Agilent Technologies U2000H Service manual

Agilent Technologies
Agilent U2000 Series
USB Power Sensors
Operating and Service
Guide

ii U2000 Series Operating and Service Guide
Notices
© Agilent Technologies, Inc. 2007, 2008
No part of this manual may be reproduced in
any form or by any means (including elec-
tronic storage and retrieval or translation
into a foreign language) without prior agree-
ment and written consent from Agilent
Technologies, Inc. as governed by United
States and international copyright laws.
Manual Part Number
U2000-90405
Edition
Third Edition, November 14, 2008
Printed in Malaysia
Agilent Technologies, Inc.
5301 Stevens Creek Blvd.
Santa Clara, CA 95052 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 connec-
tion with the furnishing, use, or per-
formance 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 accor-
dance with the terms of such license.
Restricted Rights Legend
U.S. Government Restricted Rights. Soft-
ware and technical data rights granted to
the federal government include only those
rights customarily provided to end user cus-
tomers. Agilent provides this customary
commercial license in Software and techni-
cal data pursuant to FAR 12.211 (Technical
Data) and 12.212 (Computer Software) and,
for the Department of Defense, DFARS
252.227-7015 (Technical Data - Commercial
Items) and DFARS 227.7202-3 (Rights in
Commercial Computer Software or Com-
puter Software Documentation).
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.

U2000 Series Operating and Service Guide iii
Certification
Agilent Technologies certifies that this product met its published
specifications at the time of shipment from the factory. Agilent
Technologies further certifies that its calibration measurements are
traceable to the United States National Institute of Standard and
Technology, to the extent allowed by the Institute’s calibration facility, and
to the calibration facilities of other International Standard Organization
members.
Limitation of Warranty
The foregoing warranty shall not apply to defects resulting from improper
or inadequate maintenance by Buyer, Buyer-supplied software or
interfacing, unauthorized modification or misuse, operation outside of the
environmental specifications for the product, or improper site preparation
or maintenance. NO OTHER WARRANTY IS EXPRESSED OR IMPLIED.
AGILENT TECHNOLOGIES SPECIFICALLY DISCLAIMS THE IMPLIED
WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
PURPOSE.
Exclusive Remedies
THE REMEDIES PROVIDED HEREIN ARE BUYER’S SOLE AND EXCLUSIVE
REMEDIES. AGILENT TECHNOLOGIES SHALL NOT BE LIABLE FOR ANY
DIRECT, INDIRECT, SPECIAL, INCIDENTAL, OR CONSEQUENTIAL
DAMAGES, WHETHER BASED ON CONTRACT, TORT, OR ANY OTHER
LEGAL THEORY.

iv U2000 Series Operating and Service Guide
Safety Summary
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 elsewhere in this manual violates safety
standards of design, manufacture, and intended use of the instrument. Agilent Technologies, Inc. assumes no
liability for the customer’s failure to comply with these requirements.
Safety Notices
WARNING
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 loss of life. Do not proceed
beyond a WARNING notice until the indicated conditions are fully
understood and met.
CAUTION
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.

U2000 Series Operating and Service Guide v
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.
Direct current On (supply)
Alternating current Off (supply)
Both direct and alternating current
Equipotential protected throughout by
DOUBLE INSULATION or REINFORCED
INSULATION
Three-phase alternating current Caution, risk of electric shock.
Earth (ground) terminal
Caution, risk of danger (refer to this
manual for specific Warning or Caution
information).
Protective conductor terminal Caution, hot surface.
Frame or chassis terminal Out position of a bi-stable push control.
Equipotentiality In position of a bi-stable push control.

vi U2000 Series Operating and Service Guide
Regulatory Markings
This symbol indicates that a device, or part of a device, may be susceptible to
electrostatic discharges (ESD) which can result in damage to the product.
Observe ESD precautions given on the product, or its user documentation, when
handling equipment bearing this mark.
The CE mark shows that the product complies with all the relevant European
Legal Directives.
The C-tick mark is a registered trademark of the Spectrum management Agency
of Australia. This signifies compliance with the Australian EMC Framework regu-
lations under the terms of the Radio Communications Act of 1992.
This product complies with the WEEE Directive (2002/96/EC) marking equip-
ment. The affixed product label indicates that you must not discard this electri-
cal/electronic product in domestic household waste.
ICES/NMB-001 indicates that this ISM device complies with Canadian ICES-001.
Cet appareil ISM est confomre à la norme NMB-001 du Canada
ESD Sensitive
ISM 1- A
N10149
ICES/NMB - 001

