This circuit was found in a 1966’s American publication. What it does is to receive a pulse and keep it for intervals of up to 1 minute at the output.
This blocking oscillator circuit was found in a book by Rufus Turner from 1954. The circuit uses...
This TTL circuit was found in the February 1973 issue of Radio Electronics magazine. The power...
When triggered, this circuit causes a lamp to automatically reduce its brightness until it goes...