This circuit was found in General Electric documentation from 1966. The circuit is suitable for any triac. It can also operate with other mains voltages.
From an old manual of unijunction transistors, this oscillator generates different tones when the...
A negative floating regulator capable of supplying an output voltage of -100 V with regulation of 20 mV for...
Found in a Hands On Electronics of the 80s, this circuit makes use of a gas sensor of the time....