This is one of the many 7400 oscillators we have in our circuit bank. It is crystal controlled and must be powered with a voltage of 5 V.
This circuit with JFET was obtained in a book on FETs of 1989. The circuit is still current since...
We found this amplifier in the Philips Databook of 1990. The stereo circuit has power that reaches 6...
This is a classic FM amplifier IF amplification stage configuration. The circuit is from a 1980s...