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Measuring Common Mode Gain

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ccw27

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How do I measure Common Mode Gain using AC analysis with the setup shown? Do I just put AC=1V for Vic and measure the response at Voc?

Thanks
 

Hi ccw27


Verry interesting question!!

In my opinion Common mode gain is a large signal parameter (DC), not a small signal (AC) parameter.

It may be concluded that AC analissys is not relevant for Common mode gain calculation, but maybe I'm wrong.

Any other Opinions??!
Please respond!!
 

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