This high-power shield is isolated from the control. The circuit was found in the June 1995 Electronics Now magazine. The Triac must be equipped with a heat sink.
In the figure we show yet another CMOS component based voltage controlled oscillator circuit. The...
This 80's circuit uses an operational amplifier of the time. The circuit can be applied to modern...
This circuit, which uses only common transistors, was obtained from a 1988 publication, but can be...