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.
April 2017 - New Texas Instruments DRV8x brush motor drivers for 1.7 to 8 A currents and voltages...
This circuit was found in a technical documentation from the 90's. The transistors can be...
This circuit was found in American documentation from the 90's. The circuit applies to any...