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

45 pages

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Table of Contents4
Assembly Notes6
Parts List7
Battery13
Step-By-Step Assembly14
Circuit Board Assembly14
Circuit Board Checkout22
Chassis Assembly23
Tests and Adjustments26
Final Assembly29
Remote Sensor Mounting29
Operation and Installation30
Control and Switch Functions30
SWR Measurement32
Wattmeter Power32
Troubleshooting33
Specifications35
Circuit Description37
Remote Sensor37
Switching Circuits37
PEP Circuits38
Power Supply38
Semiconductor Chart40
Customer Service42
Schematic Diagrams44

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

Table of Contents

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