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E8257D/67D, E8663D PSG Signal Generators Service Guide

Replaceable Parts
Assemblies and Hardware Options

2-48

Disassembled A24 67GHz Highband Coupler and A25B Highband Detector Bias Board

Figure 2-25 Disassembled A24 67GHz Highband Coupler and A25B Highband Detector Bias Board

Table 2-11 Disassembled A24 67GHz Highband Coupler and A25 Highband Detector

Item No.

Description

Qty

Part Number

Coupler Bracket (Option 550/567)

E8251- 00306

Screw- Machine M4.0 x .312 PN- PN

0515- 0658

Screw- Machine M3.0 x 8 CW- PN- TX

0515- 0372

Содержание E8257D/67D

Страница 1: ...erators E8257D 67D E8663D Notice This document contains references to Agilent Please note that Agilent s Test and Measurement busi ness has become Keysight Technologies For more in formation go to www...

Страница 2: ...HAT CONFLICT WITH THESE TERMS THE WARRANTY TERMS IN THE SEPARATE AGREEMENT WILL CONTROL Technology Licenses The hardware and or software described in this document are furnished under a license and ma...

Страница 3: ...Test Errors E8267D only 1 34 Self Tests 6xx A9 YIG Driver Self Test Errors 1 37 Self Tests 7xx A6 Frac N Self Test Errors 1 39 Self Tests 7xx A45 Frac N Self Test Errors option UNY 1 41 Self Tests 9x...

Страница 4: ...rious 1 81 Troubleshooting Option UNR UNX UNY and Instruments with Serial Prefixes US4805 MY4805 Phase Noise 1 82 Overall Description 1 83 A18 CPU 1 83 A19 Power Supply 1 83 Input Output Interface 1 8...

Страница 5: ...quency Hardware and Personality Options 2 1 Assemblies 2 3 Assemblies from the Inside Front Panel View 2 7 Assemblies from a Top View E8257D Option 520 540 and E8663D 2 9 Assemblies from a Microcircui...

Страница 6: ...blies That You Can Replace 3 1 Outer Instrument Cover 3 4 Tools Required 3 4 Removal Procedure 3 4 Replacement Procedure 3 4 Inner Instrument Cover 3 6 Tools Required 3 6 Removal Procedure 3 6 Replace...

Страница 7: ...quired 3 30 Removal Procedure 3 30 Replacement Procedure 3 30 A13 I Q MUX E8267D Standard or with Option 015 Serial Prefixes US4722 MY4722 3 32 Tools Required 3 32 Removal Procedure 3 32 Replacement P...

Страница 8: ...Tools Required 3 54 Removal Procedure 3 54 Replacement Procedure 3 54 A24 40 GHz Highband Coupler Option 540 3 58 Tools Required 3 58 Removal Procedure 3 58 Replacement Procedure 3 58 A24 50 GHz Highb...

Страница 9: ...uired 3 76 Removal Procedure 3 76 Replacement Procedure 3 76 A28 YIG Oscillator 3 78 Tools Required 3 78 Removal Procedure 3 78 Replacement Procedure 3 78 A29 20 GHz Doubler 3 80 Tools Required 3 80 R...

Страница 10: ...Removal Procedure 3 100 Replacement Procedure 3 100 A35 3 20 GHz I Q Modulator E8267D Only Standard or with Option H16 016 Serial Prefixes US4722 MY4722 3 102 Tools Required 3 102 Removal Procedure 3...

Страница 11: ...r 3 122 Tools Required 3 122 Removal Procedure 3 122 Replacement Procedure 3 122 AT1 115 dB Attenuator 3 124 Tools Required 3 124 Removal Procedure 3 124 Replacement Procedure 3 124 AT1 90 dB Attenuat...

Страница 12: ...xii Contents...

Страница 13: ...itone Waveform Generator Two Tone Waveform Generator AWGN Waveform Generator Peripheral Devices Troubleshooting Programming Guide Getting Started with Remote Operation Using IO Interfaces Programming...

Страница 14: ...xiv Service Guide Troubleshooting Replaceable Parts Assembly Replacement Post Repair Procedures Safety and Regulatory Information Key Reference Key function description...

Страница 15: ...Self Test Overview on page 1 121 Contacting Agilent Technologies on page 1 122 WARNING Troubleshooting instructions are for use by qualified personnel only To avoid electrical shock do not perform an...

Страница 16: ...and the function of each assembly the overall description page 1 83 the synthesis loop page 1 93 the RF path page 1 99 and self test page 1 121 Running Self Test NOTE A bad assembly can cause other as...

Страница 17: ...re present and the A18 CPU is working correctly the operational checks are completed Errors are reported if the A18 CPU has problems identifying other assemblies or communicating with the backup memor...

Страница 18: ...terns See the diagram on page 1 45 for LED locations DS1 to DS8 should match the sequence shown in Table 1 3 Before verifying the turn on sequence make sure all switches in the upper left hand corner...

Страница 19: ...Instrument Adjustments Instrument Options Software Options b For each option that has a check mark after the license key write down the option number and the license key Take your time to be sure tha...

Страница 20: ...arity Switch 109 RMS to DC Converter 110 not used 111 Wideband Path Test A5 Sampler Self Tests 2xx A5 Sampler Self Test Errors on page 1 31 200 Power Supply 201 Tuning Bias Test 202 Coarse Loop Detect...

Страница 21: ...Test A7 Reference Option UNR UNX Self Tests 10xx A7 Reference Option UNR UNX and Instruments with Serial Prefixes US4805 MY4805 Self Test Errors on page 1 44 1000 Power Supply 1001 10 MHz Test 1002 1...

Страница 22: ...14 External 1 1315 External 2 1316 AM Path Loss A14 Baseband Generator Self Tests 16xx for the A14 Baseband Generator Option 601 602 on page 1 56 1600 Host BBG Comm 1601 Apps 1 Apps 2 Comm 1602 Apps 1...

Страница 23: ...ator Test 2604 Clamp Detector Test 2605 Bias Switch Test 2606 Switched Filters Test 2607 DAC Functionality Test 2608 Het Band Test A46 Offset Loop Self Tests 27xx A46 Offset Loop Self Test Errors Opti...

Страница 24: ...dulation Generator Self Test Errors on page 1 54 Self Tests 16xx for the A14 Baseband Generator Option 601 602 on page 1 56 Self Tests 22xx A8 Output Self Test Errors on page 1 58 Self Tests 24xx A38...

Страница 25: ...VDISP are bad check them at P221 16 and P221 55 respectively on the A31 Motherboard If either signal is bad at P221 replace the A18 CPU If all the above signals are good check the output of the dc to...

Страница 26: ...herboard If any of these signals are bad change the CPU board 6 If all the signals measured in Step 4 are good check the following signals at J9 of the power switch To access J9 the front panel must b...

Страница 27: ...If both signals are correct press the faulty hardkey or softkey while monitoring the KEYCOL or KEYROW on the oscilloscope The KEYCOL line should pulse low the KEYROW line should pulse high If either...

Страница 28: ...e motherboard If the signal is high at P221 replace the CPU board Power Supply Troubleshooting The power supply is a switching supply with automatic line voltage and frequency selection Because of thi...

Страница 29: ...e 1 6 E8257D E8663D Power Supply vs Assembly Matrix 2 of 3 Motherboard test points 5 2 Digital 3 4 Digital 2 6 Vdc 7 Vdc 6 Vdc 1 8 Vdc A2 Display P11 44 A2DS1 Backlight P12 1 A3 Power Supply P231 21 2...

Страница 30: ...2 17 P42 4 19 A8 Output P52 2 17 P52 4 19 A9 YIG Driver P112 4 29 P112 1 2 26 27 A10 ALC P122 3 P122 1 26 A11 Mod Gen P132 3 P132 1 26 A12 Pulse Modulator J14 7 P201 31 32 A18 CPU P223 3 P223 1 P223 2...

Страница 31: ...P223 40 A21 Rear Panel P241 13 14 P241 17 18 A23 Lowband Coupler Det J15 8 A26 Microwave Interface P201 1 1 P201 2 3 4 P201 5 6 7 8 9 10 P201 29a A27 40 GHz Doubler J36 5 J36 19 J36 21 A29 20 GHz Dou...

Страница 32: ...r J31 7 9 A35 20 GHz I Q Modulator J34 5 6b J34 7b J34 28b A37 45 GHz Upconverter J35 7 8 J35 1 2 3 11 J35 16 A38 Low Band Switch Filter P142 2 27 P141 64 65 129 130 AT1 Attenuator J13 2 aOriginates o...

Страница 33: ...nd Coupler Det J15 10 A26 Microwave Interface P201 24 P201 30 33 46 P201 11 12 A27 40 GHz Doubler J36 4 A29 20 GHz Doubler J32 4 A30 20 GHz Mod Filter J31 4 A35 20 GHz I Q Modulator J34 4b A37 45 GHz...

Страница 34: ...ilter J31 8 J31 1 3c A35 20 GHz I Q Modulator J34 9c A38 LB Switch Filter P142 26 P141 51 55 56 117 120 121 B1 Fan Fan P252 2 P251 2 Fan P252 1 P251 1 aVoltage regulator on motherboard b Originates on...

Страница 35: ...Problems 1 21 Figure 1 2 E8257D Analog Motherboard Connectors Bottom View P221 P222 P191 P181 P171 P151 P141 P131 P121 P111 P241 P231 P223 P192 P182 P172 P152 P142 P132 P122 P112 P53 P43 P33 P23 P11...

Страница 36: ...67D Vector Motherboard Connectors Bottom View P222 J231 J234 P241 J235 J239 P201 P221 P223 P172 P162 P152 P142 P132 P122 P112 P192 P53 P43 P33 P23 P13 P12 P31 P21 P41 P51 P52 P42 P32 P22 P11 P191 P171...

Страница 37: ...re working disconnect the fan from the rear panel assembly at P6 and check the fan voltage at P6 2 If the fan voltage is correct replace the fan Symptom Instrument does not power up power supply LEDs...

Страница 38: ...to an overvoltage condition 1 Turn off the instrument and remove one of the assemblies biased by the faulty supply 2 Turn the instrument on and check the faulty supply If the supply LED lights replace...

Страница 39: ...ide Troubleshooting Troubleshooting Assembly Level Problems 1 25 Figure 1 4 E8257D Motherboard Power Supply LEDs DS101 DS103 DS104 DS112 DS113 DS102 DS109 DS100 DS110 DS111 DS106 DS105 9V 8V 6V 5 2V 5...

Страница 40: ...y Level Problems 1 26 Figure 1 5 E8267D Motherboard Power Supply LEDs 7V DS112 10V 5 2V 15V DS104 DS107 DS102 15V DS113 15VSVSTBY DS103 32V DS101 8V 9V 5 2V 6V DS111 DS105 DS110 DS106 DS115 5 2V2 1 95...

