press Run key Verify the HP 53131A Counter reads 1 MHz 1 mHz Verify the HP 53132A Counter reads 1 MHz 200 µHz 4 Record the actual reading in the appropriate place in the Performance Test Record Test 4 Line 1 for HP 53131A or Test 4 Line 3 for HP 53132A HP 53131A 132A Counter HP 8663A Synthesized Signal Generator N t...

Page 51: ...2A Counter reads 200 MHz 30 mHz 8 Record the actual reading in the appropriate place in Performance Test Record Test 4 Line 9 for HP 53131A or Test 4 Line 11 for HP 53132A 9 Change the signal generator frequency to 225 MHz Verify the HP 53131A Counter reads 225 MHz 150 mHz Verify the HP 53132A Counter reads 225 MHz 35 mHz 10 Record the actual reading in the appropriate place in the Performance Tes...

Page 52: ...nd 5 GHz Channel 3 Option 030 050 124 for the HP 53131A and the HP 53132A Universal Counters Equipment HP 8663A Synthesized Signal Generator not needed for Option 050 HP 8340B Sweep Oscillator HP 1250 0780 Type N to BNC Connector not needed for Option 050 HP 10503A BNC Cable 2 HP 10100C 50Ω Feedthrough HP 11500D N N Cable Option 050 only HP 1250 1250 N M to SMA F HP 1250 0777 N F to N F Counter Se...

Page 53: ...rator to output a 2500 MHz 40 dBm sine wave and connect the signal to Channel 3 of the Counter as shown in Figure 1 9 Figure 1 9 Option 030 050 124 Channel 3 Frequency Sensitivity and Accuracy Test Setup 2 On the Counter Press Run key HP 53131A 132A Counter HP 8663A Synthesized Signal Generator N to BNC Connector Output Channel 3 50Ω Feedthrough Ref In rear panel Input rear panel HP 8340B Sweep Os...

Page 54: ...formance Test Record Test 5 Line 1 2 7 to 3 0 GHz Sensitivity for Option 030 only 1 Disconnect the HP 8663A Synthesized Signal Generator from the Counter see Figure 1 9 and connect the HP 8340B Sweep Oscillator to Channel 3 of the Counter 2 Change the settings of the Sweep Oscillator to 3 0 GHz 40 dBm 3 Increase the power level in 1 dB steps until the Counter displays a stable reading of approxima...

Page 55: ...of the Sweep Oscillator to 5 0 GHz 40 dBm 3 Increase the power level in 1 dB steps until the Counter displays a stable reading of approximately 5 0 GHz The Counter should display 5 0 GHz at 23 dBm NOTE Use a power meter and sensor to ensure the accuracy of the power being input 4 Sweep the frequencies from 200 MHz to 5 0 GHz The Counter should read frequencies from 200 MHz to 5 0 GHz at 3 dBm 5 Re...

Page 56: ... the Sweep Oscillator to 12 4 GHz 40 dBm 3 Increase the power level in 1 dB steps until the Counter displays a stable reading of approximately 12 4 GHz The Counter should display 12 4 GHz at 23 dBm NOTE Use a power meter and sensor to ensure the accuracy of the power being input 4 Sweep the frequencies from 200 MHz to 12 4 GHz The Counter should read frequencies from 200 MHz to 12 4 GHz at 3 dBm 5...

Page 57: ... 030 only HP 8340B Sweep Oscillator HP 1250 0780 Type N to BNC Connector Option 030 only HP 10503A BNC Cable 2 HP 10100C 50Ω Feedthrough HP 11500D N N Cable Option 050 only HP 1250 1250 N M to SMA F HP 1250 0777 N F to N F Counter Setup 1 Cycle the POWER key to preset the Counter 2 Set the Counter as follows Freq Ratio FREQUENCY 3 Gate ExtArm TIME TIME 1 000 s Procedure 1 Connect equipment as show...

Page 58: ...rify the HP 53131A Counter reads 3 0 GHz 2 Hz Verify the HP 53132A Counter reads 3 0 GHz 0 4 Hz 7 Record the actual reading in the Performance Test Record Test 6 Line 3 for HP 53131A or Test 6 Line 4 for HP 53132A 8 Set the HP 8340B to output 5 0 GHz at 17 dBm Verify the HP 53131A Counter reads 5 0 GHz 3 Hz Verify the HP 53132A Counter reads 5 0 GHz 0 7 Hz 9 Record the actual reading in the Perfor...

Page 59: ... accuracy specification of the HP 53131A and HP 53132A Universal Counters Equipment HP 3325B Synthesizer HP 10100C 50Ω Feedthrough HP 10503A BNC Cable Counter Setup 1 Cycle the POWER key to preset the Counter 2 Press Other Meas key until VOLT PEAKS 1 is displayed 3 Set CHANNEL 1 input to 50Ω 1MΩ 50Ω X10 Attenuate Off 100kHz Filter Off 4 Set CHANNEL 2 input to 50Ω 1MΩ 50Ω X10 Attenuate Off 100kHz F...

Page 60: ... should display 1 00 0 12V for the negative peak of the sine wave This reading is displayed on the left side of the display Record the actual reading in the Performance Test Record Test 7 Line 1a Also the Counter should display 1 00 0 12V for the positive peak of the sine wave This reading is displayed on the right side of the display Record the actual reading in the Performance Test Record Test 7...

Page 61: ...isplayed The Counter should display 1 00 0 12V for the negative peak of the sine wave This reading is displayed on the left side of the display Record the actual reading in the Performance Test Record Test 7 Line 2a Also the Counter should display 1 00 0 12V for the positive peak of the sine wave This reading is displayed on the right side of the display Record the actual reading in the Performanc...

Page 62: ...he Counter fails the verification program refer to the troubleshooting section in Chapter 2 Service of this guide The HP IB Verification program may be loaded into the HP 9000 series 200 or 300 Desktop Computer from the 3 1 2 inch disk HP P N 53131 13501 or the 5 1 4 inch disk HP P N 53131 13502 1 To run the program on the disk insert the disk into the Desktop Computer load the program by typing L...

Page 63: ...____________ Notes _________________________________________________________________________ Test Number Operational Verification Test Results Pass Fail 1 Power on Self Test q q 2 Channel 1 10 MHz Test q q 3 Channel 2 10 MHz Test q q 4 Run Self Test q q 5a Termination Check Ch 1 50Ω q q 5b Termination Check Ch 1 1MΩ q q 6a Termination Check Ch 2 50Ω q q 6b Termination Check Ch 2 1MΩ q q 7 External...

Page 64: ...____ 2 __________ 15 mV 15 mV Test 3 Channels 1 and 2 Frequency Sensitivity HP 53131A 132A Only Standard Front Panel Terminals Actual Reading Specification 100 kHz 100 MHz Channel 1 100 kHz 100 MHz Channel 2 1 __________ 2 __________ 21 dBm 20 mVrms 21 dBm 20 mVrms 100 MHz 200 MHz Channel 2 100 MHz 200 MHz Channel 1 3 __________ 4 __________ 17 5 dBm 30 mVrms 17 5 dBm 30 mVrms 200 MHz 225 MHz Chan...

Page 65: ...31A Channel 1 Channel 2 1 MHz Test HP 53132A Channel 1 Channel 2 999 999 999 Hz 999 999 999 Hz 999 999 9998 Hz 999 999 9998 Hz 1 __________ 2 __________ 3 __________ 4 __________ 1 000 000 001 Hz 1 000 000 001 Hz 1 000 000 0002 Hz 1 000 000 0002 Hz 4 100 MHz Test HP 53131A Channel 1 Channel 2 100 MHz Test HP 53132A Channel 1 Channel 2 99 999 999 93 MHz 99 999 999 93 MHz 99 999 999 980 MHz 99 999 9...

Page 66: ...__________ 200 000 000 13 MHz 200 000 000 13 MHz 200 000 000 03 MHz 200 000 000 03 MHz 4 225 MHz Test HP 53131A Channel 1 Channel 2 225 MHz Test HP 53132A Channel 1 Channel 2 224 999 999 85 MHz 224 999 999 85 MHz 224 999 999 965 MHz 224 999 999 965 MHz 13 __________ 14 __________ 15 __________ 16 __________ 225 000 000 15 MHz 225 000 000 15 MHz 225 000 000 035 MHz 225 000 000 035 MHz Test 5 Option...

Page 67: ...A Only 100 MHz Test HP 53131A Channel 3 100 MHz Test HP 53132A Channel 3 99 999 999 93 MHz 99 999 999 980 MHz 1 __________ 2 __________ 100 000 000 07 MHz 100 000 000 020 MHz 6 3 0 GHz Test HP 53131A Channel 3 3 0 GHz Test HP 53132A Channel 3 2 999 999 998 MHz 2 999 999 999 60 MHz 3 __________ 4 __________ 3 000 000 002 MHz 3 000 000 000 4 MHz 6 5 0 GHz Test HP 53131A Channel 3 5 0 GHz Test HP 531...

Page 68: ...399 999 998 MHz 7 __________ 8 __________ 12 400 000 008 MHz 12 400 000 002 MHz 6 12 4 GHz Test HP 53131A Channel 3 12 4 GHz Test HP 53132A Channel 3 12 399 999 982 0 MHz 12 399 999 992 0 MHz 7 __________ 8 __________ 12 400 000 018 MHz 12 400 000 008 0 MHz 7 Peak Volts Channels 1 and 2 HP 53131A 132A Only Volt Peak 1 Channel 1 Volt Peak 2 Channel 2 1 12 V 0 88 V 1 12 V 0 88 V 1 a ___________ b __...

Page 69: ...apter NOTE To perform valid testing of the specifications warm up the Counter and test equipment for 30 minutes Table 1 3 The HP 53181A Performance Tests Page Number Test Description Other Counter measurement functions e g Period are mathematically derived by the microprocessor from the parameters verified by these performance tests page 1 48 Test 1 Trigger Level HP 53181A Only page 1 51 Test 2 Ch...

Page 70: ...test verifies the Trigger Level accuracy of the HP 53181A Frequency Counter Equipment HP 3325B Synthesizer HP 10503A BNC Cable Counter Setup 1 Cycle the POWER key to preset the Counter 2 Set CHANNEL 1 input condition to Trigger Sensitivity AUTO TRG OFF Trigger Sensitivity LEVEL 0 000V 50Ω 1MΩ 50Ω DC AC DC X10 Attenuate Off 100kHz Filter Off ...

Page 71: ...e Counter press Run key 5 Now increment the dc offset on the HP 3325B by 1 mV until the Counter s Gate annunciator flashes and continue incrementing until the Counter displays approximately 1 MHz Observe the offset value on the display of the HP 3325B Record the dc offset value__________ mV 6 Add the upper peak voltage 40 mV of the 80 mV p p signal to the offset value in step 5 For example 24 mV 4...

