If for an amplifier v1 and v2 are the input signals, vc and vd represe – McqOptions

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1.	If for an amplifier v1 and v2 are the input signals, vc and vd represent the common mode and differential signals respectively, then the expression for CMRR (Common Mode Rejection Ratio) is
A.	20 log (\|Ad\| / \|Ac\|)
B.	-10 log (\|Ac\| / \|Ad\|)2
C.	20 log (v2 – v1 / 0.5(v2 + v1))
D.	All of the mentioned
Answer» E.

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