Found in the April 1995 issue of Electronics Now, this circuit operates at a lower frequency than conventional ones. The output current is very low.
The circuit presented is a game based on an integrated TTL of type 7473. In the figure we have a...
This simple timer with unijunction transistor was found in an old American technical...
This simple oscillator with a photocell was found in a Radio Electronics from January 1965. The...