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Anritsu ML2437A User Manual

Anritsu ML2437A
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Operation and Remote Programming Manual
ML2437A / ML2438A
Power Meter
Anritsu Company
490 Jarvis Drive
Morgan Hill, CA 95037-2809
USA
http://www.anritsu.com
Part Number: 10585-00001
Revision: P
Published: October 2017
Copyright 2017 Anritsu Company

Table of Contents

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Anritsu ML2437A Specifications

General IconGeneral
BrandAnritsu
ModelML2437A
CategoryMeasuring Instruments
LanguageEnglish

Summary

Chapter 1: General Information

About this Manual

Provides installation and operational information for the ML2437A and ML2438A Power Meters.

Associated Documentation and Software

Information on downloading updated software and related literature from the product page library.

Identification Number

Details on the ML243xA ID number affixed to the rear panel for ordering parts.

Available Models

Lists the available ML243xA Power Meters with their sensor inputs and included cables.

Available Options, Accessories, and Power Sensors

References the Technical Data Sheet for a complete listing of options, accessories, and power sensors.

Chapter 2: Installation

Initial Inspection

Procedure for inspecting the shipping container and instrument for damage.

Sensor Handling

Guidelines for handling the power meter sensors, referring to the sensor manual for connector care.

Power Requirements

Details on AC line, DC, and battery power requirements for the ML243xA Power Meter.

Environmental Requirements

Specifications for operating temperature and humidity, and recommendations for optimal battery life.

Rack Mounting

Information on mounting the ML243xA into a standard 48 cm equipment rack with available option kits.

Battery Charging, Removal and Replacement

Instructions for handling the optional battery pack, including charging, removal, and replacement procedures.

Storage and Shipment

Procedures for preparing the power meter for storage and shipment, including environmental requirements.

Preparing for Shipment

Step-by-step instructions for packing the ML243xA for return shipment to Anritsu.

Chapter 3: Memory and Security Considerations

Introduction

Overview of the three types of memory devices in the ML2437A/38A Power Meters.

Secure Mode

Information on using secure mode to wipe non-volatile static RAM and reset to factory defaults.

Clearing the Non-Volatile Static RAM

Procedure to permanently erase all user data, including saved set-up data.

Anritsu Power Sensors EEPROM

Details on EEPROM contents in Anritsu Power Sensors and how to clear user cal factor table data.

Chapter 4: Connections

Front Panel Connectors

Illustrations and descriptions of the ML243xA's front panel connectors.

Rear Panel Connectors

Detailed explanation of the rear panel connectors and their functions.

Chapter 5: Front Panel Operation

Front Panel Controls

Detailed explanations of the front panel controls, including numeric keypad, LCD, soft keys, and power button.

Power-On Procedure

Description of the power-on self test (POST) and how errors or warnings are displayed.

Sensor Menu

Controls for sensor data processing, including Setup, SENSOR, OPTION, MODE, HOLD, and Calfactor.

Channel Menu

Controls the operation of display channels, including setup, input, units, resolution, and min/max tracking.

Trigger Menu

Defines conditions and time periods for measurements, including SOURCE, DELAY, WIDTH, and EDGE.

System Menu

Controls operating modes, display visibility, sound, rear panel functions, and battery state.

Cal/Zero Menu

Establishes the 0.0 dBm reference calibration and zeroing of sensors.

Chapter 6: Procedures

Power Measurement

Step-by-step guide to performing a power measurement, including sensor connection and zeroing.

Zeroing the Sensor

Procedure to zero the sensor to remove DC offset and minimize measurement noise floor.

Sensor Calibration

Recommendation to reference power sensors to the ML243xA 50 MHz, 0.0 dBm calibrator.

Sensor Zero/Cal

Function that completes both zeroing and calibration operations in sequence.

Performance Verification

How to verify the performance of individual signal channel inputs using an Anritsu Range Calibrator.

Printer Connection

Instructions for connecting a parallel printer to the ML243xA's rear panel port.

GPIB Remote Operation

Operating the ML243xA remotely via GPIB connection to a host computer/controller.

Serial Remote Operation

Operating the ML243xA remotely through the rear panel serial connector.

RS232 Modem Support

Operating the ML243xA remotely via a modem connected to the rear panel serial connector.

Profile Operation Mode

Describes setting up and viewing signals in Profile mode, allowing graphical signal analysis.

Source Sweep Mode

Allows synchronization to an RF source for swept power-accurate measurements.

Power vs. Time Mode

Provides a graphical chart display of channel readings over a user-defined period.

User Cal Factors

Explains how to define and store calibration factor sets in the sensor's EEPROM.

Optimizing Readings

Information on achieving the fastest readings from the ML243xA when operating under GPIB control.