Страница 41: ...help in determining which assembly uses which power supplies 1 Turn off the instrument and remove one of the assemblies biased by the faulty supply 2 Turn the instrument on and check whether the over...

Страница 42: ...flash drive communicates directly to the A18 CPU through a ribbon cable NOTE A flash memory card must be installed for the firmware to report Option 008 009 in the instrument 1 Verify the flash memor...

Страница 43: ...at the origin replace the A31 Motherboard If the supply voltage is bad at the origin troubleshoot the origin 101 CAL Source Replace the A13 I Q Multiplexer 102 Ext In Offset DAC and Switch Replace the...

Страница 44: ...place the A13 I Q Multiplexer board If a square wave is present at A13J10 continue to step 3 3 Reconnect the cable to A13J10 4 Disconnect the cable from A31J1052 5 Probe A31J1052 while executing self...

Страница 45: ...ltages are good at the origin replace the A31 Motherboard 4 If the supply voltages are bad at the origin troubleshoot the problem using that assembly s troubleshooting procedure 201 Tuning Bias Test 1...

Страница 46: ...pler 203 YO Loop Detector 1 With power on carefully remove the A5 Sampler connect a signal analyzer to J3 on the A31 Motherboard Set the signal generator to 8 GHz CW then check for an 8 GHz signal at...

Страница 47: ...specification troubleshoot the supply problem first 300 1 GHz Detector 1 Check and remove any connection to the 10 MHz external reference on the rear panel 2 If the signal generator continues to fail...

Страница 48: ...h the signal generator powered up carefully remove the A8 Output 2 Set the signal generator to 3 GHz CW 3 Using a spectrum analyzer measure the A6 Frac N RF output at J4 of the A8 Output The signal at...

Страница 49: ...is good at J10 change the cable 2 Measure the I signal from the A13 I Q Multiplexer a Reconnect the cable removed in Step 1 b Disconnect the cable from J1053 A31 Motherboard and connect it to the DVM...

Страница 50: ...A8 Output 410 Burst Mod Driver Test Replace the A8 Output 411 ALC Detector Test Replace the A8 Output 412 Het Band Test Measure the 1 GHz signal from the A7 Reference board 1 Turn on the signal genera...

Страница 51: ...tion troubleshoot the supply problem first Supply Voltage Vdc Connector Pins Minimum Value Vdc Maximum Value Vdc Origin 32 P112 6 31 04 32 96 Main Supply 15 P112 5 30 14 55 15 45 Main Supply 15 P112 4...

Страница 52: ...oltage should be approximately 1 3 Vdc If the voltage is approximately 1 3 Vdc replace the A9 YIG Driver 3 If the voltage is bad at J3 check it entering the A6 Frac N at P31 11 The voltage on J3 origi...

Страница 53: ...proceeding to the reported self test error code check the following voltages If any voltages are out of specification troubleshoot the supply problem first 700 Ref Voltage Replace the A6 Frac N 701 L...

Страница 54: ...er off remove the A6 Frac N and measure P33 15 again If the signal is good replace the A6 Frac N 3 If the signal is still bad measure P41 5 on the A7 Reference If the signal is good at P41 5 replace t...

Страница 55: ...P33 15 again If the signal is good replace the A6 Frac N 3 If the signal is still bad measure P41 5 on the A7 Reference If the signal is good at P41 5 replace the A31 Motherboard If the signal is bad...

Страница 56: ...s Before proceeding to the reported self test error code check the following voltages If any voltages are out of specification troubleshoot the supply problem first Supply Voltage Vdc Connector Pins M...

Страница 57: ...voltmeter If the signal is not present refer to lowband RF loop troubleshooting 2 If the signal is present check J3 for 0 29 Vdc a On the signal generator change the frequency to 10 GHz b Disconnect...

Страница 58: ...han 1 12 Vp p If the signal is present replace the A7 Reference 2 If the signal is not present the problem could be the 10 MHz Reference or the signal path from the 10 MHz Reference 3 Check the 10 MHz...

Страница 59: ...the end of the cable going to the A31 mother board at J1041 b If the signal is bad replace the cable c If the signal is good go to Step 5 5 Measure the ohmic resistance between the J1041 center pin a...

Страница 60: ...nnector pin listed in the following table 4 If the voltages are present on the A31 Motherboard turn power off remove the A18 CPU and inspect the connector If the pins look good replace the A18 CPU 5 I...

Страница 61: ...Doubler and connect the spectrum analyzer to this cable 4 Tune the source across the A29 20 GHz Doubler band of frequencies 3 2 GHz to 20 GHz and record the lowest power level 5 Determine the expecte...

Страница 62: ...the A27 40 GHz Doubler If either power level is bad troubleshoot the path 1204 RF Path This test checks for a dc voltage on the A10 ALC from the A23 Lowband Coupler Detector and A24 Highband Coupler...

Страница 63: ...the A31 Motherboard this is the pulse signal out of the A11 Pulse Analog Modulation Generator Change the pulse period to 1 ms and the pulse width to 500 s If the pulse is not present perform the A11 P...

Страница 64: ...bleshoot the supply problem first 1200 Power Supply 1 Press View Test Info and highlight Self Test 1200 Press View Details Supply Voltage Vdc E8267D Connector Pins All Other Models Connector Pins Mini...

Страница 65: ...roubleshoot that path If the power level in both paths is bad check the signal levels out of the A28 YIG Oscillator 1202 A29 20 GHz Doubler 1 Disconnect the cable between the A28 YIG Oscillator and th...

Страница 66: ...Pulse On 1 Disconnect the cable from J5 of the A10 ALC and connect the cable to a DVM this is the lowband detector output 2 On the signal generator set the following Center Frequency 3 GHz Power 20 dB...

Страница 67: ...cute a single 1206 self test The signal on the oscilloscope should pulse to approximately 0 5 Vdc for approximately 500 ms If the signal is bad refer to the A13 I Q Multiplexer troubleshooting 3 If th...

Страница 68: ...e IF signal frequency is mixed with the LO to produce the upconverted RF signal The IF signal will range in frequency from 5 73 GHz to 8 82 GHz The LO signal will range in frequency from 22 8 GHz to 3...

Страница 69: ...e A11 Pulse Analog Modulation Generator 1305 Not Used 1306 Standard 3 GHz Pulse Replace A11 Pulse Analog Modulation Generator 1307 High Performance 3 GHz Pulse Replace A11 Pulse Analog Modulation Gene...

Страница 70: ...the origin replace the A31 Motherboard If the supply voltage is bad at the origin troubleshoot the A19 Power Supply Power Supply Voltage Vdc A31 Motherboard Connector Pins Minimum Vdc Maximum Vdc Orig...

Страница 71: ...nerator 1607 Paren SH4 Comm Replace the A14 Baseband Generator 1608 VCO Tune Test If the 32 V 15V 5 2 V2 and 5 2V supply voltages are good on the motherboard use an oscilloscope to check the 10 MHz si...

Страница 72: ...ced recently and self test 2201 is failing run the ALC Mod Cal adjustment before replacing the A8 Output board See Chapter 4 Post Repair Procedures 1 With the signal generator powered on carefully rem...

Страница 73: ...eplace the A8 Output 2203 ALC Mod System Test Replace the A8 Output 2204 Pulse Mod System Test Replace the A8 Output 2205 RF Path Test Replace the A8 Output 2206 Het Band Test Replace the A8 Output Se...

Страница 74: ...ee a high power signal 20 dBm at 2 GHz on the spectrum analyzer If the signal is good replace the A38 Lowband Filter If the signal is troubleshoot the RF path 2402 Lowband Amp Filter Power Supply Repl...

Страница 75: ...e A43 Amp Filter 2502 Filter Path Test Replace the A43 Amp Filter 2503 Pulse Modulator Test Replace the A43 Amp Filter 2504 Step Attenuator Test Replace the A43 Amp Filter 2505 Divider On Off Test Rep...

Страница 76: ...ling run the ALC Mod Cal adjustment before replacing the A8 Output board See Chapter 4 Post Repair Procedures 1 With the signal generator powered on carefully remove the A8 Output 2 Set the signal gen...

Страница 77: ...A8 Output 2605 Bias Switch Test Replace the A8 Output 2606 Switched Filters Test Replace the A8 Output 2607 DAC Functionality Test Replace the A8 Output 2608 Het Band Test Replace the A8 Output Self...

Страница 78: ...essage The unlock message is immediately displayed on the front panel display There are four phase lock circuits in the frequency generation loop that can generate error messages These phase lock loop...

Страница 79: ...e indicates a failure on the A7 Reference Replace the A7 Reference 514 Reference Oven Cold The Reference Oven Cold Error message indicated the reference has not been connected to electrical power for...

Страница 80: ...not present at the assembly a Turn off the signal generator and disconnect the power cord b Replace the assembly 3 Reinstall the A5 Sampler 4 Replace W11 625 Internal Pulse Generator Unlock A 625 inte...

Страница 81: ...maximum leveled power The first step to troubleshooting a leveling problem is to verify the RF path power level Troubleshoot and correct any unlock problems before troubleshooting unleveled problems I...

Страница 82: ...1 1EA 1EU 250 kHz to 3 2 GHz 13 16 11 15 9 15 7 14 5 14 3 13 250 kHz to 3 2 GHz w UNW 11 11 10 10 9 10 7 9 5 9 3 8 250 kHz to 3 2 GHz w 1EHb b with filters switched out 13 13 11 12 9 12 7 11 5 11 3 10...

Страница 83: ...ctrum analyzer to the A23 Lowband Coupler Detector output Set the signal generator to 1 GHz Using the RPG adjust the amplitude level so the detected voltage on cable J5 of A10 ALC W14 is 0 117 Vdc Usi...

Страница 84: ...frequency to 19 GHz or a frequency where the signal generator is unleveled Connect a power meter or spectrum analyzer to the RF output connector Using the RPG adjust the power to the highest level po...

Страница 85: ...the RF output signal level to the level shown in the Maximum Leveled Power table The RF output level must be greater than the maximum specified power level If the maximum power level is not greater th...

Страница 86: ...alog Modulation Generator FM Path Offset Calibration A11 Pulse Analog Modulation Generator A6 Frac N FM In band Offset Calibration A6 Frac N FM Inverting Amplifier Offset Calibration A6 Frac N FM 1 2...

Страница 87: ...xer Bias Calibration A8 Output Lowband Digital Gain Adjust A8 Output IQ Power Floor A13 IQ Mux Target IQ Power A13 IQ Mux I F Corner A13 IQ Mux A8 Output A35 3 20 GHz IQ Modulator A37 Upconverter Upco...

