Hex Buffer, MOSFETs Build A High-Power, Lossless, Virtual Ground (.PDF Download)

A virtual ground is useful whenever you need to create a bipolar supply but the dc source is unipolar, as is often the case with battery-operated equipment. Sometimes, the solution is as easy as using a high-ohm resistive divider to provide a mid-supply potential. But if the ground impedance needs to be...

 

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