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Keysight 53210A/53220A/ 53230A 350 MHz Universal Frequency Counter/Timer

Assembly Level Service Guide

Notices

CAUTION

WARNING

duced in any form or by any means (including electronic storage and retrieval or translation into a foreign language) without prior agreement and written consent from Keysight Technologies as governed by United States and international copyright laws.

Trademarks

Microsoft and Windows are U.S. registered trademarks of Microsoft Corporation.

Manual Part Number

53220-90010

Edition

Edition 8, March 2018

Printed in:

Printed in Malaysia

Published by:

Keysight Technologies Bayan Lepas Free Industrial Zone, 11900 Penang, Malaysia

Technology Licenses

The hardware and/or software described in this document are furnished under a license and may be used or copied only in accordance with the terms of such license.

Declaration of Conformity

U.S. Government Rights

The Software is “commercial computer software,” as defined by Federal Acquisition Regulation (“FAR”) 2.101. Pursuant to FAR 12.212 and 27.405-3 and Department of Defense FAR Supplement (“DFARS”) 227.7202, the U.S. government acquires commercial computer software under the same terms by which the software is customarily provided to the public. Accordingly, Keysight provides the Software to U.S. government customers under its standard commercial license, which is embodied in its End User License Agreement (EULA). The license set forth in the EULA represents the exclusive authority by which the U.S. government may use, modify, distribute, or disclose the Soft-ware. The EULA and the license set forth therein, does not require or per-mit, among other things, that Keysight: (1) Furnish technical information related to commercial computer commercial computer software documentation that is not customarily provided to the public; or (2) Relinquish to,

or otherwise provide, the government rights in excess of these rights customarily provided to the public to use, modify, reproduce, release, per-form, display, or computer software com-puter software documentation. No additional government requirements beyond those set forth in the EULA shall apply, except to the extent licenses are explicitly required from all providers of commercial computer software pursu-ant to the FAR and the DFARS and are set forth specifically in writing Keysight shall be under no obligation to update, revise or otherwise modify the Software. With respect to any technical data as defined by FAR

2.101, pursuant to FAR 12.211 and

27.404.2 and DFARS 227.7102, the U.S. government acquires no greater than Limited Rights as defined in FAR

27.401 or DFAR 227.7103-5 (c), as applicable in any technical data.

disclose commercial

that those terms, rights, or

else-where in the EULA.

soft-ware or

or commercial

Warranty

THE MATERIAL CONTAINED IN THIS DOCUMENT IS PROVIDED “AS IS,” AND IS SUBJECT TO BEING CHANGED, WITHOUT NOTICE, IN FUTURE EDITIONS. FURTHER, TO THE MAXIMUM EXTENT PERMITTED BY 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 MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE. KEYSIGHT SHALL NOT BE LIABLE FOR ERRORS OR FOR INCIDENTAL OR CONSEQUENTIAL DAMAGES IN CONNECTION WITH THE FURNISHING, USE, OR PERFORMANCE OF THIS DOCUMENT OR OF ANY INFORMATION CONTAINED HEREIN. SHOULD KEYSIGHT AND THE USER HAVE A SEPARATE WRITTEN AGREEMENT WITH WARRANTY TERMS COVERING THE MATERIAL IN THIS DOCUMENT THAT CONFLICT WITH THESE TERMS, THE WARRANTY TERMS IN THE SEPARATE AGREEMENT SHALL CONTROL.

Safety Information

A CAUTION notice denotes a hazard. It calls attention to an operating procedure, practice, or the like that, if not correctly performed or adhered to, could result in damage to the product or loss of important data. 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 that, if not correctly performed or adhered to, could result in personal injury or death. Do not proceed beyond a WARNING notice until the indicated conditions are fully understood and met.

2 Keysight 53210A/53220A/53230A Assembly Level Service Guide

Software Updates/Licenses

Periodically, Keysight releases software updates to fix known defects and incorporate product enhancements.

A portion of the software in this product is licensed under terms of the General Public License Version 2 (“GPLv2”).

This product utilizes Microsoft Windows CE. Keysight highly recommends that all Windows-based computers connected to Windows CE instruments utilize current anti-virus software.

Keysight 53210A/53220A/53230A Assembly Level Service Guide 3

Assistance

This product comes with the standard product warranty. Warranty options, extended support contacts, product maintenance agreements and customer assistance agreements are also available. Contact your nearest Keysight Technologies Sales and Service office for further information on Keysight Technologies' full line of Support Programs.

Certification

Keysight Technologies certifies that this product met its published specifications at time of shipment from the factory. Keysight Technologies further certifies that its calibration measurements are traceable to the United States National Institute of Standards and Technology, to the extent allowed by the Institute's calibration facility, and to the calibration facilities of other International Standards Organization members.

Exclusive Remedies

The remedies provided herein are the customer's sole and exclusive remedies. Keysight Technologies shall not be liable for any direct, indirect, special, incidental, or consequential damages, whether based on contract, tort, or any other legal theory.

4 Keysight 53210A/53220A/53230A Assembly Level Service Guide

Lithium Battery Recycling

CAT I

The 53210A/53220A/53230A counters contain a 3 V “coin cell” lithium battery. Keysight recommends that this battery be replaced every year at the instrument’s 1-year calibration interval. Replacement procedures are provided in the 53210A/ 53220A/53230A Service Guide.

Option 300 provides battery operation of the 53210A/53220A/53230A using a 12 lithium battery. Performance of this battery will degrade over time as a function of the number of battery charge/discharge cycles.

Refer to local, state, or Federal regulations when disposing of, or recycling either battery.

Safety Symbols

The following symbols on the instrument and in the documentation indicate precautions which must be taken to maintain safe operation of the instrument.

Standby Power. Unit is not completely disconnected from AC mains when power switch is in standby position.

Caution, risk of danger (refer to this manual for specific Warning or Caution information)

Frame or chassis (ground) terminal

IEC Measurement Category I. Do NOT connect inputs to AC mains or to circuits derived from AC mains.

Keysight 53210A/53220A/53230A Assembly Level Service Guide 5

Safety Information

The following general safety precautions must be observed during all phases of operation of this instrument. Failure to comply with these precautions or with specific warnings or operating instructions in the product manuals violates safety standards of design, manufacture, and intended use of the instrument. Keysight Technologies assumes no liability for the customer's failure to comply with these requirements.

General

Do not use this product in any manner not specified by the manufacturer. The protective features of this product may be impaired if it is used in a manner not specified in the operation instructions.

Before applying power

Verify that all safety precautions are taken. Note the instrument's external markings described under "Safety Symbols".

Ground the instrument

The Keysight 53210A/53220A/53230A is provided with a grounding-type power plug. The instrument chassis and cover must be connected to an electrical ground to minimize shock hazard. The ground pin must be firmly connected to an electrical ground (safety ground) terminal at the power outlet. Any interruption of the protective (grounding) conductor or disconnection of the protective earth terminal will cause a potential shock hazard that could result in personal injury.

Fuses

The Keysight 53210A/53220A/53230A is provided with an internal line fuse appropriate for the line voltages listed on the instrument. This fuse is not user accessible.

6 Keysight 53210A/53220A/53230A Assembly Level Service Guide

Do not operate in an explosive atmosphere

Do not operate the instrument in the presence of flammable gases or fumes.

Do not operate near flammable liquids

Do not operate the instrument in the presence of flammable liquids or near containers of such liquids.

Do not remove the instrument cover

Only qualified, service-trained personnel who are aware of the hazards involved should remove instrument covers. Always disconnect the power cable and any external circuits before removing the instrument cover.

Do not modify the instrument

Do not install substitute parts or perform any unauthorized modification to the product. Return the product to a Keysight Sales and Service Office for service and repair to ensure that safety features are maintained.

In case of damage

Instruments that appear damaged or defective should be made inoperative and secured against unintended operation until they can be repaired by qualified service personnel.

Cleaning the instrument

Clean the outside of the instrument with a soft, lint-free, slightly-dampened cloth. Do not use detergents or chemical solvents.

Keysight 53210A/53220A/53230A Assembly Level Service Guide 7

WARNING

Do not connect the input channels of the 53210A/53220A/53230A to AC

WARNING

1 Watt Max into 50W

Channel / Setup

WARNING

line-voltage mains or to circuits derived from AC mains. The instrument must be used in CAT I (isolated from mains) applications only. Do not use in other IEC Measurement Category (CAT II, CAT III, or CAT IV) applications. Failure to observe these precautions may result in electric shock and serious personal injury.

The BNC shells of the input terminals are connected to the instrument chassis. Verify signal polarity before making any connections to the input terminals.

Protection limits

The Keysight 53210A/53220A/53230A 350 MHz Universal Frequency Counter/ Timer provides protection circuitry to prevent damage to the instrument and to protect against the danger of electric shock, provided the Protection Limits are not exceeded and the instrument is properly grounded. To ensure safe operation of the instrument, do not exceed the Protection Limits defined on the front panel:

During battery operation, the maximum measured signal supplied by the user is +42 V.

Product Options 201/202 add parallel Channel 1 and Channel 2 inputs to the rear panel of the instrument. Signals on the center conductor of either panel’s channel BNCs are also present on the corresponding center conductor of the BNC on the opposite panel.

8 Keysight 53210A/53220A/53230A Assembly Level Service Guide

Installing the instrument

WARNING

The Keysight 53210A/53220A/53230A operates in the following line-voltage ranges:

100 V to 240 V, 50 Hz to 60 Hz

100 V to 127 V, 440 Hz

90 VA Max

Instrument ventilation is through the sides and rear. Do not obstruct the ventilation holes in any of these locations.

Battery operation

When operating the 53210A or 53220A under battery power (Option 300), failure to observe the following warnings may result in damage to the instrument, electric shock, and serious personal injury:

Connect the instrument chassis to earth ground during battery operation to minimize shock hazard. Any interruption or disconnection of the protective earth terminal will cause a potential shock hazard that could result in personal injury.

Keysight 53210A/53220A/53230A Assembly Level Service Guide 9

Under battery power, the instrument chassis may float to the potential of the measured signal supplied by the user.

Waste Electrical and Electronic Equipment (WEEE) Directive

This instrument complies with the WEEE Directive marking requirement. This affixed product label indicates that you must not discard this electrical or electronic product in domestic household waste.

Product category:

With reference to the equipment types in the WEEE directive Annex 1, this instrument is classified as a “Monitoring and Control Instrument” product.

The affixed product label is as shown below.

Do not dispose in domestic household waste.

10 Keysight 53210A/53220A/53230A Assembly Level Service Guide

Software Updates/Licenses . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .3

Assistance . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .4

Certification . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .4

Exclusive Remedies . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .4

Lithium Battery Recycling . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .5

Safety Symbols . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .5

Safety Information . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .6

General . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .6

Before applying power . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .6

Ground the instrument . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .6

Fuses . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .6

Do not operate in an explosive atmosphere . . . . . . . . . . . . . . . . . . . .7

Do not operate near flammable liquids . . . . . . . . . . . . . . . . . . . . . . . .7

Do not remove the instrument cover . . . . . . . . . . . . . . . . . . . . . . . . . 7

Do not modify the instrument . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 7

In case of damage . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 7

Cleaning the instrument . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .7

Protection limits . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .8

Installing the instrument . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .9

Battery operation . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .9

Waste Electrical and Electronic Equipment (WEEE) Directive . . . . . . . 10

Product category: . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .10

Sales and Technical Support . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .10

1Performance Tests

Introduction . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .24

Chapter overview . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .25

Recommended calibration cycle . . . . . . . . . . . . . . . . . . . . . . . . . . . .27

Internal auto-calibration . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .27

Equipment required . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .28

Power-On Test . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 29

Keysight 53210A/53220A/53230A Assembly Level Service Guide 11

Self-Test (Q) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 31

Run internal self-test . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 31

Keysight 53210A/53220A/53230A Operational Verification . . . . . . . . . 33

Frequency checks . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 33

Termination checks (optional) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 35

Keysight 53210A/53220A/53230A Complete Performance Tests . . . . 37

Test 1: (Q) Absolute time base . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 38

Test 2: (Q) Frequency accuracy - channels 1 and 2 . . . . . . . . . . . . . 43

Test 3: Single period . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 49

Test 4: (Q) Pulse width . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 55

Test 5: (Q) Time interval . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 60

Test 6a: (Q) Frequency accuracy - channel 2/3, option 106

(6 GHz microwave channel) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 65

Test 6b: (Q) Frequency accuracy - channel 2/3, option 115

(15 GHz microwave channel) . . . . . . . . . . . . . . . . . . . . . . . . . . . . 71

