Agilent Technologies 16962A User manual

The test & measurement
equipment you need at
the price you want.
Alltest carries the world’s largest selection of
used/refurbished benchtop test & measurement
equipment at 50% the price of new.
O
Our equipment is guaranteed working, warrantied, and
available with certified calibration from our in-house staff
of technicians and engineers.
• 10+ full time technicians with over 150 years of
specialization
• 90 day warranty & 5 day right of return on all
equipment
•
• 1-3 year warranties for new and
premium-refurbished equipment
• Every unit tested to OEM specifications
• Satisfaction guaranteed
You have plans, we will help you achieve them.
Any project. Any budget.
Get a quote today!
CCall [phone] or email [e-mail].
t
Alltest Instruments, Inc.
500 Central Ave.
Farmingdale, NJ 07727
P: [phone]
F: [phone]
alltest.net
s
[e-mail]

Agilent Technologies
Agilent 16962A Logic
Analyzer
Service Guide

Notices
© Agilent Technologies, Inc. 2001-2009
No part of this manual may be reproduced
in any form or by any means (including
electronic storage and retrieval or transla-
tion into a foreign language) without prior
agreement and written consent from Agi-
lent Technologies, Inc. as governed by
United States and international copyright
laws.
Manual Part Number
16962-97001
Edition
Second edition, September 2009
Available in electronic format only
Agilent Technologies, Inc.
1900 Garden of the Gods Road
Colorado Springs, CO 80907 USA
Warranty
The material contained in this docu-
ment is provided “as is,” and is sub-
ject to being changed, without notice,
in future editions. Further, to the max-
imum extent permitted by applicable
law, Agilent 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 par-
ticular purpose. Agilent shall not be
liable for errors or for incidental or
consequential damages in connection
with the furnishing, use, or perfor-
mance of this document or of any
information contained herein. Should
Agilent 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 sep-
arate agreement shall control.
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.
Restricted Rights Legend
If software is for use in the performance of
a U.S. Government prime contract or sub-
contract, Software is delivered and
licensed as “Commercial computer soft-
ware” as defined in DFAR 252.227-7014
(June 1995), or as a “commercial item” as
defined in FAR 2.101(a) or as “Restricted
computer software” as defined in FAR
52.227-19 (June 1987) or any equivalent
agency regulation or contract clause. Use,
duplication or disclosure of Software is
subject to Agilent Technologies’ standard
commercial license terms, and non-DOD
Departments and Agencies of the U.S. Gov-
ernment will receive no greater than
Restricted Rights as defined in FAR
52.227-19(c)(1-2) (June 1987). U.S. Govern-
ment users will receive no greater than
Limited Rights as defined in FAR 52.227-14
(June 1987) or DFAR 252.227-7015 (b)(2)
(November 1995), as applicable in any
technical data.
Safety Notices
CAUTION
A CAUTION notice denotes a haz-
ard. It calls attention to an operat-
ing 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.
WARNING
A WARNING notice denotes a
hazard. It calls attention to an
operating procedure, practice, or
the like that, if not correctly per-
formed or adhered to, could result
in personal injury or death. Do not
proceed beyond a WARNING
notice until the indicated condi-
tions are fully understood and met.
216962A Logic Analyzer Service Guide
Trademark Acknowledgements
Windows and MS Windows are U.S. regis-
tered trademarks of Microsoft Corporation.
Windows XP is a U.S. registered trademark
of Microsoft Corporation.

16962A Logic Analyzer Service Guide 3
Additional Safety Notices
This apparatus has been designed and tested in accordance with IEC Publication 1010,
Safety Requirements for Measuring Apparatus, and has been supplied in a safe condition.
This is a Safety Class I instrument (provided with terminal for protective earthing). Before
applying power, verify that the correct safety precautions are taken (see the following
warnings). In addition, note the external markings on the instrument that are described
under "Safety Symbols."
Warnings
•Before turning on the instrument, you must connect the protective earth terminal of the
instrument to the protective conductor of the (mains) power cord. The mains plug shall
only be inserted in a socket outlet provided with a protective earth contact. You must
not negate the protective action by using an extension cord (power cable) without a
protective conductor (grounding). Grounding one conductor of a two-conductor outlet
is not sufficient protection.
•Only fuses with the required rated current, voltage, and specified type (normal blow,
time delay, etc.) should be used. Do not use repaired fuses or short-circuited
fuseholders. To do so could cause a shock or fire hazard.
•If you energize this instrument by an auto transformer (for voltage reduction or mains
isolation), the common terminal must be connected to the earth terminal of the power
source.
•Whenever it is likely that the ground protection is impaired, you must make the
instrument inoperative and secure it against any unintended operation.
•Service instructions are for trained service personnel. To avoid dangerous electric
shock, do not perform any service unless qualified to do so. Do not attempt internal
service or adjustment unless another person, capable of rendering first aid and
resuscitation, is present.
•Do not install substitute parts or perform any unauthorized modification to the
instrument.
•Capacitors inside the instrument may retain a charge even if the instrument is
disconnected from its source of supply.
•Do not operate the instrument in the presence of flammable gasses or fumes.
Operation of any electrical instrument in such an environment constitutes a definite
safety hazard.
•Do not use the instrument in a manner not specified by the manufacturer.
To clean the instrument
If the instrument requires cleaning: (1) Remove power from the instrument. (2) Clean the
external surfaces of the instrument with a soft cloth dampened with a mixture of mild
detergent and water. (3) Make sure that the instrument is completely dry before reconnect-
ing it to a power source.
Safety Symbols
Instruction manual symbol: the product is marked with this symbol when it is
necessary for you to refer to the instruction manual in order to protect against
damage to the product.
Hazardous voltage symbol.
Earth terminal symbol: Used to indicate a circuit common connected to grounded
chassis.
!

