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.
In the figure we have a simple way to have a peak bargraph indicator. The amplifier is of the...
This amplifier of some watts with transistors in complementary symmetry NPN is from a Japanese...
This speed control for motors up to 500 mA was obtained in an old European documentation, but it...