General Electric suggests this circuit in a 1980s documentation. The operational of the time is FET-type input. Modern equivalents may be used.
This low-frequency sine wave oscillator was found in the December 1995 issue of Electronics Now...
This circuit breaker uses an electromechanical device to open a circuit when current increases. The foot...
This is the traditional configuration of na Astable Multivibrator using two NPN ttransistor....