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Gain Boosting folded cascode op amp!

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chandra3789

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frnds

we all know that gain boosting technique enhances the gain without affecting the frequency response.But gain boosting gives rise to two doublets one due to each auxiliary amplifier.Thier frequency also affects the settling time.......
also fast doublets will not affect the performance much if proper design is made according to Bult and Gleen.......

but while simulating i am getting complex conjugate doublets instead of real poles.......
now my question is whether the same principle applies to these poles also or only for real poles?
plz tell me.....its a great help ......
 

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