Demystifying Op Amp Power Supplies: Split, Single & Virtual Grounds

Alan Wolke has made a fantastic video on the basics of op amp power supplies. He particularly explains how and why split power supplies came to be used, with a neat experimental setup that beautifully demonstrates how it works.

Negative power supplies are always a difficult and arcane concept to get your head around. This video will save a shed load of textbooks and head scratching. Well worth the 15mins or so that the video lasts.

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