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.
We found this universal preamplifier circuit in a March 1994 Electronics Now. It has several types...
This test instrument was found in the April 1991 issue of Radio Electronics magazine. The circuit has...
This voltage regulator for automotive use was found in a Radio Electronics from the 80s. The Q3...