Sputnik Regenerative Receiver - SSB, CW, AM, FM
The Sputnik Regenerative Receiver ( vers. 2025 ) was designed for the 40m amateur radio band, the perfect project for beginners in homebrew radio receivers. It can be modified for other HF amateur radio bands. Tested with good results so far on 80m, 40m and the 20m band. You also have images with the details for the RF coil. For L3 ( freq. counter ) it seems that 3-4 turns in any of the RF coil versions you decide to build, it works fine. For some frequency counters you may need to build a preamp. You will have to provide the external hardware. PCB Way will not provide these on the assembled version. More details in the Blog Article.
PVC RF COIL VERSION

TOROID RF COIL VERSION ( T50-2 )

Sputnik Regenerative Receiver - SSB, CW, AM, FM
*PCBWay community is a sharing platform. We are not responsible for any design issues and parameter issues (board thickness, surface finish, etc.) you choose.
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DX EXPLORER
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