With a mains-rated transformer and 1:1 winding this benchtop circuit was found in the January 1995 issue of Electronics Now magazine.
This circuit uses an optical coupler called Raystor created by Raytheon in the 1960s. The circuit...
This circuit using current components was found in an old documentation. It is a sequential circuit...
We found this circuit in an Argentine publication from the 1970s. The circuit can be used to...