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Barlow Wadley XCR 30 MARK II User Manual

Barlow Wadley XCR 30 MARK II
16 pages
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Barlow Wadley XCR 30 MARK II Specifications

General IconGeneral
ModesAM, SSB, CW
Weight2.5 kg
TypePortable Shortwave Receiver
Frequency Range0.5 - 30 MHz
Power Supply12 V DC
Dimensions80 mm

Summary

Specifications

RF Section Specifications

Details specifications for the Radio Frequency section.

HF Section Specifications

Provides specifications for the High Frequency section.

Power and LF Section Specifications

Specifies power output and Low Frequency performance.

Signal Sensitivity Requirements

Lists typical input signal levels for 50mW audio output.

General Circuit Description

Alignment Procedures

Alignment Requirements and Preparation

Covers test instruments, preparation, and dismantling for alignment.

AF, 455 KHz IF, and BFO Alignment

Alignments for Audio Frequency, 455 KHz IF, and BFO sections.

2 to 3 MHz Interpolation Alignment

Procedure for aligning the 2 to 3 MHz tunable range.

Antenna and Clarify Control Alignment

Procedures for antenna tuning and clarify control adjustments.

Minor Calibration and Zero Set

Correcting minor calibration errors and using the zero set control.

Specific Alignment Sections

Covers 42.5 MHz, 45 MHz IF, First Oscillator, Harmonic Generator, and Antenna Circuit.

Block Schematic Diagram

Parts List