Page 72: ...til the Counter displays approximately 1 MHz Observe the offset value on the display of the HP 3325B Record the value__________ mV 11 Add the lower peak voltage 40mV of the 80 mVp p signal to the offset value in step 10 for example 21 mV 40 mV 19 mV This result is the lower hysteresis level Record the lower hysteresis level __________ mV 12 Now add the upper hysteresis value recorded in step 6 and...

Page 73: ...ensitivity specifications of the HP 53181A Frequency Counter Equipment HP 8663A Synthesized Signal Generator HP 1250 0780 Type N to BNC Connector HP 10100C 50Ω Feedthrough HP 10503A BNC Cables 2 Counter Setup 1 Cycle the POWER key to preset the Counter 2 Set CHANNEL 1 input conditions to Trigger Sensitivity AUTO TRG OFF Trigger Sensitivity LEVEL 0 000 V 50Ω 1MΩ 50Ω DC AC DC X10 Attenuate Off 100kH...

Page 74: ...erator to output a 100 kHz 35 0 dBm sine wave signal 20 0 dBm for Option 060 to the Counter s Channel 1 input 3 In 0 1 dB steps increase the power level until the Counter displays a stable reading of 100 kHz The Counter should display 100 kHz when the signal generator level is 21 0 dBm 20 mVrms Counters with Option 060 Rear Terminals should display 100 kHz when the signal generator level is 9 5 dB...

Page 75: ...Test 2 Line 1 If you are testing a Counter with front panel terminals Standard record the reading on Line 1 of the Standard portion of the test record If you are testing a Counter with rear terminals Option 060 record the reading on Line 1 of the Option 060 portion of the test record NOTE DO NOT test the front terminals if rear terminals are installed The front terminal performance is not specifie...

Page 76: ...from 100 MHz to 200 MHz when the input signal level is 17 5 dBm 30 mVrms 4 Record the actual reading in the Performance Test Record Test 2 Line 2 200 MHz to 225 MHz Sensitivity for HP 53181A 1 Change the signal generator settings to 200 MHz at 30 dBm 2 Increase the power level by 0 1 dB steps until the Counter displays a stable 200 MHz reading The Counter should read 200 MHz when the input signal ...

Page 77: ...equency Counter Equipment HP 8663A Synthesized Signal Generator HP 8340B Sweep Oscillator HP 1250 0780 Type N to BNC Connector HP 10100C 50Ω Feedthrough HP 10503A BNC Cables 2 Counter Setup 1 Cycle the POWER key to preset the Counter 2 Using the Gate ExtArm key set gate time to TIME 1 000 s 3 Set CHANNEL 1 input conditions to Trigger Sensitivity AUTO TRG OFF Trigger Sensitivity LEVEL 0 000 V 50Ω 1...

Page 78: ...nnel 1 of the Counter Figure 1 13 Channels 1 Frequency Accuracy Test Setup 2 Set the HP 8663A Signal Generator to output 1 MHz at 7 dBm 3 On the Counter press Run key Verify the Counter reads 1 MHz 1 mHz HP 53181A Counter Channel 1 50Ω Feedthrough Ref In rear panel HP 8663A Synthesized Signal Generator N to BNC Connector Output Input rear panel HP 8340B Sweep Oscillator Frequency Standard switch s...

Page 79: ...er reads 100 MHz 70 mHz 6 Record the actual reading in the Performance Test Record Test 3 Line 2 7 Change the signal generator frequency to 200 MHz Verify the Counter reads 200 MHz 130 mHz 8 Record the actual reading in the Performance Test Record Test 3 Line 3 9 Change the signal generator frequency to 225 MHz Verify the Counter reads 225 MHz 150 mHz 10 Record the actual reading in the Performanc...

Page 80: ...nal 1 5 GHz Option 015 3 GHz Option 030 5 0 GHz Option 050 or 12 4 GHz Option 124 Channel 2 for the HP 53181A Frequency Counter Equipment HP 8663A Synthesized Signal Generator Not needed for Option 050 124 HP 8340B Sweep Oscillator HP 1250 0780 Type N to BNC Connector Not needed for Option 050 124 HP 10503A BNC Cable 2 HP 10100C 50Ω Feedthrough Counter Setup 1 Cycle the POWER key to preset the Cou...

Page 81: ...nerator to output a 500 MHz 60 dBm sine wave and connect the signal to Channel 2 of the Counter as shown in Figure 1 14 Figure 1 14 Option 015 030 050 Channel 2 Frequency Test 2 On the Counter Press Run key HP 53181A Counter Channel 2 50Ω Feedthrough Ref In rear panel HP 8663A Synthesized Signal Generator N to BNC Connector Output Input rear panel HP 8340B Sweep Oscillator Frequency Standard switc...

Page 82: ... the Performance Test Record Test 4 Line 1 100 MHz to 2 7 GHz Sensitivity for Option 030 Only 1 Set the HP 8663B Synthesized Signal Generator to output a 500 MHz 60 dBm sine wave and connect the signal to Channel 3 of the Counter as shown in Figure 1 14 2 On the Counter Press Run key 3 Increase the power level in 1 dB steps until the Counter reads 500 MHz The Counter should display 500 MHz at 27 0...

Page 83: ...Counter should read frequencies from 3 0 to 2 8 GHz at 21 0 dBm 5 Record the actual reading in the Performance Test Record Test 4 Line 3 6 Disconnect the test setup 200 MHz to 5 0 GHz Sensitivity for Option 050 only 1 Connect the 8340B Sweep Oscillator to Channel 2 of the counter 2 Change the settings of the Sweep Oscillator to 5 0 GHz 30 dBm 3 Increase the power level in 1 dB steps until the Coun...

Page 84: ...lator to 12 4 GHz 30 dBm 3 Increase the power level in 1 dB steps until the Counter displays a stable reading of approximately 12 4 GHz The Counter should display 12 4 GHz at 23 dBm NOTE Use a power meter and sensor to ensure the accuracy of the power being input 4 Sweep the frequencies from 200 MHz to 12 4 GHz The Counter should read frequencies from 200 MHz to 12 4 GHz at 23 dBm 5 Record the act...

Page 85: ...racy Test starts on page 1 63 Option 030 Channel 2 Frequency Accuracy Test starts on page 1 65 Option 050 Channel 2 Frequency Accuracy Test starts on page 1 65 Option 124 Channel 2 Frequency Accuracy Test starts on page 1 67 100 MHz to 1 5 GHz Accuracy Test for Option 015 Equipment HP 8663A Synthesized Signal Generator HP 8340B Sweep Oscillator HP 1250 0780 Type N to BNC Connector HP 10503A BNC Ca...

Page 86: ... 1 15 Option 015 030 050 124 Channel 2 Frequency Accuracy Test Setup 2 Set the HP 8663A Synthesized Signal Generator to output 100 MHz at 17 0 dBm Verify the Counter reads 100 MHz 70 mHz HP 53181A Counter Channel 2 50Ω Feedthrough Ref In rear panel HP 8663A Synthesized Signal Generator N to BNC Connector Output Input rear panel HP 8340B Sweep Oscillator Frequency Standard switch set to EXT Output ...

Page 87: ...rmance Test Test 5 Line 2 6 Disconnect the test setup Minimum to Maximum Accuracy Test for Options 030 050 124 Equipment HP 8663A Synthesized Signal Generator not needed for Option 050 HP 8340B Sweep Oscillator HP 1250 0780 Type N to BNC Connector not needed for Option 050 HP 10503A BNC Cable 2 HP 10100C 50Ω Feedthrough HP 11500D N N Cable Option 050 only HP 1250 1250 N M to SMA F HP 1250 0777 N F...

Page 88: ...tput 200 MHz at 17 0 dBm 3 On the Counter press Run key Verify the HP 53181A Counter reads 100 MHz 70 mHz 4 Record the actual reading in the Performance Test Record Test 5 Line 3 5 Disconnect the HP 8663A output from Channel 2 of the Counter and connect the HP 8340B Sweep Oscillator output to Channel 2 of the Counter as shown in Figure 1 15 6 Set the HP 8340B to output 3 0 GHz at 17 0 dBm Verify t...

Page 89: ... 8340B to output 5 0 GHz at 17 dBm Verify the HP 53181A Counter reads 5 0 GHz 3 Hz 9 Record the actual reading in the Performance Test Record Test 5 Line 5 NOTE For Option 124 10 Set the HP 8340B to output 12 4 GHz at 17 dBm Verify the HP 53181A Counter reads 12 4 GHz 8 Hz 11 Record the actual reading in the Performance Test Record Test 5 Line 6 12 Disconnect the test setup ...

Page 90: ... verifies the Peak Volts accuracy specification of the HP 53181A Frequency Counter Equipment HP 3325B Synthesizer HP 10100C 50Ω Feedthrough HP 10503A BNC Cable Counter Setup 1 Cycle the POWER key to preset the Counter 2 Press Other Meas key until VOLT PEAKS 1 is displayed 3 Set CHANNEL 1 and CHANNEL 2 inputs to 50Ω 1MΩ 50Ω X10 Attenuate Off 100kHz Filter Off ...

Page 91: ... The Counter should display 1 00 0 12V for the negative peak of the sine wave This reading is displayed on the left side of the display Record the actual readings in the Performance Test Record Test 6 Line a Also the Counter should display 1 00 0 12V for the positive peak of the sine wave This reading is displayed on the right side of the display Record the actual readings in the Performance Test ...

Page 92: ...ter fails the verification program refer to the troubleshooting section in Chapter 2 Service of this guide The HP IB Verification program may be loaded into the HP 9000 series 200 or 300 Desktop Computer from the 3 1 2 inch disk HP P N 53181 13501 or the 5 1 4 inch disk HP P N 53181 13501 1 To run the program on the disk insert the disk into the Desktop Computer load the program by typing Load VER...

Page 93: ...Temperature __________________________ Date __________________________________ Relative Humidity _____________________ Notes _________________________________________________________________________ Test Number Operational Verification Test Results Pass Fail 1 Power on Self Test q q 2 Channel 1 10 MHz Test q q 3 Run Self Test q q 4a Termination Check Ch 1 50Ω q q 4b Termination Check Ch 1 1MΩ q q ...

Page 94: ... 100 kHz 100 MHz Channel 1 1 __________ 21 dBm 20 mVrms 100 MHz 200 MHz Channel 1 2 __________ 17 5 dBm 30 mVrms 200 MHz 225 MHz Channel 1 3 __________ 15 0 dBm 40 mVrms Option 060 Rear Terminals Actual Reading Specification 100 kHz 225 MHz Channel 1 1 __________ 9 5 dBm 75 mVrms Test Number Test Description Minimum Actual Reading Maximum 3 Channel 1 Frequency Accuracy HP 53181A Only 1 MHz Test 10...

