Answered: Find the phase margin for a voltage…

Find the phase margin for a voltage follower that is driving a 0.01 μF capacitive load. Assume the op amp has an open-loop gain of 100 dB, an fT of 1MHz, and an output resistance of 250 Ω.

Delmar's Standard Textbook Of Electricity

7th Edition

ISBN:9781337900348

Author:Stephen L. Herman

Publisher:Stephen L. Herman

Chapter18: Resistive-inductive Parallel Circuits

Section: Chapter Questions

Problem 13PP: In an R-L parallel circuit, IT=1.25 amps, R=1.2k, and XL=1k. Find IR

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Concept explainers

Operational Amplifier

An operational amplifier also called op amp is an integrated circuit or analog circuit that takes input as a differential voltage and produces output as a single-ended voltage. It is an IC that can amplify weak electric signals.An op amp has one output pin and two input pins. The basic role of an opamp is to amplify the voltage difference between the two input voltages. It is also used in filtering or to perform mathematical operations or in signal conditioning.

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Find the phase margin for a voltage follower that is driving a 0.01 μF capacitive load. Assume the op amp has an open-loop gain of 100 dB, an fT of 1MHz, and an output resistance of 250 Ω.

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