This trigger circuit is from 80s documentation. Transistors support equivalents and capacitors depend on the type of trigger signal.
I found this circuit in a documentation about thyristors from the 70s. The circuit uses a diac...
This circuit triggers by choosing the higher of two voltages. The circuit is from a 1964...
The integrated circuit used in this 80's mixer is the LM301A. However the circuit can be used to...