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Keysight Technologies EDU33210 Series, Service Manual

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Keysight Technologies EDU33210 Series Service Manual Download Page 31

Channel 1 Adjustments

Self-test

Frequency (internal timebase) adjustment

Internal ADC adjustment

Self calibration adjustment

Output impedance adjustment

AC amplitude (high-impedance) adjustment

-8 dB range flatness adjustment

-24 dB range flatness adjustment

Self-test

Run self-test to ensure that the instrument is in working order before beginning any additional adjustments. Be sure
to unlock the instrument and follow the requirements listed in Test Considerations before beginning any
adjustments.

1. Enter command CALibration:SeTup 1 to begin.

Setup

SCPI command

1

Performs the self-test. The main output is dis-
abled during test.

CAL:SET 1

2. If the instrument fails any self-test, press [System] > Help > Error View to record the error code and message,

and contact Keysight support if necessary.

A complete self-test (*TST?) takes approximately 12 seconds.

Keysight EDU33210 Series Service Guide

31

Summary of Contents for EDU33210 Series

Page 1: ...Service Guide EDU33210 Series Trueform Arbitrary Waveform Generators...

Page 2: ...Installing the Knob 13 2 Performance Verification 14 Performance Verification 15 Recommended Test Equipment 16 Test Considerations 16 Performance Verification Tests 17 Internal timebase verification...

Page 3: ...ude high impedance adjustment 35 8 dB range flatness adjustment 37 24 dB range flatness adjustment 39 Channel 2 Adjustments EDU33212A only 41 Self calibration adjustment channel 2 41 Output impedance...

Page 4: ...Y APPLICABLE LAW KEYSIGHT DISCLAIMS ALL WARRANTIES EITHER EXPRESS OR IMPLIED WITH REGARD TO THIS MANUAL AND ANY INFORMATION CONTAINED HEREIN INCLUDING BUT NOT LIMITED TO THE IMPLIED WARRANTIES OF MERC...

Page 5: ...ed from all providers of commercial computer software pursuant to the FAR and the DFARS and are set forth specifically in writing elsewhere in the EULA Keysight shall be under no obligation to update...

Page 6: ...Do not proceed beyond a CAUTION notice until the indicated conditions are fully understood and met A WARNING notice denotes a hazard It calls attention to an operating procedure practice or the like...

Page 7: ...laceable Parts Battery Replacement Removing Installing the Knob This chapter provides the specifications and service information on cleaning troubleshooting repair and replaceable parts of the EDU3321...

Page 8: ...ey will arrange to have your unit repaired or replaced and can provide warranty or repair cost information where applicable Ask the Keysight Technologies Service Center for shipping instructions inclu...

Page 9: ...during service operations Disassemble instruments only in a static free work area Use a conductive work area to reduce static charges Use a conductive wrist strap to reduce static charge accumulation...

Page 10: ...r messages include a failing channel number 1 or 2 shown as n in the messages below Error Code Error Messages 601 Self test failed real time clock settings lost 602 Self test failed main CPU power sup...

Page 11: ...ed service trained personnel who are aware of the hazards involved should remove instrument cov ers Always disconnect the power cable and any external circuits before removing the instrument cover Som...

Page 12: ...river and carefully pry up on the side of the battery 6 Install the new battery Make sure that the positive side is facing up Place the battery under the small spring clips see red circle below then p...

Page 13: ...ions Visual 1 Pull out the knob to remove the knob from the front panel 2 To install back the knob push the knob back in the shaft NOTE Make sure to follow the shaft orientation before pushing the kno...

Page 14: ...quipment Test Considerations Performance Verification Tests This chapter contains the performance verification procedures which verify that the EDU33210 Series waveform generator is operating within i...

Page 15: ...ion tests Self test A series of internal verification tests that give a high confidence that the instrument is operational Performance verification tests An extensive set of tests that are recommended...

Page 16: ...0 termination Keysight part number 0960 0301 Adapter Coaxial BNC T connector Cable Dual banana m to dual banana m Cable RG58 coaxial cable with BNC m to dual banana adapter Cable RG58 coaxial cable wi...

Page 17: ...0 of the specifications as the verification limits Ensure that you have read Test Considerations before running the performance verification tests Internal timebase verification These tests verify out...

Page 18: ...s 1 kHz 400 mVrms 0 008354 Vrms High Z Sine 400 mVrms 1 kHz 400 mVrms 0 008354 Vrms High Z Sine 1 Vrms 1 kHz 1 Vrms 0 020354 Vrms High Z Sine 2 5 Vrms 1 kHz 2 5 Vrms 0 050354 Vrms High Z Sine 7 Vrms 1...

Page 19: ...r Be sure the output impedance is set to High Z and the output is enabled Waveform Generator Measurement Output Setup Function Voltage Nominal Error a High Z DC 0 0 V 0 0 VDC 0 005 VDC High Z DC 500 m...

Page 20: ...e flatness reference point at 1 kHz 4 Convert multimeter error to ratio using equation below This value is required for next measurement point Reference point accuracy 1 kHz dB 20 x log multimeter mea...

Page 21: ...asure the amplitude by using power meter and power sensor Waveform Generator Measurement Output Load Function Amplitude Frequency Nominal Error 50 Sine 1 200 Vrms 500 0 kHz 0 dB 0 15 dB 1 000 MHz 2 00...

Page 22: ...he flatness reference point at 1 kHz 4 Convert multimeter error to ratio using equation below This value is required for next measurement point Reference point accuracy 1 kHz dB 20 x log multimeter me...

