Virtual Ground

Analog and Mixed Signal (AMS) Design.
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Virtual Ground

Post by deepak.dhiman55 » Mon Apr 21, 2014 1:01 pm

What is Virtual Ground ? and why do we requires it when we have Ground terminal ?

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Re: Virtual Ground

Post by Narveer » Thu May 01, 2014 4:24 pm

In electronics, a virtual ground (or virtual earth) is a node of a circuit that is maintained at a steady reference potential, without being connected directly to the reference potential. In some cases the reference potential is considered to be that of the surface of the earth, and the reference node is called "ground" or "earth" as a consequence.
The virtual ground concept aids circuit analysis in operational amplifier and other circuits and provides useful practical circuit effects that would be difficult to achieve in other ways.

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