Page 95: ... __________ 27 dBm 27 dBm 21 dBm 23 dBm 23 dBm Test Number Test Description Minimum Actual Reading Maximum 5 Option 015 030 Channel 2 Frequency Accuracy HP 53181A Only 100 MHz to 1 5 GHz Test for Option 015 HP 53181A Channel 2 Channel 2 99 999 999 93 MHz 1 499 999 999 MHz 1 __________ 2 __________ 100 000 000 07 MHz 1 500 000 001 MHz 5 100 MHz to 3 0 GHz Test for Option 030 HP 53181A Channel 2 Cha...

Page 96: ...ice Guide 1 HP 53181A Performance Test Record Page 4 of 4 Complete Performance Tests Test Number Test Description Minimum Actual Reading Maximum 6 Peak Volts Channel 1 HP 53181A Only Channel 1 1 12 V 0 88 V a __________ b __________ 0 88 V 1 12V HP IB Verification Optional Test Results Pass Fail q q ...

Page 97: ...2 Service ...

Page 98: ...is section contains reference information that gives a complete overview of the calibration menu of the HP 53181A The HP 53181A Calibration Procedures page 2 31 This section provides step by step procedures for calibrating the HP 53181A Pre Troubleshooting Information page 2 36 This section provides you with pertinent information such as safety considerations recommended test equipment repair and ...

Page 99: ...air Performance Calibration Service When your Counter is repaired it will be returned via overnight shipment at no extra charge 1 Write the following information on a tag Owner s name and address Instrument model number Complete serial number Description of service required or failure indications 2 Attach the tag to the instrument 3 Pack the instrument If you have the original packaging materials ...

Page 100: ...cables or other accessories attached to the instrument 2 Make sure the folded corrugated spacer which normally contains the manuals is in the box to ensure proper fitting 3 Make sure one of the polystyrene block is in its proper position in the box 4 Place the instrument front panel end first on the polystyrene block 5 Place the other polystyrene block on top of the rear end of the instrument to s...

Page 101: ...Wrap the instrument in heavy paper or plastic 2 Place the instrument in a strong shipping container A double wall carton made of 350 lb test material is adequate 3 Protect the control panel with cardboard 4 Add a layer of shock absorbing material The shock absorbing material should be 70 to 100 mm 3 to 4 inches thick around all sides of the instrument to prevent movement inside the container 5 Sea...

Page 102: ... stored in non volatile memory and do not change when power has been off or after a remote interface reset A calibration security code feature allows you to enter a security code electronic key to prevent accidental or unauthorized calibrations of the Counter The security code is set to 53131 or 53132 corresponding to the model when the Counter is shipped from the factory If you forget your securi...

Page 103: ...libration by entering the security code while the Counter is secured CODE change the security code by entering a new code while the Counter is unsecured CODE view the calibration count which indicates the number of times that the Counter has been calibrated CAL COUNT The calibration count increments up to a maximum of 32 767 after which it wraps around to 1 A calibration count of 0 indicates that ...

Page 104: ...e CAL menu item resides in the Utility menu and there is no calibration security capability See Chapter 6 Backdating in this guide for correct calibration procedures 1 This menu item appears and calibration is permitted only if calibration is unsecure Enter in the correct code to change calibration to secure 2 Timebase can be automatically calibrated only if the timebase option is installed Scale ...

Page 105: ...splayed If CAL UNSECURE is displayed then the Counter is already unsecured for calibration and the remaining steps are not applicable 2 Press Scale Offset key until CODE is displayed 3 Press the appropriate arrow keys to enter the security code 53131 for example if 53131 was the security code set at the factory 4 Press Enter key CAL UNSECURE is displayed NOTE If 53131 was NOT the correct security ...

Page 106: ...CAL TI FINE are two different ways to calibrate out the differences in electrical path length between Channel 1 and Channel 2 When you provide the calibration signal the instrument measures how the difference in path length translates to an average delay between the two channels The Quick Time Interval Calibration requires a simple input signal You provide on Channel 1 a clean square wave with a r...

Page 107: ...antage Calibration signal is simple Disadvantage One correction term for all slope and routing configurations Input signal clean square wave fast rise time approximately 10 MHz 1 volt peak to peak no dc offset oscillating about 0 0 volts driving 50Ω Timebase Any external timebase you provide is ignored during calibration Procedure From the front panel calibration menu one keypress invokes the cali...

Page 108: ... 0 50 V Input Mode Normal Timebase Any external timebase you provide is ignored during calibration Procedure From the front panel calibration menu one keypress invokes the calibration You are prompted to press buttons on the HP 59992A J06 Calibrator for each part of a four part calibration Note that CAL TI FINE requires the completion of four steps in order HP 53131A 132A Counter 1 2 3 4 In A B HP...

Page 109: ... appropriate arrow keys to enter the security code then press Enter key CAL SECURE is displayed To Change to a New Security Code 1 Press and hold Scale Offset key then cycle POWER key 2 Unsecure for calibration by the using the procedure described in the section titled To Unsecure for Calibration 3 Press Scale Offset key until CODE is displayed 4 Press the appropriate arrow keys to enter the new o...

Page 110: ...message appear indicating what the calibration count is Your Counter was calibrated before it left the factory When you receive your Counter read the calibration count to determine its initial value To Get Help with the Calibration Menu 1 Press and hold Scale Offset key then cycle POWER key 2 Press Scale Offset key until HELP CAL is displayed 3 Press any one of the arrow keys until your help choic...

Page 111: ...this section NOTE After completing the instrument calibration BE SURE to secure the calibration by performing the procedure in the section titled To Secure Against Calibration on page 2 13 of this chapter To Calibrate the Offset for Channels 1 and 2 1 To access the Calibration menu power down and press and hold the Scale Offset key then press POWER key The first item in the Calibration menu is a m...

Page 112: ...s The Counter should display CODE 53000 d Press g key once and then press d key once The Counter should display CODE 53100 e Press g key once and then press d key three times The Counter should display CODE 53130 f Press g key once and then press d key once The Counter should display CODE 53131 g Finally press Enter key CAL UNSECURE is displayed NOTE If 53131 is NOT the correct security code the C...

Page 113: ...ate Channel 2 press any one of the arrow keys until CAL OFFS 2 is displayed 8 Press Enter key A scrolling message on the display will ask you to remove any signals connected to Channel 2 Follow the instruction 9 Press Enter key The Counter momentarily displays CALIBRATING and then it should display OFFS 2 PASS If the fail message is displayed refer to the troubleshooting section in this chapter Th...

Page 114: ...er 4 Connect the Counter dc power supply and digital multimeter as shown in Figure 2 2 Figure 2 2 Gain Calibration Setup 5 Adjust the power supply until the digital multimeter displays 5 000 V 0 001 V 6 Disconnect the digital multimeter from the Counter to prevent noise from being introduced into the measurement 7 Press Enter key The Counter momentarily displays CALIBRATING and then it should disp...

Page 115: ...e previously instructed to do this in step 8 11 Press Enter key again The Counter momentarily displays CALIBRATING and then it should display GAIN 2 PASS If the fail message is displayed refer to the troubleshooting section in this chapter 12 Disconnect the calibration setup This completes the Gain Calibration procedure Proceed to the next procedure to calibrate the time interval To Calibrate Time...

Page 116: ...ng the following procedure 3 Connect the HP 8130A Pulse Generator output to Channel 1 of the Counter as shown in Figure 2 3 Equipment HP 8130A Pulse Generator or equivalent HP 10503A BNC Cable Figure 2 3 Calibration Setup for CAL TI QUIK 4 Set the HP 8130A as follows PERIOD 100 ns WIDTH 50 ns High 0 50 V Low 0 50 V Input Mode Normal NOTE Any external timebase connected to the Counter is ignored du...

Page 117: ...procedure To Calibrate the Standard Timebase page 2 23 or the To Calibrate the High Stability Timebase Option Medium High or Ultra High procedure page 2 24 to calibrate the timebase CAL TI FINE Calibration 1 Connect the HP 8130A Pulse Generator HP 59992A J06 Time Interval Calibrator and HP 53131A 123A Counter as shown in Figure 2 4 Equipment HP 8130A Pulse Generator or equivalent HP 59992A J06 Tim...

Page 118: ...ssage prompts you to press buttons on the HP 59992A J06 Calibrator for each part of a four part calibration Note that CAL TI FINE requires the completion of four steps in the proper order 5 Press Enter key after each displayed instruction The Counter should display CALIBRATING and then it should display TI CAL PASS If the fail message is displayed refer to the troubleshooting section in this chapt...

Page 119: ...llow the counter to warm up for approximately 30 minutes 3 With an insulated tuning tool turn the OSC Adjust potentiometer located on the rear chassis of the Counter until the frequency reading in the Counter display is 10 00000000 MHz 5 Hz The Counter will be calibrated to the house standard If you are not able to adjust the frequency correctly refer to the troubleshooting section in this chapter...

Page 120: ...2 Press any one of the arrow keys until CAL TIMEBAS is displayed Note that the timebase choice CAL TIMEBAS only appears when the Timebase Option is installed 3 Press Enter key and follow the instructions in the scrolling message that appears in the Counter display 4 Press Enter key after each instruction The Counter displays CALIBRATING and then it should display TB CAL PASS If the fail message is...

Page 121: ...o not change when power has been off or after a remote interface reset A calibration security code feature allows you to enter a security code electronic key to prevent accidental or unauthorized calibrations of the Counter The security code is set to 53181 when the Counter is shipped from the factory If you forget your security code you can reset the security code to the model number default by r...

Page 122: ...calibration count increments up to a maximum of 32 767 after which it wraps around to 1 A calibration count of 0 indicates that the Counter is completely uncalibrated The calibration count is unaffected by interpolator calibration get Help HELP with any of the following how to calibrate CAL how to secure SECURE and how to change the code CODE NOTE A good precaution is to use an HP IB program see t...

Page 123: ...OWER key to access this menu 3 This menu item appears and calibration is permitted only if calibration is unsecured Enter in the correct code to change calibration to secure 4 Timebase can be automatically calibrated only if the timebase option is installed Scale Offset On Stby POWER CAL SECURE CAL UNSECURE 3 CAL OFFS1 CAL GAIN1 CAL TIMEBAS CODE 0 CAL COUNT HELP CAL HELP SECURE HELP CODE 4 ...

