This circuit was originally intended for reading movie soundtracks. The circuit is from 1967 and was found in an English publication. The sensor is semiconductor type.
The circuit shown in the figure consists of a phase shift oscillator and its components have been...
Powered by voltages from 6 to 12 V, this circuit from a Popular Electronics from the 90s,...
This circuit is nothing more than a voltage quadruplicator that can generate close to 1 000 V from...