This circuit uses an optical coupler called Raystor created by Raytheon in the 1960s. The circuit uses components from the era that can be changed. The current is low.
Suggested by Sprague in the 1980s documentation, this circuit can control three-phase AC motors....
This passive circuit was found in the March 1995 issue of Elexctonics Now magazine. The circuit is for...
Three of the four gates found in a 4001 can be used to perform as an AND gate. This improvisation...