This circuit is from 1967 General Electric documentation. It uses SUS which are not very common components today. The maximum frequency should not exceed a few kilohertz.
This circuit can be used in a power grid remote control project with the coil according to the...
This circuit is from a technical manual of the 80's. The operational ones are of the time like the...
This circuit was adapted from an Italian publication that no longer exists. This is “Onda Quadra”...