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 6-transistor Japanese radio from the 1960s used germanium transistors and had an output power...
The circuit presented is from a 1972 RCA technical documentation. The integrated circuit consists of a...
This is the name given to this small MW transmitter that can function as a wireless microphone. The...