Recommended for automotive applications, this circuit was found in an April 1982 Radio Electronics magazine. The transistor supports equivalents. Sensitivity adjustment is made by R1.
This circuit was used to reinforce radio signals for listening on the phone, making it possible to listen...
This synthesizer circuit was found in a Radio Electronics magazine from May 1983. The circuit uses...
The circuit that gave rise to this configuration was found in a magazine of the 1980s with the...