HP 436A Service Manual

Errata
Title & Document Type: 436A Power Meter Operating and Sevice Manual
Manual Part Number: 00436-90053
Revision Date: 1988-03-01
HP References in this Manual
This manual may contain references to HP or Hewlett-Packard. Please note that Hewlett-
Packard's former test and measurement, semiconductor products and chemical analysis
businesses are now part of Agilent Technologies. We have made no changes to this
manual copy. The HP XXXX referred to in this document is now the Agilent XXXX.
For example, model number HP8648A is now model number Agilent 8648A.
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HP 436A Specifications

General

Type	Power Meter
Impedance	50 ohms
Display	Analog meter
Power Supply	115/230 VAC, 50/60 Hz
Sensor Type	Thermistor
Operating Temperature	0°C to 55°C
Connector Type	N-type
Weight	3.6 kg (8 lbs)

Summary

General Information

Introduction

Provides an overview of the manual's scope, including installation and operation.

Specifications

Lists instrument specifications and performance standards for testing.

Instruments Covered by Manual

Details options covered and serial number prefixes applicable to the manual.

Description

Describes the power meter's capabilities, features, and system integration.

Options

Details available input/output and remote control options for the power meter.

Installation

Initial Inspection

Instructions for inspecting the shipping container and instrument for damage.

Preparation for Use

Covers power requirements, line voltage selection, and fuse installation.

Interconnections

Information on connecting power sensors, HP-IB, and mating connectors.

Operating Environment

Specifies the recommended temperature, humidity, and altitude limits.

Mounting and Storage

Guidelines for bench operation, rack mounting, and instrument storage.

Operation

Panel Features

Describes front and rear panel controls, connectors, and indicators.

Operator's Checks

Procedures for verifying major functions of the Power Meter.

Local Operating Instructions

General instructions for operating the meter via front-panel controls.

HP-IB Remote Operation

Details remote programming and data output via HP-IB.

Power Measurement Accuracy

Discusses sources of error and uncertainty in power measurements.

Performance Tests

Introduction and Setup

Covers manual introduction, equipment, test records, and general test overview.

Zero Carryover Test

Tests the change in digital readout after zeroing on the most sensitive range.

Instrument Accuracy Test

Verifies accuracy in Watt, dBm, and dB (REL) modes.

Calibration Factor Test

Tests the 16-position switch for normalizing readings to calibration factor.

Power Reference Level Test

Verifies the accuracy of the internal 50 MHz power reference oscillator.

Adjustments

Safety Considerations

Highlights safety information, cautions, and warnings for service personnel.

Equipment Required

Lists test equipment needed for adjustment procedures.

DC Offset and Auto Zero Adjustments

Adjusts DC offset and auto zero potentiometers for proper function.

Power Reference Oscillator Adjustments

Covers frequency and level adjustments for the power reference oscillator.

Power Supply Adjustments

Adjusts and checks the stability of the power supply voltages.

Replaceable Parts

Introduction

Explains the section's purpose regarding ordering parts.

Abbreviations

Lists abbreviations used in the parts list and manual.

Replaceable Parts List

Provides a detailed list of all replaceable parts with specifications.

Ordering Information

Instructions on how to order parts, including contact and address details.

Direct Mail Order System

Details HP's direct mail order system for acquiring parts.