Found in an American documentation from the 90's, this circuit aims to light a neon lamp with voltages from 5 to 15 V. It is a small inverter that operates close to 15 kHz.
This sensitive circuit was found in the August 1971 issue of Radio Electronics magazine. The SCR...
Suggested by General Electric, this circuit with triac is able to reverse the rotation of a motor...
This circuit applies to an old dial phone by detecting light pulses in the dial. The circuit is...