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What is the common mode rejection ratio of an operational amplifier which has common mode gain=0.6 and differential gain=1000?

What is the common mode rejection ratio of an operational amplifier which has common mode gain=0.6 and differential gain=1000? Correct Answer 1666.66

GiveCommon mode gain=0.6 Differential gain=1000 Common mode rejection ratio(CMRR)=differential gain(Ad) / common mode gain(Ac) Ad/Ac=1666.66.

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