Page 124: ...CURE To Unsecure for Calibration 1 Press and hold Scale Offset key then cycle POWER key CAL SECURE is displayed If CAL UNSECURE is displayed then the Counter is already unsecured for calibration and the remaining steps are not applicable 2 Press Scale Offset key until CODE is displayed 3 Press the appropriate arrow keys to enter the security code 53181 for example if 53181 was the security code se...

Page 125: ...Follow the instructions in the scrolling message and press Enter key to start the calibration The Counter momentarily displays CALIBRATING and then displays the calibration test name and pass fail status for example OFFS 1 PASS When the calibration completes a pass fail message will be displayed If the calibration failed then the calibration factors remain unchanged To Secure Against Calibration 1...

Page 126: ...CODE IS 5 if you entered 5 as the new code To View the Calibration Count 1 Press and hold Scale Offset key then cycle POWER key 2 Press Scale Offset key until CAL COUNT is displayed 3 Press any one of the entry keys arrow Enter to have a scrolling message appear indicating what the calibration count is Your Counter was calibrated before it left the factory When you receive your Counter read the ca...

Page 127: ...menu power down and press and hold the Scale Offset key then press POWER key The first item in the Calibration menu is a message indicating the calibration security status CAL SECURE or CAL UNSECURE The Counter calibration must be unsecured to perform calibration If CAL UNSECURE is displayed the Counter is already unsecured for calibration go to step 5 However if CAL SECURE is displayed then perfo...

Page 128: ... 53181 g Finally press Enter key CAL UNSECURE is displayed NOTE If 53181 is NOT the correct security code the Counter will display BAD CODE 4 Press Scale Offset key until CAL OFFS 1 is displayed 5 Press Enter key A scrolling message on the display will ask you to remove any signals connected to Channel 1 Follow the instruction 6 Press Enter key The Counter momentarily displays CALIBRATING and then...

Page 129: ...53181A 4 Connect the Counter dc power supply and digital multimeter shown in Figure 2 6 Figure 2 6 Gain Calibration Setup 5 Adjust the power supply until the digital multimeter 5 000 V 0 001 V 6 Disconnect the digital multimeter from the Counter to prevent noise from being introduced into the measurement 7 Press Enter key The Counter momentarily displays CALIBRATING and then it should display GAIN...

Page 130: ...a 10 MHz house standard to Channel 1 of the Counter as shown in Figure 2 7 Figure 2 7 Standard Timebase Calibration Setup 2 Cycle the POWER key to preset the Counter Allow the counter to warm up for approximately 30 minutes 3 With an insulated tuning tool turn the OSC Adjust potentiometer located on the rear chassis of the Counter until the frequency reading in the Counter display is 10 00000000 M...

Page 131: ...the timebase choice CAL TIMEBAS only appears when the Timebase Option is installed 3 Press Enter key and follow the instructions in the scrolling message that appears in the Counter display 4 Press Enter key after each instruction The Counter displays CALIBRATING and then it should display TB CAL PASS If the fail message is displayed even after the Counter has been warmed up for 24 hours refer to ...

Page 132: ...ety Considerations Although this instrument has been designed in accordance with international safety standards this guide contains information cautions and warnings which must be followed to ensure safe operation and to retain the instrument in a safe condition Service instructions and adjustment procedures requiring removal of the instrument cover are for use by service trained personnel only To...

Page 133: ... EARTH TERMINAL WILL CAUSE A POTENTIAL SHOCK HAZARD THAT COULD RESULT IN PERSONAL INJURY INTENTIONAL INTERRUPTION IS PROHIBITED Any maintenance and repair of the opened instrument under voltage should be avoided as much as possible and if necessary should be carried out only by a skilled person who is aware of the hazards involved for example fire and electric shock Recommended Test Equipment Test...

Page 134: ...h as wool or synthetic materials 4 DO NOT handle components or assemblies in carpeted areas 5 DO NOT remove an assembly or component from its static shielding protection until you are ready to install it 6 AVOID touching component leads Handle by packaging only Surface Mount Repair Surface mount components should only be removed using soldering irons or desoldering stations expressly designed for ...

Page 135: ...condition 2 GROUND CONTINUITY TEST Plug the power cord into the rear panel power receptacle DO NOT connect the instrument to ac power at this time Using a suitable ohmmeter check resistance from the instrument s metallic connection such as the rear panel or BNC ground collar to the ground pin on the power cord plug The reading must be less that 1Ω Flex the power cord while making this measurement ...

Page 136: ...ption 030 1 5 GHz Option 050 3 GHz Option 124 12 4 GHz n a n a n a 53132 60003 53132 69211 53132 69212 A4 AC Power Supply Standard Option 002 Option 010 and 012 0950 2496 53132 60207 53132 60208 no exchange no exchange no exchange A5 DC Power Supply Option 002 53132 60206 no exchange A6 Oven Timebase Option 001 Option 010 Option 012 53132 60004 or 53132 60008 Support Bd 1813 0931 Oscillator 53132 ...

Page 137: ...50 2496 53132 60207 53132 60208 no exchange no exchange no exchange A5 DC Power Supply Option 002 53132 60206 no exchange A6 Oven Timebase Option 001 Option 010 Option 012 53132 60008 Support Board 1813 0931 Oscillator 53132 60016 Support Board 10811 60160 Oscillator 53132 60016 Support Board 10811 60260 Oscillator no exchange no exchange no exchange 10811 69160 no exchange 10811 69260 Exchange pa...

Page 138: ...96 53132 60207 53132 60208 no exchange no exchange no exchange A5 DC Power Supply Option 002 53132 60206 no exchange A6 Oven Timebase Option 001 Option 010 Option 012 53132 60004 or 53132 60008 Support Board 1813 0931 Oscillator 53132 60016 Support Board 10811 60160 Oscillator 53132 60016 Support Board 10811 60260 Oscillator no exchange no exchange no exchange 10811 69160 no exchange 10811 69260 E...

Page 139: ...nput Board Assembly Cable P O optional channel input board Option 015 030 only A3 Option 015 030 Channel Input Board Assembly Coaxial Cable W1 Input BNC Connectors P O A1 Motherboard Assembly Front Bezel MP4 A2 Display Board Assembly Cable P O Display Board Assembly J18 Power Supply Assembly Connector RS 232 Connector HP IB Connector Ext Arm Connector Ref In Connector 10 MHz Out Connector J9 J6 J7...

Page 140: ...ut board Option 015 030 only A3 Option 015 030 Channel Input Board Assembly Coaxial Cable W1 Input BNC Connectors P O A1 Motherboard Assembly Front Bezel MP4 A2 Display Board Assembly Cable P O Display Board Assembly J18 Power Supply Assembly Connector RS 232 Connector HP IB Connector Ext Arm Connector Ref In Connector 10 MHz Out Connector J9 J6 Hidden J7 A4 AC Power Supply Assembly A2 Display Boa...

Page 141: ...not attempt to repair the power supply 3 Connect the Counter to the power source The fan should begin to operate as soon as power is supplied If the fan does not operate replace A4 AC Power Supply Assembly Refer to Chapter 3 Replacing Assemblies in this service guide if you need to remove or replace an assembly After replacing the power supply assembly perform the appropriate calibration procedure...

Page 142: ...ottom View J18 9V 9G 12 GND 12 GND 5 Ref In AC LINE 10 MHz Out 60 VA 100 120 VAC 200 240 VAC 50 60 400 Hz 50 60 Hz OPTIONS 001 MS Oven 010 HS Oven SERIAL PLATE To Configure Hold Recall during turn on Osc Adjust RS 232 ISM 1 A 92 FOR LABORATORY USE BY QUALIFIED PERSONNEL FOUR USAGE EN LABORATOIRE PAR PERSONNEL QUALIFIE HP IB Talk Only 2 A1 Motherboard Assembly ...

Page 143: ...ome of these self tests can also be invoked from the Utility menu Other tests can also be invoked from the Utility menu but a slightly different test is performed For example a power up self test might work regardless of connections to the inputs while a Utility menu self test may require a specific signal to be connected Some self tests can only be invoked from the Utility menu for example the ke...

Page 144: ...s not available if TEST LOOP is ON TEST LOOP must be OFF CPU test processor s ROM checksum the ROM RAM test RAM EEPROM checksum the EEPROM which is used for non volatile memory HP IB test HP IB chip QSPI test serial hardware control loops FPGA internally measure the timebase to test count circuitry FR END check front end circuits either by swinging trigger levels during power on test and ALL test ...

Page 145: ...eive more specific failure information If you run the TEST LOOP test without Counter being connected to a printer the Counter will only display pass or fail message Diagnosing the Faulty Assembly by Using the Self Tests To Run the Test All Self Test 1 Press and hold Recall Utility key then cycle POWER key 2 Press Recall Utility key until TEST ALL is displayed 3 Press Enter key to start the test Th...

Page 146: ...s ON If TEST LOOP ON is displayed press any one of the arrow keys to set TEST LOOP to OFF 4 Press Recall Utility key until TEST ALL is displayed 5 Press any one of the arrow keys to select the desired self test for example the DISP self test 6 Press Enter key to start the test After a test is completed a pass or fail message will be displayed NOTE After the DISP Display test has cycled through eac...

Page 147: ...ND test connect Counter as shown in Figure 2 11A or Figure 2 11B depending on which Counter you are testing and press Enter key Figure 2 11A HP 53131A 132A Self Test Troubleshooting Setup Figure 2 11B HP 53181A Self Test Troubleshooting Setup Channel 2 Channel 1 HP 53131A 132A Counter BNC Tee 10 MHz Out rear panel Channel 1 HP 53181A Counter 10 MHz Out rear panel ...

Page 148: ... A2 Display Board Assembly or A1 Motherboard Assembly CPU FAIL A1 Motherboard Assembly ROM FAIL A1 Motherboard Assembly RAM FAIL A1 Motherboard Assembly EEPROM FAIL A1 Motherboard Assembly HP IB FAIL A1 Motherboard Assembly QSPI FAIL A1 Motherboard Assembly or A2 Display Board Assembly FPGA FAIL A1 Motherboard Assembly or A2 Display Board Assembly FR END FAIL A1 Motherboard Assembly or A4 AC Power...

Page 149: ...3 Replacing Assemblies Disassembly and Reassembly ...

Page 150: ...E BEFORE WORKING ON THIS INSTRUMENT CAUTION Do not replace assemblies with the instrument turned on Damage to components can occur Refer to Chapter 5 Replaceable Parts for the part number of the assemblies To Remove the Cover page 3 4 To Remove the Front Bezel page 3 6 To Remove A1 Motherboard Assembly page 3 9 To Remove the A2 Display Board Keypads and Window page 3 11 To Remove A3 1 5 3 0 5 0 12...

