Linear settling time tadBβωωτ131=−=Folded cascade OPAMP LmtaCg1=ωCurrent Mirror OPAMP LmtaCkg1=ωFully differential OPAMPsdifferential-in differential-out →Use symmetry to reject substrate noise (unwanted coupling) because transistors are non-linear (junction capacitances vs. voltage) ⇒Noise injection depends on voltage levels ⇒You cannot reject noise 100% + _ inV. . noise⇒Noise injection depends on input signal
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