This Star Trek red alert circuit was found in the July 1990 issue of Radio Electronics magazine. The power transistor must be equipped with a heat sink.
This precision circuit was suggested by General Electric in 1980s documentation. The circuit can be...
This circuit was obtained in a 1979 101 Electronics Projects. The circuit can be assembled easily,...
Originally, this circuit is from an English magazine, but I found it in Argentina's Radio Chassis...