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.
The circuit shown is from 1997 Linear Technology Applications. The components used were common at the...
In the figure we have the way to use a TTL 7413 port as a low frequency oscillator making an LED...
This 3-channel configuration was found in a 1982 Selezione Radio magazine. The publication no...