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.
This circuit can be used for signaling a panel with a common incandescent lamp. The lamp will...
The MOS field effect transistors of this circuit are not very common, as it is a project from the...
This circuit causes a sequence of LEDs to run so fast that our eyes cannot detect the change. The...