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EHRHORN ALPHA 77Sx User Manual

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40 pages
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PRICE: $10.00
OPERATING AND TECHNICAL MANUAL
HIGH FREQUENCY LINEAR POWER AMPLIFIERS
ALPHA 77Dx and ALPHA 77Sx
EHRHORN TECHNOLOGICAL OPERATIONS, INC.
JANUARY 1990
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EHRHORN ALPHA 77Sx Specifications

General IconGeneral
BrandEHRHORN
ModelALPHA 77Sx
CategoryAmplifier
LanguageEnglish

Summary

Product Description and Specifications

Specifications

Lists technical specifications like frequency, power, impedance, and cooling.

Amplifier Installation Guide

Electrical Installation and Wiring

Details wiring for various voltage configurations and power connections.

Operating the Amplifier

Control Functions and Modes

Explains front panel controls, buttons, and operational modes (OFF, STBY, CW/LOW V, SSB/HIGH V).

Tune-Up Procedures

General guidelines and initial tune-up steps for the amplifier.

Troubleshooting Common Issues

Troubleshooting Guide (Symptoms 1-4)

Lists common symptoms and their possible causes/cures.

Troubleshooting Guide (Symptoms 5-8)

Lists more common symptoms and their potential causes and cures.

Troubleshooting Guide (Symptoms 9-12)

Lists further symptoms and their potential causes and cures.

Troubleshooting Guide (Continued)

Lists final symptoms and their potential causes and cures.

Understanding Amplifier Theory

RF Amplifier and Power Supply Circuitry

Details the RF amplifier circuitry and the power supply system.

CW Break-In (QSK) System

Explains the operation, sequence, and protection of the QSK system.

Product Warranty Information