Two transistors on a regenerative switch are used to trigger a triac. This circuit is from the RCA Power Circuits manual. Transistors admit equivalents.
This ttransistor test was found in a 1987 documentation. It is a simple oscillator that allows to...
This circuit was found in documentation from the 90s. Its purpose is to dial a programmed number...
We found this amplifier with high input impedance and low capacitance, using FET, in a...