This circuit was found in an American 1980s documentation. The transistorized step is the receiver's last IF and the diode is the receiver's existing detector.
Using a CA3030, this circuit was found in the May 1988 Radio Electronics magazine. The power...
This circuit has already appeared on this site and in our articles. This version is from 1999. The...
This well-known two-transistor oscillator circuit was found in the April 1964 Radio Electronics magazine....