HP 41802A Quick start guide

HP 41802A 1 M Input Adapter
Operation Note
SERIAL NUMBERS
This manual applies directly to HP 41802As with serial number prex 3103J.For additional
important information about serial numbers, read \Serial Number" in Chapter 1.
ABCDE
HP Part No. 41802-90000
Printed in Japan February, 1999
2nd Edition

c
 Copyright 1991,1999 Hewlett-Packard Japan, LTD.

Certication
Hewlett-Packard Company certies that this product met its published specications at the
time of shipment from the factory. Hewlett-Packard further certies that its calibration
measurements are traceable to the United States National Institute for Standards and
Technology, to the extent allowed by the Institution's calibration facility, or to the calibration
facilities of other International Standards Organization members.
Warranty and Assistance
All Hewlett-Packard products are warranted against defects in materials and workmanship.
This warranty applies for one year from the date of delivery,or, in the case of certain
major components listed in the operating manual, for the specied period. We will repair or
replace products which prove to be defective during the warranty period provided they are
returned to Hewlett-Packard. No other warranty is expressed or implied. We are not liable for
consequential damages.
For any assistance, contact your nearest Hewlett-Packard Sales and Service Oce.Addresses
are provided at the back of this manual.
Limitation of Warranty
The foregoing warranty shall not apply to defects resulting from improper or adequate
maintenance by Buyer, Buyer-supplied software or interfacing, unauthorized modication or
misuse, operation outside of the environment specications for the product, or improper site
preparation or maintenance.
No other warranty is expressed or implied. HP specically disclaims the implied warranties
of merchantability and tness for a particular purpose.
iii

Caution
The HP 41802A is sensitive to electrostatic discharge (ESD). The followings
must be adhered to when using the HP 41802A.
Do NOT touch the center conductor of the BNC connector of the HP
41802A.
Do NOT touch the pin of the probe which is connected to the HP 41802A.
Eliminate ESD on your body.
Eliminate ESD on the work surface.
Do NOT introduce ESD into the DUT, while the HP 41802A and the probe is
in use.
iv

Contents
1. General Information
Introduction . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1-1
Compatible Equipment . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1-2
Compatible Instruments .......................... 1-2
Compatible Probes . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1-2
Serial Number . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1-3
Specications ................................ 1-4
Supplemental Performance Characteristics .... .. .. .. .. .. .. .. 1-5
2. Installation
Introduction . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 2-1
Initial Inspection . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 2-2
Power Requirements . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 2-3
Mating Connectors . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 2-3
Environmental Requirements . . . . . . . . . . . . . . . . . . . . . . . . . 2-4
3. Operation
Introduction . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 3-1
Operating Precautions ............................ 3-2
Anti-static Precautions . . . . . . . . . . . . . . . . . . . . . . . . . . . 3-2
Maximum Allowable Level . . . . . . . . . . . . . . . . . . . . . . . . . 3-3
Discharging the Probe .... .. .. .. .. .. .. .. .. .. .. .. . 3-3
Probe Power Plug .... .. .. .. .. .. .. .. .. .. .. .. .. . 3-3
Preparation for Use ............................. 3-3
Operating Check Using a Network Analyzer . . . . . . . . . . . . . . . . . 3-4
Using an HP 8751A or HP 3577A/B Network Analyzer . . . . . . . . . . . 3-4
Equipment Required . . . . . . . . . . . . . . . . . . . . . . . . . . 3-4
Procedure . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 3-4
Using HP 8753A/B/C Network Analyzer . . . . . . . . . . . . . . . . . . 3-5
Equipment Required . . . . . . . . . . . . . . . . . . . . . . . . . . 3-5
Procedure . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 3-5
Operating Check Using a Spectrum Analyzer .... .. .. .. .. .. .. 3-6
Equipment Required . . . . . . . . . . . . . . . . . . . . . . . . . . . 3-6
Procedure . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 3-6
Operating Check Using a Network/Spectrum Analyzer ............ 3-7
Equipment Required . . . . . . . . . . . . . . . . . . . . . . . . . . . 3-7
Procedure . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 3-7
Adjusting the Probe ............................ 3-8
Using a Network Analyzer .. .. .. .. .. .. .. .. .. .. .. . . 3-8
Equipment Required . . . . . . . . . . . . . . . . . . . . . . . . . . 3-8
Procedure . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 3-8
Using a Spectrum Analyzer . . . . . . . . . . . . . . . . . . . . . . . . 3-10
Equipment Required . . . . . . . . . . . . . . . . . . . . . . . . . . 3-10
Procedure . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 3-10
Typical Measurement Setups .... .. .. .. .. .. .. .. .. .. .. . 3-11
Network Measurements .......................... 3-12
Contents-1

Using One HP 41802A .......................... 3-12
Using One HP 41802A with a Transmission/Reection Test Set .... .. . 3-13
Using Two HP 41802As ......................... 3-14
Spectrum Measurements . . . . . . . . . . . . . . . . . . . . . . . . . . 3-15
Using HP 41802A with instruments which have BNC connectors .. .. .. . 3-16
4. Performance Test
Introduction . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 4-1
Equipment Required . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 4-1
Calibration Cycle .............................. 4-2
Preparation . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 4-2
Gain Accuracy/Flatness Tests . . . . . . . . . . . . . . . . . . . . . . . . . 4-3
Description ................................ 4-3
Specications ............................... 4-3
Test Equipment .............................. 4-3
Procedure . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 4-3
Performance Test Record . . . . . . . . . . . . . . . . . . . . . . . . . . . 4-6
Gain Accuracy/Flatness Tests . . . . . . . . . . . . . . . . . . . . . . . . 4-6
5. Adjustment
Introduction . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 5-1
Equipment Required . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 5-1
Preparation . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 5-1
Gain Adjustment . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 5-2
Description ................................ 5-2
Equipment ................................ 5-2
Procedure . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 5-2
6. Replaceable Parts
Replaceable Parts Lists . . . . . . . . . . . . . . . . . . . . . . . . . . . . 6-1
A. Manual Changes
Introduction . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . A-1
Manual Changes . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . A-1
Contents-2