Test 7a: (Q) Pulse burst frequency - 53230A channel 3 option 150

with option 106 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 77

Test 7c: (Q) Pulse burst frequency - 53230A channel 3 option 150

with option 115 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 83

Keysight 53210A/53220A/53230A Operational Verification and

Performance Test Record . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 89

Keysight 53210A/53220A/53230A Performance Test Record

(Tests 1 to 7) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 90

2Service

Introduction . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 100

Returning the counter to Keysight Technologies for service . . . . . 100

About the Keysight 53210A/53220A/53230A calibration menu . . 100 The Keysight 53210A/53220A/53230A calibration procedures . . 100

Pre-troubleshooting information . . . . . . . . . . . . . . . . . . . . . . . . . . 100

Troubleshooting information . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 100

Returning the Instrument to Keysight Technologies for Service . . . . 104

Operating checklist . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 104

Is the instrument inoperative? . . . . . . . . . . . . . . . . . . . . . . . . . . . . 104

12 Keysight 53210A/53220A/53230A Assembly Level Service Guide

Does the instrument fail self-test? . . . . . . . . . . . . . . . . . . . . . . . . .104

Types of service available . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .104

Extended service contracts . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .104

Obtaining repair service (worldwide) . . . . . . . . . . . . . . . . . . . . . . . .105

To provide repair information . . . . . . . . . . . . . . . . . . . . . . . . . . . . .106

To pack in the original packaging materials . . . . . . . . . . . . . . . . . .107

To pack in commercially available materials . . . . . . . . . . . . . . . . .107

Warranty . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .108

About the Keysight 53210A/53220A/53230A Calibration Menu . . . .109

Overview of the Keysight 53210A/53220A/53230A calibration

menu . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .109

To get help with the calibration menu functions . . . . . . . . . . . . . .111

To view the calibration menu and security status from the counter

front panel . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 113

To lock the counter against calibration . . . . . . . . . . . . . . . . . . . . . .114

To unlock the counter for calibration: . . . . . . . . . . . . . . . . . . . . . . . 116

To change to a new security code . . . . . . . . . . . . . . . . . . . . . . . . . .117

The Keysight 53210A/53220A/53230A Calibration Procedures . . . . .118

Equipment required . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .118

Determine the counter firmware version . . . . . . . . . . . . . . . . . . . . .119

Calibration cycle . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .121

Calibration string: . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .121

Internal reference oscillator calibration . . . . . . . . . . . . . . . . . . . . .121

Summary of oscillator calibration procedure: . . . . . . . . . . . . . . . . .126

Remote oscillator calibration summary: . . . . . . . . . . . . . . . . . . . . .126

Voltage calibration (internal DACs) . . . . . . . . . . . . . . . . . . . . . . . . .127

Option 106 microwave channel frequency calibration . . . . . . . . . .133

Option 115 microwave channel frequency calibration . . . . . . . . . .140

Internal auto-calibration . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .147

To view the calibration count . . . . . . . . . . . . . . . . . . . . . . . . . . . . .150

Resetting the security code to a null . . . . . . . . . . . . . . . . . . . . . . . .151

Pre-Troubleshooting Information . . . . . . . . . . . . . . . . . . . . . . . . . . . . .152

Safety considerations . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .152

Recommended test equipment . . . . . . . . . . . . . . . . . . . . . . . . . . . .153

Repair considerations . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .154

Keysight 53210A/53220A/53230A Assembly Level Service Guide 13

After service considerations . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 155

Troubleshooting the Counter . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 160

Unit is inoperative . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 160

Unit fails self-test . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 160

Power supply check . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 160

Checking the battery and battery charger . . . . . . . . . . . . . . . . . . . 164

Performing the counter self-test . . . . . . . . . . . . . . . . . . . . . . . . . . . 169

To determine the counter firmware version . . . . . . . . . . . . . . . . . . 170

Reseat the boards . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 172

Re-run the counter self test . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 173

Error Messages . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 174

Command errors (-100...) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 174

Execution errors (-200...) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 174

Hardware errors (-240, -241, -250...) . . . . . . . . . . . . . . . . . . . . . . . 175

Device-specific errors (-300..., +800) . . . . . . . . . . . . . . . . . . . . . . . 176

Query errors (-400...) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 177

Calibration errors (700...) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 177

Self-test errors (901...) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 178

3 Replacing Assemblies

Introduction . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 182

Tools Required . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 183

Do this first . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 183

Electrostatic discharge . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 184

To Remove the Cover and Rear Bezel . . . . . . . . . . . . . . . . . . . . . . . . . 185

To Remove the Internal DC Battery Assembly (Option 300) . . . . . . . . 187

To Remove the GPIB Assembly . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 189

To Remove a 6.0 GHz or 15.0 GHz Microwave Channel Assembly

(Options 106/115) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 190

Re-installing the microwave channel assembly . . . . . . . . . . . . . . . 190

To Remove the Processor Board . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 193

To Remove the Front Panel Assembly . . . . . . . . . . . . . . . . . . . . . . . . . 194

To remove the display assembly from the front panel . . . . . . . . . . 197

14 Keysight 53210A/53220A/53230A Assembly Level Service Guide

To Remove the Motherboard . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .198

To Remove the AC Power Supply Assembly . . . . . . . . . . . . . . . . . . . .199

4 Retrofitting Options

Introduction . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .202

Tools required . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .202

Do This first . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .203

To Retrofit Ultra-High Stability Timebase (Option 010) . . . . . . . . . . .204

To Retrofit the GPIB Connector . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .205

GPIB connector parts (P/N 53200U-400) . . . . . . . . . . . . . . . . . . . .205

Preliminary steps . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .205

GPIB connector installation procedure . . . . . . . . . . . . . . . . . . . . . .206

To Retrofit the Internal Battery DC Power (Option 300) . . . . . . . . . . .207

Option 300 DC power input assembly parts . . . . . . . . . . . . . . . . . .207

Preliminary steps . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .207

Battery assembly installation procedure . . . . . . . . . . . . . . . . . . . . .208

To Retrofit the 53210A (Channel 1) or 53220A/53230A

(Channels 1/2) Rear Panel Inputs (Option 201) . . . . . . . . . . . . . . .213

Option 201 rear panel channel 1/2 parts . . . . . . . . . . . . . . . . . . . .213

Preliminary steps . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .213

Channels 1/2 rear panel retrofit procedure . . . . . . . . . . . . . . . . . .215

To Retrofit the 53210A Channel 2 Front Panel Input

(Option 106 or Option 115, plus Front Panel Option 202) . . . . . . .217

Option 106/115 channel 2 parts . . . . . . . . . . . . . . . . . . . . . . . . . . .217

Option 202 front panel channel 2 parts . . . . . . . . . . . . . . . . . . . . .217

Preliminary steps . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .218

Channel 2 front panel retrofit procedure (53210A) . . . . . . . . . . . .220

To Retrofit the 53210A Channel 2 Rear Panel Input, 6.0 GHz (Option 106)

or 15.0 GHz (Option 115) plus Rear Panel Option 203 . . . . . . . . . .227

Option 106/115 channel 2 parts . . . . . . . . . . . . . . . . . . . . . . . . . . .227

Option 203 rear panel channel 2 parts . . . . . . . . . . . . . . . . . . . . . .227

Preliminary steps . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .228

Channel 2 rear panel retrofit procedure (53210A) . . . . . . . . . . . . .230

Keysight 53210A/53220A/53230A Assembly Level Service Guide 15

To Retrofit the 53220A/53230A Channel 3 Input, 6.0 GHz

(Option 106) or 15.0 GHz (Option 115) plus Front panel

option 202 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 232

Option 202 front panel channel 3 parts . . . . . . . . . . . . . . . . . . . . . 232

Preliminary steps . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 233

Front panel installation procedure (Option 202 only) . . . . . . . . . . 235

To Retrofit the 53220A/53230A Channel 3 Input, 6.0 GHz

(Option 106) or 15.0 GHz (Option 115) plus Rear Panel

Option 203 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 242

Option 203 rear panel channel 3 parts . . . . . . . . . . . . . . . . . . . . . . 242

Preliminary steps . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 243

Rear panel installation procedure (Option 203 only) . . . . . . . . . . . 245

To Retrofit Option 150 (Pulse Microwave Measurements) for the

53230A . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 247

Retrofitting procedure . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 247

5Replaceable Parts

Introduction . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 250

Contacting Keysight Technologies . . . . . . . . . . . . . . . . . . . . . . . . . . . 251

By telephone (in the United States): . . . . . . . . . . . . . . . . . . . . . . . . 251

For mail correspondence, use the address below: . . . . . . . . . . . . . 251

How To Order A Part . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 252

Parts Identification . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 252

Replaceable Parts . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 254

6Backdating

Introduction . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 260

Serial numbers . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 260

Backdating Firmware . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 262

To determine the counter firmware version . . . . . . . . . . . . . . . . . . 262

Procedure Changes . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 264

Information concerning Option 106 “Microwave Input”, FW

Rev (27.0) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 264

16 Keysight 53210A/53220A/53230A Assembly Level Service Guide

Option 106 microwave channel frequency calibration . . . . . . . . . .264

Backdating Hardware . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .271

Backdating Specifications . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .272

Keysight 53210A/53220A/53230A Assembly Level Service Guide 17

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18 Keysight 53210A/53220A/53230A Assembly Level Service Guide

List of Figures

Figure 1-1 Operational verification setup for Keysight

Figure 1-2 Termination Check Setup . . . . . . . . . . . . . . . . . . . . . . .35

Figure 1-3 Absolute timebase test setup . . . . . . . . . . . . . . . . . . .39

Figure 1-4 Test setup for channel 1/2 frequency accuracy tests .43

Figure 1-5 Test Setup for Single Period . . . . . . . . . . . . . . . . . . . .50

Figure 1-6 Pulse width test setup . . . . . . . . . . . . . . . . . . . . . . . . .56

Figure 1-7 Time interval (channel 1 to 2) test setup . . . . . . . . . . .61

Figure 1-8 Option 106 ( 6 GHz ) microwave channel 2/3 test

Figure 1-9 Option 115 ( 15 GHz ) microwave channel 2/3 test

Figure 1-10 Option 106/150 microwave channel 3 test setup . . . .78

Figure 1-11 Option 115/150 microwave channel 3 test setup . . . .84

Figure 2-1 The front panel at a glance . . . . . . . . . . . . . . . . . . . .101

Figure 2-2 Front panel display . . . . . . . . . . . . . . . . . . . . . . . . . . .102

Figure 2-3 Calibration procedure summary . . . . . . . . . . . . . . . .112

Figure 2-4 Information screen . . . . . . . . . . . . . . . . . . . . . . . . . . .120

Figure 2-5 Oscillator calibration setup . . . . . . . . . . . . . . . . . . . .122

Figure 2-6 DC voltage source and DMM connections . . . . . . . .130

Figure 2-7 Microwave source connection to Channel 3 . . . . . . .133

Figure 2-8 Microwave source connection to Channel 3 . . . . . . .141

Figure 2-9 Counter top internal view . . . . . . . . . . . . . . . . . . . . . .158

Figure 2-10 Bottom internal view . . . . . . . . . . . . . . . . . . . . . . . . .159

Figure 2-11 ac Power Supply Testpoint Locations on the

Figure 2-12 Battery folded in the service position . . . . . . . . . . . .165

Figure 2-13 Test Button and Charge Indicator . . . . . . . . . . . . . . .166

Figure 3-1 Handle removal . . . . . . . . . . . . . . . . . . . . . . . . . . . . .185

Figure 3-2 Rear Bezel And Cover Removal . . . . . . . . . . . . . . . . .186

Figure 3-3 Battery assembly temporary position for service or

Figure 3-4 Top view of counter showing GPIB assembly . . . . . .189

53210A/220A/230A . . . . . . . . . . . . . . . . . . . . . . . .33

setup . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .66

setup . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .72

Motherboard assembly (top view, internal battery

removed, test points visible.) . . . . . . . . . . . . . . . .162

Removal . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .188

Keysight 53210A/53220A/53230A Assembly Level Service Guide 19

Figure 3-5 Front flange resting on plastic tab . . . . . . . . . . . . . . 191

Figure 3-6 Processor PC board . . . . . . . . . . . . . . . . . . . . . . . . . . 193

Figure 3-7 Front rubber bumper removal . . . . . . . . . . . . . . . . . . 194

Figure 3-8 Front panel removal . . . . . . . . . . . . . . . . . . . . . . . . . . 195

Figure 4-1 Connector Locking Tab . . . . . . . . . . . . . . . . . . . . . . . 208

Figure 4-2 Jumper cable installed . . . . . . . . . . . . . . . . . . . . . . . 209

