This circuit was found in a 1967 General Electric manual. It shows a SCR control with unijunction and zener diode. The triac depends on the controlled load.
This circuit has already been explored in other articles on this site. It shows how we can use two...
This small control for DC motors up to approximately 1 A uses an operational amplifier that admits...
As in the previous case (CB5045E), we have in the circuit of the figure the use of the polarized...