This trigger uses two switching transistors that can still be found with some ease. The circuit is from an old documentation and its purpose is to speed up the switching of logic circuits.
In this application, from English documentation, we have the way to activate an AC load up to 10 W...
This benchtop AC and DC power source was published in the December 1957 Radio Electronics...
The circuit presented is from the Motorola Linear Databook of 1990. The integrated circuit is a...