Figure 4-3 Digital and Y-cables. . . . . . . . . . . . . . . . . . . . . . . . . . 210

Figure 4-4 Test button and charge indicator . . . . . . . . . . . . . . . 210

Figure 4-5 Battery assembly connectors . . . . . . . . . . . . . . . . . . 211

Figure 4-6 Battery assembly held by three small tabs . . . . . . . . 212

Figure 4-7 Option 201 rear input channels 1 and 2 . . . . . . . . . . 215

Figure 4-8 53210A channel 2 front panel Option 106/202 . . . . 219

Figure 4-9 Processor printed circuit board . . . . . . . . . . . . . . . . . 220

Figure 4-10 T20 TORX screw on motherboard . . . . . . . . . . . . . . . 221

Figure 4-11 Connector-adapter installation . . . . . . . . . . . . . . . . . 222

Figure 4-12 Semi-rigid cable position . . . . . . . . . . . . . . . . . . . . . . 223

Figure 4-13 Front flange resting on plastic tab . . . . . . . . . . . . . . 225

Figure 4-14 53210A channel 2 rear panel Option 106/203 . . . . . 229

Figure 4-15 Channel 2 assembly installed on top of the

motherboard, with the SMA edge connector

pointing toward the rear of the counter. . . . . . . . 230

Figure 4-16 53220A/53230A Option 106/202. . . . . . . . . . . . . . . . 234

Figure 4-17 Processor printed circuit board. . . . . . . . . . . . . . . . . 235

Figure 4-18 T20 TORX screw on motherboard . . . . . . . . . . . . . . . 236

Figure 4-19 Connector-adapter parts . . . . . . . . . . . . . . . . . . . . . . 238

Figure 4-20 Semi-rigid cable position . . . . . . . . . . . . . . . . . . . . . . 239

Figure 4-21 53220A/53230A rear panel option 106/203. . . . . . . 244

Figure 4-22 Channel 3 assembly installed on top of the

motherboard, with the female SMA edge

connector pointing toward the rear. . . . . . . . . . . 245

Figure 5-1 Keysight 53210A/53220A/53230A Counters, top view

(cover off) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 257

Figure 5-2 Keysight 53210A/53220A/53230A Counters, bottom

view (cover off) . . . . . . . . . . . . . . . . . . . . . . . . . . . 258

Figure 6-1 Information screen . . . . . . . . . . . . . . . . . . . . . . . . . . . 263

Figure 6-2 Microwave source connection to channel 3 . . . . . . . 265

20 Keysight 53210A/53220A/53230A Assembly Level Service Guide

List of Tables

Table 1-1 Recommended test equipment for operational

verification and performance tests . . . . . . . . . . . . .28

Table 1-2 The Keysight 53210A/53220A/53230A performance

tests . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 38

Table 2-1 Recommended test equipment for calibration . . . . .118

Table 2-2 Option 106 calibration frequencies and power

levels . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .137

Table 2-3 Option 115 calibration frequencies and power

levels . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .145

Table 2-4 Recommended equipment for test and

troubleshooting . . . . . . . . . . . . . . . . . . . . . . . . . . .153

Table 2-5 Keysight 53210A/53220A/53230A assembly

identification . . . . . . . . . . . . . . . . . . . . . . . . . . . . .156

Table 2-6 DC power supply voltages . . . . . . . . . . . . . . . . . . . . .163

Table 5-1 Table of replaceable parts . . . . . . . . . . . . . . . . . . . . .254

Table 6-1 Instruments this guide directly applies to . . . . . . . . .260

Keysight 53210A/53220A/53230A Assembly Level Service Guide 21

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22 Keysight 53210A/53220A/53230A Assembly Level Service Guide

Keysight 53210A/53220A/53230A 350 MHz Universal Frequency Counter/Timer

Assembly Level Service Guide

1 Performance Tests

Introduction 24 Power-On Test 29 Self-Test (Q) 31 Keysight 53210A/53220A/53230A Operational Verification 33 Keysight 53210A/53220A/53230A Complete Performance Tests 37 Keysight 53210A/53220A/53230A Operational Verification and Performance

Test Record 89

Keysight 53210A/53220A/53230A Performance Test Record (Tests 1 to 7)

Verifying specifications.

1 Performance Tests

Introduction

This chapter provides procedures to test the electrical performance of the Keysight 53210A/53220A/53230A Frequency Counters, using the specifications provided on the CD-ROM (“Keysight 53210A/53220A/53230A Specifications”) that came with your counter. Successful completion of all the performance tests verifies the counter is meeting all factory specifications.

Four types of testing are provided:

– Power-on test

– Counter self-test

– operational Verification Tests

– Complete performance tests

This chapter is organized as follows:

– Introduction

– Power-On Test

– Self-Test (Q)

– Keysight 53210A/53220A/53230A Operational Verification

– Keysight 53210A/53220A/53230A Complete Performance Tests

– Keysight 53210A/53220A/53230A Operational Verification and Performance

Test Record

– Keysight 53210A/53220A/53230A Performance Test Record (Tests 1 to 7)

24 Keysight 53210A/53220A/53230A Assembly Level Service Guide

Chapter overview

Power-on test

When the counter is first turned ON, a limited turn-on test is performed to verify the counter is sufficiently functional to perform basic operations.

Self-test

Running the counter Self-Test initiates a series of checks against internal standards. Successful completion of the Self-Test provides a high confidence level that the counter is completely functional. No external test equipment is required for this operator-initiated test.

Operational verification

The operational verification is an abbreviated check that may be performed to give a strong degree of confidence that the instrument is capable of making basic measurements accurately without running the complete performance tests. An operational verification is useful for incoming inspection and routine preventative maintenance.

Complete performance verification tests

Performance Tests 1

The complete performance verification tests verify the specifications listed on the Keysight 53210A/53220A/53230A Product Reference CD-ROM as “Keysight 53210A/53220A/53230A Specifications.” All tests can be performed without accessing the inside of the instrument. The complete performance tests are recommended as acceptance tests upon initial receipt of your counter. They will also help you to become familiar with its performance and operation. Complete performance tests should be run at least once a year to ensure the counter is meeting all specifications.

Quick performance check A combination of selected performance tests

(marked ‘Q’) plus the counter Self-Test provides a simple method to achieve a high confidence in the counter’s ability to both functionally operate and to meet specifications. These tests represent the absolute minimum set of performance checks recommended following any service activity.

Keysight 53210A/53220A/53230A Assembly Level Service Guide 25

1 Performance Tests

Auditing the counter’s performance for the quick check points (designated by a ‘Q’) verifies performance for normal accuracy drift mechanisms. This test does not check for abnormal component failures. To perform the quick performance check, do the following:

– Perform the counter Self-Test as shown on page 31.

– Perform only the performance verification tests indicated with the letter Q at

the beginning of the test.

– If the counter fails the quick performance check, repair may be required. Refer

to “Troubleshooting the Counter” on page 160.

Remote testing of the counter

All of the counter tests may be run using an automated test system and remote programming commands. Three interfaces are provided in each counter to allow operation over an interface from a remote computer: GPIB, LAN, and USB. Refer to the SCPI Programmer’s Reference for information on the remote commands available for controlling the counter.

Performance test record

The results of the operational verification, and performance tests should be recorded on a copy of the Performance Test Record, located at the end of the complete performance tests section in this chapter.

Test considerations

For optimum performance, all performance tests should comply with the following recommendations:

– Ensure that the ambient temperature for running the Performance Tests is

stable and between 18 degrees C and 28 degrees C. Ideally, the tests should

be performed at 23

– Ensure that ambient relative humidity is less than 80%.

– See page 37 for warm-up considerations.

– Keep the instrument cables as short as possible, consistent with the

impedance requirements. Use only RG-58 or equivalent 50 Ω cable for measurements.

26 Keysight 53210A/53220A/53230A Assembly Level Service Guide

C ±1o C.

– To verify the total number of accuracy places for frequency measurements, it

NOTE

may be necessary to turn off Auto-Digit control. Use this set of key depressions to turn AutoDigits OFF:

[Digits] / (AutoDigits) / <Off>

– The softkey menus shown in the test procedures represent the functionality of

the 53230A. The softkey menus for the 53210A and 53220A may be different depending on the function selected.

Recommended calibration cycle

The counter requires periodic verification of operation. Depending on the use and environmental conditions, aging, and measurement accuracy required, the counter should be checked using the operational verification procedure at least once every year. The recommended calibration cycle for specification accuracy is also one year.

Internal auto-calibration

An Internal Auto-Calibration feature is available (see Chapter 2, "Service") that uses internal instrument standards to refine the accuracy of the counter. It is recommended that Auto-Cal be performed regularly (such as at the beginning of a shift change, starting a contemporary series of measurements, after a large ambient temperature change, etc.) for optimum counter performance.

Performance Tests 1

Auto-calibration is also a subset of the counter sel f-test.

Keysight 53210A/53220A/53230A Assembly Level Service Guide 27

1 Performance Tests

Equipment required

Tab le 1-1 Recommended test equipment for operational verification and

Instrument Required characteristics Recommended model

Microwave signal generator

performance tests

100 MHz to 15 GHz; Freq Accy at 6 GHz and 15 GHz: PW Accy: ±10%

±10ppb;

Keysight E8257D-520-UNW or equivalent

Pulse generator

RF signal generator

Primary frequency standard (10 MHz house standard)

DC power supply Adjustable to 5.000V Keysight 6234A or equivalent

Digital multimeter (DMM) Microvolt accuracy Keysight 34410A or equivalent

SMA(m)-to-BNC(f) adapters (3) Keysight 1250-1200

Type N(m)-to-BNC(f) adapter Keysight 1250-0780

BNC-to-dual banana plug BNC(f) to banana plug (m)

50 Ω coaxial cable with BNC connectors (5)

3.5mm cables (2) DC-18 GHz,matched pair Keysight 11500E

Coaxial BNC tee connector Keysight 1250-0781

5 nSec pulse width 40 pSec

10 MHz

± 2.000E-12

Absolute accuracy > 1 x 10-10

BNC(m) to BNC(m), 48 inches Keysight 10503A

Keysight 81134A or equivalent

Stanford Research Systems CG635

Stanford Research Systems FS725 Rubidium Timebase or equivalent

Keysight E9637A or Newark 10M4161

28 Keysight 53210A/53220A/53230A Assembly Level Service Guide

Power-On Test

NOTE

1 Inspect the counter for any damage. Make sure no cables are connected to the

2 Connect the power cord to the counter, and connect the other end of the

It is normal for the fan in the counter to run at different speeds as necessary (depending upon internal temperature) when the counter is in standby mode. Power to the timebase is continuous to maintain long term measurement reliability, and the fan helps maintain timebase temperature stability.

3 Verify the following condition for the Power LED with power off (lower L/H

4 Press the POWER key (lower left-hand corner of the front panel) to turn on the

Performance Tests 1

input channels (rear and front panels) of the counter.

power cord to the primary power source.

corner of the front panel).

– No OCXO or OCXO in Off mode - LED is off when power is off.

– OCXO present, heated by AC power - LED is on solid when power

is off.

– OCXO present, heated by battery power - LED blinks when power

is off.

counter. Verify the following results:

– The front panel display turns white as all pixels are illuminated.

– The LED under the power switch is on solid.

– After several seconds, a screen is briefly displayed that shows the status

and ID of the IP Address and the GPIB address. The factory default GPIB address is 3. (“Disabled” means the GPIB is turned Off under [Utility] / (I/O

Config).

– The counter is now ready to measure frequency of a signal applied to

CHANNEL 1 input as indicated by illumination of the Freq softkey and Channel 1 annunciator.

An auto-cal is performed at power-on. (See “To run auto calibration:” on page 148 for more information.)

Keysight 53210A/53220A/53230A Assembly Level Service Guide 29

1 Performance Tests

NOTE

If a fail message is displayed at power-on, refer to “Troubleshooting the

Counter” on page 160 of this service guide.

5 Mark Pass or Fail in the Keysight 53210A/53220A/53230A Power-ON Test

Record, Test 1, at the end of this chapter.

The power-on hardware initialization activities check the following circuits for operation:

– Front panel display driver

–Power manager

– Battery (if installed)

–GPIB

– Measurement board hardware

30 Keysight 53210A/53220A/53230A Assembly Level Service Guide

Self-Test (Q)

NOTE

Performance Tests 1

A brief power-on test occurs automatically whenever you turn on the counter. This limited test assures that the counter is functional.

It is recommended that the counter Self-Test be performed to ensure that the instrument is completely functional before running the Operational Verification or Performance Tests.

SELF-TEST and the remote command *TST perform the same internal tests.

An auto-calibration is performed as a subset of the counter Self-Test. (See “Internal auto-calibration” on page 147 for more information.)

