This dimmer for incandescent lamps was obtained from an American 1990s documentation. The circuit accepts triac-like loads that can be virtually any type. Triac must be fitted with a heat sink.
For the 7 to 10 MHz band L1 is formed by 3 turns of 22 to 28 AWG wire in a ferrite core 15 to 20...
This two transistor audio amplifier stage was found in a publication of the year 1968. The...
In the figure we have two circuits of limiters that provide the cut of the negative peaks of a...