Page 23: ...measure the amplitude by using power meter and power sensor Waveform Generator Measurement Output Load Function Amplitude Frequency Nominal Error 50 Sine 0 190 Vrms 500 0 kHz 0 dB 0 15 dB 1 000 MHz 2...

Page 24: ...24 Keysight EDU33210 Series Service Guide...

Page 25: ...Process Calibration Security Calibration Count Calibration Message Calibration Procedure Channel 1 Adjustments Channel 2 Adjustments This chapter contains information on adjustments performed after a...

Page 26: ...service at competitive prices Calibration interval The recommended calibration interval for Keysight EDU33210 Series waveform generator is one year Time required for calibration For incoming instrumen...

Page 27: ...ty code and calibration count in the instrument s maintenance records 7 Perform the performance verification tests to verify the calibration Calibration Security The instrument has a calibration passc...

Page 28: ...increments up to a maximum of 232 1 after which it rolls over to 0 The calibration count can only be read remotely From the remote interface CAL COUN Calibration Message You can use the CALibration ST...

Page 29: ...failed Chan n offset DAC cal with attenuator gain too low too high meas_value Self calibration failed Chan n offset DAC cal no attenuator gain too low too high meas_value Computed gain calibration fa...

Page 30: ...ide If you abort a calibration in progress all calibration constants for the selected function range are lost If power is turned off when the instrument is attempting to write new calibration constant...

Page 31: ...ing any additional adjustments Be sure to unlock the instrument and follow the requirements listed in Test Considerations before beginning any adjustments 1 Enter command CALibration SeTup 1 to begin...

Page 32: ...uency for each setup in the following table Setup Frequency Amplitude SCPI command 2 10 MHz 1 Vpp Output frequency is slightly less than 10 MHz CAL SET 2 3 10 MHz Output frequency is slightly more tha...

Page 33: ...ter as shown below 2 Set the multimeter to display 5 digits and set the function to DCV 3 Enter the following setup Nominal Setup Setup DC level SCPI command 6 a 1 0 VDC 10 Calibrates the internal ADC...

Page 34: ...are generated with and without the post amplifier attenuator 1 Set the multimeter to measure offset compensated 4 wire Ohms Set the multimeter to use 100 NPLC integ ration Connect the Ohms Source and...

Page 35: ...range CAL SET 11 12 0 007 V Output of 64 dB range CAL SET 12 13 a 0 007 V Output of 64 dB range CAL SET 13 14 0 017 V Output of 56 dB range CAL SET 14 15 a 0 017 V Output of 56 dB range CAL SET 15 16...

Page 36: ...AL SET 35 36 0 68 V Output of 24 dB range CAL SET 36 37 a 0 68 V Output of 24 dB range CAL SET 37 a Constants are stored after completing this setup 3 Enter the value measured using SCPI command 4 To...

Page 37: ...sured using SCPI command 4 For Setup 47 record down the multimeter measurement value during 100 kHz frequency output Multimeter measurement 100 kHz ______________Vrms 5 Without resetting and setting t...

Page 38: ...red power level from dBm to Vrms 12 Enter the value measured calibration value using SCPI command Calibration Value Power meter converted value in Vrms Crossover 100 kHz in Vrms Step 9 13 To proceed a...

Page 39: ...sured using SCPI command 4 For Setup 39 record down the multimeter measurement value during 100 kHz frequency output Multimeter measurement 100 kHz ______________Vrms 5 Without resetting and setting t...

Page 40: ...ET 43 44 a 25 MHz CAL SET 44 45 a 30 MHz CAL SET 45 a Constants are stored after completing this setup 11 Convert the measured power level from dBm to Vrms 12 Enter the value measured calibration valu...

Page 41: ...ng setup Setup SCPI command 54 a Self calibration The output is disabled CAL SET 54 a Constants are stored after completing this setup 2 To proceed a If your calibration procedures require you to veri...

Page 42: ...channel output as shown below 2 Use the multimeter to make a 4 wire resistance measurement at the front panel output connector for each setup in the following table The expected measured value is app...

Page 43: ...2 dB range CAL SET 58 59 0 007 V Output of 64 dB range CAL SET 59 60 a 0 007 V Output of 64 dB range CAL SET 60 61 0 017 V Output of 56 dB range CAL SET 61 62 a 0 017 V Output of 56 dB range CAL SET 6...

Page 44: ...32 dB range High DC range CAL SET 82 83 0 68 V Output of 24 dB range High DC range CAL SET 83 84 a 0 68 V Output of 24 dB range High DC range CAL SET 84 a Constants are stored after completing this s...

Page 45: ...e measured using SCPI command 4 For Setup 94 record down the multimeter measurement value during 100 kHz frequency output Multimeter measurement 100 kHz ______________Vrms 5 Without resetting and sett...

Page 46: ...onstants are stored after completing this setup 11 Convert the measured power level from dBm to Vrms 12 Enter the value measured calibration value using SCPI command Calibration Value Power meter conv...

Page 47: ...ue measured using SCPI command 4 For Setup 86 record down the multimeter measurement value during 100 kHz frequency output Multimeter measurement 100 kHz ______________Vrms 5 Without resetting and set...

Page 48: ...ET 90 91 a 25 MHz CAL SET 91 92 a 30 MHz CAL SET 92 a Constants are stored after completing this setup 11 Convert the measured power level from dBm to Vrms 12 Enter the value measured calibration valu...

Page 49: ...This information is subject to change without notice Keysight Technologies 2021 Edition 1 April 2021 Printed in Malaysia EDU33212 90014 www keysight com...

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