After turn-on, or at any time a reasonable operational status needs to be verified, the internal Self-Test can be run.

Run internal self-test

1 Disconnect any input signal(s) from the counter.

2 Press the Utility key and then the Instr Setup softkey.

Keysight 53210A/53220A/53230A Assembly Level Service Guide 31

1 Performance Tests

NOTE

The Instrument Setup menu softkeys are displayed:

3 Press the Sel f Test softkey. The display shows:

– “Performing Self-Test. Please wait...” (displayed for several seconds.)

– If the self-test passes, “Self-Test Passed.” is momentarily displayed.

If “Self-Test Failed” is displayed or any other failure is indicated, refer to the troubleshooting section in Chapter 2, "Service" on page 99.

4 Mark Pass or Fail in the “Keysight 53210A/53220A/53230A Performance Test

Record (Tests 1 to 7)” on page 90.

32 Keysight 53210A/53220A/53230A Assembly Level Service Guide

Performance Tests 1

Int Ref Out

Ch 1

NOTE

Keysight 53210A/53220A/53230A Operational Verification

The operational verification consists of checks that may be performed at any time to give a high degree of confidence that the instrument is operating properly, without running the complete performance tests.

These checks represent the minimum set of tests recommended following any option retrofit installations (Refer to Chapter 4, "Retrofitting Options").

If you are unfamiliar with the operation of the counter, you can review the “Keysight 53210A/53220A/53230A Quick Start Tutorial.” However, the procedures in this chapter are written so that little operational experience is necessary. The procedures should be followed in the order in which they appear.

Frequency checks

1 Connect the counter’s rear-panel Int Ref Out as shown in

Figure 1-1 to the front panel Channel 1 input connector.

Figure 1-1 Operational verification setup for Keysight 53210A/220A/230A

If the counter has Option 201 (rear panel input connectors) installed, connect the Int Ref Out to the rear panel Channel 1 input connector and NOT the front panel Channel 1 input connector.

Keysight 53210A/53220A/53230A Assembly Level Service Guide 33

1 Performance Tests

NOTE

2 Press the Preset key to preset the counter.

3 Verify the display shows a frequency reading of approximately 10,000,000 Hz.

4 Mark Pass or Fail in the “Keysight 53210A/53220A/53230A Performance Test

Record (Tests 1 to 7)” on page 90.

The remaining steps apply only to the Keysight 53220A and Keysight 53230A53230A since the Keysight 53210A does not have a second RF frequency input.

5 In the same way as for Channel 1, connect the Int Ref Out to the Channel 2 input

connector (front or rear panel).

6 Press the Channel 2 button.

If necessary, press the Freq/Period key to read the Channel 2 frequency.

–Channel 1 annunciator is not lit. Channel 2 annunciator is lit.

7 Verify the display shows a frequency reading of approximately 10,000,000 Hz.

8 Mark Pass or Fail in the “Keysight 53210A/53220A/53230A Performance Test

Record (Tests 1 to 7)” on page 90.

9 Disconnect the test setup.

34 Keysight 53210A/53220A/53230A Assembly Level Service Guide

Termination checks (optional)

NOTE

DMM

Ch 1

HI LO

Once the termination checks have been successfully performed, it is usually not necessary to run them again unless the counter’s motherboard has been replaced.

1 Press the Preset key to preset the counter.

2 Connect a digital multimeter (DMM) to CHANNEL 1 as shown in Figure 1-2, and

set it to measure ohms (set DMM to appropriate Ohms range). On the DMM, use a dual-banana plug-to-BNC connector.

Performance Tests 1

Figure 1-2 Termination Check Setup

3 Press the Channel 1 key.

– The LED turns on and the Channel 1 Setup softkeys are displayed:

Keysight 53210A/53220A/53230A Assembly Level Service Guide 35

1 Performance Tests

NOTE

4 Select the following:

– Coupling: DC

–The DC annunciator indicates DC input coupling for Channel 1.

– Impedance: 50 Ω

–The 50 Ω annunciator turns on, indicating a 50 Ω input impedance for

5 Verify the DMM reads approximately 50 Ohms.

6 Mark Pass or Fail in the “Keysight 53210A/53220A/53230A Performance Test

Record (Tests 1 to 7)” on page 90.

7 Select the following:

– Impedance: 1 MΩ.

–The 1 MΩ annunciator turns on, indicating a 1 MΩ input impedance for

Channel 1.

8 Verify the DMM reads approximately 1.000 MOhm.

9 Mark Pass or Fail in the “Keysight 53210A/53220A/53230A Performance Test

Record (Tests 1 to 7)” on page 90.

10 Repeat steps 2 through 9 for RF Channel 2 for the Keysight 53220A/53230A

counters ONLY, since the Keysight 53210A counter does not have a standard RF Channel 2.

Channel 1.

11 Mark Pass or Fail in the Keysight 53220A/53230A Operational Verification Test

Record, Tests 6a and 6b for Chan 2, starting on page 90.

12 Disconnect the test setup.

This completes the operational verification testing for the Keysight 53210A/ 53220A/53230A.

36 Keysight 53210A/53220A/53230A Assembly Level Service Guide

Performance Tests 1

NOTE

Keysight 53210A/53220A/53230A Complete Performance Tests

The following seven performance tests, when successful, verify that the counter meets the instrument specifications as provided on the CD ROM that came with your Keysight 53210A/53220A/53230A Counter. See also the information on running a ‘QUICK’ performance test on page 25. Before running these tests, review the “Test considerations” on page 26.

Record the results of the performance tests in the appropriate place on the

“Keysight 53210A/53220A/53230A Performance Test Record (Tests 1 to 7)” on

page 90.

To verify the total number of accuracy places for frequency measurements, it may be necessary to turn off Auto-Digit control. Use this set of key depressions to turn AutoDigits OFF:

[Digits] / (AutoDigits) / <Off>

If the instrument is currently located in the calibration environment with the power removed, turn on the instrument and allow a 45 minute warm-up period before starting the Performance Test procedures. Upon receipt and delivery to the calibration environment, turn on the instrument and allow a 2½ hour warm-up/stabilization period before starting the procedures.

If it is known that the instrument has been in storage or decommissioned (unused) for several months, turn on the instrument and allow it to stabilize for 72 hours. Periodically monitor the aging (drift) rate relative to the counter’s 24-hour specification. If the aging rate exceeds the 24-hour specification, allow an additional stabilization period and continue to monitor the rate relative to the specification. The counter has stabilized when aging remains within the 24-hour rate. Otherwise, the 45 minute or 2½ warm-up period applies.

An instrument that has not or will not be used for several months should be stored in the same ambient environment and orientation in which it will eventually be used.

Keysight 53210A/53220A/53230A Assembly Level Service Guide 37

1 Performance Tests

Tab le 1-2 The Keysight 53210A/53220A/53230A performance tests

[a]

Test description

Test 1: Absolute time base

Test 2: Frequency accuracy - channels 1 and 2

Test 3: Single period

Test 4: Pulse width

Test 5: Time interval

Test 6: Frequency accuracy - microwave channel options 106 and 115

Test 7: Pulse burst frequency - 53230A channel 3 option 150

[a] Other counter measurement functions are mathematically derived by the processor from the

parameters verified by these performance tests.

Test 1: (Q) Absolute time base

This test uses the Keysight 53210A/53220A/53230A Frequency Counters to measure the absolute frequency of the internal 10 MHz clock.

Equipment

– FS725 Rubidium timebase

– CG635 signal generator (E8257D-520 is a valid substitute)

– Keysight 10503 BNC cables (2)

CG635 signal generator setup

1 Set Output Channel: Q

2 Set Output Level: +7 dBm

3 Set Frequency: 10 MHz

38 Keysight 53210A/53220A/53230A Assembly Level Service Guide

Performance Tests 1

FS725

Rubidium

Timebase

CG635 Signal Generator

Ch 1

Counter setup

1 Connect the equipment as shown in Figure 1-3.

Figure 1-3 Absolute timebase test setup

2 Press the Preset key on the front panel to preset the counter.

–Display shows:

– Instrument has been preset.

– Channel 1 annunciator is lit.

3 Press the Trigger key.

– The following softkeys are displayed:

4 Press and set:

– Trigger Source: Manual

Keysight 53210A/53220A/53230A Assembly Level Service Guide 39

– Wait For Trig is displayed.

– Rdgs/Trigger: 100.

1 Performance Tests

*Opt 150

NOTE

5 Press the Freq Period key.

– The following softkeys are displayed:

6 Press the Freq softkey.

– The following softkeys are displayed:

7 Press and set:

– Noise Rejection: Off

8 Press the Frequency/Period key.

– The following softkeys are displayed:

–If Ad vanced is appears, press Auto to select Auto measurement mode.

The 53210A does not have an Auto measurement mode.

40 Keysight 53210A/53220A/53230A Assembly Level Service Guide

9 Press the Channel 1 input key.

– The following softkeys are displayed:

10 Press and set:

– Coupling: DC

– Input Impedance: 50 Ω

– Range: 5 V

– Level Setup / Auto Level: Off

– Level Setup / Input Level: 0.000 V

–BW Limit: Off

–Probe: None

11 Press the Math key.

Performance Tests 1

–The Math softkeys are displayed:

12 Press to set:

–All Math: On

Keysight 53210A/53220A/53230A Assembly Level Service Guide 41

1 Performance Tests

13 Press the Statistics softkey:

–The Statistics softkeys are displayed:

14 Press to set:

– Statistics: On

– The display shows:

Absolute timebase test procedure

1 Press the Trigger key to manually trigger the counter.

– Counter takes 100 readings and fills in Math functions.

2 Verify the ‘Mean’ displays a reading of:

– 10 MHz ± 10 Hz (for standard timebase)

– 10 MHz ± 0.5 Hz (for Option 010 high stability timebase)

3 Record the ‘Mean’ test value, Test 1, in the “Keysight 53210A/53220A/53230A

Performance Test Record (Tests 1 to 7)” on page 90.

4 Proceed to Test #2 or disconnect the test setup.

42 Keysight 53210A/53220A/53230A Assembly Level Service Guide

Test 2: (Q) Frequency accuracy - channels 1 and 2

Opt 010 UOCXO

Line 100-240V, 50-60 Hz 100-127V, 400 Hz 90VA Max

USB LAN

Int Ref Out Trig In

Ext Re f In Gate In/Ou t

Ch 1 Opt 201 Ch 2 GP-IB

Opt 106/115

IECS / NMB-001

N10149

ISM 1-A

C US

Opt 106 100 MHz -6 G Hz +27 dBm Max

Opt 300 Battery

Opt 115 300 MHz - 15 GHz +27 dBm Max

FS725 Rubidium Timebase

Ext Ref In

CG635 Signal Generator

Ch 1

This set of tests verifies the Channel 1 and 2 frequency accuracy specifications of the Keysight 53210A/53220A/53230A Frequency Counters.

Equipment

– FS725 Rubidium timebase

– CG635 synthesized signal generator (E8257D-520 is a valid substitute)

– Keysight 10503A BNC cables (3)

CG635 signal generator setup

1 Set output channel: Q

2 Set output level: +7 dBm

3 Set frequency: 10 MHz

Counter setup

1 Connect the test equipment to the counter as shown in Figure 1-4.

Performance Tests 1

Figure 1-4 Test setup for channel 1/2 frequency accuracy tests

Keysight 53210A/53220A/53230A Assembly Level Service Guide 43

1 Performance Tests

*Opt 150

NOTE

2 With the external reference connected, use the following key sequence to

select (as necessary) the time base source to ‘Auto’ or ‘External’, and the external reference frequency of 10 MHz:

3 Press the Preset key to preset the counter.

– Display shows:

– Instrument has been preset.

– Ext Ref is shown in the upper right-hand corner of the display.

– The following softkeys are displayed:

4 Press and set:

–Measurement mode: Ad vanced / Auto

The 53210A does not have an Auto measurement mode.

44 Keysight 53210A/53220A/53230A Assembly Level Service Guide

5 Press the Freq softkey.

– The following softkeys are displayed:

6 Press and set:

– Noise Rejection: Off

7 Press the Trigger key.

– The following softkeys are displayed:

8 Press and set:

– Trigger Source: Manual

Performance Tests 1

– Wait For Trig is displayed.