416962A Logic Analyzer Service Guide
Agilent 16962A Logic Analyzer—At a Glance
The 16962A logic analyzer module is for the 16901A or
16902B logic analysis system frames. It provides 2 GT/s state
logic analysis and up to 8 GHz timing analysis. The 16962A
has 4 M to 100 M sample memory depth (depending on the
option chosen).
The 16962A logic analyzer module offers high performance
measurement capability.
Features
Some of the main features of the 16962A are as follows:
•68 data channels, including:
•2 clock/data channels.
•2 clock ready/data channels.
•2 GT/s maximum state acquisition speed.
•“Eye scan” feature.
•2 GHz timing analysis on all channels at full memory
depth, 4 GHz timing analysis with 1/2 channels, and
8 GHz timing analysis with 1/4 channels.
•Expandable to 340 channels (5- card set).
Service Strategy
The service strategy for this instrument is the replacement
of defective assemblies. This service guide contains
information for finding a defective assembly by testing and
servicing the 16962A logic analyzer module.
The modules can be returned to Agilent Technologies for all
service work, including troubleshooting. Contact your nearest
Agilent Technologies Sales Office for more details.
Contacting Agilent Technologies
To locate a sales or service office near you, go to
www.agilent.com/find/contactus.

16962A Logic Analyzer Service Guide 5
Application
This service guide applies to 16962A logic analyzer modules
installed in 16901A or 16902B logic analysis system frames.
The 16962A Logic Analyzer

616962A Logic Analyzer Service Guide
In This Service Guide
This book is the service guide for the 16962A logic analyzer
module.
This service guide has eight chapters.
Chapter 1, “General Information” contains information about
the module, lists accessories for the module, gives
specifications and characteristics of the module, and
provides a list of the equipment required for servicing the
module.
Chapter 2, “Preparing for Use” tells how to prepare the
module for use.
Chapter 3, “Testing Logic Analyzer Performance” gives
instructions on how to verify that the module meets its
specifications.
Chapter 4, “Calibrating” contains calibration instructions for
the module (if required).
Chapter 5, “Troubleshooting” contains explanations of
self- tests and flowcharts for troubleshooting the module.
Chapter 6, “Replacing Assemblies” explains how to replace
the module and assemblies of the module and how to return
them to Agilent Technologies.
Chapter 7, “Replaceable Parts” lists replaceable parts, shows
an exploded view, and gives ordering information.
Chapter 8, “Theory of Operation” explains how the logic
analyzer module works.

16962A Logic Analyzer Service Guide 7
Contents
Agilent 16962A Logic Analyzer—At a Glance 4
In This Service Guide 6
1 General Information
Accessories 12
Probing Accessories 12
Mainframe and Operating System 12
Specifications 13
Characteristics 14
Environmental Characteristics 15
Recommended Test Equipment 16
2 Preparing for Use
To inspect the module 18
To configure and install the module 18
To test the module 19
To clean t he module 19
3 Testing Logic Analyzer Performance
Perform the Self-Tests 24
Equipment Required for the Performance Test 25
Assemble the SMA/Flying Lead Test Connectors 26
Set Up the Test Equipment 31
Connect the Test Equipment 35
Connect the 16962A Logic Analyzer Pod to the Pulse Generator 35
Connect the Pulse Generator Output to the Oscilloscope 37
Verify and adjust the pulse generator DC offset 37
Deskew the oscilloscope 38

816962A Logic Analyzer Service Guide
Contents
Testing the Module 40
Configure the Logic Analysis System 41
Adjust sampling positions using Eye Finder 46
To re-align a stray channel 48
Test Pod 1 50
Test Pod 2 54
Test Pods 3 and 4 56
Performance Test Record 59
4 Calibrating
Calibration Strategy 62
5 Troubleshooting
To use the flowcharts 64
Mainframe Operating System 64
To run the self tests 67
Self-Test Descriptions 67
PC Board Revision Test 67
Interface FPGA Version Test 67
Interface FPGA Register Test 67
FPGA to FPGA Communication Test 67
Resource Bus Connection Test 67
EEPROM Test 68
ADC Test 68
Probe ID Read Test 68
DMA Test 68
Chip Registers Read/Write Test 68
Comparator Programming Test 68
Comparator/DAC Test 68
Comparator Delay Test 69
Comparators V Offset Test 69
Comparator Run Test 69
Comparator Calibrations Test 69
DDR2 Memory Calibrations Test 70
Freq Synth Lock Detect Test 70
Thermal Monitoring Test 70
To exit the test system 70
To test the cables 71
6 Replacing Assemblies
To remove the module 82

16962A Logic Analyzer Service Guide 9
Contents
To remove the logic analyzer cable 82
To install the logic analyzer cable 84
To replace the circuit board 86
To return assemblies 87
7 Replaceable Parts
Replaceable Parts Ordering 90
Parts listed 90
Parts not listed 90
Direct mail order system 90
Exchange assemblies 90
Replaceable Parts List 91
8 Theory of Operation
Block-Level Theory 96
Probes 97
Comparators 97
Acquisition and Memory Controller IC 97
Acquisition Memory 98
Resource Bus Connectors 98
Mainframe Interface and Control FPGA 98
Index