The idea of this circuit found in a Radio Electronics from January 1966. The idea of the circuit is to improve the reception of audio signals, mainly telegraphy, working as a filter.
This ultra-simple test circuit is of great use in any electronics bench. The power is supplied by a...
This circuit was found in an Electronics World magazine from 1990. The circuit can be mounted...
This Pierce oscillator was found in American documentation from the 1980s. Transistors support modern...