ML248xx, ML249xA MM PN: 13000-00164 Rev. K 1-1
Chapter 1 — General Information
1-1 Introduction
This manual provides service information for the ML2487/8A, ML2487/8B and ML2495/6A Wideband Peak
Power Meter. The service information includes replaceable parts information, troubleshooting, performance
verification tests, calibration procedures, functional circuit descriptions and block diagrams, and
assembly/subassembly removal and replacement. Throughout this manual, the terms ML248xx or ML249xA,
Power Meter, or DUT (device under test) are used to refer to the instrument. Manual organization is shown in
the table of contents.
This chapter provides a general description of the ML248xx and ML249xA identification numbers, related
manuals, and options. Information is included concerning level of maintenance, replaceable subassemblies and
components, exchange assembly program, and preventive maintenance. Static-sensitive component handling
precautions and lists of exchangeable subassemblies and recommended test equipment are also provided.
1-2 Description
This manual is applicable to the following power meters:
A complete instrument description with performance specifications for each model can be found in the
technical data sheet, Anritsu part number: 11410-00423, which is also available online. Updated versions of
this manual and the technical data sheet may be downloaded from the Anritsu Internet site at:
http://www.anritsu.com.
1-3 Documentation Conventions
The following conventions are used throughout this document:
Instrument Identification
Throughout this manual, the terms ML248xx or ML249xA, Power Meter, or DUT (device under test) are used to
refer to the instrument. When required to identify a specific model, the specific model number is used, such as
ML2496A. Manual organization is shown in the table of contents.
Hard Keys or Front Panel Keys
Front panel hard keys are denoted with a bold Sans Serif font such as “Press the front panel Frequency key.”
Table 1-1. Power Meter Model Descriptions
Model Description Frequency Range Video BW
Input
Channels
ML2487A Wideband Power Meter, Single Input 100 kHz to 65 GHz 20 MHz 1
ML2487B Wideband Power Meter, Single Input 100 kHz to 65 GHz 20 MHz 1
ML2488A Wideband Power Meter, Dual Input 100 kHz to 65 GHz 20 MHz 2
ML2488B Wideband Power Meter, Dual Input 100 kHz to 65 GHz 20 MHz 2
ML2495A Pulse Power Meter, Single Input 100 kHz to 65 GHz 65 MHz 1
ML2496A Pulse Power Meter, Dual Input 100 kHz to 65 GHz 65 MHz 2
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