This shield circuit, from a documentation from the 70s, employs an optocoupler with two SCRs to control a small load of 1.5 W.
This circuit is from a 70s Burr Brown documentation. The components are from the time and the...
This circuit that appears in similar versions on this site was found in a Popular Electronics from the...
We found this logical configuration in a documentation from the 1970s. It consists of a...