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how to characterizi fully differential opamp

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avinash

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please tell me how to calculate gain,phase margin,UGB,CMRR,PSRR,o/p swing of a fully differential opamp.
thanks in advance.
 

The gain double single output .
 

check out the razavi's and john/allan's cmos books
 

one way is

connect the two differential outputs to the inputs of a vcvs with gain of 1. ground the negative output of the vcvs, then from the positive output of the vcvs u can see the differential performance
 

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