Found in Electronics Engineering, this sophisticated circuit makes use of components that are still common today. The circuit is connected to the output of the stereo amplifier.
This circuit uses a switch to select the direction of rotation of a DC motor. It was found in the...
This direct-coupling three-transistor amplifier source some watts to a loudspeker when powered...
Rumble is a low-frequency oscillation that occurs in turntables due to variations in motor speed....