Category: Receiver front end

Revising the “Lean Design Transceiver”

  The “Lean Design Transceiver” has been a project to build a simplified but effective 100% analog SSB QRP transceiver with minimum effort. The radio worked fine but there is never anything that can not be improved. So, this transceiver, originally built in 2018, also has been scheduled for a revision. The problems were minor, …

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SSB Transceiver, 7MHz, 50 Watts, with Dual-DDS-System

In this paper we will discuss a single sideband amateur radio transmitter/receiver for the 40 meter band that has been designed to ensure  good performance characteristics with reasonable number of parts (no “overkill” in component use), particularly concerning the receiver. Circuit simplicity and over-average performance were to be combined. The background: Some years ago I…

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