Страница 88: ...est fails and all self tests pass use the following to find the most likely failure Performance test that is failing Action to perform Maximum Leveled Output Power Refer to Troubleshooting the RF Path...

Страница 89: ...nput power level into the part before replacing the part Verifying the minimum power into a part Locate a point on the RF path where output power is specified then use the Gain Loss table to calculate...

Страница 90: ...8 Output and probe the right hand mmx connector s center pin The power level should be 5 dBm WARNING Always turn the signal generator off before installing any assembly 7 If power levels look good thr...

Страница 91: ...odulation Generator Troubleshooting Problems 3 2 GHz 12 If the pulse modulation problem occurs 3 2 GHz remove the cable A30 Modulation Filter J7 W17 Probe the end of the cable Compare the results with...

Страница 92: ...set the signal generator and spectrum analyzer to the harmonic frequency and set the signal generator to a specified power level Measure the output signals peak power level on the spectrum analyzer T...

Страница 93: ...the A30 Modulation Filter J2 8 Set the signal generator and spectrum analyzer to the harmonic frequency then on the spectrum analyzer press marker peak search and then delta marker 9 Set the signal ge...

Страница 94: ...A37 20 44 GHz Upconverter J4 3 Set the spectrum analyzer to the harmonic frequency then press peak search and delta marker 4 Set the signal generator to the fundamental frequency of the harmonic 5 Usi...

Страница 95: ...er There should be a decrease in the harmonic power level from what was measured in step 3 at the output of the A30 Modulation Filter If there isn t or if the decrease is less than 15 dB replace the A...

Страница 96: ...uency offset are the same except for 100 Hz In non Option UNR UNX and instruments with serial prefixes US4805 MY4805 the most likely assembly for 100 Hz offset is the A7 Reference Sampler Spurs These...

Страница 97: ...e voltage 120 Vac or 240 Vac to regulated dc voltages Some of the required dc voltages are not directly available from the main power supply and are provided by re regulating one of the main power sup...

Страница 98: ...tage required by the display A backlight a bulb powered by the A4 Inverter lights the display so that information is visible The A18 CPU generates data which is routed to the LCD through the A3 Power...

Страница 99: ...Q input of the A37 Upconverter The output of the 40 GHz Doubler is then routed to the LO side of the A37 Upconverter Lowband Path Frequencies Below 3 2 GHz For frequencies below 3 2 GHz the YIG oscill...

Страница 100: ...voltage is proportional to the frequency error and routed to the A9 YIG Driver where it is summed with the pre tune DAC voltage causing the YIG s output frequency to change Once the phase of the two s...

Страница 101: ...eep compensation reference voltage is routed from the A9 YIG Driver assembly to the A10 ALC to improve leveling during sweep operation The A18 CPU controls the ALC reference correction DAC on the A9 Y...

Страница 102: ...m generator ARB The A14 Baseband Generator provides built in basic waveform creation capability QAM FSK PSK etc The ARB enables users to generate their own waveforms and download them for playback Opt...

Страница 103: ...ctor Reference Option UNR UNX Instruments with serial prefix US4805 MY4805 A32 10 MHz Crystal Oscillator Reference Standard 1 GHz 10 MHz GPIB LAN Auxiliary Interface Trigger In Trigger Out Sweep Out R...

Страница 104: ...on Generator YO Phase Lock A7 Reference AM Phase Lock Interface Pretune Sweep Generator Sweep Level Control 250 kHz to 3 2 GHz Low Band Pulse A12 Pulse Modulator Opt UNW AT1 115 dB Attenuator Wide I W...

Страница 105: ...VCO frequencies to the values necessary to generate a 5 GHz YIG Oscillator output The A29 20 GHz Doubler receives the output of the YIG oscillator and couples off and routes a portion of the signal to...

Страница 106: ...is divided by 4 and mixed with the other path to generate a 750 MHz signal The 750 MHz signal is then split into 2 paths one of which is divided down and input to a phase detector The other path goes...

Страница 107: ...erformance 10 MHz OCXO The A7 Reference contributes to phase noise between 100 Hz and 10 KHz See the A6 Frac N assembly description on page 1 94 for more information on phase noise A9 YIG Driver CW Mo...

Страница 108: ...quency correction required A28 YIG Oscillator YO The A28 YIG Oscillator output frequency 3 2 to 10 GHz is controlled by the amount of current through the main and FM coils The main coil is used to set...

Страница 109: ...d 57n 67d_ref_synth loop X2 Doubler 3 10 10 20 5 10 3 20 Limiter 3 10 3 10 3 10 A29 20 GHz Doubler 750 MHz 16 20 13 16 10 13 to A5 Sampler 3 2 10 GHz 7 dBm to A6 Frac N 3 2 10 GHz 7 dBm 3 2 20 GHz H_S...

Страница 110: ...F output is generated using the A37 Upconverter The A37 Upconverter contains a mixer band pass filters ALC and pulse modulation diodes and amplifiers The A27 40 GHz Doubler is used to generate a 20 to...

Страница 111: ...sed on is achieved by applying 5 Vdc to the pulse circuitry on the A8 Output 5 Vdc turns the RF signal on removing the 5Vdc turns the RF signal off In instruments with Option UNW fast pulse the pulse...

Страница 112: ...tes 10 to 20 GHz signals to the 40 GHz Doubler After doubling band pass filters eliminate unwanted harmonics In analog models the 40 GHz output is routed to the A24 Highband Coupler and A25 High Band...

Страница 113: ...ctor is located in the 20 GHz to 40 GHz path and the other is located in the 40 GHz path The ALC modulator drive signal from the A10 ALC board is routed to the A36 Quadraplier to control the power lev...

Страница 114: ...detector so the level control voltage is provided by the external detector The external detector must be a negative detector to provide the correct polarity for the A10 ALC In standard instruments th...

Страница 115: ...commended to stay in search mode for extended periods of time without closing the loop and refreshing the ALC diode drive voltage Digital Modulation Digital modulation is produced using portions of th...

Страница 116: ...2 FPGA Modulator Filter and finally to the output section I and Q DACs at the output convert the digital waveform data to analog The I and Q output DACs are driven by a sample clock generated by an on...

Страница 117: ...Hz J3 to J2 3 2 to 20 GHz Loss 8 1 2 5 9 A24 Highband Coupler 3 2 GHz 2 20 GHz 20 GHz Loss 2 5 0 5 2 5 10 AT1 0 dB step Loss 2 5 11 A36 Quadraplier N A see Troubleshoot ing Unlevels 12 A37 Upconverter...

Страница 118: ...LC Hold L_Open Loop H_LIN_AM H_BURST LVL_DAC Delay H_BELOW_3 2GHZ ALCMODGAIN_DAC Dual Slope Log Amp HIPWRCAL_DAC LOG_BRKPT_DAC DET_OFS_DAC H_DET_LPF 1 kHz Hiband Detector Loband Detector External Dete...

Страница 119: ...log RF Path Analog Models Over 40 GHz Service Guide E8251 90359 A30 Modulator Filter from A11 Pulse Analog Modulation Generator 3 2 20 GHz ALC Mod from A10 ALC Prelevel DAC Prelevel Loop ALC Pulse ALC...

Страница 120: ...t Board 10 250 MHz 25 2 GHz 200 MHz Pulse 0 25 3 2 GHz Driver Power Amp 2 GHz 2N 2N 1 2 6 Dividers below 250 MHz 1 ALC Control 0 3 2 GHz A43 Amp Filter Board 5 6 6 5 2 4 5 6 1 2 4 1 3 4 1 4 1 5 25 3 2...

Страница 121: ...STO FM ADC FM DAC A9 YIG DRIVER BOARD A45 FRAC N BOARD FM Input from MOD GEN BOARD A11 FCOMB FYIG FSTEP Mode A Mode B FFN 3200 to 10000 MHz A46 OFFSET BOARD VCO Multiply FOSL_REF FYOL_REF 2 8 X2 X2 X2...

Страница 122: ...7 Upconverter VIDEO_OUT_EN_L SYNC_OUT_EN_L Sync Out A Bus I INPUT A Bus A Bus Video Out 50 PG_PULSE_REP_INTERVAL PG_PULSE_REP_INTERVAL PG_TRIGGER_INVERT PG_MODE PG_VIDEO_BEGIN PG_VIDEO_END PG_SYNC_BEG...

Страница 123: ...Micro Interface Deck A27 40 GHz Doubler A37 20 44 GHz Upconverter from A10 ALC from A11 Pulse Analog Modulation Generator UPC_BYPASS_L UPC_LPF_SEL UPC_PLS_ENB_L UPC_AMP_ON_H UPC_BPF_SEL DBL40_AMP DBL...

Страница 124: ...p Swp Prelevel Analog Bypass A35 3 20 GHz IQ Modulator uckt Gain Adj Corax Narrowband with Fireblade Wideband A43 Amp Filter Board 0 3 2 GHz LB Step Atten 10 MHz 10 250 MHz 25 2 GHz 200 MHz Pulse Driv...

Страница 125: ...PU 4 The A18 CPU compares the detected dc level to the test limit If the detected value is within the limits the A18 CPU reports a pass 5 If one or more detected values fall outside the limits the mos...

Страница 126: ...ou are having problems with an option upgrade What option s are you trying to install Describe the problem If you suspect a hardware problem Self test results Pass Fail Reported self test failure Erro...

Страница 127: ...57D 67D E8663D PSG Signal Generators Service Guide Troubleshooting Contacting Agilent Technologies 1 123 If you are having a problem with an application Describe what you want to do Describe the probl...

Страница 128: ...o accommodate the signal generator and allow at least 3 to 4 inches on all sides of the signal generator for packing material CAUTION Signal generator damage can result from using packaging materials...

Страница 129: ...order go to the Agilent Technologies Technical Support website http www agilent com find techsupport Frequency Hardware and Personality Options This section lists the options available with an Agilen...

Страница 130: ...to DSIM E8267D Only 004 Adds digital inputs to DSIM E8267D Only 005 Discontinued Adds 6 GB hard drive Option 601 602 required E8267D Only 007 Adds analog ramp sweep 008 Adds 8 GB flash drive E8257D a...

Страница 131: ...2 13 or A7 Reference Option UNR E8251 60048 2 9 2 10 and 2 11 E8251 60048 2 12 and 2 13 or A7 Reference Option UNX and instruments with serial prefixes US4805 MY4805 E8251 60648 2 9 2 10 and 2 11 E82...

Страница 132: ...18 A23 Lowband Coupler Detector E8251 60442 2 9 2 10 2 11 and 2 14 E8251 60444 2 12 2 13 2 15 and 2 18 A24 20 GHz Highband Coupler Option 503 509 and 520 0955 0148 2 9 and 2 14 0955 0148 2 12 and 2 15...

