In the figure we have 3 oscillators with logic gates that can be triggered by external logic signals. The circuits were found in the Radio Electronics magazine of April 1987.
These circuits prevent bouncing in alarm systems. The circuit indicated is for sensors connected in...
This circuit was found in an 80's Electronic Design. It amplifies TTL fast signals for a coaxial...
This circuit was obtained from the December 1990 issue of Radio Electronics magazine. The circuit...