Building Sovina 40M Class E CW Transmitter with BS170 MOSFETs

The Sovina 40m Class-E CW Transmitter is a compact and highly efficient HF transmitter designed specifically for amateur radio operators who enjoy homebrew QRP equipment. This circuit is based on the original work by PY2OHH (Roberto S. Soria) and has become popular due to its simplicity, excellent efficiency, and clean RF output. This CW Transmitter is particularly noted for its reliability and performance.

Building Sovina 40M Class E CW Transmitter with BS170 MOSFETs

ATS Mini Firmware Now Supports LILYGO T-Embed SI4732

ATS Mini Firmware Now Supports LILYGO T-Embed SI4732: ATS Mini firmware v2.34 now includes experimental support for the LILYGO T-Embed SI4732 receiver. Here is what the hardware does, how ATS Mini firmware works,