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connecting diff i/p o/p common mode opamps together

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Usman Hai

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Is it possible to have different input and output common mode of an opamp? Which I know is possible, then how to connect the same opmps in pipelined fashion? Do we have to do some level shiting? and how? As i am thinking to design a gain boosted telescopic opamp but then there input and output common modes will not be the same.
What are the usual practices in this case?
 

JoannesPaulus

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What about ac coupling? The capacitor will do the level-shifting for you.
 

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