Page 151: ... screwdriver T15 7 mm spin tight 14 mm deep socket spin tight Soldering iron for removing Option 060 Rear Terminals Small 1 point Pozidriv screwdriver for removing Option 010 012 oven oscillator from A6 Timebase Support Board Do This First Before performing any of the removal and replacement procedures the following steps must be performed 1 Turn Counter off 2 Remove ac line power cord from the re...

Page 152: ... and remove power cord 2 To remove the rear bezel loosen the captive screws on the sides as shown in Figure 3 1 using the TORX 15 screwdriver Figure 3 1 Rear Bezel Removal WARNING NOOPERATORSERVICEABLEPARTSINSIDE REFERSERVICINGTOSERVICETRAINEDPERSONNEL WARNING FORCONTINUEDFIREPROTECTION USESPECIFIED LINEFUSE 1 Ext Arm Ref In I N P U T S AC LINE 10 MHz Out 60 VA 100 120 VAC 200 240 VAC 50 60 400 Hz...

Page 153: ...and gripping the front bezel pull the cover off with the other hand by sliding the cover backward Ext Arm Re f In AC LIN E 10 MH z Ou t 60 VA 100 120 VAC 200 240 VAC 50 60 400 Hz 50 60 Hz OP TIO NS 001 MS Oven 010 HS Oven SERIAL PLATE To Con fi g ure Hold Rec al l durin g turn on Osc Adju st RS 232 ISM 1 A 92 FOR LABOR ATOR Y USE BY QUALI FIED PERSO NNEL FOUR USAG E EN LABOR ATOIR E PAR PERSO NNEL...

Page 154: ...ndle MP7 by rotating it to the vertical position and pull the ends outward as shown in Figure 3 3 Figure 3 3 Handle Removal 3 Remove the front rubber bumper part of MP2 stretch a corner and then slide it off as shown in Figure 3 4 Figure 3 4 Front Rubber Bumper Removal 4 Disconnect the front bezel flat ribbon cable which is actually A2 Display Board s cable from J6 of A1 Motherboard Assembly as sh...

Page 155: ...he optional 1 5 GHz or 3 0 GHz channel Option 015 or 030 pull cable W1 out of the front bezel as shown in Figure 3 5 For the optional 5 0 or 12 4 GHz channel remove knurled nut CAUTION When reassembling A3 Option 015 030 Assembly ensure that cable W1 is not placed or folded on top of the input circuits of A1 Motherboard Assembly or is tucked behind A3 as the Counter may start reading or measuring ...

Page 156: ... screws H1 located in the sides of the front bezel using the TORX 15 screwdriver as shown in Figure 3 5 8 Loosen the screw H1 shown in Figure 3 5 that helps secure A1 Motherboard Assembly to the chassis to make step 9 the following step easier 9 Remove front bezel by pushing inward on the sides of the chassis ...

Page 157: ... Option 015 030 050 124 1 5 3 0 5 0 12 4 GHz Channel disconnect the optional channel s flat ribbon cable from J7 on A1 Motherboard Assembly as shown in Figure 3 6 5 If the Counter contains one of the optional high stability timebase assemblies Option 001 010 012 disconnect the flat ribbon cable from J6 of A1 Motherboard as shown in Figure 2 8A See Chapter 2 Service 6 If the Counter contains the Op...

Page 158: ...3 shown in Figure 3 6 from the rear of the chassis using the 14 mm deep socket spin tight Opt 015 030 only Remove knurled nut for Option 050 9 Remove the three screws H1 in A1 Motherboard Assembly as shown in Figure 3 6 10 Finally slide the motherboard assembly forward H4 H1 H1 H1 H5 H3 A1 Motherboard Assembly H5 MP1 A3 1 5 3 0 GHz Channel Assembly Option 015 030 J7 ...

Page 159: ...er 2 Remove the front bezel See the section titled To Remove the Front Bezel in this chapter 3 Note that A2 Display Board Assembly shown in Figure 3 7 is held in place by five tabs two on top and three on bottom which are part of the front bezel Figure 3 7 A2 Display Board Keypad and Window Removal A2 Display Board Assembly P O Rubber Keypads MP6 Front Bezel MP4 Window MP5 Cap BNC Nuts H3 P O Rubb...

Page 160: ...rd loose from the bottom tabs 6 Remove A2 Display Assembly from the front bezel NOTE When installing A2 Display Board into the front bezel pull up on the top portion of the front bezel and press display board into place Make sure that the board is positioned all the way into the bezel until the two tabs on top and three on bottom are visible 7 Now remove the POWER key cap by gripping and pulling i...

Page 161: ...t remove the BNC nut H3 from the optional Channel 3 or Channel 2 for HP 53181A input connector Options 015 030 only For Option 050 or 124 remove the knurled nut using a pair of pliers 3 Pull W1 which is the optional channel assembly cable out of the Channel 3 or 2 opening in the front panel assembly as shown in Figure 3 8 For the Option 050 or 124 the connector is part of the Option assembly CAUTI...

Page 162: ...Assembly Removal 4 Disconnect flat ribbon cable of the optional channel from connector J7 of A1 Motherboard Assembly as shown in Figure 3 8 5 Remove the four two or three for Option 050 or 124 screws H2 attaching the optional channel to the chassis as shown in Figure 3 8 6 Remove the optional channel assembly H2 H2 W1 A3 3 GHz Channel Assembly Shown with Option 015 030 J7 H3 ...

Page 163: ...A4 AC Power Supply Assembly 1 Remove the cover See the section titled To Remove the Cover in this chapter 2 Remove the TORX screw H1 located in the upper middle of the chassis using the TORX 15 screwdriver as shown in Figure 3 9 Figure 3 9 A4 AC Power Supply Assembly Removal H2 H2 H1 J18 A4 AC Power Supply Assembly ...

Page 164: ...e from J18 on A1 Motherboard Assembly to remove the power supply assembly as shown in Figure 3 9 NOTE When replacing the power supply order the rubber foot 0403 0424 Figure 3 10 shows where the rubber foot is located on the defective assembly Figure 3 10 Location of the Rubber Foot 5 If the Counter contains the Option 002 DC Power Input Assembly disconnect A4 AC Power Supply s other cable from Opt...

Page 165: ...embly Level Service Guide 3 17 3 To Remove A5 DC Power Input Assembly Option 002 1 Remove the cover See the section titled To Remove the Cover in this chapter 2 Remove the four TORX 10 screws H2 that attach A5 DC Power Input Assembly to the side of the chassis as shown in Figure 3 11 ...

Page 166: ...wer Input Assembly Option 002 3 18 Assembly Level Service Guide 3 Figure 3 11 DC Power Input Assembly Option 002 Removal 3 Lift out A5 DC Power Input Assembly and disconnect cable as shown in Figure 3 11 H2 A5 DC Power Input Assembly Option 002 H2 H2 ...

Page 167: ...mbly Level Service Guide 3 19 3 To Remove A6 High Stability Timebase Assembly Options 001 010 and 012 1 Remove the cover See the section titled To Remove the Cover in this chapter 2 Disconnect A6 High Stability Timebase Assembly cable from the J9 connector on A1 Motherboard Assembly as shown in Figure 3 12 ...

Page 168: ...the three TORX 10 screws H2 attaching the timebase to the chassis as shown in Figure 3 12 5 Remove A6 High Stability Timebase Assembly H2 H2 H2 1 Ext Arm Ref In I N P U T S AC LINE 10 MHz Out 60 VA 100 120 VAC 200 240 VAC 50 60 400 Hz 50 60 Hz OPTIO NS 001 MS Ov en 010 HS Ov en SERIAL PLATE To Con fig ur e Hold Rec all du rin g turn on Osc Adjus t RS 23 2 ISM 1 A 92 FO R LA BO RA TO RY US E BY QU ...

Page 169: ...rom their appropriate ground and input pads on the A1 Motherboard Assembly J16 J17 as shown in Figure 3 13 For the HP 53131A 132A unsolder the rear chassis INPUTS 1 cable to J16 and INPUTS 2 to J17 For the HP 53181A unsolder the rear chassis INPUTS 1 cable to J17 NOTE If there are upper or lower shields installed on A1 Motherboard Assembly cut them out and then remove Option 060 Rear Terminal cabl...

Page 170: ...el Service Guide 3 Figure 3 13 Rear Terminals Option 060 Removal NOTE Options 050 and 124 5 0 or 12 4 GHz Input is front panel only J16 Channel 1 for HP53131A 132A Remove from J17 Remove from J16 H3 H3 J17 Channel 2 for HP53131A 132A Channel 1 for HP 53181A H6 H6 W2 W1 from Option 015 030 ...

Page 171: ...e 2940 0256 BNC nuts H3 that secure the coaxial cable s to the rear chassis using the 14 mm deep socket spin tight 4 Pull W2 and washers H6 out of the rear INPUTS opening s 5 Pull the connector end of W1 and washer H6 out of the rear INPUTS opening 6 Plug opening s with MP9 6960 0159 if you are not going to re install Option 060 ...

Page 172: ...Chapter 3 Replacing Assemblies To Remove the Rear Terminals Option 060 3 24 Assembly Level Service Guide 3 ...

Page 173: ...4 Retrofitting Options ...

Page 174: ...r Terminals Small 1 point Pozidriv screwdriver for securing Option 010 012 oven oscillator to A6 Timebase Support Board pliers Do This First Before performing any of the retrofit procedures the following steps must be performed 1 Turn Counter off 2 Remove ac line power cord from the rear ac line socket To Retrofit A3 1 5 3 0 5 0 12 4 GHz Channel Assembly Option 015 030 050 124 page 4 3 To Retrofit...

Page 175: ...ion 015 030 050 124 Assembly Level Service Guide 4 3 4 To Retrofit A3 1 5 3 0 5 0 12 4 GHz Channel Assembly Option 015 030 050 124 NOTE Retrofitting to Option 015 1 5 GHz Option 030 3 0 GHz Option 050 5 0 GHz and Option 124 12 4 GHz must be performed by technicians at an HP Service Center ...

Page 176: ...1 Rear label MP11 53131 80039 1 TORX 10 screws H2 0515 0430 4 NOTE Option 002 can NOT be installed or combined with Option 060 Rear Terminals Preliminary Procedure 1 Remove the cover See the section titled To Remove the Cover in Chapter 3 of this guide 2 Remove the front bezel See the section titled To Remove the Front Bezel in Chapter 3 of this guide 3 Remove the existing A4 AC Power Supply Assem...

