We found this circuit for vocal effects in the September 1990 issue of Radio Electronics magazine. The circuit works with signals from two inputs of a stereo system.
This old circuit is from the era of analog televisions, serving for technicians to make...
This circuit was found in a Radio Electronics from April 1990. The circuit has 5 equalization...
Passaje Alarm This locking circuit was found in a 1988 publication. It locks a relay when the...