This 1967 Raytheon circuit uses a Raystor, an optical coupler with a lamp and an LDR. The circuit can be adapted to use another type of coupler.
The circuit presented is a 10 MHz oscillator with crystal, which already has several splitters for...
We found this circuit in the August 1994 Electronics Now magazine. The circuit is based on the...
This circuit was obtained in a 1982 Maplin magazine. The circuit can be applied to equivalent power...