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.
This circuit draws one of the three possible guesses of a sports lottery logo: column 1, 2 or the...
We found this circuit in recent English documentation. The frequency is adjusted by the core of...
This circuit allows modulating a laser diode with low frequency signals. The integrated circuit...