Page 177: ...wn in Figure 4 1A Figure 4 1A DC Power Input Assembly Retrofitting 2 Insert but do not tighten the three TORX 15 screws H1 that attach A1 Motherboard Assembly to the new chassis MP10 as shown in Figure 4 1A 3 Insert and tighten the three BNC nuts H3 onto the BNC connectors that protrude from the rear of the chassis using the 14 mm deep socket spin tight H4 H1 H1 H1 H5 H3 A1 Motherboard Assembly H5...

Page 178: ...rear of the chassis using the 7 mm spin tight 5 Now re install the front bezel by performing the front bezel removal procedure in Chapter 3 of this guide in reverse Be sure to insert A2 Display Board s cable into connector J6 on A1 Motherboard Assembly 6 Tighten the three H1 screws shown in Figure 4 1A to secure the motherboard to the chassis Figure 4 1B DC Power Input Assembly Retrofitting H2 H2 ...

Page 179: ...bly 53132 60207 connect the ac power supply s shorter cable to connector J18 on A1 Motherboard Assembly as shown in Figure 4 1B 8 Insert and tighten the two TORX 10 screws H2 to attach A4 Power Supply Assembly to the rear of the chassis as shown in Figure 4 1B 9 Insert and tighten the TORX 15 screw H1 into the upper middle of the chassis as shown in Figure 4 1B ...

Page 180: ...de 4 10 Install A5 DC Power Input Assembly 53132 60206 into the chassis by performing the following a First connect the other ac power supply cable to the connector on A5 printed circuit board as shown in Figure 4 1C Figure 4 1C DC Power Input Assembly Retrofitting H2 A5 DC Power Input Assembly Option 002 H2 H2 ...

Page 181: ... into place making sure to properly align the label with the holes in the rear of chassis as shown in Figure 4 1D Figure 4 1D DC Power Input Assembly Retrofitting 12 Re install the cover by performing the cover removal procedure in Chapter 3 of this guide in reverse Ext Arm Ref In AC LINE 10 MHz Out 60 VA 100 120 VAC 200 240 VAC 50 60 400 Hz 50 60 Hz OPTIO NS 001 MS Ov en 010 HS Ov en SERIAL PLATE...

Page 182: ...outs Front View 14 From the rear of the XLR plug connect the external power supply s supply side wire to pin 2 of the XLR plug Connect the external power supply s return ground wire to pin 1 and the chassis ground wire to pin 3 of the XLR plug 15 Observing the correct polarity attach the other ends of the wires to a dc source 10 to 32V dc to operate the Counter This completes the DC Power Input As...

Page 183: ...0 3 Option 010 High Stability Timebase Assembly Parts Item HP Part No Qty A6 Timebase Support Board 53132 60016 1 Oven Oscillator 10811 60160 1 TORX 10 screws H2 0515 0430 3 Pozidriv screws H7 2360 0331 2 Option 012 Ultra High Stability Timebase Assembly Parts Item HP Part No Qty A6 Timebase Support Board 53132 60016 1 Oven Oscillator 10811 60260 1 TORX 10 screws H2 0515 0430 3 Pozidriv screws H7 ...

Page 184: ... 4 2 5 Plug the oven oscillator into the socket on A6 Timebase Support Board and secure the oven oscillator to A6 using the two Pozidriv screws H7 as shown in Figure 4 2 6 If you are retrofitting the Option 001 Medium Stability Timebase remove the jumper cap on P1 of A6 Timebase Support Board as shown in Figure 4 2 If you are retrofitting the Option 010 High Stability and Option 012 Ultra High Sta...

Page 185: ...sembly retrofit procedure 11 Perform the appropriate timebase calibration procedure as found on page 2 23 and page 2 24 H2 H2 A6 High Stability Timebase Assembly H2 1 Ext Arm Ref In I N P U T S AC LIN E 10 MHz Out 60 VA 100 120 VAC 200 240 VAC 50 60 400 Hz 50 60 Hz OPTIO NS 001 MS Ov en 010 HS Ov en SERIAL PLATE To Con fig ure Hold Rec all du rin g turn on Osc Adjus t RS 23 2 ISM 1 A 92 FO R LA BO...

Page 186: ... 53131A or HP 53132A that contain the Optional Channel 3 Option 030 push out INPUTS plugs 1 2 and 3 located on rear of chassis as shown in Figure 4 3A For retrofitting HP 53181As that do NOT contain the optional Channel 2 Option 015 030 push out INPUTS plug 1 located on rear of chassis as shown in Figure 4 3A For retrofitting the HP 53181As that contain the optional Channel 2 push out INPUTS plugs...

Page 187: ...y or front terminals only NOTE If there are upper or lower shields installed on A1 Motherboard Assembly cut them out and replace the front bezel with the metallized version 53131 40001 Figure 4 3A Plug Removal for Rear Terminals Retrofitting 3 Remove the end of the optional channel Option 015 030 coaxial cable W1 that is connected to the front panel and insert it through the appropriate rear INPUT...

Page 188: ...he Rear Terminals Option 060 4 16 Assembly Level Service Guide 4 Figure 4 3B Rear Terminals Retrofitting J16 Channel 1 for HP53131A 132A To J17 To J16 MP9 MP9 J17 Channel 2 for HP53131A 132A Channel 1 for HP 53181A H6 H6 W2 W1 from Option 015 030 ...

Page 189: ... J16 J17 For the HP 53131A 132A solder the rear chassis INPUTS 1 cable to J16 and INPUTS 2 to J17 See Figure 4 3B For the HP 53181A solder the rear chassis INPUTS 1 cable to J17 See Figure 4 3B 7 Re install the cover by performing the cover removal procedure in Chapter 3 of this guide in reverse This completes the Rear Terminals Option 060 retrofit procedures NOTE When using the front terminals of...

Page 190: ...Chapter 4 Retrofitting Options To Retrofit the Rear Terminals Option 060 4 18 Assembly Level Service Guide 4 ...

Page 191: ...5 Replaceable Parts ...

Page 192: ...an exchange basis Factory repaired and tested exchange assemblies are available only on a trade in basis Defective assemblies must be returned for credit Note that the part numbers for the new and exchange assemblies are also listed in Table 5 3 Table 5 1 Exchange Assemblies Assembly Name HP Part No Exchange Part No A1 Motherboard HP 53131A 53131 60004 53131 69004 A1 Motherboard HP 53132A 53132 60...

Page 193: ...trical assemblies in alphanumerical order by reference designation 2 Chassis mounted electrical parts in alphanumerical order by reference designation 3 Chassis mounted mechanical parts in alphanumerical order by reference designation The information given for each part consists of the following 1 Reference designation 2 Hewlett Packard part number 3 Part number check digit CD 4 Total quantity QTY...

Page 194: ...ter 2 Service When ordering from Hewlett Packard the important numbers to note from the Parts List are the HP Part Number and part number check digit in the CD column and the quantity of the part you want If the part you want is NOT identified in the guide you can call on Hewlett Packard for help see the following section titled Contacting Hewlett Packard Please have the following information at h...

Page 195: ...d on the next page You can also contact your local HP sales office HP sales offices are listed at the back of this package By telephone For Parts Ordering use our toll free number 800 227 8164 Monday through Friday except Holidays 6 a m to 5 p m Pacific Time If you need a part in a hurry an extra cost Hotline phone ordering service is available 24 hours a day Use the toll free number above at the ...

Page 196: ... figures provide different views of the instrument with the parts identified by reference designations the reference designations correspond with the ones in Table 5 3 Table 5 2 Reference Designation A assembly H hardware J electrical connector stationary portion jack MP miscellaneous mechanical part P electrical connector movable portion plug P O part of S switch T transformer TP test point U int...

Page 197: ...2 60208 A5 Option 002 53132 60206 0 1 OPTIONAL DC POWER SUPPLY 002 28480 53132 60206 CHASSIS PARTS H1 0515 0433 6 6 SCREW MACH TORX 15 00000 ORDER BY DESCRIPTION H2 0515 0430 3 3 SCREW MACH TORX 10 00000 ORDER BY DESCRIPTION H3 2940 0256 4 2 NUT BNC 00000 ORDER BY DESCRIPTION H4 0380 1332 7 2 SCREW STDF HP IB CONN HEX 00000 ORDER BY DESCRIPTION H5 2190 0577 1 2 WASKER LOCK 00000 ORDER BY DESCRIPTI...

Page 198: ...ER SUPPLY ASSY FOR OPT 010 28480 53132 60208 10811 60260 1 OSCILLATOR OVEN 28480 10811 60211 H2 0515 0430 3 4 SCREW MACH TORX 10 00000 ORDER BY DESCRIPTION H7 2360 0331 6 1 SCREW MACH POZIDR 6 32 0 25 IN LG 00000 ORDER BY DESCRIPTION OPTION 015 1 5 GHz CHANNEL ASSY OPTION 015 A3 Exchange only 1 1 5 GHz CHANNEL ASSY 28480 8120 6142 7 1 CABLE COAXIAL INPUT 28480 8120 6142 MP5 HP 53181A only 53181 40...

Page 199: ... Assembly Level Service Guide 5 9 5 Figure 5 1 HP 53131A 132A 181A Exploded View Chassis Parts and Assemblies MP7 MP3 A4 P O MP2 MP8 MP11 for Option 002 MP1 MP10 for Option 002 A2 P O MP2 A3 A1 MP4 MP5 HP 53181A only A5 Option 002 A6 Option 001 010 or 012 ...

Page 200: ... 53181A 00000 ORDER BY DESCRIPTION OPTION 124 12 4 GHz CHANNEL ASSY OPTION 124 A3 Exchange only 1 12 4 GHz CHANNEL 3 ASSY 28480 H2 0515 0430 2 SCREW MACH TORX 10 28480 ORDER BY DESCRIPTION MP4 53131 40008 1 FRONT PANEL OPT 124 28480 53131 40008 MP5 HP 53181A only 53181 40009 1 WINDOW 12 4 GHz FOR HP 53181A ONLY 28480 53181 40009 H6 0590 0505 1 NUT KNURLED 28480 0590 0505 MP2 53131 40014 1 BEZEL 28...

Page 201: ...6 Backdating Manual Changes ...

Page 202: ...upplied with Manual Updating Changes package containing the required information Replace the affected pages or modify existing guide information as directed in the pages of the Manual Updating Changes package Contact the nearest Hewlett Packard Sales and Support Office Older Instruments To adapt this guide to older HP 53131A 132A 181A Counters having a serial prefix lower than 3711 perform the bac...

Page 203: ... 53131A Change A1 Motherboard part number from 53131 60004 to 53131 60001 53181A Change A1 Motherboard part number from 53181 60004 to 53181 60001 CHANGE 2 New A3 5 12 4 GHz Prescaler Assembly Page 2 40 Page 2 42 Table 2 1 Table 2 3 HP 53131A 132A 181A Assembly Identification Change A3 Channel 3 Input Board Option 050 part number from 53132 60212 to 53132 60211 exchange part numbers change from 53...

