R₁ ww R3 120 w RA + R₂ ww + vo

Delmar's Standard Textbook Of Electricity
7th Edition
ISBN:9781337900348
Author:Stephen L. Herman
Publisher:Stephen L. Herman
Chapter20: Capacitance In Ac Circuits
Section: Chapter Questions
Problem 1PP: Capacitive Circuits Fill in all the missing values. Refer to the formulas that follow....
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1. For the difference amplifier below, R1=R3=10K, R2=R4=50k, assume opamp is ideal
a) Find the differential mode gain, Adm
b) Find the input impedance (differential, between wi and va)
c) Find the common mode gain in the presence of resistor mismatch (If R3=R1+ deltaR1, R4=R2+ deltaR2, deltaR1=100, deltaR2=500)
d) Find the common mode rejection ratio (CMRR)
e) Find the input impedance and output impedance
f) If the OPAMP has an input current of 100uA, find the output offset voltage, set Vi1 = Vi2=0V

R₁
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120
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Transcribed Image Text:R₁ ww R3 120 w RA + R₂ ww + vo
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