We find this circuit in an American 80's documentation. No further information about the transformer is given. The circuit serves as a reference for any repair work.
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...