The integrated circuit used in this circuit is from the time of publication. The circuit is from a Radio Electronics from October 1987. The triac must be equipped with a heat sink.
The 78XX series voltage regulator integrated circuits do not support an input voltage greater than...
With a 10 V input this circuit provides a 25 V output. The circuit is from December 1985 Radio...
Found in a 1966 General Electric documentation, this circuit controls an incandescent lamp from an...