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Albrecht AE2990 User Manual

Albrecht AE2990
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17
AE2990 AFS
CB Handheld Radio for AM, FM and SSB
Service Manual
Downloaded from www.cbradio.nl
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Albrecht AE2990 Specifications

General IconGeneral
Frequency RangeAM: 522 - 1620 kHz, FM: 87.5 - 108 MHz
ChannelsConfigurable for different country standards
ModulationAM/FM/SSB/CW
Dimensions210 x 130 x 55 mm
Weight0.6 kg
Modulation ModesFM
Power SupplyBattery

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

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