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Icom AH-3 User Manual

Icom AH-3
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Icom AH-3 Specifications

General IconGeneral
TypeAutomatic Antenna Tuner
Frequency Range1.8 - 30 MHz
Input Impedance50 Ω
Power Supply13.8 V DC
Minimum Antenna Length2.5 m
Operating Temperature Range-10 to +60 °C

Summary

General Safety Warnings

Grounding Requirement

Always ground the tuner through the ground terminal before operating; do not use mounting plates for grounding.

Antenna Connection Requirement

Never transmit or tune without an antenna; failure to use an antenna will damage the tuner.

High Voltage Warning

Never touch the antenna while transmitting or tuning; place the antenna where it cannot be touched.

Features

Wide Tuning Range

Provides reliable matching for frequencies from 3.5 MHz to 30 MHz with a 3m (10 ft) antenna.

Installation Procedure

PL-259 Connector Soldering

Operation Guide

Antenna Length Calculation

Specifications

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