U2000 Series Operating and Service Guide vii
Waste Electrical and Electronic Equipment (WEEE) Directive
20002/96/EC
This instruction complies with the WEEE Directive (2002/96/EC) marking
requirement. This affixed product label indicates that you must not discard
this electrical/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 shown as below:
Do not dispose in domestic household waste
To return this unwanted instrument, contact your nearest Agilent office, or
visit
www.agilent.com/environment/product
for more information.

viii U2000 Series Operating and Service Guide
General 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 elsewhere in this manual violates
safety standards of design, manufacture, and intended use of the
instrument. Agilent Technologies, Inc. assumes no liability for the
customer’s failure to comply with these requirements.
WARNING
BEFORE CONNECTING THE POWER SENSOR TO OTHER INSTRUMENTS
ensure that all instruments are connected to the protective (earth)
ground. Any interruption of the protective earth grounding will cause a
potential shock hazard that could result in personal injury.
CAUTION
• Use the device with the cables provided.
• Repair or service that is not covered in this manual should only be
performed by qualified personnel.

U2000 Series Operating and Service Guide ix
Environment Conditions
This instrument is designed for indoor use only. The table shows the
general requirements for the product.
Environment
Conditions
Requirements
Te m p e ra t u r e 0 °C to +55 °C (operating)
–30 °C to +70 °C (non-operating)
Humidity Operating up to 95% at 40 °C (non-condensing)
Non-operating up to 90% at 65 °C (non-condensing)
Altitude Operating up to 4,600 metres (15,000 feet)
Non-operating up to 4,600 metres (15, 000 feet)
Pollution Degree 2
CAUTION
The Agilent U2000 Series USB power sensors comply with the following safety and
EMC requirements:
•IEC 61010-1:2001 / EN 61010-1:2001 (2nd edition)
•IEC 61326:2002 / EN61326:1997+A1:1998+A2:2001+A3:2003
•Canada: ICES-001:2004
•Australia/New Zealand: AS/NZS CISPR11:2004

x U2000 Series Operating and Service Guide
DECLARATION OF CONFORMITY
According to EN ISO/IEC 17050-1:2004
Generic example
Manufacturer’s Name: Agilent Technologies Microwave Products (M) Sdn. Bhd
Manufacturer’s Address: Bayan Lepas Free Industrial Zone,
11900, Bayan Lepas, Penang, Malaysia
Declares under sole responsibility that the product as originally delivered
Product Name: Agilent U2000 Series USB Power Sensor
Models Number: U2000A, U2000B, U2000H, U2001A, U2001B, U2001H,
U2002A, U2002H, U2004A
Product Options: This declaration covers all options of the above product(s)
complies with the essential requirements of the following applicable European Directives, and
carries the CE marking accordingly:
Low Voltage Directive (2006/95/EC)
EMC Directive (2004/108/EC)
and conforms with the following product standards:
EMC Standard
StandardStandard
Standard
Limit LimitLimit
Limit
IEC 61326:2002 / EN 61326:1997+A1:1998+A2:2001+A3:2003
CISPR 11:1990 / EN55011:1990 Class A Group 1
IEC 61000-4-2:1995 / EN 61000-4-2:1995 4 kV CD, 8 kV AD
IEC 61000-4-3:1995 / EN 61000-4-3:1996 3 V/m, 80-1000 MHz
IEC 61000-4-4:1995 / EN 61000-4-4:1995 0.5 kV signal lines, 1 kV power lines
IEC 61000-4-5:1995 / EN 61000-4-5:1995 0.5 kV line-line, 1 kV line-ground
IEC 61000-4-6:1996 / EN 61000-4-6:1996 3 V, 0.15-80 MHz
IEC 61000-4-11:1994 / EN 61000-4-11:1994 1 cycle / 100%
Canada: ICES-001:2004
Australia/New Zealand: AS/NZS CISPR11:2004
The product was tested in a typical configuration with Agilent Technologies test systems.
Safety
IEC 61010-1:2001 / EN 61010-1:2001
This DoC applies to above-listed products placed on the EU market after:
03-July-2008
Date
Tay Eng Su
Quality Manager
For further information, please contact your local Agilent Technologies sales office, agent or distributor,
or Agilent Technologies Deutschland GmbH, Herrenberger Straße 130, 71034 Böblingen, Germany.
Template: A5971-5302-2, Rev. E U2000 Series DoC Revision 2.0

