This circuit was found in the July 1969 Radio Electronics magazine. The circuit controls resistive loads and universal motors with power according to the SCR used.
Found in old American documentation, this circuit demodulates signals from 1 kHz to 10 kHz for...
This simple circuit is a continuity test that, in addition to testing resistors, can also test...
This circuit was obtained from an English magazine from 1985. It consists of a pulser that drives...