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Anritsu MS2665C Service Manual

Anritsu MS2665C
178 pages
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Third Edition
MS2665C/MS2667C/MS2668C
Spectrum Analyzer
Service Manual
Measuring Instruments Division
Measurement Group
ANRITSU CORPORATION
Document No.: M-W1335BE-3.0
To ensure that this equipment is used safely, im-
portant safety items are explained in the
MS2665C/MS2667C/MS2668C Spectrum Analyzer
Operation Manual. This manual explains impor-
tant service items related to service. Read both
the operation manual and this manual, and keep
both with the equipment.

Table of Contents

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Anritsu MS2665C Specifications

General IconGeneral
Input Impedance50 Ohms
Weight3.8 kg
Phase Noise-100 dBc/Hz (at 1 GHz, 10 kHz offset)
Resolution Bandwidth (RBW)30 Hz to 3 MHz
Video Bandwidth (VBW)1 Hz to 3 MHz
Display Average Noise Level-152 dBm (typical, 1 GHz, RBW 1 Hz)
Displaycolor LCD
Sweep Time1000 s
Input ConnectorN-type female

Summary

Section 1 General

Section 2 MS2665C

2.1 Overall Circuit Description

Provides a detailed explanation of the MS2665C spectrum analyzer's circuitry and block diagram.

2.2 Troubleshooting

Covers service kits, required equipment, circuit reference, fault detection, and module replacement.

2.3 Mechanical Configuration

Details procedures for disassembling and assembling the instrument's cabinet and internal components.

Section 3 MS2667C

3.1 Overall Circuit Description

Explains the overall circuit of the MS2667C spectrum analyzer, including its block diagram.

3.2 Troubleshooting

Provides guidance on troubleshooting the MS2667C, including service kits and fault detection.

3.3 Mechanical Configuration

Details the disassembly and assembly procedures for the MS2667C's mechanical parts.

Section 4 MS2668C

4.1 Overall Circuit Description

Describes the overall circuit of the MS2668C spectrum analyzer with its block diagram.

4.2 Troubleshooting

Guides users through troubleshooting the MS2668C, covering service, fault finding, and adjustments.

4.3 Mechanical Configuration

Outlines the procedures for disassembling and assembling the MS2668C's mechanical components.

Section 5 Firmware installation

Section 6 Performance test system

6.1 Required instruments

Lists the instruments required for the performance test system.

6.2 Required software

Specifies the software requirements for the performance test system.

6.3 Test group 1

Details the test items and setup for the first group of performance tests.

6.4 Test group 2

Details the test items and setup for the second group of performance tests.

6.5 Test group 3

Details the test items and setup for the third group of performance tests.

Section 7 Options

7.1 Introduction

Overview of current options available for MS2665C, MS2667C, and MS2668C.

7.2 Parts, PC board installation

Covers cabinet disassembly, PC board fitting, and installation procedures for various options.

7.3 Software setting

Describes software settings required in Maintenance display for options to be effective.

7.4 Performance test

Details the performance tests for specific options like Hi-speed time domain sweep.

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