We found this circuit in a 1967 El3ectronics World. The transistors are from the era but can be replaced by current equivalents. The circuit is for 5 A loads.
This circuit was adapted from an Italian publication that no longer exists. This is “Onda Quadra”...
This circuit was obtained in an Electronic Engineering of the 90s. The operational amplifiers and...
The basic component of this circuit is a general-purpose SCR. The voltage is according to the...