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.
January 2017 - Now available on Mouser Electronics, Texas Instruments' new LDC2114EVM Evaluation Module...
This circuit is from a 1967 publication. The configuration holds true for modern transistors having...
We found this electronic canary circuit in a 1991 documentation. The circuit has an effect program...