This circuit cuts out ads between songs, based on the fact that the speech signal has small interruptions that can be detected. The circuit is from a Radio Electronics from April 1987.
We found this circuit in the 1982 SGS Linear Integrated Circuits manual. The L78xx is equivalent to 78xx...
We found this circuit in Radio Electronics magazine from October 1962. The article announced the...
This sequential relay actuation system circuit for traffic lights was found in Electronics Now...