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Icom IC-R71A Service Manual

Icom IC-R71A
25 pages
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Icom IC-R71A Specifications

General IconGeneral
Frequency Range0.1-30 MHz
ModeSSB, CW, AM, FM
Antenna Impedance50 Ω
Sensitivity (SSB/CW, 1.6-30 MHz)0.5 µV
Sensitivity (SSB/CW, 0.1-1.6 MHz)1.0 µV
Sensitivity (FM, 28-30 MHz)0.5 µV
Selectivity (SSB/CW)2.4 kHz / 6 dB
Selectivity (AM)6 kHz / 6 dB
Selectivity (FM)15 kHz / 6 dB
Image Rejection>70 dB
IF Frequencies455 kHz
Power SupplyAC 100V
Tuning Steps1 kHz / 10 kHz

Summary

Section 1 Specifications

General Specifications

Covers frequency coverage, control, readout, stability, power requirements, and physical dimensions.

Section 2 Controls and Their Functions

Front Panel Controls

Details all controls, switches, and indicators located on the front panel of the device.

Rear Panel Connections

Outlines connectors and controls found on the rear panel for external connections.

Section 5 Operation

RF Unit Operation

Explains the operational principles and circuits of the RF unit.

Main Unit Operation

Details the operational aspects of the main unit circuits.

PLL Unit Overview

Explains the operational principles of the Phase Locked Loop (PLL) unit.

Logic Unit Functions

Describes the primary functions of the logic unit.

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