R2 R1
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
Related questions
Question
R1 = 22 kohm and R2 = 220 kohm in the amplifier
circuit as shown. (a) What is the output
voltage if vi = 0? (b) What is the output voltage
if a dc signal VI = 0.22 V is applied to the circuit?
(c) What is the output voltage if an ac signal
vI = 0.15 sin 2500 πt V is applied to the circuit?
(d) What is the output voltage if the input signal is
vI = 0.22 − 0.15 sin 2500 πt V? (e) What is the
input current iI for parts (b), (c), and (d). (f) What is
the op amp output current iO for the input signals in
parts (b), (c), and (d)? (g) What is the voltage at the
inverting input of the op amp for the input signal in
part (d)?
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