Страница 133: ...Crystal Oscillator Option UNR Discontinued E8251 60071 2 9 2 10 and 2 11 E8251 60071 2 12 and 2 13 A33 3 5 6 dB PAD E8257D Option 521 and E8267D Option 520 08493 60026 2 10 and 2 15 08493 60026 2 12 A...

Страница 134: ...and 2 11 E8251 60437 A46 Offset Loop Option UNY E8251 60438 2 9 2 10 and 2 11 E8251 60438 AT1 115 dB Mechanical Attenuator Options 503 509 520 521 532 540 and 544 33328 60006 2 9 2 10 2 14 2 15 and 2...

Страница 135: ...e Replaceable Parts Assemblies and Hardware Options 2 7 Assemblies from the Inside Front Panel View Figure 2 1 Assemblies from the Inside Front Panel View for with serial prefixes US MY5XXX3XXX1 1 App...

Страница 136: ...8257D 67D E8663D PSG Signal Generators Service Guide Replaceable Parts Assemblies and Hardware Options 2 8 Figure 2 2 Assemblies from the Inside Front Panel View for with serial prefixes US MY5XXX3XXX...

Страница 137: ...nd Hardware Options 2 9 Figure 2 3 Assemblies from a Top View E8257D Option 520 540 and E8663D A8 A7 A9 A10 A11 A6 A5 A19 A32 Option UNR UNX UNY B1 A18 A20 AT1 Option 1E1 A25 A24 A23 A26 A27 A25B Opti...

Страница 138: ...laceable Parts Assemblies and Hardware Options 2 10 Figure 2 4 Assemblies from a Top View E8257D Option 521 A8 A7 A9 A10 A11 A6 A5 A19 A32 Option UNX UNY B1 A18 A40 AT1 Option 1E1 A25 A24 A23 A26 A25B...

Страница 139: ...emblies and Hardware Options 2 11 Figure 2 5 Assemblies from a Top View E8257D Option 550 567 A32 Option UNR UNX UNY B1 A20 A19 A18 A26 A36 A25 A24 A25B AT1 Option 1E1 A23 A8 A7 A9 A10 A11 A6 A5 A38 i...

Страница 140: ...s and Hardware Options 2 12 Figure 2 6 Assemblies from a Top View E8267D Option 520 A32 Option UNR UNX UNY A20 B1 A40 A19 A13 A14 A18 A25B A25 A24 A33 A26 AT1 A11 A8 A7 A9 A10 A6 A5 instruments with s...

Страница 141: ...e 2 7 Assemblies from a Top View E8267D Option 532 544 A32 Option UNR UNX UNY A20 A17 A34 B1 A26 A19 A18 A27 A13 A14 A38 A37 A25 A24 A33 A25B A23 AT1 A39 A11 A8 A7 A9 A10 A6 A5 Options 532 544 Only un...

Страница 142: ...s Assemblies and Hardware Options 2 14 Figure 2 8 Assemblies from a Microcircuit Deck View E8257D Option 520 540 and E8663D Figure 2 9 Assemblies from a Microcircuit Deck View E8257D Option 521 A27 A2...

Страница 143: ...eable Parts Assemblies and Hardware Options 2 15 Figure 2 10 Assemblies from a Microcircuit Deck View E8257D Option 550 567 Figure 2 11 Assemblies from a Microcircuit Deck View E8267D Option 520 A26 A...

Страница 144: ...63D PSG Signal Generators Service Guide Replaceable Parts Assemblies and Hardware Options 2 16 Figure 2 12 Assemblies from a Microcircuit Deck View E8267D Option 532 544 A26 A28 A23 AT1 A39 A25 A33 A2...

Страница 145: ...8663D PSG Signal Generators Service Guide Replaceable Parts Assemblies and Hardware Options 2 17 Figure 2 13 Assemblies from a Bottom View E8257D and E8663D A30 A29 A28 A23 AT1 B1 A31 A21 A22 A42 Opti...

Страница 146: ...E8257D 67D E8663D PSG Signal Generators Service Guide Replaceable Parts Assemblies and Hardware Options 2 18 Figure 2 14 Assemblies from a Bottom View E8267D A30 A29 A21 A35 A28 A23 AT1 A12 A22 B1 A31...

Страница 147: ...E8257D 67D E8663D PSG Signal Generators Service Guide Replaceable Parts Assemblies and Hardware Options 2 19 A18BT1 Lithium Battery Figure 2 15 A18BT1 Lithium Battery A18 A18BT1...

Страница 148: ...P251 part of B1 W1 Front Panel EXT 1 A11J401 8121 0628 W2 Front Panel EXT 2 A11J402 8121 0628 W3 Front Panel LF OUTPUT A11J403 8121 0628 W4 Front Panel ALC INPUT A10J4 8121 0859 W5 Front Panel PULSE T...

Страница 149: ...8121 0616 W29 A27J10 A26J33 8121 0613 W30 Option 540 A27J2 A24 Highband Coupler input E8251 20024 W31 Option 540 A27J3 A30J2 E8251 20023 W32 Option 540 A27J1 A30J4 E8251 20022 W33 A26J32 A29J10 8121...

Страница 150: ...CLOCK A31J501 8121 0628 W53 E8267D Front Panel SYMBOL SYNC A31J502 8121 0628 W54 A9J9 A31J1032 8121 0624 W55 A10J304 Rear Panel SOURCE MOD INTERFACE 8121 0636 W56 E8267D A13J14 Rear Panel Q OUT 8121...

Страница 151: ...A30J2 E8251 20021 W75 Semi Rigid Cable A23 Lowband Coupler Detector A12 Pulse Modulator Board E8251 20033 W76 Semi Rigid Cable A12 Pulse Modulator Board A31 Motherboard Lowband Switch Filter out E8251...

Страница 152: ...Highband Coupler output 1 85 mm RF Output connector models without Option 1E1 E8251 20318 W92 Option 550 567 Semi Rigid Cable AT1 115 dB Mechanical Attenuator output 1 85 mm RF Output connector E8251...

Страница 153: ...Directional Sweep Coupler out E8251 20308 W116 Options 532 544 A27J10 A26J36 8121 1285 W117 Options 550 567 Semi Rigid Cable A24 67 GHz High band Coupler output AT1 90 dB Mechanical Attenuator input...

Страница 154: ...8120 5068 W136g E8267D only A18P2 A40 Compact Flash PCA 8182 1807 aThis cable is not replaceable by itself You must order the corresponding assembly bRequires firmware version C 04 71 or greater c Fo...

Страница 155: ...T A11J403 8121 0628 W4 Front Panel ALC INPUT A10J4 8121 0609 W5 Front Panel PULSE TRIGGER GATE INPUT A11J201 8121 0625 W6 Front Panel PULSE VIDEO OUT A11J203 8121 0625 W7 Front Panel PULSE SYNC OUT A1...

Страница 156: ...121 0613 W30 Option 540 A27J2 A24 Highband Coupler input E8251 20024 W31 Option 540 A27J3 A30J2 E8251 20023 W32 Option 540 A27J1 A30J4 E8251 20022 W33 A26J32 A29J10 8121 0613 W34 A26J31 A30J10 8121 06...

Страница 157: ...NC A31J502 8121 0628 W54 A9J9 A31J1032 8121 0624 W55 A10J304 Rear Panel SOURCE MOD INTERFACE 8121 0636 W56 E8267D A13J14 Rear Panel Q OUT 8121 0901 W57 E8267D A13J13 Rear Panel I OUT 8121 0901 W58 E82...

Страница 158: ...ector A12 Pulse Modulator Board E8251 20033 W76 Semi Rigid Cable A12 Pulse Modulator Board A31 Motherboard Lowband Switch Filter out E8251 20334 W77 E8267D A29J2 A35J1 E8251 20018 W78 E8267D A35 I Q M...

Страница 159: ...z Highband Coupler output 1 85 mm RF Output connector models without Option 1E1 E8251 20318 W92 Option 550 567 Semi Rigid Cable AT1 115 dB Mechanical Attenuator output 1 85 mm RF Output connector E825...

Страница 160: ...i Rigid Cable A24 67 GHz Highband Coupler E8251 20315 W113 Options 550 567 A36J10 A26J34 8121 1240 ribbon W114 Options 532 544 A11J206 A37J9 8121 6990 W115 E8267D Options 532 544 A39 Directional Sweep...

Страница 161: ...267D with Option 016 A13J18 A35J107 8121 1616 W129e E8267D with Option 016 A13J21 A35J108 8121 1616 W130e E8267D with Option 016 A13J22 A35J106 8121 1616 W131f E8267D with Option 016 A13J9 A31J1053 81...

Страница 162: ...Semi Rigid Cable AM MOD BIAS Semi Rigid Cable A29J2 E8251 20366 W150 E8663D and Option E8257D 520 Semi Rigid Cable A30J1 Semi Rigid Cable A44J5 E8251 20367 W151 E8663D and Option E8257D 520 Ribbon Cab...

Страница 163: ...0GHz 40GHz Highband Coupler and A25B Highband Detector Bias Board Options 503 509 520 and 540 on page 2 45 Disassembled A24 50GHz Highband Coupler and A25B Highband Detector Bias Board on page 2 47 Di...

Страница 164: ...0 GHz 1 E8251 80030 Nameplate E8267D 20 GHz 1 E8251 80024 Nameplate E8267D 32 GHz 1 E8251 80025 Nameplate E8267D 44 GHz 1 E8251 80026 Nameplate E8663D 3 GHz 1 E8663 80001 Nameplate E8663D 9 GHz 1 E866...

Страница 165: ...E8257D 67D E8663D PSG Signal Generators Service Guide Replaceable Parts Assemblies and Hardware Options 2 37 Figure 2 16 Front Panel View...

Страница 166: ...und Mesh 125 inch 1 8160 0660 3 Gasket RFI Round Mesh 062 inch 1 8160 0723 4 Velcro Attachment 1 0510 1303 5 Glass Filter 70 Xmt 1 4330 6704 6 Rubber Keypad Analog E8257D E8663D 1 E8251 40006 Rubber K...

Страница 167: ...E8257D 67D E8663D PSG Signal Generators Service Guide Replaceable Parts Assemblies and Hardware Options 2 39 Figure 2 17 Disassembled Front Panel View...

Страница 168: ...ear panel board 6 2950 0054 7 Washer Lock 505ID 6 BNC connectors on rear panel 6 2190 0068 8 Nut Hex 15 32 32 10 MHz In Out BNC connectors E8257D E8663D E8267D 9 26 2950 0035 9 Washer 490ID 10 MHz In...

Страница 169: ...E8257D 67D E8663D PSG Signal Generators Service Guide Replaceable Parts Assemblies and Hardware Options 2 41 Figure 2 18 E8257D E8663D Disassembled Rear Panel View...

