This circuit turns off when switch S1 is opened. The circuit is from the 1989 Radio Electronics Experimenter edition; The triac must be controlled according to the load.
This resistive load circuit for source testing was found in a 1991 publication. Power transistors must be...
No information is given about the transformers in this circuit suggested by Motorola in a 1968...
This circuit was obtained from the February 1990 issue of Radio Electronics magazine. The circuit...