This is a battery powered 3W power amplifier using germanium transistors. The circuit is from an English documentation from 1967. The transistors are from the time.
This 80's circuit can be used in media recovery. The integrated circuit is of the time, but modern...
We found this decoder in a 1966 General Electric publication. It makes use of general purpose...
This sophisticated sinusoidal audio signal generator uses a Wien bridge configuration with an...