This 8 W amplifier with germanium transistors was found in a Japanese documentation from 1967. The circuit is of the commercial type and is powered by two 12 V batteries or by a symmetrical source.
Found in an American documentation, this regulator supplies a current according to the integrated...
This interesting transformerless class B output stage was found in a patent registration published in...
This receiver can be used with the CB18723E transmitter or other modulated infrared transmitters in this...