Страница 170: ...E8257D 67D E8663D PSG Signal Generators Service Guide Replaceable Parts Assemblies and Hardware Options 2 42 Figure 2 19 E8267D Disassembled Rear Panel View...

Страница 171: ...scillator Option UNR UNX and Instruments with Serial Prefixes US4805 MY4805 Table 2 6 Disassembled A32 10 MHz Crystal Oscillator Option UNR UNX Item No Description Qty Part Number 1 C Bracket 1 E8251...

Страница 172: ...ptions 2 44 Disassembled AT1 90dB 115dB Attenuator View Option 1E1 Figure 2 21 Disassembled AT1 90dB 115dB Attenuator View Option 1E1 Table 2 7 Disassembled AT1 115 dB Attenuator View Option 1E1 Item...

Страница 173: ...503 509 520 and 540 Figure 2 22 Disassembled A24 20GHz 40GHz Highband Coupler and A25B Highband Detector Bias Board Table 2 8 Disassembled A24 20 GHz 40 GHz Highband Coupler and A25B Highband Detector...

Страница 174: ...tor Bias Board Option 521 Figure 2 23 Disassembled A24 20GHz Highband Coupler and A25B Highband Detector Bias Board Option 521 Table 2 9 Disassembled A24 67GHz Highband Coupler and A25 Highband Detect...

Страница 175: ...nd Detector Bias Board Figure 2 24 Disassembled A24 50GHz Highband Coupler and A25B Highband Detector Bias Board Table 2 10 Disassembled A24 50GHz Highband Coupler and A25 Highband Detector Item No De...

Страница 176: ...nd Detector Bias Board Figure 2 25 Disassembled A24 67GHz Highband Coupler and A25B Highband Detector Bias Board Table 2 11 Disassembled A24 67GHz Highband Coupler and A25 Highband Detector Item No De...

Страница 177: ...ions 2 49 Microcircuit Interface Deck Top View Figure 2 26 E8257D E8663D Microcircuit Interface Deck Top View Figure 2 27 E8267D Microcircuit Interface Deck Top View Table 2 12 Microcircuit Interface...

Страница 178: ...Cable Retainer Clip E8257D E8663D E8267D 3 8 E8251 40001 3 Screw Machine M30 x 8 CW PN TX A31 Motherboard to main chassis 15 0515 0372 4 Screw Machine M30 x 8 CW PN TX A28 YIG Oscillator to MID 2 0515...

Страница 179: ...663D PSG Signal Generators Service Guide Replaceable Parts Assemblies and Hardware Options 2 51 Figure 2 28 Main Chassis and MID Bottom View E8257D E8663D 1 2 3 places 4 6 3 2 places 2 places 3 places...

Страница 180: ...3D PSG Signal Generators Service Guide Replaceable Parts Assemblies and Hardware Options 2 52 Figure 2 29 Main Chassis and MID Bottom View E8267D 1 2 8 places 4 2 places 6 2 places 3 places 5 3 15 pla...

Страница 181: ...RF Output Connector Option 567 Only Table 2 14 1 85 mm RF Output Connector Option 567 Only Item No Description Qty Part Number 1 Adapter Male 1 85 mm 1 5065 9852 2 Adapter Bracket 1 E8251 00216 3 Scre...

Страница 182: ...ut Connector Figure 2 31 2 4 mm RF Output Connector Table 2 15 2 4 mm RF Output Connector Item No Description Qty Part Number 1 Adapter Male 2 4 mm 1 5063 1700 2 Adapter Bracket 1 E8251 00216 3 Screw...

Страница 183: ...F Output Connector Option 520 Only Table 2 16 APC 3 5 RF Output Connector Option 520 Only Item No Description Qty Part Number 1 Adapter Male APC 3 5 1 08673 60040 2 Spacer APC 3 5 1 E8251 20068 3 Adap...

Страница 184: ...dels Only Figure 2 33 Type N RF Output Connector Option 1ED Models Only Table 2 17 Type N RF Output Connector Option 1ED Models Only Item No Description Qty Part Number 1 Adapter Type N f 1 08559 6000...

Страница 185: ...8257D E8663D 1 E8251 00342 Main Chassis Inside Top Cover E8267D 1 E8251 00208 2 Screw Machine M3 0 x 08 FL TX inside top cover to main chassis and rear panel 9 0515 0430 3 Screw Machine M3 0 x 08 CW P...

Страница 186: ...trument Covers and Associated Parts Item No Description Qty Part Number 1 Assy Strap Handle includes the following parts 1 E8251 60067 Strap Assembly 1 Ground Spring 2 Handle Retainer 2 End Cap 2 Scre...

Страница 187: ...r accessing A31 Motherboard coax connectors E8251 20088 Adapter 2 4 mm F 2 4 mm F 33311 82005 Adapter Coax STR F 2 4 mm F K 1250 2187 Adapter 3 5 mm F Type N M 1250 1744 Adapter 1 85 mm F 1 85 mm F 85...

Страница 188: ...ESD Protective Supplies Description Part Number ESD connector end cap front panel RF output 1401 0247 ESD connector end cap rear panel SMI 1252 4690 ESD connector end cap GPIB 1252 5007 ESD connector...

Страница 189: ...AT attenuator B fan DS lamp J electrical connector jack W cable transmission path wire Abbreviation Definition BN buttonhead screws CPU central processing unit CW conical washer screws EXT external FL...

Страница 190: ...E8257D 67D E8663D PSG Signal Generators Service Guide Replaceable Parts Assemblies and Hardware Options 2 62...

Страница 191: ...ber prefix US MY5XXX3XXX only on page 3 17 A3 Power Switch on page 3 19 A4 Inverter serial number prefix US MY5XXX3XXX only on page 3 22 A5 Sampler A6 Frac N A7 Reference Standard and Option UNR UNX U...

Страница 192: ...page 3 82 A31 Motherboard E8257D E8663D on page 3 84 A31 Motherboard E8267D on page 3 86 A32 10 MHz Crystal Oscillator on page 3 88 A33 6dB PAD Options 503 509 520 and 521 on page 3 90 A33 10dB PAD Op...

Страница 193: ...E8257D 67D E8663D PSG Signal Generators Service Guide Assembly Replacement Assemblies That You Can Replace 3 3 This page intentionally left blank...

Страница 194: ...screws 1 and remove the strap handle 2 3 Using the T 15 driver remove the center screws 3 from the four rear panel feet 4 4 Remove the four bottom feet 5 from the cover by lifting the tab and sliding...

Страница 195: ...E8257D 67D E8663D PSG Signal Generators Service Guide Assembly Replacement Outer Instrument Cover 3 5 Figure 3 1 Outer Instrument Cover Removal...

Страница 196: ...e 1 Disconnect the power cord 2 Remove the outer cover from the signal generator Refer to Outer Instrument Cover on page 3 4 3 Place the signal generator flat and upright with the front panel facing y...

Страница 197: ...E8257D 67D E8663D PSG Signal Generators Service Guide Assembly Replacement Inner Instrument Cover 3 7 Figure 3 2 Inner Instrument Cover Removal 1 2...

Страница 198: ...e following flexible cables W1 EXT 1 INPUT from the A11 Pulse Analog Modulation Generator J401 non 1EM signal generators only W2 EXT 2 INPUT from the A11 Pulse Analog Modulation Generator J402 non 1EM...

Страница 199: ...rder of the removal procedure 2 Torque all T 10 screws to 9 in lbs 3 Torque all T 15 screws to 21 in lbs 4 Perform the post repair adjustments and performance tests that pertain to this removal proced...

Страница 200: ...E8257D 67D E8663D PSG Signal Generators Service Guide Assembly Replacement Front Panel 3 10 Figure 3 4 Front Panel Removal with serial prefixes US MY5XXX3XXX...

Страница 201: ...2 Display 4 Disconnect the W8 ribbon cable from the A3 Power Switch by lifting the white tabs on the connector 5 Using the T 10 driver remove the four screws 12 from the A3 Power Switch 6 Remove the A...

Страница 202: ...7D E8663D PSG Signal Generators Service Guide Assembly Replacement A1 Keyboard 3 12 Figure 3 5 A1 Keyboard Removal with serial prefixes US MY5XXX3XXX1 1 Applicable if the A2 does not have the most cur...

Страница 203: ...E8257D 67D E8663D PSG Signal Generators Service Guide Assembly Replacement A1 Keyboard 3 13 Figure 3 6 A1 Keyboard Removal with serial prefixes US MY5XXX3XXX...

Страница 204: ...ber prefix US MY5XXX3XXX disconnect the A2W1 cable from the A2 Display 4 Disconnect the W8 ribbon cable from the A3 Power Switch by lifting the white tabs on the connector 5 Using the T 10 driver remo...

Страница 205: ...67D E8663D PSG Signal Generators Service Guide Assembly Replacement A2 Display 3 15 Figure 3 7 A2 Display Removal with serial prefixes US MY5XXX3XXX1 1 Applicable if the A2 does not have the most curr...

Страница 206: ...E8257D 67D E8663D PSG Signal Generators Service Guide Assembly Replacement A2 Display 3 16 Figure 3 8 A2 Display Removal with serial prefixes US MY5XXX3XXX...

Страница 207: ...four screws 12 from the A3 Power Switch 6 Remove the A3 Power Switch 7 Using the T 10 driver remove the ten screws 11 that secure the RFI shielding 10 to the front panel 8 Remove the metal shielding 9...

Страница 208: ...E8257D 67D E8663D PSG Signal Generators Service Guide Assembly Replacement A2DS1 Display Backlight serial number prefix US MY5XXX3XXX only 3 18 Figure 3 9 A2DS1 Display Backlight Removal...

Страница 209: ...5XXX3XXX 1 Disconnect the power cord 2 Remove the front panel Refer to Front Panel on page 3 8 3 Disconnect the W8 ribbon cable from the A3 Power Switch by lifting the white tabs on the connector 4 Us...

Страница 210: ...3D PSG Signal Generators Service Guide Assembly Replacement A3 Power Switch 3 20 Figure 3 10 A3 Power Switch Removal with serial number prefix US MY5XXX3XXX1 1 Applicable if the A2 does not have the m...

Страница 211: ...E8257D 67D E8663D PSG Signal Generators Service Guide Assembly Replacement A3 Power Switch 3 21 Figure 3 11 A3 Power Switch Removal with serial number prefix US MY5XXX3XXX...

Страница 212: ...l Refer to Front Panel on page 3 8 3 Disconnect the A4W1 cable from the A31 Motherboard P12 4 Disconnect the A2DSW1 cable from the A4 Inverter CAUTION The A4 Inverter is fragile and can be damaged whe...

Страница 213: ...2 Remove the covers from the signal generator Refer to Outer Instrument Cover on page 3 4 and Inner Instrument Cover on page 3 6 3 Position the signal generator with the front panel facing you 4 Lift...

