This frequency triple oscillator circuit was found in an American publication in 1967. The FET is current and more detailed information about the coils is not given.
This circuit was sent by our longtime collaborator, Adriano Muniz Moura – Pirapora-MG. The...
This circuit was obtained from documentation from the 90s. The solution that can be found...
This transistor tester circuit is a little more sophisticated than the previous two (CB18918E and...