Found in American documentation from the 1970s, this circuit can be designed based on a modern SCR, such as the TIC106. The SCR must be provided with a heat sink.
In the figure we have the simple way to obtain a digital inverter using a general-purpose...
This circuit works with only 1.5 V and can be powered by a solar panel. The circuit is from 1991....
This circuit was found in a 1969 EEE. The circuit uses transistors from the era that can be...