Страница 214: ...nt Cover on page 3 6 3 Position the signal generator with the front panel facing you 4 Disconnect the W12 ribbon cable from A9J5 5 Using the needle nose pliers disconnect the following flexible cables...

Страница 215: ...E8257D 67D E8663D PSG Signal Generators Service Guide Assembly Replacement A9 YIG Driver 3 25 Figure 3 14 A9 YIG Driver W12 A9J5 W10 A9J3 W11 A9J4 W54 A9J9 A9...

Страница 216: ...needle nose pliers disconnect the following flexible cables W15 from A10J3 W14 from A10J5 W4 from A10J4 W55 from A10J304 W13 from A10J201 W95 from A10J202 W111 from A10J203 Option 532 544 W110 from A...

Страница 217: ...ors Service Guide Assembly Replacement A10 ALC 3 27 Figure 3 15 A10 ALC W122 A10J303 W15 A10J3 W13 A10J201 W55 A10J304 W4 A10J4 W14 A10J5 Option 550 567 W95 A10J202 W111 A10J203 Option 550 567 Option...

Страница 218: ...n the signal generator with the front panel facing you 4 Using the needle nose pliers disconnect the following flexible cables W1 from A11J401 W2 from A11J402 W3 from A11J403 W5 from A11J201 W96 from...

Страница 219: ...rs Service Guide Assembly Replacement A11 Pulse Analog Modulation Generator 3 29 Figure 3 16 A11 Pulse Analog Modulation Generator W16 A11J204 W6 A11J203 W7 A11J202 W17 A11J205 W5 A11J201 W1 A11J401 W...

Страница 220: ...A31 Motherboard is facing you and the RF deck is on top 4 Using the 5 16 open ended wrench disconnect the W16 W75 and W76 RF cables from the A12 Pulse Modulator Board 5 Disconnect the W69 ribbon cable...

Страница 221: ...E8257D 67D E8663D PSG Signal Generators Service Guide Assembly Replacement A12 Pulse Modulator Board 3 31 Figure 3 17 A12 Pulse Modulator Board W76 W75 A12 W69 W16 1...

Страница 222: ...n the signal generator with the front panel facing you 4 Using the T 10 driver remove the four screws from the Baseband Generator cover 5 Using the needle nose pliers disconnect the following flexible...

Страница 223: ...A13 I Q MUX E8267D Standard or with Option 015 Serial Prefixes US4722 MY4722 3 33 Figure 3 18 A13 I Q MUX E8267D Standard or with Option 015 Serial Prefixes US4722 MY4722 W58 A13J12 W59 A13J11 W63 A13...

Страница 224: ...e T 10 driver remove the four screws from the Baseband Generator cover 5 Using the needle nose pliers disconnect the following flexible cables W63 from A13J5 W62from A13J6 W49 from A13J7 W50 from A13J...

Страница 225: ...Serial Prefixes US4722 MY4722 3 35 Figure 3 19 A13 I Q MUX E8267D Standard or with Option 016 Serial Prefixes US4722 MY4722 W58 A13J12 W59 A13J11 W63 A13J5 W62 A13J6 W131 A13J9 W49 A13J7 W57 A13J13 W1...

Страница 226: ...signal generator with the front panel facing you 4 Using the T 10 driver remove the four screws from the Baseband Generator cover 5 Using the needle nose pliers disconnect the W65 flexible cable from...

Страница 227: ...E8257D 67D E8663D PSG Signal Generators Service Guide Assembly Replacement A14 Baseband Generator E8267D Only 3 37 Figure 3 20 A14 Baseband Generator W65 A14J800 W64 A14J13 A14 W90 A14J21...

Страница 228: ...ndard on page 3 94 or Rear Panel Option 1EM on page 3 96 4 Disconnect the W64 ribbon cable from A17P2 5 Disconnect the W90 ribbon cable from A17P1 6 Using the needle nose pliers disconnect the W68 wir...

Страница 229: ...57D 67D E8663D PSG Signal Generators Service Guide Assembly Replacement A17 Baseband Generator Interface E8267D Only 3 39 Figure 3 21 A17 Rear Panel Interface Board W68 A17P4 2 1 W64 A17P2 A17 W90 A17...

Страница 230: ...front panel facing you 4 Using the T 10 driver remove the four screws from the Baseband Generator cover E8267D Only 5 Disconnect the following ribbon cables W19 from A18J2 W66 from A18P2 E8267D only...

Страница 231: ...E8257D 67D E8663D PSG Signal Generators Service Guide Assembly Replacement A18 CPU 3 41 Figure 3 22 A18 CPU W18 A18J1 E8267D W66 A18P2 W19 A18J2 E8267D W64 A14J13 E8267D W90 A14J21 A18...

Страница 232: ...the signal generator with the front panel facing you 4 Using the T 10 driver remove the four screws from the Baseband Generator cover 5 Disconnect the following ribbon cables W19 from A18J2 W66 from...

Страница 233: ...E8257D 67D E8663D PSG Signal Generators Service Guide Assembly Replacement A18BT1 3 43 Figure 3 23 A18BT1 E8267D W64 A14J13 E8267D W66 A18P2 W19 A18J2 W18 A18J1 E8267D W90 A14J21...

Страница 234: ...from the power supply 8 Using the T 10 driver remove the screw securing the A22W2 to the A19 Power Supply 9 Position the signal generator with the A31 Motherboard flat on the work surface and the rea...

Страница 235: ...E8257D 67D E8663D PSG Signal Generators Service Guide Assembly Replacement A19 Power Supply 3 45 Figure 3 24 A19 Power Supply Removal 1 2 A22W1 A22W2 W18 A18J1 W66 A18J2 W20 W64 A14J13 A19 4 3...

Страница 236: ...uter Instrument Cover on page 3 4 and Inner Instrument Cover on page 3 6 3 Using the needle nose pliers disconnect the W55 flexible cable from the A10 ALC J303 4 Disconnect the W20 ribbon cable from t...

Страница 237: ...E8257D 67D E8663D PSG Signal Generators Service Guide Assembly Replacement A20 SMI Source Module Interface 3 47 Figure 3 25 A20 SMI...

Страница 238: ...ove the nuts and washers securing the six BNC connectors 1 at the base of the rear panel 5 Using the 5 0 mm hex nut driver remove the screws 2 from the RS 232 port 6 Using the 7 0 mm hex nut driver re...

Страница 239: ...E8257D 67D E8663D PSG Signal Generators Service Guide Assembly Replacement A21 Rear Panel Interface 3 49 Figure 3 26 A21 Rear Panel Interface...

Страница 240: ...2 10 MHz Crystal Oscillator on page 3 88 to remove the assembly 5 Using the T 10 driver remove the two screws 1 that attach the A22 Line Module to the rear panel 6 Using the 5 0 mm wrench remove the n...

Страница 241: ...E8257D 67D E8663D PSG Signal Generators Service Guide Assembly Replacement A22 Line Module 3 51 Figure 3 27 A22 Line Module Removal...

Страница 242: ...to the A23 Lowband Coupler Detector 6 Using the 5 16 open ended wrench disconnect the following RF cable according to the signal generator you have E8257D E8663D Disconnect the W37 RF cable from the A...

Страница 243: ...E8257D 67D E8663D PSG Signal Generators Service Guide Assembly Replacement A23 Lowband Coupler Detector 3 53 Figure 3 28 A23 Lowband Coupler Detector 1 E8257D E8663D W37 A23 E8267D W75...

Страница 244: ...n ended wrench disconnect the following RF cables according to the signal generator you have Standard Options 503 509 and 520 Disconnect W74 and W24 or W133 instruments without Option 1E1 not shown RF...

Страница 245: ...acement A24 20 GHz Highband Coupler Options 503 509 520 and 521 3 55 Figure 3 29 A24 20 GHz Highband Coupler Options 503 509 and 520 Standard Figure 3 30 A24 20 GHz Highband Coupler Options 503 509 an...

Страница 246: ...e Assembly Replacement A24 20 GHz Highband Coupler Options 503 509 520 and 521 3 56 Figure 3 31 A24 20 GHz Highband Coupler Option 521 Standard Figure 3 32 A24 20 GHz Highband Coupler Option 521 Optio...

Страница 247: ...E8257D 67D E8663D PSG Signal Generators Service Guide Assembly Replacement A24 20 GHz Highband Coupler Options 503 509 520 and 521 3 57 This page intentionally left blank...

Страница 248: ...Using the 5 16 open ended wrench disconnect the following cables according to the signal generator you have Standard Disconnect W30 and W24 or W26 instruments without Option 1E1 not shown RF cables f...

Страница 249: ...e Guide Assembly Replacement A24 40 GHz Highband Coupler Option 540 3 59 Figure 3 33 A24 40 GHz Highband Coupler Option 540 Standard Figure 3 34 A24 40 GHz Highband Coupler Option 540 Option 1EM A25BW...

Страница 250: ...according to the signal generator you have Standard Disconnect W102 and W24 or W26 instruments without Option 1E1 not shown RF cables from the A24 50 GHz Highband Coupler s input and output Option 1E...

Страница 251: ...sembly Replacement A24 50 GHz Highband Coupler Options 532 and 544 3 61 Figure 3 35 A24 50 GHz Highband Coupler Options 532 544 Standard Figure 3 36 A24 50 GHz Highband Coupler Options 532 544 Option...

Страница 252: ...disconnect the following cables according to the signal generator you have Standard Disconnect W112 and W89 RF cables from the A24 67 GHz Highband Coupler s input and output Option 1EM Disconnect W11...

Страница 253: ...Assembly Replacement A24 67 GHz Highband Coupler Options 550 and 567 3 63 Figure 3 37 A24 67 GHz Highband Coupler Options 550 567 Standard Figure 3 38 A24 67 GHz Highband Coupler Options 550 567 and O...

Страница 254: ...Motherboard facing away from you and the RF deck on top 4 Using the 5 16 open ended wrench disconnect the A25 20 GHz Highband Detector according to the signal generator you have E8257D E8663D Disconn...

Страница 255: ...E8257D 67D E8663D PSG Signal Generators Service Guide Assembly Replacement A25 20 GHz Highband Detector Options 503 509 520 521 3 65 Figure 3 40 A25 20 GHz Highband Detector Option 521 A33 A25...

Страница 256: ...signal generator with the A31 Motherboard facing away from you and the RF deck on top 4 Using the 5 16 open ended wrench disconnect the A25 40 GHz Highband Detector from the A24 40 GHz Highband Couple...

Страница 257: ...4 and Inner Instrument Cover on page 3 6 3 Position the signal generator with the A31 Motherboard facing away from you and the RF deck on top 4 Using the 5 16 open ended wrench disconnect the A25 50...

