This shield circuit with an optical coupler was found in an 90s EDN. The circuit can be used with voltages from 0 to 600 V with the indicated component values.
Similar to other circuits found in this section, this circuit is from a 1996 Electronics World;...
This circuit was suggested by Motorola's Linear Databook of 1990. The integrated circuit, uncommon...
We found this circuit in a 2005 Linear Technology manual. The circuit can operate directly on 3 V to 36 V...