Page 204: ...base Assembly as shown in Figure 2 10 Figure 2 10 A4 AC Power Supply 9V Output Check Option 010 012 Only J2 9V Gray GND Wht 1 Ext Arm Ref In I N P U T S AC LINE 10 MHz Out 60 VA 100 120 VAC 200 240 VAC 50 60 400 Hz 50 60 Hz OPTIO NS 001 MS Ov en 010 HS Ov en SERIAL PLATE To Co nfigure Ho ld Re ca ll du rin g turn on Os c Ad just RS 23 2 ISM 1 A 92 FO R LAB OR ATO RY US E BY QU ALI FIE D PE RS ON N...

Page 205: ... Parts Change A6 Options 001 010 and 012 Timebase Support Board from 53132 60016 to 53132 60008 Change A6 Option 010 Oscillator Oven from 10811 60160 to 10811 60111 Change A6 Option 012 Oscillator Oven from 10811 60260 to 10811 60211 CHANGE 4 Series 3710A to 3705A 53132A Only Firmware Revision 3646A to 3546A Page 2 41 Table 2 2 HP 53132A Assembly Identification Change A1 Motherboard part number fr...

Page 206: ...MP3 Cover 53131 00012 53131 00002 MP4 Front Bezel 53131 132A MP4 Front Bezel 53181A 53131 40009 53181 40011 53131 40001 53181 40001 MP5 Window 53131A MP5 Window 53132A MP5 Window 53181A 53131 40015 53132 40003 53181 40013 53131 40002 53132 40001 53181 40003 MP6 Keypad 53131 40010 53131 40003 MP7 Handle 34401 45011 34401 45001 MP8 Rear Label 53131 80038 53131 80002 Kit Rack Mount 5063 9240 5062 397...

Page 207: ... needed to reduce susceptibility to EMI However the shields are not needed on A1 Motherboard Assembly if the metalized front bezel is used in the Counter Thus when you order a new A1 Motherboard Assembly 53131 60001 same part number as the old A1 for your HP 53131A Counter you need to order a new metalized front bezel 53131 40003 same part number of the old non metalized front bezel CHANGE 8 Below...

Page 208: ...out the HP 53131A 132A Calibration Menu and The HP 53131A 132A Calibration Procedures sections Replace with the following calibration information and procedures About the HP 53131A Calibration Menu The Utility menu is accessed by holding the Recall key and cycling POWER key The Utility menu s calibration items illustrated on the following page provide you with the functions to initiate the Counter...

Page 209: ...e timebase option is installed HP IB 3 REV XXXX Recall Utility On Stby POWER TIMEBAS AUTO TIMEBAS INT TIMEBAS EXT CAL OFFS 2 CAL GAIN 2 CAL OFFS 1 CAL GAIN 1 CAL TIMEBAS CAL TI 1 2 TEST LOOP ON TESTLOOP OFF TST PRINT ON TST PRINT OFF BAUD 19200 BAUD 1200 BAUD 9600 BAUD 300 BAUD 2400 PARITY OFF PARITY EVEN PARITY ODD SWPACE NONE SWPACE XON DTR HIGH DTR LIMIT DTR HW PACE SHOW9AS 9 0 SHOW 9 AS 9 0 TE...

Page 210: ...o remove any signals connected to Channel 1 Follow the instruction 4 Press Enter key The Counter momentarily displays CALIBRATING and then it should display OFFS 1 PASS If the fail message is displayed refer to the troubleshooting section in this chapter 5 To calibrate Channel 2 press any one of the arrow keys until CAL OFFS 2 is displayed 6 Press Enter key The display will ask you to remove any s...

Page 211: ...essage is displayed Follow the instruction by performing the following steps 3 Connect a BNC tee connector to Channel 1 of the Counter 4 Connect the Counter dc power supply and multimeter as shown in Figure 2 1 Figure 2 1 Gain Calibration Setup 5 Adjust the power supply until the multimeter displays 5 000 V 0 001 V 6 Disconnect the digital multimeter from the Counter to prevent noise from being in...

Page 212: ... dc supply should already be connected to Channel 2 as you were previously instructed to do this in step 8 11 Press Enter key again The Counter momentarily displays CALIBRATING and then it should display GAIN 2 PASS If the fail message is displayed refer to the troubleshooting section in this chapter 12 Disconnect the calibration setup This completes the Gain Calibration procedure Proceed to the n...

Page 213: ... or equivalent HP 10503A BNC Cable Figure 2 3 TI Calibration Setup 4 Set the HP 8130A as follows PERIOD 100 ns WIDTH 50 ns High 0 50 VLow 0 50 V Input Mode Normal NOTE Any external timebase connected to the Counter is ignored during this calibration 5 Press Enter key The Counter displays CALIBRATING and then it should display TI CAL PASS If the fail message is displayed refer to the troubleshootin...

Page 214: ... the Standard Timebase 1 Connect the output of a 10 MHz house standard to Channel 1 of the Counter as shown in Figure 2 4 Figure 2 4 Standard Timebase Calibration Setup 2 Cycle the POWER key to preset the Counter 3 With an insulated tuning tool turn the OSC Adjust potentiometer located on the rear chassis of the Counter until the frequency reading in the Counter display is 10 00000000 MHz 5 Hz The...

Page 215: ...s shown in Figure 2 4 2 Press any one of the arrow keys until CAL TIMEBAS is displayed Note that the timebase choice CAL TIMEBAS only appears when the Timebase Option is installed 3 Press Enter key and follow the instructions in the scrolling message that appears in the Counter display 4 Press Enter key after each instruction The Counter displays CALIBRATING and then it should display TB CAL PASS ...

Page 216: ... Page 7 3 External Arm Input Specifications Change the Signal Input Range specification from TTL Compatible to High Level Input 3 0 V Low Level Input 1 5 V CHANGE 2 53132A Serial Prefix 3546A and Below Page 7 3 External Arm Input Specifications Change the Signal Input Range specification from TTL Compatible to High Level Input 3 0 V Low Level Input 1 5 V ...

Page 217: ...ons Assembly Level Service Guide 6 17 6 CHANGE 3 53181A Serial Prefix 3711A02841 and Below Page 8 3 External Arm Input Specifications Change the Signal Input Range specification from TTL Compatible to High Level Input 3 0 V Low Level Input 1 5 V ...

Page 218: ...Chapter 6 Backdating Backdating Specifications 6 18 Assembly Level Service Guide 6 ...

Page 219: ...7 HP 53131A 132A Specifications ...

Page 220: ...to 225 MHz 50 Ω 30 Hz to 225 MHz 1 MΩ FM Tolerance 25 Voltage Range and Sensitivity Sinusoid 2 DC to 100 MHz 20 mVrms to 5 V ac dc 75 mVrms with optional rear connectors 3 100 MHz to 200 MHz 30 mVrms to 5 V ac dc 75 mVrms with optional rear connectors 3 200 MHz to 225 MHz 40 mVrms to 5 V ac dc 75 mVrms with optional rear connectors 3 Voltage Range and Sensitivity Single Shot Pulse 2 4 5 ns to 10 n...

Page 221: ...Option 124 200 MHz to 12 4 GHz Power Range and Sensitivity Sinusoid Option 030 100 MHz to 2 7 GHz 27 dBm to 19 dBm 2 7 GHz to 3 GHz 21 dBm to 13 dBm Option 050 200MHz to 5 GHz 23 dBm to 13 dBm Option 124 200 MHz to 12 4 GHz 23 dBm to 13 dBm Damage Level Option 030 5 Vrms Option 050 25 dBm Option 124 25 dBm Impedance 50 Ω Coupling AC VSWR 2 5 1 External Arm Input Specifications External Arm Input C...

Page 222: ...h Per Year 3 x 10 7 4 x 10 8 2 x 10 7 5 x 10 10 1 5 x 10 8 1 x 10 10 3 x 10 9 2 x 10 8 Turn on stability vs time in 30 minutes 2 x 10 7 referenced to 2 hours 5 x 10 9 referenced to 24 hours 5 x 10 9 referenced to 24 hours Calibration Manual Adjust Electronic Electronic Electronic External Time Base Input Specifications External Time Base Input Characteristics Voltage Range 200 mVrms to 10 Vrms Dam...

Page 223: ...ormance For Automatic Arming where N 1 for Ch1 or Ch2 Frequency 1 MHz 4 for Ch1 or Ch2 Frequency 1 MHz 128 for Ch3 LSD Displayed RMS Resolution HP 53131A HP 53132A tres tjitter tres tjitter typical 500 ps 50 ps 225 ps 3 ps see graphs for worst case resolution performance Number of Samples Gate Time x Frequency Frequency 200 kHz Gate Time x 200 000 Frequency 200 kHz Systematic Uncertainty HP 53131A...

Page 224: ...om the appropriate graph and add a trigger error term as follows Automatic or External Arming Time or Digit Arming 10 100 1000 10000 100000 1000000 1E 07 1E 08 1E 09 1E 10 Input Frequency Hz 1E 10 1E 8 1E 6 1E 4 1E 2 1E 00 1E 02 Frequency Error Hz Auto Armed 1ms 1s 10s Gate Time 10ms 100ms 10 100 1000 10000 100000 1000000 1E 07 1E 08 1E 09 1E 10 Input Frequency 1E 10 1E 8 1E 6 1E 4 1E 2 1E 00 1E 0...

Page 225: ...gger error term as follows Time or Digit Arming Automatic or External Arming Measurement Specifications Continued 10 100 1000 Auto Armed 1ms 10ms 100ms 1s 10s Gate Time 10000 100000 Input Frequency Hz Frequency Error Hz 1000000 1E 07 1E 08 1E 09 1E 10 1E 10 1E 8 1E 6 1E 4 1E 2 1E 00 1E 02 10 100 1000 1ms 10ms 100ms 1s Gate Time 10s 10000 100000 Input Frequency Hz Frequency Error Hz 1000000 1E 07 1...

Page 226: ... the instrument can be source locked to the 15 MHz signal then this error term can be substantially reduced The measurement resolution under these conditions is 75 µHz 1 sigma which determines the number of digits displayed Measurement Specifications Continued Measurement Error Systematic Uncertainty 2 RMS Resolution Time Base Error tacc Gate Time 2 4 tres 2 2 Trigger Error 2 Gate Time Number of S...

Page 227: ... each input Results Range 10 10 to 1011 Auto Gate Time 100 ms or sufficient cycles on Channel 2 or 3 to make a valid measurement whichever is longer LSD RMS Resolution To minimize relative phase measurement error connect the higher frequency signal to Channel 1 when possible 7 See Specifications for Pulse Width and Rise Fall Time measurements for additional restrictions on signal timing characteri...

