This circuit is from a 1924 book by Gernsback. The receiver uses two tubes and listens to headphones. Power is supplied by battery with the indicated voltages.
Molex discrete wiring and cabling solutions with applications in consumer electronics, commercial...
This circuit consists in a full-wave bridge rectifier or Graetz Bridge as its is also called. The...
This circuit is used to convert audio signals from na amplifier into infrared modulated signals....