Agilent Technologies 87512A Operation And Service Manual
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Agilent Technologies 87512A Operation And Service Manual

Transmission/reflection test kit
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Agilent 87512A/B TRANSMISSION/REFLECTION TEST KIT
OPERATION AND SERVICE MANUAL
SERIAL NUMBERS
This manual applies directly to instruments with serial number pre x 3244J.
For additional important information about serial numbers, read
\INSTRUMENT COVERED BY MANUAL" in Chapter 1.
Agilent Part No. 87512-90020
Printed in JAPAN
February 2001

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  • Page 1 Agilent 87512A/B TRANSMISSION/REFLECTION TEST KIT OPERATION AND SERVICE MANUAL SERIAL NUMBERS This manual applies directly to instruments with serial number pre x 3244J. For additional important information about serial numbers, read \INSTRUMENT COVERED BY MANUAL" in Chapter 1. Agilent Part No. 87512-90020...
  • Page 2 This document contains proprietary information which is protected by copyright. All rights are reserved. No part of this document may be photocopied, reproduced, or translated to another language without the prior written consent of the Agilent Technologies. Agilent Technologies Japan, Ltd.
  • Page 3 WARNINGS manufacture, and intended use of the instrument. The Agilent Technologies assumes no liability for the customer's failure to comply with these requirements. DO NOT Operate In An Explosive Atmosphere Do not operate the instrument in the presence of ammable gasses or fumes.
  • Page 4 NNNNN SOFTKEYS Certification Agilent Technologies certi es that this product met its published speci cations at the time of shipment from the factory. Agilent Technologies further certi es that its calibration measurements are traceable to the United States National Institute of Standards and Technology, to the extent allowed by the Institution's calibration facility, or to the calibration facilities of other International Standards Organization members.
  • Page 5 Chapter 1 of this manual, the warranty shall be for the speci ed period. During the warranty period, Agilent Technologies will, at its option, either repair or replace products which prove to be defective.
  • Page 6 Safety Symbols General de nitions of safety symbols used on equipment or in manuals. Instruction manual symbol: the product will be marked with this symbol when it is necessary for the user to refer to the instruction manual in order to protect against damage to the instrument.

  • Page 7: Table Of Contents

    INTRODUCTION ......USING THE 87512A/B ......
  • Page 8 Page 1-6, Tabel 1-3 Operating Characteristics ... . . Page 2-1, Tabel 2-1 Contents of the 87512A/B ... . .
  • Page 9 1-1. Accessories Available ......2-1. Contents of the 87512A/B ..... .

  • Page 11: General Information Introduction

    When information applies to both the 87512A (the 50 test kit) and the 87512B (the 75 test kit) the name 87512A/B will be used. To use the 87512A/B to perform a speci c function (without reading the entire manual), follow the directions in \USING THE 87512A/B".

  • Page 12: Instruments Covered By Manual

    DESCRIPTION AND OPERATING CHARACTERISTICS OF THE INSTRUMENT The 87512A/B transmission/re ection test kit has been designed to operate with the Agilent Technologies network analyzer. The test kit provides a convenient means of measuring the re ection and transmission characteristics of a 50 or 75 device in one direction. The frequency range of the 87512A/B is dc to 2 GHz.
  • Page 13 Figure 1-1. 87512A/B Transmission/reflection Test Kit with Accessories Supplied Description Agilent Part Number 87512A 87512B Carrying Case 87512-60011 87512-60012 Resistive Signal Divider 87512-61001 87512-61002 Semi-rigid cable 41952-61601 41952-61601 Precision SHORT Termination 11512A 85036-60012 Precision LOAD Termination 909C Opt. 012 909E...

  • Page 14: Accessories

    85032B type-N 50 calibration kit Cable Sets Use the 11851B 50 type-N cable set to extend the test port of the 87512A. Use the 11857B 75 type-N test port return cable set to extend the test port of the 87512B.

  • Page 15: Operating And Safety Precautions

    Electrostatic discharge (ESD) can damage the highly sensitive microcircuits Caution in the 87512A/B test kits. ESD damage is most likely to occur when the test kits are connected or disconnected. Protect them by wearing a grounding strap that provides a path to ground of no less than 1 M and no more than 2.5 M .

  • Page 16: Specifications

    410 g OPERATING CHARACTERISTICS Definitions The operating characteristics listed in Table 1-3 are those typical of most 87512A/B instruments but are not guaranteed. Typical but non-warranted performance characteristics intended to provide information useful in applying the instrument. Operating characteristics are representative of most instruments, though not necessarily tested in each unit and not eld tested.

  • Page 17: Introduction

    Installation INTRODUCTION This chapter explains how to install the 87512A/B test kit for use with the network analyzer. The topics covered include initial inspection, environmental considerations, positioning and connecting the test kit for use, and packaging the instrument. INITIAL INSPECTION Inspect the shipping container (including cushioning material) for damage.

