The circuit selected is from the 1960 Mullard transistor reference manual. The circuit is powered by a single 1.3 V battery and the transistors are germanium.
Found in a 90s Electronic Design, this circuit can provide a relatively high-power output. The basic...
This circuit was found in an American 1980s documentation. It makes use of an unusual MOSFET today...
In fact, this dimmer can be used with currents up to 1.5 A according to the General Electric...