This circuit for powers up to 240 W was found in a 1967 RCA SCR manual. The SCR must be in accordance with the controlled load.
This is an improvement on the previous circuit with a preamplification stage. The circuit is from...
This circuit was found in a Texas Instruments handbook about operational amplifier. It has a very...
This circuit was found in an American publication from 1965. The circuit uses components from that...