Figures
1-1. Serial Number Plate .. .. .. .. .. .. .. .. .. .. .. .. .. .. 1-3
1-2. Specications .. .. .. .. .. .. .. .. .. .. .. .. .. .. .. . 1-4
1-3. Supplemental Characteristics . . . . . . . . . . . . . . . . . . . . . . . . 1-5
2-1. Product Overview . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 2-2
2-2. Probe Power Requirements . . . . . . . . . . . . . . . . . . . . . . . . . 2-3
3-1. Operating Check Setup Using HP 8751A or HP 3577A/B Network Analyzer .. 3-4
3-2. Operating Check Setup Using HP 8753A/B/C Network Analyzer . . . . . . . . 3-5
3-3. Operating Check Setup Using Spectrum Analyzer .... .. .. .. .. .. 3-6
3-4. Operating Check Setup Using Network/Spectrum Analyzer . . . . . . . . . . 3-7
3-5. Probe Adjustment Setup Using a Network Analyzer|1 . . . . . . . . . . . . 3-8
3-6. Probe Adjustment Setup Using a Network Analyzer|2 . . . . . . . . . . . . 3-9
3-7. Probe Adjustment Setup Using Spectrum Analyzer . . . . . . . . . . . . . . 3-10
3-8. Network Measurement Setup Example (Using One HP 41802A) . . . . . . . . 3-12
3-9. Network Measurement Setup Example (Using with a Transmission/Reection Set) 3-13
3-10. Network Measurement Setup Example (Using Two HP 41802As) .... .. . 3-14
3-11. Spectrum Measurement Setup Example . . . . . . . . . . . . . . . . . . . 3-15
3-12. Measurement Setup Example (BNC input connector) . . . . . . . . . . . . . 3-16
4-1. Test Setup 1 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 4-3
4-2. Test Setup 2 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 4-4
5-1. Adjustment Setup 1 ............................ 5-2
5-2. Adjustment Setup 2 ............................ 5-3
5-3. Adjustment Setup 3 ............................ 5-4
6-1. Replaceable Parts (1 of 2) ......................... 6-2
6-2. Replaceable Parts (2 of 2) ......................... 6-4
Tables
2-1. Probe Power Requirements . . . . . . . . . . . . . . . . . . . . . . . . . 2-3
3-1. Anti-static Products Available ....................... 3-2
4-1. Recommended Test Equipment . . . . . . . . . . . . . . . . . . . . . . . 4-1
6-1. Component Manufactures .... .. .. .. .. .. .. .. .. .. .. . 6-1
6-2. Replaceable Parts (2 of 2) ......................... 6-3
6-3. Replaceable Parts (2 of 2) ......................... 6-4
A-1. Manual Changes by Serial Number ..................... A-1
Contents-3

1
General Information
Introduction
The HP 41802A 1 M Input Adapter is used with high impedance passive probes for circuit
signal analysis using network and spectrum analyzers.
This is an operation note for the HP 41802A, containing information on installation, operation,
and service in the following chapters.
Chapter 1, General Information
Provides the specications and the information necessary for preparing the HP 41802A for
use.
Chapter 2, Installation
Provides the installation information, including initial inspection, power requirements
,
mating connectors, and environmental requirements.
Chapter 3, Operation
Provides the information for preparation and typical measurement setups
, including cautions
on use.
Chapter 4, Performance Test
Provides performance test procedures to ensure that the HP 41802A is within specications
.
Chapter 5, Adjustment
Provides the adjustment procedure to bring it within specications
, if the HP 41802A failed
the performance test or it has been repaired.
Chapter 6, Replaceable Parts
Provides the replaceable parts information to service the HP 41802A.
General Information 1-1

Compatible Equipment
Compatible Instruments
Instruments compatible with the HP 41802A are network and spectrum analyzers which meet
the following conditions.
Measurement frequency range includes 5 Hz to 100 MHz.
Input resistance is 50 .
Probe power supplies are furnished.
The following HP network and spectrum analyzers are compatible with the HP 41802A.
Network Analyzers: HP 8751A, HP 8753A/B/C, HP 3577A/B
Spectrum Analyzers: HP 3585A/B, HP 8568B
Network/Spectrum Analyzer: HP 4195A
If the instrument does not have a probe power supply, use a separate power supply which
meets the requirements described in \Power Requirements" in Chapter 2.
Compatible Probes
Compatible probes with the HP 41802A are high impedance passive probes which meet the
following conditions.
Input resistance is 1 M.
Compensates oscilloscope input capacitance includes 12 pF.
The following HP Oscilloscope Probes are compatible with the HP 41802A.
HP 10432A, HP 10433A, HP 10435A, HP 10440A
HP 10017A, HP 10018A, HP 10080A, HP 10081A
Refer to \Adjusting the Probe" in Chapter 3 how to adjust the probe which is connected to a
network analyzer or a spectrum analyzer.
1-2 General Information