Perfectly Balanced
Noise-free volume control for Hifi amplifiers
Decent potentiometers for setting the volume in amplifiers are still quite expensive. However, there is a cheaper alternative, and it’s better too! The PGA2311 made by Texas Instruments can be used to make an almost perfect volume control. A simple circuit using an 8-pin Freescale microcontroller and a linear potentiometer are all you need to control this IC.
(070670-IND1204P116)
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Elektor is Europe's leading magazine / electronic projects & kits player. The magazine is published worldwide through subscription, news stands and bookshops. The aim of Elektor is to supply innovative information to professionals looking for education, entertainment and inspiration in the field of electronics, both within and beyond their professional activities.
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