Operator Maintenance

Details on software loader instructions for firmware updates.

Chapter 7: Measurement Examples

Example 1: Standard CW Power Measurements

Guide to making standard carrier wave power measurements, including switching on and presets.

Example 2: Measuring Modulated Carrier

Correctly measuring amplitude modulated carriers with average powers greater than -25 dBm.

Example 3: Optimizing Measurements at Low Power Levels

Techniques for minimizing noise and improving readings at low power levels, including averaging modes.

Example 4: Using Both Channels

Demonstrates measuring power on two channels simultaneously for various applications.

Example 5: Using Two Sensors

Utilizing the dual input ML2438A for simultaneous measurements with two sensors.

Example 6: Gain Compression Measurement

Measuring the 1 dB compression point of an amplifier using a two-input power meter setup.

Example 7: Measuring Pulse Signals With a Duty Cycle

Measuring pulse output power by entering the pulse duty cycle for mathematical correction.

Example 8: Profiling Pulse Signals

Viewing signals graphically and digitally, including setting up triggering for pulse analysis.

Example 9: Displaying GSM-TDMA Bursts

Measuring GSM-TDMA bursts within an eight-slot frame using profile and trigger settings.

Example 10: Power Versus Time Data Logging

Taking power measurements over a user-defined period and logging the data.

Example 11: Frequency Measurements Using a Separate Source

Measuring power against swept frequency to perform a frequency response measurement.

Chapter 8: GPIB Operation

Data I/O Formats

Explains the format for native and HP emulation GPIB commands, including data delimiters and numeric suffixes.

Query Commands

Details on equivalent query commands that return current values or settings.

GPIB PC Card Setup

Recommended GPIB driver configuration for reliable communication with the ML243xA.

Using 488.1 GPIB

Explains IEEE 488.1 level commands such as Device Clear, Device Trigger, and Goto Local.

Using 488.2 GPIB

Fundamentals of IEEE 488.2 GPIB operation and its implementation in the ML243xA Power Meter.

488.2 Command Format

Basic format for 488.2 commands, including mnemonics, parameters, and terminators.

Functional Groups

Categorization of commands into functional groups like BNC, Calibration, Channel, and GPIB Setup.

ML24xxA Native Commands

Alphabetical listing of GPIB commands used to program the ML243xA in its native mode.

GPIB Emulation Modes

Details on emulating other power meters' GPIB communication, including command restrictions.

ML4803A Emulation Commands

Alphabetical listing of GPIB commands for ML4803A emulation mode.

HP436A Emulation Commands

Alphabetical listing of GPIB commands for HP436A emulation mode.

HP437B Emulation Commands

Alphabetical listing of GPIB commands for HP437B emulation mode.

HP438A Emulation Commands

Alphabetical listing of GPIB commands for HP438A emulation mode, supporting HP437B cal factor commands.

Programming Examples

Output Data

Visual Basic or C language example for retrieving readings via GPIB.

Get Graph Data

Example function to retrieve graph display setup and data from the ML2430A.

Status Register Control

Demonstrates using Status Registers for synchronization and making readings.

488.2 General Send/Receive System

Function using status registers to synchronize GPIB commands and return data.

Binary Output Message Decoding

Program example to decode binary output messages like OGBD, MXGDB, MNGDB, OFFTBR, CFURD.

Appendix A: Technical Support

Getting Support

Information on obtaining technical support and details to provide.

Appendix B: Specifications

System Configuration

Lists system configurations, rear panel inputs/outputs, and GPIB interface details.

System Defaults

Details default parameters loaded when 'preset' is selected, covering sensor, channel, and trigger setups.

System Error Messages

Details front panel error messages, their meanings, and how to contact support.

Calibration and Zero Error Codes

Lists specific error messages related to calibration and zeroing operations.

Appendix C: GPIB Quick Reference

ML24XXA Quick Reference

Reference tables for ML24XXA native mode commands, sorted by functional group.

ML4803A Quick Reference

Reference tables for ML4803A emulation mode commands.

HP436A Quick Reference

Reference tables for HP436A emulation mode commands.

HP437B Quick Reference

Reference tables for HP437B emulation mode commands.

HP438A Quick Reference

Reference tables for HP438A emulation mode commands.

HP-IB Support

Lists HP-IB commands for HP437B and HP438A, and their support status on ML243xA.

Appendix D: Connector Care and Handling

Pin Depth Mating Connectors

Precautions regarding connector pin depth to prevent damage and ensure compatibility.

Torquing Connectors

Guidelines for proper connector torque to avoid damage and ensure good connection.

Mechanical Shock

Precautions regarding mechanical shock to maintain the service life of precision connectors.

Cleaning Connectors

Instructions for cleaning connector interfaces using isopropyl alcohol and cotton swabs.

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