This sensitive circuit was found in an Electronics Hobbyists Handbook from the 1990s. The circuit can use common general-purpose transistors in place of the original ones.
This circuit was found in a Motorola documentation from 1968. The load current is 10 A. The...
This circuit, from 1988 documentation, allows the use of 15 to 60 W dimmed lamps without the need...
Found in a 1967 Delco documentation, this circuit can deliver power from 40 to 50 W at 8-ohm load....