This circuit, found in a 1964 US documentation, consists of a selective amplifier that lets only 10 Hz pass around a 400 Hz center frequency with the indicated components.
This LC circuit oscillator was found in the July 1993 issue of Electronics Now magazine. The...
This circuit is from the Philips integrated circuits manual of 1990. It is intended for magnetic...
The frequency of the signal produced by this oscillator depends on the amount of light falling...