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.
Found in the March 1992 Radio Electronics magazine, this circuit has two supply voltages. The...
This transmitter, indicated for espionage applications, is permanently powered by the power grid....
This oscillator or clock generator generates rectangular signals and frequencies up to 100 kHz....