– Rdgs/Trigger: 100

9 Press the Gate key.

–The Gate softkeys are displayed:

10 Press and set:

– Gate src: Timed

–Gate time: 10 mSec

– Gate out: On

–Polarity: Norm

Keysight 53210A/53220A/53230A Assembly Level Service Guide 45

1 Performance Tests

11 Press the Channel 1 input key.

12 Press and set:

– Coupling: DC

– Input impedance: 50 Ω

– Range: 5 V

–BW Limit: Off

– Level Setup / Auto Level: Off

– Level Setup / Input Level: 0.000 V

13 Press the Math key.

– The following softkeys are displayed:

14 Press and set:

–All math: On

46 Keysight 53210A/53220A/53230A Assembly Level Service Guide

15 Press the Statistics softkey.

–The Statistics softkeys are displayed:

16 Press to set:

– Statistics: On

– The display shows:

Performance Tests 1

Frequency accuracy test procedure

1 Press the Trigger key to manually trigger the counter.

– Counter takes 100 readings and fills in Math functions.

2 Verify the ‘Mean’ is:

– 10 MHz ± 100 mHz (for 53210A)

– 10 MHz ± 10 mHz (for 53220A/53230A)

3 Verify the ‘Std Dev’ is less than:

– 140 mHz (for 53210A)

– 70 mHz (for 53220A)

– 14 mHz (for 53230A)

Keysight 53210A/53220A/53230A Assembly Level Service Guide 47

1 Performance Tests

4 Record the ‘Mean’ and ‘Std Dev’, Test 2a, for Channel 1 (10 MHz), in the

“Keysight 53210A/53220A/53230A Performance Test Record (Tests 1 to 7)” on

page 90.

5 Press the Reset Stats softkey.

6 Set CG635 output frequency to 115 MHz and repeat step 1.

7 Verify the ‘Mean’ is:

– 115 MHz ± 1.150 Hz (for 53210A)

– 115 MHz ± 0.115 Hz (for 53220A/53230A)

8 Verify the ‘Std Dev’ is less than:

– 1610 mHz (for 53210A)

– 805 mHz (for 53220A)

– 161 mHz (for 53230A)

9 Record the ‘Mean’ and ‘Std Dev’, Test 2a, for Channel 1 (115 MHz), in the

“Keysight 53210A/53220A/53230A Performance Test Record (Tests 1 to 7)” on

page 90.

10 Press the Reset Stats softkey.

11 Set CG635 output frequency to 350 MHz, and repeat step 1.

12 Verify the ‘Mean’ is:

– 350 MHz ± 3.5 Hz (for 53210A)

– 350 MHz ± 0.350 Hz (for 53220A/53230A)

13 Verify the ‘Std Dev’ is less than:

– 4 900 mHz (for 53210A)

– 2 450 mHz (for 53220A)

– 490 mHz (for 53230A)

14 Record the ‘Mean’ and ‘Std Dev’, Test 2a, for Channel 1 (350 MHz), in the

“Keysight 53210A/53220A/53230A Performance Test Record (Tests 1 to 7)” on

page 90.

15 Press the Reset Stats softkey.

16 Repeat the procedure above (steps 1 to 15) for Channel 2. Be sure to set up

Channel 2 (steps 11 and 12 under “Counter Setup”.)

48 Keysight 53210A/53220A/53230A Assembly Level Service Guide

NOTE

Step 16 applies only to the 53220A and 53230A. The 53210A does not have a

NOTE

Channel 2 for RF frequencies. Also, selecting Channel 2 automatically resets the statistics.

17 Record the ‘Mean’ and ‘Std Dev’ for all three Channel 2 frequencies, Test 2b,

Channel 2, in the “Keysight 53210A/53220A/53230A Performance Test Record

(Tests 1 to 7)” on page 90.

18 Press the Reset Stats softkey.

19 Proceed to Test #3 or disconnect the test setup.

Test 3: Single period

This test measures a single period of a signal. The period is measured from rising edge to rising edge on a single channel.

Test #3 applies to the 53220A and 53230A only.

Performance Tests 1

Equipment

– FS725 Rubidium timebase

– CG635 Synthesized signal generator

– Keysight 10503 BNC cables (3)

CG635 signal generator setup

1 Set Output Channel: Q

2 Set Output Level: +7 dBm

3 Set Frequency: 1 MHz

Keysight 53210A/53220A/53230A Assembly Level Service Guide 49

1 Performance Tests

Opt 010 UOCXO

Line 100-240V, 50-60 Hz 100-127V, 400 Hz 90VA Max

USB LAN

Int Ref Out Trig In

Ext Re f In Gate In/Ou t

Ch 1 Opt 201 Ch 2 GP-IB

Opt 106/115

IECS / NMB-001

N10149

ISM 1-A

C US

Opt 106 100 MHz -6 G Hz +27 dBm Max

Opt 300 Battery

Opt 115 300 MHz - 15 GHz +27 dBm Max

FS725 Rubidium Timebase

Ext Ref In

CG635 Signal Generator

Ch 1

Counter setup

1 Connect the equipment as shown in Figure 1-5.

Figure 1-5 Test Setup for Single Period

2 Press the Preset key to preset the counter.

– Display shows:

– Instrument has been preset.

– Ext Ref is shown in the upper right-hand corner of the display.

3 On the Counter, press the Time Interval key.

– The following softkeys are displayed:

50 Keysight 53210A/53220A/53230A Assembly Level Service Guide

4 Press the Single Period softkey.

– The following softkeys are displayed:

5 Press and set:

–Auto Level: Off

– Level: 0 V

–Noise Rej: Off

6 Press the Channel 1 key.

– The Channel 1 Setup menu softkeys are displayed.

Performance Tests 1

7 Press and set:

– Coupling: DC

– Impedance: 50 Ω

– Range: 5 V

–BW Limit: Off

8 Press the Trigger key.

– The trigger softkeys are displayed:

Keysight 53210A/53220A/53230A Assembly Level Service Guide 51

1 Performance Tests

9 Press and set:

–Source: Manual

– Wait For Trig is displayed.

–Trig Delay: 0 Second s

–Rdgs/Trigger: 100

10 Press the Math key.

– The following softkeys are displayed:

11 Press and set:

–All Math: On

12 Press the Statistics softkey:

–The Statistics softkeys are displayed:

52 Keysight 53210A/53220A/53230A Assembly Level Service Guide

13 Press to set:

– Statistics: On

– The display shows:

Single period test procedure

1 Press the Trigger key.

– Counter takes 100 readings and fills in Math functions.

2 Verify the ‘Mean’ is:

– 1.00 uSec ± 0.200 nSec (53220A)

– 1.00 uSec ± 0.100 nSec (53230A)

Performance Tests 1

3 Verify the ‘Std Dev’ is less than:

– 0.140 nSec (53220A)

– 0.028 nSec (53230A)

4 Record the ‘Mean’ and ‘Std Dev’ for 1 MHz, Channel 1, Test 3a, in the

Keysight 53220A/53230A Performance Test Record starting on page 90.

5 Press the Reset Stats softkey.

6 Set the CG635 output frequency to 250 MHz.

7 Press the Trigger key.

– Counter takes 100 readings and fills in Math functions.

Keysight 53210A/53220A/53230A Assembly Level Service Guide 53

1 Performance Tests

NOTE

8 Verify the ‘Mean’ is:

– 4.00 nSec ± 0.200 nSec (53220A)

– 4.00 nSec ± 0.100 nSec (53230A)

9 Verify the ‘Std Dev’ is less than:

– 0.140 nSec (53220A)

– 0.028 nSec (53230A)

10 Record the ‘Mean’ and ‘Std Dev’ for 250 MHz, Channel 1, Test 3b, in the

Keysight 53220A/53230A Performance Test Record starting on page 90.

11 Press the Reset Stats softkey.

12 Repeat steps 1 to 11 for Channel 2. Be sure to perform the Channel 2 setup

(see steps 6 and 7 under “Counter Setup”.)

Selecting Channel 2 automatically resets the statistics.

13 Record the ‘Mean’ and ‘Std Dev’ for 1 MHz and 250 MHz, Channel 2, Test 3c

and 3d, in the Keysight 53220A/53230A Performance Test Record starting on

page 90.

14 Press the Reset Stats softkey.

15 Proceed to Test #4 or disconnect the setup.

54 Keysight 53210A/53220A/53230A Assembly Level Service Guide

Test 4: (Q) Pulse width

NOTE

This test uses the Keysight 53220A/53230A Counter to measure the width of a narrow pulse from a pulse generator.

Test #4 applies to the 53220A and 53230A only.

Equipment

– FS725 Rubidium timebase

– Keysight 81134A pulse generator

Keysight 10503 BNC cables (3)

– Keysight 15443A (SMA) cable or Keysight 11500E (3.5 mm) cable

– Keysight 1250-1200 BNC(f)-to-SMA(m) adapter (2)

81134A setup

– Output Level: 1 Vpp

– Period: 66.6 nSec

Performance Tests 1

– Pulse Width: 5 nSec

Keysight 53210A/53220A/53230A Assembly Level Service Guide 55

1 Performance Tests

Opt 010 UOCXO

Line 100-240V, 50-60 Hz 100-127V, 400 Hz 90VA Max

USB LAN

Int Ref Out Trig In

Ext Re f In Gate In/Ou t

Ch 1 Opt 201 Ch 2 GP-IB

Opt 106/115

IECS / NMB-001

N10149

ISM 1-A

C US

Opt 106 100 MHz -6 G Hz +27 dBm Max

Opt 300 Battery

Opt 115 300 MHz - 15 GHz +27 dBm Max

FS725 Rubidium Timebase

Ext Ref In

81134A Pulse Generator

Ch 1

Counter setup

1 Connect the equipment as shown in Figure 1-6.

Figure 1-6 Pulse wid th test setup

2 Press the Preset key to preset the counter.

– Display shows:

– Instrument has been preset.

– Ext Ref is shown in the upper right-hand corner of the display.

3 Press the Time Interval key.

– The following softkeys are displayed:

56 Keysight 53210A/53220A/53230A Assembly Level Service Guide

4 Press the Pulse Wid th softkey.

– The following softkeys are displayed:

5 Press and set:

–Set width: pos

–auto level: Off

– Input level: +0.00 V

– Set noise rejection: Off

6 Press the Trigger key.

Front panel display shows:

Performance Tests 1

7 Press and set:

–Source: Manual

– Wait For Trig is displayed

– Rdgs/Trigger: 100

–Trig Delay: 0 Seconds

Keysight 53210A/53220A/53230A Assembly Level Service Guide 57

1 Performance Tests

8 Press the Channel 1 key:

– The Channel 1 Setup softkeys are displayed:

9 Press and set:

– Coupling: DC

– Input Impedance: 50 Ω

– Range: 5 V

–BW Limit: OFF

10 Press the Math key.

– The following softkeys are displayed:

11 Press and set:

–All math: On

12 Press the Statistics softkey:

–The Statistics softkeys are displayed:

58 Keysight 53210A/53220A/53230A Assembly Level Service Guide

13 Press to set:

NOTE

– Statistics: On

– The display shows:

Pulse wid th test procedure

1 Press the Trigger key.

– Counter takes 100 readings and fills in Math functions.

2 Verify the ‘Mean’ is:

– 5 ± 0.4 nSec (53220A)

– 5 ± 0.2 nSec (53230A)

Performance Tests 1

3 Verify the ‘Std Dev’ is less than:

– 0.140 nSec (53220A)

– 0.028 nSec (53230A)

4 Record the Mean and Standard Deviation for Channel 1, Test 4a, in the

“Keysight 53210A/53220A/53230A Performance Test Record (Tests 1 to 7)” on

page 90.

5 Repeat steps 1 to 3 for Channel 2 (Test 4b). Be sure to do the Channel 2 setup

first. (See steps 8, 9 in the Counter setup above.)

Selecting Channel 2 automatically resets the statistics.

Keysight 53210A/53220A/53230A Assembly Level Service Guide 59

1 Performance Tests

NOTE

6 Record the Mean and Standard Deviation for Channel 2, Test 4b, in the

“Keysight 53210A/53220A/53230A Performance Test Record (Tests 1 to 7)” on

page 90.

7 Proceed to Test #5 or disconnect the test setup.

Test 5: (Q) Time interval

This test verifies the time interval specifications between Channel 1 and Channel 2.

Test #5 applies to the 53220A and 53230A only.

Equipment

– FS725 Rubidium timebase

– Keysight 81134A pulse generator

– Keysight 10503 BNC cables (2)

– Keysight 11500E (3.5) mm cables (2)

– Keysight 1250-1200 BNC(f)-to-SMA(m) adapter

The 3.5 mm cables must be the exact same length or erroneous measurements will occur.

