Wolf 7″ amplifier in the thermal camera
No active cooling. Also there are no feedback circuits on both stages and untuned bias on the second.
No active cooling. Also there are no feedback circuits on both stages and untuned bias on the second.
For qrz.com
Plus couple photos.
Video in russian language
Simplest SDR receiver with network connection.
Noise floor without electricity
Checking with the thermal camera
https://aliexpress.ru/item/1005006114325611.html Maximum output with 30v input voltage on HF band — 1.369 watts: More input power — failed output: It hasn’t any
80-40-20m measurement
Received more boards from JLCPCB.