The circuit is from 1980s Linear Technology documentation. The components are of the time and circuit behavior curve is given along the diagram.
Found in American documentation from the 1990s, this circuit receives modulated infrared signals. The...
This preamp was found in an old English publication. Any usage JFET can be employed. The output is high...
Intended for use with signals from tape recorder pickups, this circuit was found in the December 1972...