This circuit allows control of loads of up to 1 A with voltages from 3 to 15 V. The transistor must be equipped with a heat sink and the power supply must not be of the type without a transformer.
This simple circuit is from a Radio Electronics from July 1965. The circuit can be assembled with...
Found in the May 1975 issue of Radio Electronics magazine, this circuit turns on after a certain...
We found this circuit in a 1965 General Electric documentation. The circuit generates synchronized...