Страница 258: ...ument Cover on page 3 6 3 Position the signal generator with the A31 Motherboard facing away from you and the RF deck on top 4 Using the 5 16 open ended wrench disconnect the A25 67 GHz Highband Detec...

Страница 259: ...E8257D 67D E8663D PSG Signal Generators Service Guide Assembly Replacement A25 67 GHz Highband Detector Options 550 and 567 3 69 Figure 3 43 A25 67 GHz Highband Detector Options 550 and 567 A25 A24...

Страница 260: ...trument Cover on page 3 6 3 Position the signal generator with the A31 Motherboard facing away from you and the RF deck on top 4 Disconnect the A25BW1 bias board power cable from the A26 MID J12 5 Usi...

Страница 261: ...E8257D 67D E8663D PSG Signal Generators Service Guide Assembly Replacement A25B Highband Detector Bias Board 3 71 Figure 3 44 A25B Highband Detector Bias Board A25BW1 A25B 1...

Страница 262: ...from A26J33 5 Disconnect the following ribbon cables W69 from A26J14 W28 from A26J15 W19 from A26J30 W36 from A26J13 W33 from A26J32 W34 from A26J31 W35 from A26J10 W20 from A26J20 W113 from A26J34 E8...

Страница 263: ...3 73 Figure 3 45 A26 MID E8257D E8663D Figure 3 46 A26 MID E8267D W20 A26J20 A26 W35 A26J10 W34 A26J31 W33 A26J32 W19 A26J30 W69 A26J14 W113 A26J34 W36 A26J13 W28A26J15 1 W35 A26J10 W20 A26J20 W70 A2...

Страница 264: ...y from you and the RF deck on top 4 Using the 5 16 open ended wrench disconnect the following RF cables Standard W30 from A27 40 GHz Doubler or Option 1EM W83 from A27 40 GHz Doubler W31 from A27J3 W3...

Страница 265: ...E8257D 67D E8663D PSG Signal Generators Service Guide Assembly Replacement A27 40 GHz Doubler Option 540 3 75 Figure 3 47 A27 40 GHz Doubler Option 540 W29 W32 W31 A27 Option 1EM W83 Standard W30...

Страница 266: ...osition the signal generator with the A31 Motherboard facing away from you and the RF deck on top 4 Using the 5 16 open ended wrench disconnect the following RF cables W100 from A27J2 W104 from A27J1...

Страница 267: ...7D 67D E8663D PSG Signal Generators Service Guide Assembly Replacement A27 40 GHz Doubler Options 532 and 544 only 3 77 Figure 3 48 A27 40 GHz Doubler Options 532 and 544 W116 A27J10 W104 A27J1 W100 A...

Страница 268: ...owing RF cable according to the signal generator you have E8257D E8663D Disconnect the W41 RF cable from the A28J1 E8267D Disconnect the W101 RMF cable from the A28J1 5 Disconnect the W12 ribbon cable...

Страница 269: ...E8257D 67D E8663D PSG Signal Generators Service Guide Assembly Replacement A28 YIG Oscillator 3 79 Figure 3 49 A28 YIG Oscillator A28 E8257D E8663D W38 W27 W12 E8267D W101 not shown...

Страница 270: ...s W39 from A29J4 W40 from A29J3 5 Using the 5 16 open ended wrench disconnect the following RF cable according to the signal generator you have E8257D E8663D Disconnect the W41 RF cable from A29J2 and...

Страница 271: ...ignal Generators Service Guide Assembly Replacement A29 20 GHz Doubler 3 81 Figure 3 50 A29 20 GHz Doubler E8257D E8663D W38 A29J1 W39 A29J4 1 1 A29 E8257D E8663D W41 A29J2 W33 A29J10 E8267D W77 A29J2...

Страница 272: ...om A30J1 E8267D Disconnect the W98 RF cable from A30J1 6 Disconnect the W34 ribbon cable from the A30 Modulator Filter 7 Using the 5 16 open ended wrench disconnect the following RF cable according to...

Страница 273: ...3 83 Figure 3 51 A30 Modulator Filter W34 A30J10 W27 A30J3 W106 Option 550 567 W17 A30J7 W108 A30J6 E8257D E663D W41 A30J1 E8267D W98 A30J1 1 1 1 A31 A35 E8257D E8663D W74 Options 503 509 520 521 W31...

Страница 274: ...nd A13 I Q MUX E8267D Standard or with Option 015 Serial Prefixes US4722 MY4722 on page 3 32 6 Using the 5 16 open ended wrench disconnect the following RF cables W40 from A29J3 W39 from A29J4 W37 fro...

Страница 275: ...bly Replacement A31 Motherboard E8257D E8663D 3 85 Figure 3 52 A31 Motherboard E8257D E8663D W35 A31P201 W23 A31P241 1 W40 A29J3 W39 A29J4 W37 W22 A31J1042 W47 A31J1041 W54 A31J1032 W11 A31J1021 W10 A...

Страница 276: ...page 3 41 and A13 I Q MUX E8267D Standard or with Option 015 Serial Prefixes US4722 MY4722 on page 3 32 6 Using the 5 16 open ended wrench disconnect the following RF cables W67 from Rear Panel 25 3 2...

Страница 277: ...5 Perform the post repair adjustments and performance tests that pertain to this removal procedure Figure 3 53 A31 Motherboard E8267D W23 1 W76 W39 W60 A31J1052 W61 A31J1053 W11 A31J1021 W21 A31J1043...

Страница 278: ...el facing you 4 Using the needle nose pliers disconnect the W47 flexible cable A31 Motherboard J1041 from A32J2 5 Using the needle nose pliers disconnect the W48 flexible cable 10 MHz EFC from A32J1 O...

Страница 279: ...E8257D 67D E8663D PSG Signal Generators Service Guide Assembly Replacement A32 10 MHz Crystal Oscillator 3 89 Figure 3 54 A32 Crystal Oscillator Option UNR UNX only...

Страница 280: ...the signal generator Refer to Outer Instrument Cover on page 3 4 and Inner Instrument Cover on page 3 6 3 Using the 5 16 open ended wrench disconnect the A33 6dB PAD from the A24 20 GHz Highband Coup...

Страница 281: ...E8257D 67D E8663D PSG Signal Generators Service Guide Assembly Replacement A33 6dB PAD Options 503 509 520 and 521 3 91 Figure 3 55 A33 6dB PAD Options 503 509 520 and 521 A24 A33 A25...

Страница 282: ...al generator Refer to Outer Instrument Cover on page 3 4 and Inner Instrument Cover on page 3 6 3 Using the 5 16 open ended wrench disconnect the A33 10dB PAD from the A24 50 GHz Highband Coupler 4 Us...

Страница 283: ...E8257D 67D E8663D PSG Signal Generators Service Guide Assembly Replacement A33 10dB PAD Options 532 and 544 3 93 Figure 3 56 A33 10dB PAD Options 532 and 544 A33 A25 A24...

Страница 284: ...67D only 6 Position the signal generator with the rear panel facing you 7 Using the needle nose pliers disconnect the following flexible cables W55 SOURCE MOD INTERFACE from A10 ALC J304 W65 BASEBAND...

Страница 285: ...B1 Fan cable from the A31 Motherboard P251 15 Pull the rear panel away from the signal generator s chassis Replacement Procedure Reverse the order of the removal procedure Torque all T 10 screws to 9...

Страница 286: ...rom A35 3 20 GHz I Q Modulator J106 E8267D only W79 WIDEBAND Q INPUT from A35 3 20 GHz I Q Modulator J9 E8267D only 6 Using the needle nose pliers disconnect A22W1 from the power supply 7 Position the...

Страница 287: ...Crystal Oscillator Option UNR UNX 12 Using the T 10 driver remove the two screws 1 that secure the Rear Panel to the left and right struts 13 Using the T 10 driver remove the four screws 2 that attach...

Страница 288: ...E8257D 67D E8663D PSG Signal Generators Service Guide Assembly Replacement Rear Panel Option 1EM 3 98 Figure 3 58 Rear Panel Removal Option 1EM 1 A22W1 A22W2 W18 A18J1 W20 W64 A14J13 3 2 2...

Страница 289: ...Refer to Outer Instrument Cover on page 3 4 and Inner Instrument Cover on page 3 6 3 Disconnect the W66 ribbon cable from the A18 CPU P2 4 Using the T 10 driver remove the screw 1 that attaches the A3...

Страница 290: ...deck on top 4 Using the 5 16 open ended wrench disconnect the following RF cables W105 from A35J4 W77 from A35J1 W78 from A35 I Q MOD W104 from A35J3 5 Using the needle nose pliers disconnect the fol...

Страница 291: ...ervice Guide Assembly Replacement A35 3 20 GHz I Q Modulator E8267D Only Standard or with Option 015 3 101 Figure 3 60 A35 3 20 GHz I Q MOD W63 A35J6 1 W80 A35J106 W62 A35J7 W97 A35J8 A35 W79 A35J9 W7...

Страница 292: ...A31 Motherboard facing you and the RF deck on top 4 Using the 5 16 open ended wrench disconnect the following RF cables W77 from A35J1 W134 from A35 I Q Mod 5 Using the needle nose pliers disconnect t...

Страница 293: ...Modulator E8267D Only Standard or with Option H16 016 Serial Prefixes US4722 MY4722 3 103 Figure 3 61 A35 3 20 GHz I Q MOD E8267D only Standard or with Option 016 Serial Prefixes US4722 MY4722 W63 A3...

Страница 294: ...4 Using the needle nose pliers disconnect the following flexible cables W108 from A36J4 W109 from A36J3 W110 from A36J6 W111 from A36J7 W96 from A36J5 5 Using the 5 16 open ended wrench disconnect th...

Страница 295: ...Signal Generators Service Guide Assembly Replacement A36 Quadraplier Options 550 and 567 3 105 Figure 3 62 A36 Quadraplier W110 A36J6 W96 A36J5 W112 RF OUT W113 A36J10 W106 A36J1 W107 A36J2 W111 A36J7...

Страница 296: ...you and the RF deck on top 4 Using the 5 16 open ended wrench disconnect the following RF cable W98 from A37J2 W103 from A27J3 W102 from A37J4 W78 from A37J1 5 Using the needle nose pliers disconnect...

Страница 297: ...3D PSG Signal Generators Service Guide Assembly Replacement A37 Upconverter E8267D Only 3 107 Figure 3 63 A37 Upconverter W103 A37J3 W114 A37J9 W98 A37J2 W102 A37J4 W99 A37J7 backside W97 A37J8 W100 A...

Страница 298: ...the signal generator Refer to Outer Instrument Cover on page 3 4 and Inner Instrument Cover on page 3 6 3 Position the signal generator with the front panel facing you 4 Lift the retention levers and...

Страница 299: ...E8257D 67D E8663D PSG Signal Generators Service Guide Assembly Replacement A38 Lowband Switch Filter 3 109 Figure 3 64 A38 Low Band Switch Filter A38...

