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ANTENTOP- 01- 2006, # 008

Experimental CW QRP Transceiver




By: A. Dolinin, UA9LAK/UN7, Baikonur




Frequencies coverage: 14,000... 14,200 kHz;

Supply voltage: 10 to 15 VDC

Size and weight: depend on parts, used at manufacturing.



Sensitivity: better 1 microV;

Selectivity: depends on quartz filter



Power: up to 5 W (on 50 Ohm load);


Design: The block diagram of the trcv is shown on Figure 1. No one electromagnetic relay here, an electronic switch is used. Circuits of the rx and tx are almost independent.


A. Dolinin, UA9LAK/UN7,. Baikonur


Figure 3


Audio Amplifier


Page 57




57 58 59 60



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Last Updated:

February 8, 2020 20:26

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