We found this circuit in the 1983 Radio Electronics Special projects magazine. The components are common, and the circuit drives a relay. The power supply must be isolated.
S-meter is a signal strength meter used in radio transmission. Also known as Strength meter, in this...
This distortion circuit or robot voice was found in a documentation from the year 2000. The...
The amplifier presented is ideal for use in small monophonic sound systems, radios or televisions powered...