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Heathkit HM-2140 User Manual

Heathkit HM-2140
45 pages
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Heathkit HM-2140 Specifications

General IconGeneral
BrandHeathkit
ModelHM-2140
CategoryMeasuring Instruments
LanguageEnglish

Summary

INTRODUCTION

ASSEMBLY NOTES

PARTS LIST

BATTERY

STEP-BY-STEP ASSEMBLY

CHASSIS ASSEMBLY

TESTS AND ADJUSTMENTS

INITIAL TESTS AND ADJUSTMENTS

Initial checks and setup procedures before calibration or operation.

ADJUSTMENTS

Procedures for calibrating and tuning the device's performance.

FINAL ASSEMBLY

REMOTE SENSOR MOUNTING

Instructions for physically mounting the remote sensor unit.

OPERATION AND INSTALLATION

CONTROL AND SWITCH FUNCTIONS

Explanation of the purpose and operation of front panel controls and switches.

SWR MEASUREMENTS

WATTMETER POWER

IN CASE OF DIFFICULTY

GENERAL

General advice for troubleshooting common assembly errors and soldering issues.

Troubleshooting Chart

SPECIFICATIONS

CIRCUIT DESCRIPTION

REMOTE SENSOR

Description of the remote sensor's functional components and operation.

SWITCHING CIRCUITS

Explanation of signal routing through various circuit board switches.

PEP CIRCUITS

Details of the Peak Envelope Power detection and buffering circuits.

POWER SUPPLY

Information on power sources, including battery and converter options.

SEMICONDUCTOR CHART

CUSTOMER SERVICE

REPLACEMENT PARTS

Instructions for ordering and obtaining replacement parts from the factory or centers.

TECHNICAL CONSULTATION

Guidance on seeking technical assistance and providing necessary product information.

REPAIR SERVICE

Information on how to send the completed kit for professional repair services.

SCHEMATIC OF THE HF DUAL WATTMETER MODEL HM-2140-A

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