This circuit supplies currents from 100 mA to 2 A per R. The circuit is from a 90s American documentation. The components used are common today.
This simple 1 transistor circuit was found in an American documentation from the 60's. The...
Found in a magazine 73 for radio amateurs, this circuit makes use of general purpose transistors and...
The presented circuit allows to control the valve of a tap. The positioning of the emitter and the...