Albrecht AE2990 - User Manual

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AE2990 AFS
CB Handheld Radio for AM, FM and SSB
Service Manual
Downloaded from www.cbradio.nl

Summary

Service Note on Frequency Jitter

Problem Description and Cause

Details frequency jitter issue in SSB during strong modulation and its cause.

Solution: Frequency Jitter Modification

Describes component changes (capacitor, resistor) to fix the jitter.

PCB Component Layout - Top View

PCB Component Layout - Bottom View

Front Panel Controls PCB Layout

Main PCB Component Layout

Schematic Diagram - Block View

Detailed Schematic Diagram

Albrecht AE2990 Specifications

General

Frequency Range	AM: 522 - 1620 kHz, FM: 87.5 - 108 MHz
Channels	Configurable for different country standards
Modulation	AM/FM/SSB/CW
Dimensions	210 x 130 x 55 mm
Weight	0.6 kg
Modulation Modes	FM
Power Supply	Battery