U2000 Series Operating and Service Guide xi
Product Regulations
Performance Criteria
IEC 61326-1:2002 / EN 61326-1:1997+A1:1998+A2:2001+A3:2003
CISPR 11:1990 / EN 55011:1990
– Group 1 Class A
IEC 61000-4-2:1995 / EN 61000-4-2:1995 (ESD 4kV CD, 8kV AD) A
IEC 61000-4-3:1995 / EN 61000-4-3:1996 (3V/m, 80% AM) A
IEC 61000-4-4:1995 / EN 61000-4-4:1995 (EFT 0.5kV line-line, 1kV line-earth) B
IEC 61000-4-5:1995 / EN 61000-4-5:1995 (Surge 0.5kV line-line, 1kV line-earth) B
IEC 61000-4-6:1996 / EN 61000-4-6:1996 (3V, 0.15~80 MHz, 80% AM, power line) A
IEC 61000-4-11:1994 / EN 61000-4-11:1994 (Dips 1 cycle, 100%) B
Canada: ICES-001:2004
Australia/New Zealand: AS/NZS CISPR11:2004
EMC
IEC 61010-1:2001 / EN 61010-1:2001
Safety
Additional Information:
The product herewith complies with the essential requirements of the Low Voltage Directive 2006/95/EC and the
EMC Directive 2004/108/EC and carries the CE Marking accordingly (European Union).
1
Performance Criteria:
A Pass - Normal operation, no effect.
B Pass - Temporary degradation, self recoverable.
C Pass - Temporary degradation, operator intervention required.
D Fail - Not recoverable, component damage.
N/A – Not applicable
Notes:
Regulatory Information for Canada
ICES/NMB-001:2004
This ISM device complies with Canadian ICES-001.
Cet appareil ISM est confomre à la norme NMB-001 du Canada.
Regulatory Information for Australia/New Zealand
This ISM device complies with Australian/New Zealand AS/NZS CISPR11:2004

xii U2000 Series Operating and Service Guide

U2000 Series Operating and Service Guide xiii
Contents
Notices ii
Certification iii
Limitation of Warranty iii
Exclusive Remedies iii
Safety Summary iv
Safety Notices iv
Safety Symbols v
Regulatory Markings vi
Waste Electrical and Electronic Equipment (WEEE) Directive 20002/96/EC vii
General Safety Information viii
Environment Conditions ix
1 Introduction
General Information 2
•System Requirements 12
Product Overview 3
LED Indicator Guide 4
Principles of Operation 6
The U2000 Series USB Power Sensors in Detail 9
Getting Started 11
•Initial Inspection 11
•Package Contents Checklist 11
•System Requirements 12
•Checking the Power Sensor Firmware 12
Hardware Installation and Configuration 15
•A. Installing your U2000 Series USB power sensor 15
•B. Verifying your connected power sensor 18
•C. Configuring your power sensor via Power Analysis Manager 20

xiv U2000 Series Operating and Service Guide
2 Making Measurements
Power Sensor Configuration Settings 22
Measurement Accuracy and Speed 24
•Setting the Range 24
•Measurement Considerations 25
INTer n a l a n d E X Ternal Zero i n g 27
Power Sweep and Frequency Sweep 29
Step Detection 30
3 Specifications and Characteristics
Introduction 32
Specifications 33
•Frequency and Power Ranges 33
•Connector Type 33
•Maximum SWR (25 °C ±10 °C) 34
•SWR Plots for U2000 Series USB Power Sensors 35
•Maximum SWR (0 °C to 55 °C) 40
•Maximum Power 42
•Power Accuracy 43
•Switching Point 46
•Zero Set, Zero Drift, and Measurement Noise 47
•Settling time 49
•Calibration Factor and Reflection Coefficient 51
•Cal Factor Uncertainty 52
•Trigger 54
•Time-gated Measurements 55
General Characteristics 56

