Lecture 17(1): Eliminating the RHP zero: Using a zero-cancelling series resistor

This lecture derives one way to eliminate the RHP zero in a two-stage Miller compensated OTA. The technique comes about naturally when one tries to satisfy KCL at the output (assuming output in the Laplace domain to be zero), for s tending to infinity. This series resistor introduces a new pole! Where is this pole located? Will this affect the stability? The lecture qualitatively answers these.

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MVLSI, EE, IIT Kanpur