  • Page 18: Environmental Considerations

    PREPARATION FOR USE Connecting the Test Kit The 87512A/B is designed to mount directly to the network analyzer as shown in Figure 2-1. The analyzer's R and A ports should be connected to the 87512A/B's R (or INCIDENT) and A (or REFLECTED) ports, respectively. The analyzer's RF OUT port should be connected to the test kit RF IN port using semi-rigid cable.

  • Page 19: Mating Connectors

    Mating Connectors The TEST PORT of the 87512A is a precision 50 type-N female connector and mates with precision 50 type-N male connectors. The TEST PORT of the 87512B is a precision 75 type-N female connector and mates with precision 75 type-N male connectors.

  • Page 21: Introduction

    Operation INTRODUCTION This chapter illustrates the features of the 87512A/B (Figure 3-1. Figure 3-2 shows a typical test kit measurement setup. Figure 3-1. Test Kit Features This connector routes a portion of the incident signal from the analyzer INCIDENT. source to input R of the network analyzer. This signal is used as the reference signal in ratio measurements.

  • Page 22: Typical Measurement Setup

    One Port Measurements One Port Calibration The 87512A/B should be calibrated for re ection measurements using the internal calibration function of the analyzer. The calibration function requires the standards used to be attached in place of a test device during calibration. Refer to the analyzer's manual for a complete description of the calibration procedure.

  • Page 23: Complex Impedance

    By using the 87512A/B transmission calibration and the ratio measurement functions, the gain or loss of the device under test can be displayed directly in decibels or linear ratio units. The calibration function removes the e ects of the 87512A/B and the connecting cables. The analyzer measurement functions B/R or S calculates the gain or loss of the test device.

  • Page 25: Introduction

    Operational Verification INTRODUCTION This chapter provides the 87512A/B test procedure to measure the insertion loss test between the RF INPUT and test port of the test set. Two test procedures are provided for testing the test set's insertion loss. One is used when the 8751A is available as test equipment, and the other is used when the 8751A is NOT available as test equipment.
  • Page 26 909C Opt. 013, 2 ea. This equipment is used for the insertion loss test with an 8751A. This equipment is furnished with the 87512A/B. 11852B is furnished with 87512B. This equipment is used for the insertion loss test without an 8751A.

  • Page 27: Insertion Loss Test With An 8751A

    INSERTION LOSS TEST WITH AN 8751A This test checks the 87512A/B insertion loss between the RF INPUT and the TEST PORT using an 8751A. Test Equipment Network Analyzer 8751A N(m)-N(m) Cable, 50 PN 8120-4666 (Furnished with the 87512A/B) Semi-rigid Cable...

  • Page 28: Insertion Loss Test Setup With An 8751A

    NNNNNNNNNNN MKR SEARCH 4 MKR FCTN 5 reading value is within the following limits: 87512A: -10 dB 1 dB 87512B: -15.7 dB 1 dB The 50 - 75 minimum loss pad increases the 87512B test set insertion loss Note from -10 dB to -15.7 dB.

  • Page 29: Insertion Loss Test Without An 8751A

    INSERTION LOSS TEST WITHOUT AN 8751A This test checks the 87512A/B insertion loss between the RF INPUT and the TEST PORT using Signal Generator and Power Meter. Test Equipment Signal Generator 8663A Power Meter 436A Power Sensor 8482A 50 Termination 909C Opt.
  • Page 30 8. Con rm that the calculated result is within the following limits: 87512A: -10 dB 1 dB 87512B: -15.7 dB 1 dB The 50 - 75 minimum loss pad increases the 87512B test set insertion loss Note from -10 dB to -15.7 dB.

  • Page 31: Service

    This chapter provides the inforamtion for servicing the signal divider of the 87512A/B Transmission/Re ection Test Kit. Figure 5-1 shows the exploded view of the 87512A signal divider (50 : PN 87511-61001) and the 87512B signal divider (75 : PN 87511-61002). Table 5-1 lists the replaceable parts for the 87512A signal divider, and Table 5-2 lists the replaceable parts for the 87512B signal divider.
  • Page 32 Figure 5-1. 87512A/B Signal Divider Exploded View Service...
  • Page 33 Table 5-1. 87512A Signal Divider Replaceable Parts Lists Reference Part No. Description Mfr Mfr Part No. Designator 87512-87114 6 1 Label \RF IN" 28480 87512-87114 1250-0549 4 2 Body-RF Connector Type N Female 28480 1250-0549 0515-0999 9 4 Screw - Mach...

  • Page 35: Manual Changes

    MANUAL CHANGES To adapt this manual to your 87512A/B, refer to Table A-1 and make all of the manual changes listed opposite your test set's serial number. Test sets manufactured after the printing of this manual may be di erent than those documented in this manual.

  • Page 36: Tabel 1-2 Speci Cations

    1, 2 Page 2-1, Tabel 2-1 Contents of the 87512A/B Change as follows. Carrying case 87512-60001 87512-60002 Page 5-3, Tabel 5-1. 87512A Signal Divider Replaceable Parts Lists Change as follows. 87512-87111 Label, Top 28480 87512-87111 Page 5-3, Tabel 5-2. 87512B Signal Divider Replaceable Parts Lists Change as follows.

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87512b

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