U2000 Series Operating and Service Guide xv
4 Service
General Information 58
•Cleaning 58
•Connector Cleaning 58
Performance Test 59
•Standing Wave Ratio (SWR) and Reflection Coefficient (Rho) Performance Test 59
Replaceable Parts 62
Service 64
Troubleshooti ng 64
Repairing a Defective Sensor 64
Disassembly and Reassembly Procedure 65
Attenuator Disassembly and Reassembly Procedure for U2000B and U2001B 67
5 Appendix
Appendix A: Zero Set, Zero Drift, and Measurement Noise 70

xvi U2000 Series Operating and Service Guide
List of Figures
Figure 1-1 LED indicator sequence power-up 5
Figure 1-2 Block diagram of the RF/microwave USB power sensor 8
Figure 1-3 Simplified Block Diagram of Diode Pair/Attenuator/Diode Pair 9
Figure 1-4 Agilent IO Libraries Suite 13
Figure 1-5 Power Analysis Manager Instrument Properties panel 14
Figure 1-6 Calibration due date display 14
Figure 1-7 Found New Hardware Wizard window 15
Figure 1-8 Found New Hardware Wizard driver installation 16
Figure 1-9 Hardware installation warning message 16
Figure 1-10 Completing hardware driver installations 17
Figure 1-11 USB device alias configuration 17
Figure 1-12 Agilent Connection Expert with list of instrument I/O on the PC 18
Figure 1-13 Agilent Interactive IO dialog box 18
Figure 1-14 Identification of your connected power sensor displayed 19
Figure 2-1 Auto-Averaging Settings 23
Figure 2-2 Select either INT or EXT from the Zero Type option 28
Figure 3-1 U2000A Typical SWR (25 °C ±10 °C) 35
Figure 3-2 U2001A Typical SWR (25 °C ±10 °C) 36
Figure 3-3 U2002A Typical SWR (25 °C ±10 °C) 36
Figure 3-4 U2004A Typical SWR (25 °C ±10 °C) 37
Figure 3-5 U2000H Typical SWR (25 °C ±10 °C) 37
Figure 3-6 U2001H Typical SWR (25 °C ±10 °C) 38
Figure 3-7 U2002H Typical SWR (25 °C ±10 °C) 38
Figure 3-8 U2000B Typical SWR (25 °C ±10 °C) 39
Figure 3-9 U2001B Typical SWR (25 °C ±10 °C) 39
Figure 3-10 Typical power accuracy at 25 °C for U2000/1/2/4A models1 44
Figure 3-11 Typical power accuracy at 25 °C for U2000/1B models1 44
Figure 3-12 Typical power accuracy at 25 °C for U2000/1/2H models1 45
Figure 3-13 U2000 Series Autofilter, default resolution, 10 dB decreasing power step (not
across the switching point) 50

U2000 Series Operating and Service Guide xvii
List of Tables
Table 1-1 States of LED indicator and its description 4
Table 2-1 Sensor Ranges 24
Table 2-2 Range Crossover Values 25
Table 3-1 Power Accuracy (with exclusions) 43
Table 3-2 Settling Time for Normal Mode and x2 Mode 49
Table 3-3 Noise Multiplier for Normal Mode and x2 Mode 49
Table 4-1 Power Sensor SWR and Reflection Coefficient for the U2000A 59
Table 4-2 Power Sensor SWR and Reflection Coefficient for the U2001A 59
Table 4-3 Power Sensor SWR and Reflection Coefficient for the U2002A 60
Table 4-4 Power Sensor SWR and Reflection Coefficient for the U2004A 60
Table 4-5 Power Sensor SWR and Reflection Coefficient for the U2000H 60
Table 4-6 Power Sensor SWR and Reflection Coefficient for the U2001H 61
Table 4-7 Power Sensor SWR and Reflection Coefficient for the U2002H 61
Table 4-8 Power Sensor SWR and Reflection Coefficient for the U2000B 61
Table 4-9 Power Sensor SWR and Reflection Coefficient for the U2001B 61
Table 4-10 Replaceable Parts 63
Table 4-11 Disassembly Procedure 65
Table 4-12 Attenuator Disassembly Procedure 67
Table 4-13 Attenuator Reassembly Procedure 68
Table 5-1 Zero Set, Zero Drift, and Measurement Noise 70

xviii U2000 Series Operating and Service Guide

1
Agilent U2000 Series USB Power Sensors
Operating and Service Guide
Agilent Technologies
1
Introduction
General Information 2
Product Overview 3
LED Indicator Guide 4
Principles of Operation 6
Getting Started 11
Hardware Installation and Configuration 15
This chapter introduces the Agilent U2000 Series USB power sensors with
details on the operation, minimum power sensor requirements, hardware
installation and configuration and, a brief introduction of the Agilent N1918A
Power Analysis Manager.

1 Introduction
2 U2000 Series Operating and Service Guide
General Information
This guide contains information about the initial inspection, operation,
specifications and repair of the U2000 Series USB power sensors. The figure
below shows the Agilent U2000 Series USB Power Sensors family.
U2000A
U2001B
U2002H
U2000H