99 k2 10.1 k2 U2 9.9 k2 101 k2
Electricity for Refrigeration, Heating, and Air Conditioning (MindTap Course List)
10th Edition
ISBN:9781337399128
Author:Russell E. Smith
Publisher:Russell E. Smith
Chapter17: Commercial And Industrial Air-conditioning Control Systems
Section: Chapter Questions
Problem 22RQ
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Question
The op amp in the amplifier circuit shown is ideal and
v1 = (10sin120πt +0.25sin5000πt) V
v2 = (10sin120πt −0.25sin5000πt) V
(a) What are the differential-mode and common mode in put voltages to this amplifier? (b) Whatare the differential-mode and common-mode gains of this amplifier? (c) What is the common-mode rejection ratio of this amplifier? (d) Find vo.
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