The purpose of this circuit is to improve a trigger circuit using a zener diode. The circuit was found in an American documentation from 1964. It can be improved using equivalent modern components.
This circuit uses an unusual electromechanical component: a mechanical blade resonator. The...
This circuit from a Japanese publication in 1968 uses germanium transistors from the time like the...
Found in a 90s Electronic Design, this circuit can provide a relatively high-power output. The basic...