This receiver of two transistors for the 3.5 MHz band was found in a circuit manual from the 80's. The coil data are found next to the diagram and the transistors can be general purpose PNP.
This circuit was obtained in an English magazine from 1978. We can easily assemble it because all...
The dual operational used in this sound effect that separates the signal into two tracks is not...
Suggested by General Electric in 1965 documentation this circuit is intended for the 120 Vac...