This circuit could be used for replacing your manual volume control in a stereo amplifier. In this circuit, push-to-on switch SW1 controls the forward (volume increase) operation of both channels ...

The circuit was designed to build a volume control that is operated digitally on an audio preamplifier circuit. The design of the circuit comprises of three parts. The first circuit contains a control ...

When Nokia announced their music player capable phones they neglected to mention the lack of support for external headphones. Since the release of the 6230 and its related family with mp3/aac playback ...