This circuit is from a Radio Electronics from August 1992. The transistor used allows the control of motors up to about 5 A. It must be equipped with a heat sink.
This circuit was found in an old documentation for radio amateurs. The circuit makes use of an...
When S1 is closed, the L1 lamp turns on and the L2 lamp turns off. The circuit is powered...
The presented circuit was found in the National Semiconductor's Linear Applications Handbook from...