General Electric suggests this circuit in an 80's documentation. The circuit makes use of PUTs that are not common components today. Note the timing components that may change.
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....