Страница 300: ...signal generator with the A31 Motherboard facing away from you and the RF deck on top 4 Using the 5 16 open ended wrench disconnect the following RF cables W101 from A39 IN W115 from A39 OUT 5 Using t...

Страница 301: ...E8257D 67D E8663D PSG Signal Generators Service Guide Assembly Replacement A39 Directional Sweep Coupler 3 111 Figure 3 65 A39 Directional Sweep Coupler W115 1 1 W101...

Страница 302: ...strument Cover on page 3 4 and Inner Instrument Cover on page 3 6 3 Disconnect the W66 ribbon cable from A18P2 4 Using the standard screwdriver unlock the A41 door latch screw by rotating counter cloc...

Страница 303: ...63D PSG Signal Generators Service Guide Assembly Replacement A40 Compact Flash Drive Assembly 3 113 Figure 3 66 A40 Flash Drive Assembly Figure 3 67 A41 Flash Drive Door Assembly W66 A18P2 A40 1 1 Doo...

Страница 304: ...rd screwdriver unlock the door latch screw by rotating counter clockwise 3 Remove the flash card if applicable 4 Using the T 10 driver remove the two lower screws 1 that attach the A41 door assembly t...

Страница 305: ...E8257D 67D E8663D PSG Signal Generators Service Guide Assembly Replacement A41 Flash Drive Door Assembly 3 115 Figure 3 68 A41 Flash Drive Door Assembly 1 1 Door Latch Screw...

Страница 306: ...Disconnect W135 from the A42 20 GHz Power Amp board 5 Using the 5 16 open ended wrench disconnect the following RF cables according to the signal generator you have Standard Disconnect W141 and W142...

Страница 307: ...D E8663D PSG Signal Generators Service Guide Assembly Replacement A42 20 GHz Power Amp Option 521 3 117 Figure 3 69 A42 20 GHz Power Amp W135 A42J9 1 1 1 W141 A42 RF IN Std W142 A42 RF OUT 1EM W143 A4...

Страница 308: ...Position the signal generator with the front panel facing you 4 Using the 5 16 open ended wrench disconnect W140 from the A38 Low Band Switch Filter board 5 Using the needle nose pliers disconnect W1...

Страница 309: ...E8257D 67D E8663D PSG Signal Generators Service Guide Assembly Replacement A43 Lowband Amp Filter 3 119 Figure 3 70 A43 Lowband Amp Filter W140 A43 W139...

Страница 310: ...6 3 Position the signal generator with the A31 Motherboard facing away from you and the RF deck on top 4 Using the needle nose pliers disconnect W148 from A44J2 5 Using the 5 16 open ended wrench disc...

Страница 311: ...Signal Generators Service Guide Assembly Replacement A44 Scan Modulation Bias Adapter E8257D 520 and E8663D Only 3 121 Figure 3 71 A44 Scan Modulation Bias Adapter A44J3 A44J5 A44J2 A44 Scan Modulatio...

Страница 312: ...nnect the W117 and W92 RF cables from the AT1 90 dB Attenuator NOTE Cables W117 and W92 are easily damaged DO NOT bend them Bending the cables can damage the center conductor which could result in pow...

Страница 313: ...E8257D 67D E8663D PSG Signal Generators Service Guide Assembly Replacement AT1 90 dB Attenuator 3 123 Figure 3 72 AT1 90 dB Attenuator W117 W92 AT1W1...

Страница 314: ...0 532 540 544 or E8257N Disconnect W24 and W25 from the AT1 115 dB Attenuator Option 521 Disconnect W143 and W145 from the AT1 115 dB Attenuator NOTE Cables W24 W25 W143 and W145 are easily damaged DO...

Страница 315: ...E8257D 67D E8663D PSG Signal Generators Service Guide Assembly Replacement AT1 115 dB Attenuator 3 125 Figure 3 73 AT1 115 dB Attenuator W24 AT1 W25 AT1W1 A26J13 1 Option 521 W145 Option 521 W143...

Страница 316: ...e AT1W1 ribbon cable from A26J13 5 Using the 5 16 open ended wrench disconnect the W81 and W94 RF cables from the AT1 90 dB Attenuator NOTE Cables W81 and W94 are easily damaged DO NOT bend them Bendi...

Страница 317: ...E8257D 67D E8663D PSG Signal Generators Service Guide Assembly Replacement AT1 90 dB Attenuator Option 1EM 3 127 Figure 3 74 AT1 90 dB Attenuator Options 1EM W81 AT1 W94...

Страница 318: ...ptions 503 509 520 and 540 Disconnect the W72 and W73 RF cables from the AT1 115 dB Attenuator Option 521 Disconnect the W146 and W147 RF cables from the AT1 115 dB Attenuator Options 532 and 544 Disc...

Страница 319: ...ice Guide Assembly Replacement AT1 115 dB Attenuator Option 1EM 3 129 Figure 3 75 AT1 115dB Attenuator Option 1EM AT1 Options 503 509 520 540 W73 Options 532 544 W85 Options 503 509 520 540 W72 Option...

Страница 320: ...F cable according to the signal generator you have Options 520 and 540 Disconnect W73 RF cable from the AT1 115 dB Attenuator and the RF Out Options 532 and 544 Disconnect W85 RF cable from the AT1 11...

Страница 321: ...E8257D 67D E8663D PSG Signal Generators Service Guide Assembly Replacement B1 Fan 3 131 Figure 3 76 B1 Fan 2 1...

Страница 322: ...E8257D 67D E8663D PSG Signal Generators Service Guide Assembly Replacement B1 Fan 3 132...

Страница 323: ...A26 For prefixes xx4928 on page 4 6 Post Repair Adjustments Assemblies A27 A46 AT1 B1 and RF Output Connector For prefixes xx4928 on page 4 7 Performance Tests Assemblies A1 A17 For Prefixes xx4928 on...

Страница 324: ...Calibration instruments with serial prefixes US4805 MY4805 and non UNR UNX and or UNJ Options FM Scale Offset Calibration FM Path Offset Calibration FM In band Offset Calibration FM Inverting Amplifie...

Страница 325: ...ctor Bias Board A26 MID ADC Calibration IQ Gain Offset Quadrature Calibration Target IQ Power Calibration 1 f Corner Calibration IQ Time Skew RF IQ Time Skew Baseband ALC Dynamic Calibration Lowband D...

Страница 326: ...ibration FM In band Offset Calibration FM 1 2 Path Ratio Gain Calibration Mod Source Relative Gain Calibration FM PM YO Frequency Compensation Calibration DC FM Calibration External Input Peak Detecto...

Страница 327: ...UNT Mod Source Relative Gain Calibration FM PM Out of Band Calibration FM PM YO Frequency Compensation Calibration E8257D E8663D with Option UNT and E8257N Only DC FM Calibration E8257D E8663D with Op...

Страница 328: ...Supply A20 SMI Source Module Interface A21 Rear Panel A22 Line Module A23 Lowband Coupler Detector A24 20 GHz Coupler A24 40 GHz Coupler A24 67 GHz Coupler A25 20 GHz Detector A25 40 GHz Detector A25...

Страница 329: ...DC Calibration Frac N Pretune Calibration Option UNY Offset Loop Pre tune Calibration Option UNY YIG Driver Pre Tune Calibration FM Scale Offset Calibration E8257D E8663D with Option UNT FM Path Offse...

Страница 330: ...tests are listed in the order that they should be performed to minimize changes in test equipment configurations Replaced Assembly A1 Keyboard A2 Display A2DS1 Backlight A3 Power Switch A4 Inverter A5...

Страница 331: ...Interface A22 Line Module A23 Lowband Coupler Detector A24 20 GHz Coupler A24 40 GHz Coupler A24 67 GHz Coupler A25 20 GHz Detector A25 40 GHz Detector A25 67 GHz Detector A25B Detector Bias Board A26...

Страница 332: ...0 Compact Flash Drive AT1 115 dB Attenuator B1 Fan RF Output Connector Self Tests Maximum Leveled Output Power Power Level Accuracy Internal Pulse Modulation Level Accuracy Internal Pulse Modulation R...

Страница 333: ...Option H18 Only Power Level Accuracy Internal Pulse Modulation Level Accuracy E8257D E8267D Option UNU UNW UNS or HNS and E8663D Only Internal Pulse Modulation Rise Fall Time E8257D E8267D Option UNW...

Страница 334: ...med to minimize changes in test equipment configurations A18 CPU or BT1 A19 Power Supply A20 SMI Source Module Interface A21 Rear Panel Interface A22 Line Module A23 Lowband Coupler Detector A24 20 GH...

Страница 335: ...pler A40 Compact Flash Drive A43 LB Amp Filter A44 Scan Mod A45 Frac N Offset A46 Offset Loop AT1 115 dB Attenuator B1 Fan RF Output Connector Self Check Test Maximum Leveled Output Power Maximum Leve...

Страница 336: ...pgrade Assistant software and the latest PSG firmware c Go to the folder where the files were saved and click on each program The programs open the files and saves the routines to a folder d Click Yes...

Страница 337: ...llowing command SYST IDN b Check the IDN to ensure it has changed by executing the following command IDN 11 Check the license keys If the license keys were retrievable from the CPU go to Step 12 If th...

Страница 338: ...ir Procedures CPU Configuration 4 16 e After entering all the required license keys press Proceed With Reconfiguration If a license key does not turn an option on proceed to Step 11 and perform the st...

Страница 339: ...The opening of covers or removal of parts is likely to expose dangerous voltages Disconnect the product from all voltage sources before starting to open WARNING The detachable power cord is the instr...

Страница 340: ...ce agreements are available for Agilent Technologies products For any assistance contact your nearest Agilent Technologies sales and service office see Keysight Sales and Service Offices on page 1 124...

Страница 341: ...Multiplexer self test 29 A14 Baseband Generator description 105 self test 56 A18 CPU description 83 self test 45 A19 Power Supply description 83 A23 Lowband Coupler Detector description 101 A24 Highba...

Страница 342: ...4 128 90 dB replacement 122 126 B backup data CPU 5 baseband generator interface replacement 38 baseband generator replacement 36 battery disposal 2 battery replacement 42 block descriptions overall 8...

Страница 343: ...placement 23 overcurrent 27 overvoltage 27 P performance test failures troubleshooting 74 performance tests required after repair 1 phase noise troubleshooting 82 post repair procedures 1 power maximu...

Страница 344: ...ious non harmonic emissions troubleshooting 81 sum and difference 102 T thermal shutdown 27 troubleshooting ADC adjustment failures 74 adjustment problems 72 ALC 75 AT1 Attenuator 77 chapter TOC 1 CPU...

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Содержание E8257D/67D

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Содержание E8257D/67D

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