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.
The figure shows how to connect a 7400 to obtain a bistable configuration. The circuit must be...
We found this circuit in an old English documentation from the 70s. The transistor can be a modern...
The purpose of the practical circuit shown in the figure is to generate a pulse of programmed...