81134A setup

– Output Level: 1 Vpp

– Period: 66.6 nSec

– Pulse Width Ch1: 5 nSec

– Pulse Width Ch2: 5 nSec

– Delay Ch2: 49.9 nSec

60 Keysight 53210A/53220A/53230A Assembly Level Service Guide

Counter setup

Opt 010 UOCXO

Line 100-240V, 50-60 Hz 100-127V, 400 Hz 90VA Max

USB L AN

Int Re f Ou t Trig In

Ext Re f In G ate In /Ou t

Ch 1 Op t 201 Ch 2 GP-IB

Opt 106/115

IECS / NMB-001

N10149

ISM 1-A

C US

Opt 106 100 MHz - 6 GHz +27 dBm Max

Opt 300 Battery

Opt 115 300 MHz - 15 GHz +27 dBm Max

FS725 Rubidium Timebase

Ext Ref In

81134A Pulse Generator

Ch 1 Ch 2

1 Connect the equipment as shown in Figure 1-7.

Performance Tests 1

Figure 1-7 Time interval (channel 1 to 2) test setup

2 Press the Preset key to preset the counter.

–Display shows:

– Instrument has been preset.

– Ext Ref is shown in the upper right-hand corner of the display.

3 Press the Time Interval key.

– The following softkeys are displayed:

4 Press the Time Interval softkey.

Keysight 53210A/53220A/53230A Assembly Level Service Guide 61

1 Performance Tests

NOTE

–The Time Interval softkeys are displayed:

5 Press to set Time Int: 1-2.

Time Int 2-1 could also be tested, but only one test is required. If Time Int 2-1 is

used, set the 81134A to delay Channel 1 by 49.9 nSec instead of Channel 2.

6 Press the Start Ch Level softkey.

7 The following softkeys are displayed:

8 Press and set:

–Slope: Pos

–Auto Level: Off

– Level: 0 V

–Noise Rej: Off

9 Press the Back key.

10 Press the Stop Ch Level softkey.

11 Press and set:

–Slope: Pos

–Auto Level: Off

– Level: 0 V

–Noise Rej: Off

62 Keysight 53210A/53220A/53230A Assembly Level Service Guide

12 Press the Trigger key.

– Front panel display shows:

13 Press to set:

–Source: Manual

– Wait For Trig is displayed

– Rdgs/Trigger: 100

–Trig Delay: 0 seconds

14 Press the Math key.

– The following softkeys are displayed:

Performance Tests 1

15 Press and set:

–All Math: On

Keysight 53210A/53220A/53230A Assembly Level Service Guide 63

1 Performance Tests

16 Press the Statistics softkey:

–The Statistics softkeys are displayed:

17 Press to set:

– Statistics: On

The display shows:

Time interval test procedure

1 Press the Trigger key.

– The counter takes 100 readings and fills in the math functions.

2 Verify the ‘Mean’ is:

– 49.9 ± 0.5 nSec (53220A)

– 49.9 ± 0.25 nSec (53230A)

3 Verify the ‘Std Dev’ is less than:

– 0.140 nSec (53220A)

– 0.028 nSec (53230A)

4 Record the Median and Standard Deviation, Test 5, in the “Keysight 53210A/

53220A/53230A Performance Test Record (Tests 1 to 7)” on page 90.

5 Proceed to Test #6 or disconnect the test setup.

64 Keysight 53210A/53220A/53230A Assembly Level Service Guide

Performance Tests 1

NOTE

Test 6a: (Q) Frequency accuracy - channel 2/3, option 106 (6 GHz microwave channel)

This test verifies the frequency accuracy of Option 106 Channel 2 (53210A) or Channel 3 (53220A/53230A) at two frequencies (100 MHz and 5.88 GHz).

Equipment

– FS725 Rubidium timebase

– Keysight E8257D-520 microwave signal generator

– Keysight 10503A BNC cable (2)

– Keysight 11500E (3.5) mm cable

– Keysight 1250-1250 N(M) to SMA(F)

E8257D-520 setup

– Output Frequency: 100 MHz

– Output Power: -27 dBm

The input power MUST be -27 ±0.5 dBm at the channel 3 input connector. If necessary, use a 3.5 mm cable with certified loss at 100 MHz or a power meter to verify input power.

Keysight 53210A/53220A/53230A Assembly Level Service Guide 65

1 Performance Tests

Opt 010 UOCXO

Line 100-240V, 50-60 Hz 100-127V, 400 Hz 90VA Max

USB L AN

Int Re f Ou t Trig In

Ext R ef In Gate In/O ut

Ch 1 Op t 201 C h 2 GP -IB

Opt 106/115

IECS / NMB-001

N10149

ISM 1-A

C US

Opt 106 100 MHz -6 G Hz +27 dBm Max

Opt 300 Battery

Opt 115 300 MHz - 15 GHz +27 dBm Max

FS725 Rubidium Timebase

Ext Ref In

E8257D-520 Microwave Signal Generator

Ch 2/3

NOTE

Counter setup

1 Press the Preset key to preset the counter.

2 Connect the equipment as shown in Figure 1-8.

Figure 1-8 Option 106 ( 6 GHz ) microwave channel 2/3 test setup

For the Keysight 53210A Counter, Option 106 is installed as Channel 2. For the Keysight 53220A and 53230A Counters, Option 106 is installed as Channel 3. For this procedure, “Channel 3” is used to refer to the microwave input channel.

66 Keysight 53210A/53220A/53230A Assembly Level Service Guide

Performance Tests 1

NOTE

3 Press the Channel 3 input key.

– Channel 3 is selected for test input.

There are no parameters to set for Channel 3 for this test.

4 Press the Gate key.

–The Gate softkeys are displayed:

5 Press and set:

– Gate Src: Timed

– Gate Out: On

–Gate Time: 10 mSec

6 Press the Trigger key.

–The Trigger softkeys are displayed:

Keysight 53210A/53220A/53230A Assembly Level Service Guide 67

1 Performance Tests

7 Press to set:

–Source: Manual

– Wait For Trig is displayed

–Rdgs/Trigger: 100

–Trig Delay: 0 second s

8 Press the Math key.

–The Math softkeys are displayed:

9 Press to set:

–All Math: On

10 Press the Statistics softkey:

–The Statistics softkeys are displayed:

68 Keysight 53210A/53220A/53230A Assembly Level Service Guide

Performance Tests 1

NOTE

11 Press to set:

– Statistics: On

– The display shows:

Channel 3 (option 106) frequency accuracy test procedure

1 Press the Trigger key.

– The counter takes 100 readings and fills in the math functions.

2 Verify the ‘Mean’ is:

– 100 MHz ± 1.000 Hz (53210A)

– 100 MHz ± 100 mHz (53220A/53230A)

3 Verify the ‘Std Dev’ is less than:

– 1.400 Hz (53210A)

– 700 mHz (53220A)

– 140 mHz (53230A)

4 Record the Mean and Standard Deviation for 100 MHz, Test 6a,

in the Keysight 53210A/53220A/53230A Performance Test Record.

5 Press the Reset Stats softkey.

6 Set the E8257D-520 to 5.88 GHz at -27 dBm.

The input power MUST be -27 ±0.5 dBm at the channel 3 input connector. If necessary, use a 3.5 mm cable with certified loss at 5.88 GHz or a power meter to verify input power.

Keysight 53210A/53220A/53230A Assembly Level Service Guide 69

1 Performance Tests

7 Press the Trigger key.

– The counter takes 100 readings and fills in the math functions.

8 Verify the ‘Mean’ is:

– 5.88 GHz ± 58.800 Hz (53210A)

– 5.88 GHz ± 5.880 Hz (53220A/53230A)

9 Verify the ‘Std Dev’ is less than:

– 82.300 Hz (53210A)

– 41.100 Hz (53220A)

– 8.230 Hz (53230A)

10 Record the Mean and Standard Deviation for 5.88 GHz, Test 6a,

in the Keysight 53210A/53220A/53230A Performance Test Record.

11 Press the Reset Stats softkey.

12 If Opt 150 is installed, proceed to Test 7a. Otherwise, disconnect the test

setup.

70 Keysight 53210A/53220A/53230A Assembly Level Service Guide

Performance Tests 1

NOTE

Test 6b: (Q) Frequency accuracy - channel 2/3, option 115 (15 GHz microwave channel)

This test verifies the frequency accuracy of Option 115 Channel 2 (53210A) or Channel 3 (53220A/53230A) at three frequencies (300 MHz, 3.1 GHz, and 15.0 GHz).

Equipment

– FS725 Rubidium timebase

– Keysight E8257D-520 microwave signal generator

– Keysight 10503A BNC cable (2)

– Keysight 11500E (3.5) mm cable

– Keysight 1250-1250 N(M) to SMA(F)

E8257D-520 setup

– Output Frequency: 300 MHz

– Output Power: -23 dBm

The input power MUST be -23 ±0.5 dBm at the channel 3 input connector. If necessary, use a 3.5 mm cable with certified loss at 300 MHz or a power meter to verify input power.

Keysight 53210A/53220A/53230A Assembly Level Service Guide 71

1 Performance Tests

Opt 010 UOCXO

Line 100-240V, 50-60 Hz 100-127V, 400 Hz 90VA Max

USB L AN

Int Re f Ou t Trig In

Ext R ef In Gate In/O ut

Ch 1 Op t 201 C h 2 GP -IB

Opt 106/115

IECS / NMB-001

N10149

ISM 1-A

C US

Opt 106 100 MHz -6 G Hz +27 dBm Max

Opt 300 Battery

Opt 115 300 MHz - 15 GHz +27 dBm Max

FS725 Rubidium Timebase

Ext Ref In

E8257D-520 Microwave Signal Generator

Ch 2/3

NOTE

Counter setup

1 Press the Preset key to preset the counter.

2 Connect the equipment as shown in Figure 1-9.

Figure 1-9 Option 115 ( 15 GHz ) microwave channel 2/3 test setup

For the Keysight 53210A Counter, Option 115 is installed as Channel 2. For the Keysight 53220A and 53230A Counters, Option 115 is installed as Channel 3. For this procedure, “Channel 3” is used to refer to the microwave input channel.

72 Keysight 53210A/53220A/53230A Assembly Level Service Guide

Performance Tests 1

NOTE

3 Press the Channel 3 input key.

– Channel 3 is selected for test input.

There are no parameters to set for Channel 3 for this test.

4 Press the Gate key.

–The Gate softkeys are displayed:

5 Press and set:

– Gate Src: Timed

– Gate Out: On

–Gate Time: 10 mSec

6 Press the Trigger key.

–The Trigger softkeys are displayed:

Keysight 53210A/53220A/53230A Assembly Level Service Guide 73

1 Performance Tests

7 Press to set:

–Source: Manual

– Wait For Trig is displayed

–Rdgs/Trigger: 100

–Trig Delay: 0 second s

8 Press the Math key.

–The Math softkeys are displayed:

9 Press to set:

–All Math: On

10 Press the Statistics softkey:

–The Statistics softkey menu is displayed:

11 Press to set:

– Statistics: On

– The display shows:

74 Keysight 53210A/53220A/53230A Assembly Level Service Guide

Performance Tests 1

NOTE

Channel 3 (option 115) frequency accuracy test procedure

1 Press the Trigger key.

– The counter takes 100 readings and fills in the math functions.

2 Verify the ‘Mean’ is:

– 300 MHz ± 3.0 Hz (53210A)

– 300 MHz ± 0.3 Hz (53220A/53230A)

3 Verify the ‘Std Dev’ is less than:

– 4.2 Hz (53210A)

– 2.1 Hz (53220A)

– 0.42 Hz (53230A)

4 Record the Mean and Standard Deviation for 300 MHz, Test 6b, in the

Keysight 53210A/53220A/53230A Performance Test Record.

5 Press the Reset Stats softkey.

6 Set the E8257D-520 to 3.1 GHz at -27 dBm.

The input power MUST be -27 ±0.5 dBm at the channel 3 input connector. If necessary, use a 3.5 mm cable with certified loss at 3.1 GHz or a power meter to verify input power.

7 Press the Trigger key.

– The counter takes 100 readings and fills in the math functions.

Keysight 53210A/53220A/53230A Assembly Level Service Guide 75

1 Performance Tests

NOTE

8 Verify the ‘Mean’ is:

– 3.1 GHz ± 31 Hz (53210A)

– 3.1 GHz ± 3.1 Hz (53220A/53230A)

9 Verify the ‘Std Dev’ is less than:

– 43.4 Hz (53210A)

– 21.7 Hz (53220A)

– 4.34 Hz (53230A)

10 Record the Mean and Standard Deviation for 3.1 GHz, Test 6b,

in the Keysight 53210A/53220A/53230A Performance Test Record.

11 Press the Reset Stats softkey.

12 Set the E8257D-520 to 15.0 GHz at -4 dBm.

The input power MUST be -4 ±0.5 dBm at the channel 3 input connector. If necessary, use a 3.5 mm cable with certified loss at 15 GHz or a power meter to verify input power.

