An op-amp has a single-pole open loop response with the dc


An op-amp has a single-pole, open loop response with the dc open loop gain of A0=20,000 and the pole frequency at fp=40 Hz.

A. If this amplifier is connected as a non-inverting amplifier configuration with the closed loop gain of 50, find the frequency at which the loop gain |Aß|=1, find the phase margin.


B. If the above amplifier is wired as a unity gain buffer configuration, what will then be the frequency at which the loop gain |Aß|=1?

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Electrical Engineering: An op-amp has a single-pole open loop response with the dc
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