Please common mode gain of an op-amp.

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1)Please common mode gain of an Op-amp. What is the ideal value of a common mode gain should be? Explain your answer. Just give us the basic understanding by defining common mode configuration.

2)find some more information on signal source impedance and it's effect on amplifier. I also don't think signal source has any impact on amplifier gain.

Just a few sentences are needed for each question.

 

 

Reference no: EM13969711

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