13 Press the Trigger key.

– The counter takes 100 readings and fills in the math functions.

14 Verify the ‘Mean’ is:

– 15.0 GHz ± 150 Hz (53210A)

– 15.0 GHz ± 15 Hz (53220A/53230A)

15 Verify the ‘Std Dev’ is less than:

– 210 Hz (53210A)

– 105 Hz (53220A)

– 21.0 Hz (53230A)

16 Record the Mean and Standard Deviation for 15.0 GHz, Test 6b,

in the Keysight 53210A/53220A/53230A Performance Test Record.

17 Press the Reset Stats softkey.

18 If Opt 150 is installed, proceed to Test 7c. Otherwise, disconnect the test

setup.

76 Keysight 53210A/53220A/53230A Assembly Level Service Guide

Performance Tests 1

NOTE

Test 7a: (Q) Pulse burst frequency - 53230A channel 3 option 150 with option 106

This test uses the 53230A to measure both narrow and wide pulse outputs of a 6 GHz carrier.

This test procedure applies only to the 53230A Counter with Option 106 and Option 150 installed. Option 106 is installed as microwave channel 3.

The Quick Verification (Q) requires only the Narrow Pulse Wid th Burst Frequency Test be performed.

Equipment

– FS725 Rubidium timebase

– Keysight E8257D-520-UNW microwave signal generator

– Keysight 10503A BNC cable (2)

– Keysight 11500E (3.5) mm cable

– Keysight 1250-1250 N(M) to SMA(F)

E8257D-520-UNW setup

– Output Frequency: 6 GHz

– Output Power: 0 dBm

–Auto-Level Control: Off

–Pulse Mode: On

– Pulse Repetition Interval Period: 1 mSec

– Pulse Width (Narrow): 200 nSec

Keysight 53210A/53220A/53230A Assembly Level Service Guide 77

1 Performance Tests

NOTE

Opt 010 UOCXO

Line 100-240V, 50-60 Hz 100-127V, 400 Hz 90VA Max

USB L AN

Int Re f Ou t Trig In

Ext R ef In Gate In/O ut

Ch 1 Op t 201 C h 2 GP -IB

Opt 106/115

IECS / NMB-001

N10149

ISM 1-A

C US

Opt 106 100 MHz -6 G Hz +27 dBm Max

Opt 300 Battery

Opt 115 300 MHz - 15 GHz +27 dBm Max

FS725 Rubidium Timebase

Ext Ref In

E8257D-520-UNW Microwave Signal Generator

Ch 3

The input power MUST be 0 ± 0.5 dBm at the channel 3 input connector. If necessary, use a 3.5 mm cable with certified loss at 6 GHz or a power meter to verify input power.

Counter setup

1 Connect the equipment as shown in Figure 1-10.

78 Keysight 53210A/53220A/53230A Assembly Level Service Guide

Figure 1-10 Option 106/150 microwave channel 3 test setup

2 Press the Preset key to preset the counter.

3 If needed, perform an Auto-Calibration. (Refer to “Internal auto-calibration” on

page 27.)

Performance Tests 1

NOTE

4 Press the Channel 3 input key.

– Channel 3 is selected for test input.

There are no parameters to set for Channel 3 for this test.

5 Press the Freq period key.

–The Freq/Period softkeys are displayed:

6 Press the Pulse/Burst softkey.

–The Pulse/Burst menu softkeys are displayed:

Keysight 53210A/53220A/53230A Assembly Level Service Guide 79

1 Performance Tests

7 Press the Burst Freq softkey.

–The Burst Freq menu softkeys are displayed:

8 Press to select:

–dB Level: -12

–Narrow: On

– Gate Auto: On

9 Press the Trigger key.

–The Trigger softkeys are displayed:

10 Press to set:

–Source: Manual

– Wait For Trig is displayed

–Rdgs/Trigger: 100

–Trig Delay: 0 second s

11 Press the Math key.

–The Math softkeys are displayed:

12 Press to set:

–All Math: On

80 Keysight 53210A/53220A/53230A Assembly Level Service Guide

13 Press the Statistics softkey:

–The Statistics softkeys are displayed:

14 Press to set:

– Statistics: On

– The display shows:

Performance Tests 1

Channel 3 pulse burst frequency test procedure

1 Press the Trigger key.

– The counter takes 100 readings and fills in the math functions.

Keysight 53210A/53220A/53230A Assembly Level Service Guide 81

1 Performance Tests

NOTE

2 Verify the ‘Mean’ is:

– 6 GHz ± 6 MHz

3 Verify the ‘Std Dev’ is less than:

–3 MHz

4 Record the Mean and Standard Deviation for Test 7a, in the “Keysight 53210A/

53220A/53230A Performance Test Record (Tests 1 to 7)” on page 90.

5 Press the Reset Stats softkey.

For Quick Verification (Q), only the narrow pulse wid th burst frequency test needs to be performed.

6 Set the E8257D-520 to a pulse width of 13 uSec (Wide Pulse).

7 Press [Freq/Period] / (Pulse/Burst) / (Burst Freq) keys.

8 Press and set:

–dB Level: -6

–Narrow: Off

– Gate Auto: On

9 Press the Trigger key.

– The counter takes 100 readings and fills in the math functions.

10 Verify the ‘Mean’ is:

– 6 GHz ± 46 kHz

11 Verify the ‘Std Dev’ is less than:

– 18.5 kHz

12 Record the Mean and Standard Deviation for Test 7b, in the “Keysight 53210A/

53220A/53230A Performance Test Record (Tests 1 to 7)” on page 90.

13 Press the Reset Stats softkey.

14 Disconnect the test setup.

82 Keysight 53210A/53220A/53230A Assembly Level Service Guide

Performance Tests 1

NOTE

Test 7c: (Q) Pulse burst frequency - 53230A channel 3 option 150 with option 115

This test uses the 53230A to measure both narrow and wide pulse outputs of a

1.35 GHz carrier using the Opt 115 microwave channel.

This test procedure applies only to the 53230A Counter with Option 115 and Option 150 installed. Option 115 is installed as microwave channel 3.

The Quick Verification (Q) requires only the Narrow Pulse Wid th Burst Frequency Test be performed.

Equipment

– FS725 Rubidium timebase

– Keysight E8257D-520-UNW microwave signal generator

– Keysight 10503A BNC cable (2)

– Keysight 11500E (3.5) mm cable

– Keysight 1250-1250 N(M) to SMA(F)

E8257D-520-UNW setup

– Output Frequency: 1.35 GHz

– Output Power: -6 dBm

–Auto-Level Control: Off

–Pulse Mode: On

– Pulse Repetition Interval Period: 1 mSec

– Pulse Width (Narrow): 400 nSec

Keysight 53210A/53220A/53230A Assembly Level Service Guide 83

1 Performance Tests

Opt 010 UOCXO

Line 100-240V, 50-60 Hz 100-127V, 400 Hz 90VA Max

USB L AN

Int Re f Ou t Trig In

Ext R ef In Gate In/O ut

Ch 1 Op t 201 C h 2 GP -IB

Opt 106/115

IECS / NMB-001

N10149

ISM 1-A

C US

Opt 106 100 MHz -6 G Hz +27 dBm Max

Opt 300 Battery

Opt 115 300 MHz - 15 GHz +27 dBm Max

FS725 Rubidium Timebase

Ext Ref In

E8257D-520-UNW Microwave Signal Generator

Ch 3

Counter setup

1 Connect the equipment as shown in Figure 1-11.

84 Keysight 53210A/53220A/53230A Assembly Level Service Guide

Figure 1-11 Option 115/150 microwave channel 3 test setup

2 Press the Preset key to preset the counter.

3 If needed, perform an auto-calibration. (Refer to “Internal auto-calibration” on

page 27.)

4 Press the Channel 3 input key.

– Channel 3 is selected for test input.

Performance Tests 1

NOTE

There are no parameters to set for Channel 3 for this test.

5 Press the Freq period key.

–The Freq/Period softkeys are displayed:

6 Press the Pulse/Burst softkey.

–The Pulse/Burst menu softkeys are displayed:

7 Press the Burst Freq softkey.

–The Burst Freq menu softkeys are displayed:

8 Press to select:

–dB Level: -6

–Narrow: On

– Gate Auto: On

Keysight 53210A/53220A/53230A Assembly Level Service Guide 85

1 Performance Tests

9 Press the Trigger key.

–The Trigger softkeys are displayed:

10 Press to set:

–Source: Manual

– Wait For Trig is displayed

–Rdgs/Trigger: 100

–Trig Delay: 0 second s

11 Press the Math key.

–The Math softkeys are displayed:

12 Press to set:

–All Math: On

13 Press the Statistics softkey:

–The Statistics softkeys are displayed:

86 Keysight 53210A/53220A/53230A Assembly Level Service Guide

14 Press to set:

– Statistics: On

– The display shows:

Performance Tests 1

Channel 3 pulse burst frequency test procedure

1 Press the Trigger key.

– The counter takes 100 readings and fills in the math functions.

2 Verify the ‘Mean’ is:

– 1.35 GHz ± 1.35 MHz

3 Verify the ‘Std Dev’ is less than:

– 338 kHz

4 Record the Mean and Standard Deviation for Test 7c, in the “Keysight 53210A/

53220A/53230A Performance Test Record (Tests 1 to 7)” on page 90?.

5 Press the Reset Stats softkey.

Keysight 53210A/53220A/53230A Assembly Level Service Guide 87

1 Performance Tests

NOTE

For Quick Verification (Q), only the narrow pulse wid th burst frequency test needs to be performed.

6 Set the E8257D-520 to a pulse width of 13 uSec (Wide Pulse).

7 Press [Freq/Period] / (Pulse/Burst) / (Burst Freq) keys.

8 Press and set:

–dB Level: -6

–Narrow: Off

– Gate Auto: On

9 Press the Trigger key.

– The counter takes 100 readings and fills in the math functions.

10 Verify the ‘Mean’ is:

– 1.35 GHz ± 20.8 kHz

11 Verify the ‘Std Dev’ is less than:

– 7.79 kHz

12 Record the Mean and Standard Deviation for Test 7d, in the “Keysight 53210A/

53220A/53230A Performance Test Record (Tests 1 to 7)” on page 90.

13 Press the Reset Stats softkey.

14 Disconnect the test setup.

88 Keysight 53210A/53220A/53230A Assembly Level Service Guide

Performance Tests 1

Keysight 53210A/53220A/53230A Operational Verification and Performance Test Record

Keysight Technologies Model 53210A/53220A/53230A Universal Counter

Model Number: ______________________________

Serial Number: _________________________ Repair/Work Order No: ______________________

Test Performed By: _____________________________ Temperature: _______________________

Date: ______________________Relative Humidity: ______________________________________

Notes: ______________________________________________________________________________

Test number Operational verification

1 Power on Test  

2 Self-Test  

3 Frequency Check, Channel 1, 10 MHz  

4 Frequency Check, Channel 2, 10 MHz  

5a Termination Check Channel 1, 50W  

5b Termination Check Channel 1, 1MW  

6a Termination Check Channel 2, 50W  

6b Termination Check Channel 2, 1MW  

Test Results

Pass Fail

Keysight 53210A/53220A/53230A Assembly Level Service Guide 89

1 Performance Tests

NOTE

Keysight 53210A/53220A/53230A Performance Test Record (Tests 1 to 7)

(Q) under a test number indicates this is one of the ‘quick’ performance tests.

