Found in an article in the August 1971 Radio Electronics magazine, this circuit supports 106 series SCRs and general-purpose transistors such as the BC.
This circuit was found in a 2005 Linear Technology documentation. The circuit is based on LTC4213...
This circuit with the NE602 was found in the February 1997 Electronics Now magazine. The NE602...
At that time, practical ideas were interesting, and many can still be used today. In the figure we can...