Page 228: ...gger Default setting is Auto Trigger8 at 10 and 90 Results Range 5 ns to 105 s LSD RMS Resolution tres Systematic Uncertainty Time Base Error Transition Time Trigger Level Timing Error 1 5 ns Differential Channel Error HP 53131A 900 ps Differential Channel Error HP 53132A Phase Measurement is specified over the full signal range of Channels 1 and 2 Results Range 180 to 360 RMS Resolution tres Syst...

Page 229: ...Channels 1 and 2 for DC signals or for AC signals of frequencies between 100 Hz and 30 MHz with peak to peak amplitude greater than 100 mV The measurement will continue to operate up to 225 MHz though results are for indication only Results Range 5 1 V to 5 1 V Resolution 10 mV Systematic Uncertainty for AC signals 25 mV 10 of V for DC signals 25 mV 2 of V Use of the input attenuator multiplies al...

Page 230: ... Trigger level timing error results from a deviation of the actual trigger level from the specified indicated level The magnitude of the measurement timing error depends on several factors primarily resolution and accuracy of the trigger level circuit fidelity of the input amplifier slew rate of the input signal at the trigger point and width of the input hysteresis band see illustration Trigger l...

Page 231: ... and signals The specifications identified as Worst Case should be used when the instrument is under extreme environmental conditions or when the accuracy of the measurement results are critically important Time Interval Measurement LSD Definition For the Time Interval Pulse Width and Rise Fall Time measurements the LSD is the measurement quantization error tres is the LSD plus the effects of cert...

Page 232: ...ing Timed arming modes or another edge on the External Arm Input may be used to complete the measurement Time Interval Arming Modes HP 53131A Time Interval Stop Delay Arming The Stop Measurement condition on Channel 2 is inhibited trigger hold off for a user specified time following the Start Measurement on Channel 1 Time Interval Delay Range 100 µs to 10 s Time Interval Delay Resolution 10 µs fro...

Page 233: ...Checking The measurement value is checked against user specified limits at the end of each measurement Display Modes The measurement result may be displayed as either the traditional numeric value or graphically as an asterisk moving between two vertical bars These bars define the upper and lower limits and the asterisk represents the current measurement result relative to these limits Out of Limi...

Page 234: ...arge and Fast Transient Burst Immunity Testing When the product is operated at maximum sensitivity 20 mVrms and tested with 8kV AD according to IEC801 2 or with 1kV power line transients according to IEC 801 4 frequency miscounts may occur that will affect measurement data made during these disturbances Radiated Immunity Testing When the product is operated at maximum sensitivity 20 mVrms and test...

Page 235: ...8 HP 53181A Specifications ...

Page 236: ...itivity Sinusoid 1 DC to 100 MHz 20 mVrms to 5 V ac dc 75 mVrms with optional rear connectors 2 100 MHz to 200 MHz 30 mVrms to 5 V ac dc 75 mVrms with optional rear connectors 2 200 MHz to 225 MHz 40 mVrms to 5 V ac dc 75 mVrms with optional rear connectors 2 Voltage Range and Sensitivity Single Shot Pulse 1 4 5 ns to 10 ns Pulse Width 100 mVpp to 10 Vpp 150 mVpp with optional rear connectors 2 10...

Page 237: ...2 4 GHz Power Range and Sensitivity Sinusoid Option 015 100 MHz to 1 5 GHz 27 dBm to 19 dBm Option 030 100 MHz to 2 7 GHz 27 dBm to 19 dBm 2 7 GHz to 3 GHz 21 dBm to 13 dBm Option 050 200MHz to 5 GHz 23 dBm to 13 dBm Option 124 200MHz to 12 4 GHz 23 dBm to 13 dBm Damage Level Option 015 030 5 Vrms Option 050 124 25 dBm Impedance 50 Ω Coupling AC VSWR 2 5 1 External Arm Input Specifications Externa...

Page 238: ... Day Per Month Per Year 3 x 10 7 4 x 10 8 2 x 10 7 5 x 10 10 1 5 x 10 8 1 x 10 10 3 x 10 9 2 x 10 8 Turn on stability vs time in 30 minutes 2 x 10 7 referenced to 2 hours 5 x 10 9 referenced to 24 hours 5 x 10 9 referenced to 24 hours Calibration Manual Adjust Electronic Electronic Electronic External Time Base Input Specifications External Time Base Input Characteristics Voltage Range 200 mVrms t...

Page 239: ...Time or Digits Arming LSD Displayed RMS Resolution tres 650 ps typical5 For Automatic Arming where N 1 for Ch1 Frequency 1 MHz 4 for Ch1 Frequency 1 MHz 128 for Ch2 LSD Displayed RMS Resolution tres 500 ps typical5 tjitter 50 ps typical5 Number of Samples Gate Time x Frequency Frequency 200 kHz Gate Time x 200 000 Frequency 200 kHz Systematic Uncertainty tacc 350 ps typical 1 25 ns worst case Trig...

Page 240: ...appropriate graph and add a trigger error term as follows Automatic or External Arming Time or Digit Arming 10 100 1000 10000 100000 1000000 1E 07 1E 08 1E 09 1E 10 Input Frequency Hz 1E 10 1E 8 1E 6 1E 4 1E 2 1E 00 1E 02 Frequency Error Hz Auto Armed 1ms 1s 10s Gate Time 10ms 100ms 10 100 1000 10000 100000 1000000 1E 07 1E 08 1E 09 1E 10 Input Frequency 1E 10 1E 8 1E 6 1E 4 1E 2 1E 00 1E 02 Frequ...

Page 241: ... if the instrument can be source locked to the 15 MHz signal then this error term can be substantially reduced The measurement resolution under these conditions is 0 8 MHz 1 sigma which determines the number of digits displayed Measurement Specifications Continued Measurement Error Systematic Uncertainty 2 RMS Resolution Time Base Error tacc Gate Time 2 4 tres 2 2 Trigger Error 2 Gate Time Number ...

Page 242: ...30 MHz with peak to peak amplitude greater than 100 mV The measurement will continue to operate up to 225 MHz though results are for indication only Results Range 5 1 V to 5 1 V Resolution 10 mV Systematic Uncertainty for AC signals 25 mV 10 of V for DC signals 25 mV 2 of V Use of the input attenuator multiplies all voltage specifications input range results range resolution and systematic uncerta...

Page 243: ...rade the signal s slew rate at the input of the trigger comparator Fractional Time Base Error Time base error is the maximum fractional frequency variation of the time base due to aging or fluctuations in ambient temperature or line voltage Multiply this quantity by the measurement result to yield the absolute error for that measurement Averaging measurements will not reduce fractional time base e...

Page 244: ...the measurement Measurement Statistics Available Statistics Mean Minimum Maximum Standard Deviation Number of Measurements 2 to 1 000 000 Statistics may be collected on all measurements or on only those which are between the limit bands When the Limits function is used in conjunction with Statistics N number of measurements refers to the number of in limit measurements In general measurement resol...

Page 245: ... Fast Transient Burst Immunity Testing When the product is operated at maximum sensitivity 20 mVrms and tested with 8kV AD according to IEC801 2 or with 1kV power line transients according to IEC 801 4 frequency miscounts may occur that will affect measurement data made during these disturbances Radiated Immunity Testing When the product is operated at maximum sensitivity 20 mVrms and tested at 3 ...

Page 246: ...Chapter 8 HP 53181A Specifications General Information 8 12 Assembly Level Service Guide 8 ...

Page 247: ... 15 2 28 2 31 calibration 2 6 2 25 count 2 14 2 30 Help menu 2 14 2 30 initiate 2 9 2 29 new security code 2 13 2 30 procedures 2 15 secure against calibration 2 29 security status 2 9 2 28 unsecure 2 9 2 28 calibration cycle 1 3 Calibration Menu HP 53131A 132A 2 6 HP 53181A 2 25 Calibration menu 2 25 HP 53131A 132A 2 8 Calibration Menu tree HP 53181A 2 27 calibration procedures HP 53131A 132A 2 1...

Page 248: ... 3 HP 53131A 132A 1 40 HP 53181A 1 70 HP IB verification optional 1 3 HP IB verification program 1 70 HP 53131A 132A 1 40 I initiating calibration 2 9 2 29 installing options A3 1 5 GHz Channel 2 Option 015 4 3 A3 3 GHz Channel 3 Option 030 4 3 A3 5 GHz Channel 3 Option 050 4 3 DC Power Input Option 002 4 4 High Stability Timebase Option 001 4 11 High Stability Timebase Option 010 4 11 High Stabil...

Page 249: ...ply voltages 2 47 power on self tests 1 5 Pre troubleshooting information 2 2 2 36 Product performance checks 2 39 Q quick time interval calibration 2 10 R Rear Terminals Option 060 3 21 reassembly procedures 3 2 Recommended test equipment 2 37 reference designations 5 3 removal 1 5 3 0 5 0 12 4 GHz Channel Option 015 030 050 124 3 13 A4 AC Power Supply 3 15 A5 DC Power Input Option 002 3 17 A6 Hi...

Page 250: ...surement throughput 7 14 power supply voltage 7 16 8 11 RS 232C connector pin assignments 7 16 time base stability 7 4 8 4 voltage range and sensitivity 7 2 Surface Mount repair 2 38 T TEST 2 47 test equipment 1 4 test record 1 3 HP 53131A 132A 1 41 HP 53181A 1 71 time arming 8 10 timebase calibration 2 7 2 10 2 24 2 29 2 35 6 15 tools required 3 3 top Internal view 2 44 top internal view 2 43 Tro...

Page 251: ...East Hewlett Packard S A International Sales Branch Middle East Africa Geneva Switzerland Tel 41 22 780 4111 Fax 41 22 780 4770 Asia Pacific Hewlett Packard Asia Pacific Ltd Hong Kong SAR Tel 852 2599 7777 Fax 852 2506 9284 Australia New Zealand Hewlett Packard Australia Ltd Blackburn Victoria Australia Tel 1 800 629 485 Australia Tel 0 800 738 378 New Zealand Fax 61 3 9272 0749 Canada Hewlett Pac...

Page 252: ......

Page 253: ...CLUDING LOST PROFIT OR DATA OR OTHER DAMAGE WHETHER BASED IN CONTRACT TORT OR OTHERWISE For consumer transactions in Australia and New Zealand the warranty terms contained in this statement except to the extent lawfully permitted do not exclude restrict or modify and are in addition to the mandatory statutory rights applicable to the sale of this product to you Assistance Product maintenance agree...

Page 254: ... Manual Part Number 53131 90039 Printed in U S A MARCH 1999 ...

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