This circuit was obtained from an American 80's documentation. The balanced mixer can be shown in CB4234. The circuit is for controlling RF signals in a modulation system.
This circuit can be powered by 2 or 3 small batteries. The resistor can have values between 220...
More and more supercapacitors are being used as supplementary sources of energy in several...
This circuit for ceramic cartridges was found in the March 1993 issue of Electronics Now magazine. Q1...