This old configuration of an audio amplifier has a push-pull two-transistor output stage. Output power is low and the critical components are the transformers. The circuit was found in an 1958’s publication.
This circuit was found in a PE Hobbyst Handbook of 1989. It uses a black light fluorescent of the time....
What is a dual frequency generator for? There are several possibilities of use for this circuit. The...
The project presented in a 2009 documentation is intended for radio amateurs operating in the...