Complete performance tests

Test

number

(Q)

Test description Minimum Actual reading Maximum

Absolute Timebase Test

(Standard. Timebase)

Absolute Timebase Test

(Option 010, High Stability Timebase)

Channel 1 Frequency Accuracy Test

9.999 990 000 MHz

9.999 999 500 MHz

Record: Mean

_______________________ 10.000 010 000 MHz

Record: Mean

_______________________ 10.000 000 500 MHz

Record: Mean

Keysight

53210A

(only)

10 MHz Test 115 MHz Test 350 MHz Test

9.999 999 900 MHz

114.999 998 850 MHz

349.999 996 500 MHz

____________________ ____________________ ____________________

Record: Std Dev

____________________ ____________________ ____________________

10.000 000 100 MHz

115.000 001 150 MHz

350.000 003 500 MHz

140.000 mHz 1 610.000 mHz 4 900.000 mHz

90 Keysight 53210A/53220A/53230A Assembly Level Service Guide

Test

number

(Q)

Keysight

53220A

(only)

(Q)

Keysight

53230A

(only)

Performance Tests 1

Complete performance tests

Test description Minimum Actual reading Maximum

Channel 1 Frequency Accuracy Test

10 MHz Test 115 MHz Test 350 MHz Test

Channel 1 Frequency Accuracy Test

10 MHz Test 115 MHz Test 350 MHz Test

9.999 999 990 MHz

114.999 999 885 MHz

349.999 999 650 MHz

9.999 999 990 MHz

114.999 999 885 MHz

349.999 999 650 MHz

Record: Mean

____________________ ____________________ ____________________

Record: Std Dev

____________________ ____________________ ____________________

Record: Mean

____________________ ____________________ ____________________

10.000 000 010 MHz

115.000 000 115 MHz

350.000 000 350 MHz

70.000 000 mHz

805.000 000 mHz

2 450.000 000 mHz

10.000 000 010 MHz

115.000 000 115 MHz

350.000 000 350 MHz

Record: Std Dev

10 MHz Test 115 MHz Test 350 MHz Test

____________________ ____________________ ____________________

14.000 000 mHz

161.000 000 mHz

490.000 000 mHz

Keysight 53210A/53220A/53230A Assembly Level Service Guide 91

1 Performance Tests

Test

number

2b (Q)

Keysight

53220A

(only)

Test description Minimum Actual reading Maximum

Channel 2 Frequency Accuracy Test

10 MHz Test 115 MHz Test 350 MHz Test

Complete performance tests

9.999 999 990 MHz

114.999 999 885 MHz

349.999 999 650 MHz

Record: Mean

____________________ ____________________ ____________________

Record: Std Dev

____________________ ____________________ ____________________

10.000 000 010 MHz

115.000 000 115 MHz

350.000 000 350 MHz

70.000 000 mHz

805.000 000 mHz

2 450.000 000 mHz

2b (Q)

Keysight

53230A

(only)

Channel 2 Frequency Accuracy Test

10 MHz Test 115 MHz Test 350 MHz Test

9.999 999 990 MHz

114.999 999 885 MHz

349.999 999 650 MHz

Record: Mean

____________________ ____________________ ____________________

Record: Std Dev

____________________ ____________________ ____________________

10.000 000 010 MHz

115.000 000 115 MHz

350.000 000 350 MHz

14.000 000 mHz

161.000 000 mHz

490.000 000 mHz

92 Keysight 53210A/53220A/53230A Assembly Level Service Guide

Test

number

Mean

(53220A)

a b c d

Std Dev

(53220A)

a b c d

Performance Tests 1

Complete performance tests

Test description Minimum Actual reading Maximum

Single Period Test

Ch 1 - 1 MHz Ch 1 - 250 MHz Ch 2 - 1 MHz Ch 2 - 250 MHz

Single Period Test

Ch 1 - 1 MHz Ch 1 - 250 MHz Ch 2 - 1 MHz Ch 2 - 250 MHz

0.999 800 000 uSec

0.003 800 000 uSec

0.999 800 000 uSec

0.003 800 000 uSec

Record: Mean (53220A)

a. __________________ b. __________________ c. __________________ d. __________________

Record: Std Dev (53220A)

a. __________________ b. __________________ c. __________________ d. __________________

1.000 200 000 uSec

0.004 200 000 uSec

1.000 200 000 uSec

0.004 200 000 uSec

.140 000 000 nSec .140 000 000 nSec .140 000 000 nSec .140 000 000 nSec

Mean

(53230A)

a b c d

Std Dev

(53230A)

a b c d

Single Period Test

Ch 1 - 1 MHz Ch 1 - 250 MHz Ch 2 - 1 MHz Ch 2 - 250 MHz

Single Period Test

Ch 1 - 1 MHz Ch 1 - 250 MHz Ch 2 - 1 MHz Ch 2 - 250 MHz

0.999 900 000 uSec

0.003 900 000 uSec

0.999 900 000 uSec

0.003 900 000 uSec

Record: Mean (53230A)

a. __________________ b. __________________ c. __________________ d. __________________

Record: Std Dev (53230A)

a. __________________ b. __________________ c. __________________ d. __________________

1.000 100 000 uSec

0.004 100 000 uSec

1.000 100 000 uSec

0.004 100 000 uSec

.028 000 000 nSec .028 000 000 nSec .028 000 000 nSec .028 000 000 nSec

Keysight 53210A/53220A/53230A Assembly Level Service Guide 93

1 Performance Tests

Test

number

(Q)

Test description Minimum Actual reading Maximum

Pulse Width Test Ch 1 (53220A)

Ch 1 (53230A)

Complete performance tests

4.600 000 000 nSec

4.800 000 000 nSec

Record: Mean __________________ Record: Std Dev __________________

5.400 000 000 nSec

0.140 000 000 nSec

5.200 000 000 nSec

0.028 000 000 nSec

(Q)

Pulse Width Test Ch 2 (53220A)

Ch 2 (53230A)

4.600 000 000 nSec

4.800 000 000 nSec

Record: Mean __________________ Record: Std Dev __________________

5.400 000 000 nSec

0.140 000 000 nSec

5.200 000 000 nSec

0.028 000 000 nSec

94 Keysight 53210A/53220A/53230A Assembly Level Service Guide

Test

number

(Q)

(Option 106)

(Q)

Performance Tests 1

Complete performance tests

Test description Minimum Actual reading Maximum

Time Interval Test

53220A 53230A

Frequency Accuracy Channel 3

100 MHz 53210A 53220A 53230A

49.400 000 000 nSecs

49.650 000 000 nSecs

99.999 999 000 MHz

99.999 999 900 MHz

Record: Mean

__________________ __________________

Record: Std Dev

__________________ __________________

Record: Mean __________________ __________________ __________________

50.400 000 000 nSec

50.150 000 000 nSec

0.140 000 000 nSec

0.028 000 000 nSec

100.000 001 000 MHz

100.000 000 100 MHz

53210A 53220A 53230A

Record: Std Dev __________________ __________________ __________________

1 400.000 000 mHz

700.000 000 mHz

140.000 000 mHz

Keysight 53210A/53220A/53230A Assembly Level Service Guide 95

1 Performance Tests

Test

number

(Option 106)

(Q)

Test description Minimum Actual reading Maximum

Frequency Accuracy Channel 3

5.88 GHz 53210A 53220A 53230A

Complete performance tests

5.879 999 941 200 GHz

5.879 999 994 120 GHz

Record: Mean __________________ __________________ __________________

5.880 000 058 800 GHz

5.880 000 005 880 GHz

(Option 115)

(Q)

53210A 53220A 53230A

Frequency Accuracy Channel 3

300 MHz 53210A 53220A 53230A

53210A 53220A 53230A

299.999 997 MHz

299.999 999 7 MHz

Record: Std Dev __________________ __________________ __________________

Record: Mean __________________ __________________ __________________

Record: Std Dev __________________ __________________ __________________

82.300 000 000 Hz

41.100 000 000 Hz

8.230 000 000 Hz

300.000 003 MHz

300.000 000 3 MHz

4.2 Hz

2.1 Hz

0.42 Hz

96 Keysight 53210A/53220A/53230A Assembly Level Service Guide

Test

number

(Option 115)

(Q)

Performance Tests 1

Complete performance tests

Test description Minimum Actual reading Maximum

Frequency Accuracy Channel 3

3.1 GHz 53210A 53220A 53230A

3.099 999 969 GHz

3.099 999 996 9 GHz

Record: Mean __________________ __________________ __________________

3.100 000 031 GHz

3.100 000 003 1 GHz

(Option 115)

(Q)

Option 106 Option 150

53230A

53210A 53220A 53230A

Frequency Accuracy Channel 3

15.0 GHz 53210A 53220A 53230A

53210A 53220A 53230A

Pulse Burst Frequency

(6 GHz) Narrow Pulse Wid th

(200 nSec)

14.999 999 850 GHz

14.999 999 985 GHz

5.994 000 000 GHz

Record: Std Dev __________________ __________________ __________________

Record: Mean __________________ __________________ __________________

Record: Std Dev __________________ __________________ __________________

Record: Mean __________________

Record: Std Dev _____________________

43.4 Hz

21.7 Hz

4.34 Hz

15.000 000 150 GHz

15.000 000 015 GHz

210 Hz 105 Hz

21 Hz

6.006 000 000 GHz

3.000 MHz

Keysight 53210A/53220A/53230A Assembly Level Service Guide 97

1 Performance Tests

Test

number

Option 106 Option 150

53230A

(Q)

Option 115 Option 150

53230A

Test description Minimum Actual reading Maximum

Pulse Burst Frequency

(6 GHz) Wide Pulse Wid th

(13 uSec)

Pulse Burst Frequency

(1.35 GHz) Narrow Pulse Wid th

(400 nSec)

Complete performance tests

5.999 954 000 GHz

1.348 865 000 GHz

Record: Mean __________________

Record: Std Dev _____________________

Record: Mean __________________

Record: Std Dev _____________________

6.000 046 000 GHz

18.500 kHz

1.351 350 000 GHz

338 kHz

Option 115 Option 150

53230A

Pulse Burst Frequency

(1.35 GHz) Wide Pulse Wid th

(13 uSec)

1.349 979 200 GHz

Record: Mean __________________

Record: Std Dev _____________________

1.350 020 800 GHz

7.79 kHz

98 Keysight 53210A/53220A/53230A Assembly Level Service Guide

Keysight 53210A/53220A/53230A 350 MHz Universal Frequency Counter/Timer

Assembly Level Service Guide

2 Service

Introduction 100 Returning the Instrument to Keysight Technologies for Service 104 About the Keysight 53210A/53220A/53230A Calibration Menu 109 The Keysight 53210A/53220A/53230A Calibration Procedures 118 Pre-Troubleshooting Information 152 Troubleshooting the Counter 160 Error Messages 174

2Service

NOTE

Introduction

Returning the counter to Keysight Technologies for service

About the Keysight 53210A/53220A/53230A calibration menu

Unless otherwise indicated, this manual applies to all serial numbers for the Keysight 53210A/53220A/53230A Counters.

This chapter provides service information for your Keysight 53210A, 53220A, and 53230A Counters. It is divided into five major sections:

This section provides you with instructions on how to return the counter to Keysight for service.

This section contains reference information that gives an overview of the calibration menu for the Keysight 53210A, 53220A, and 53230A Counters.

The Keysight 53210A/53220A/53230A calibration procedures

This section provides step-by-step procedures for calibrating the Keysight 53210A, 53220A, and 53230A Counters.

Pre-troubleshooting information

This section provides you with pertinent information such as safety considerations, recommended test equipment, repair and after-service calibration considerations, and assembly identification and location.

Troubleshooting information

This section provides you with troubleshooting procedures that can assist you to isolate an instrument failure to the faulty assembly or module. A final section on “Error Messages” can be used to help isolate a failed assembly for replacement.

100 Keysight 53210A/53220A/53230A Assembly Level Service Guide

Used Agilent Agilent Used 53220A Manual

Specifications and Main Features

Frequently Asked Questions

User Manual

Software Updates/Licenses

Assistance

Certification

Exclusive Remedies

Lithium Battery Recycling

Safety Symbols

Safety Information

General

Before applying power

Ground the instrument

Fuses

Do not operate in an explosive atmosphere

Do not operate near flammable liquids

Do not remove the instrument cover

Do not modify the instrument

In case of damage

Cleaning the instrument

Protection limits

Installing the instrument

Battery operation

Waste Electrical and Electronic Equipment (WEEE) Directive

Product category:

Table of Contents

List of Figures

List of Tables

1 Performance Tests

Introduction

Chapter overview

Recommended calibration cycle

Internal auto-calibration

Equipment required

Power-On Test

Self-Test (Q)

Run internal self-test

Keysight 53210A/53220A/53230A Operational Verification

Frequency checks

Termination checks (optional)

Keysight 53210A/53220A/53230A Complete Performance Tests

Test 1: (Q) Absolute time base

Test 2: (Q) Frequency accuracy - channels 1 and 2

Test 3: Single period

Test 4: (Q) Pulse width

Test 5: (Q) Time interval

Test 6a: (Q) Frequency accuracy - channel 2/3, option 106 (6 GHz microwave channel)

Test 6b: (Q) Frequency accuracy - channel 2/3, option 115 (15 GHz microwave channel)

Test 7a: (Q) Pulse burst frequency - 53230A channel 3 option 150 with option 106

Test 7c: (Q) Pulse burst frequency - 53230A channel 3 option 150 with option 115

Keysight 53210A/53220A/53230A Operational Verification and Performance Test Record

Keysight 53210A/53220A/53230A Performance Test Record (Tests 1 to 7)

2 Service

Introduction

Returning the counter to Keysight Technologies for service

About the Keysight 53210A/53220A/53230A calibration menu

The Keysight 53210A/53220A/53230A calibration procedures

Pre-troubleshooting information

Troubleshooting information