a. Assuming it's an ideal op amp, derive the circuit’s transfer function as a function of frequency, H(jw). Make sure it in canonical form. b. We want a DC gain of 40dB. If the op amp has value of Rin = 10MΩ and Rout = 50Ω, choose appropriate values for R1 and R2. Explain why your selected values of R1 and R2 allow you to ignore Rin and Rout for the remainder of the problem. c. If L = 1H, sketch the straight-line approximation of the Bode plot for the circuit’s gain assuming the op amp can still be considered as ideal. d. The op amp you select turns out to be non-ideal, and it has a real pole at wC = 1krad/s. Write the updated transfer function for your circuit (using your values of R1, R2, and L = 1H). Make it in the canonical form. e. Sketch the straight-line approximation of the Bode plot for the circuit with your updated transfer function

Delmar's Standard Textbook Of Electricity
7th Edition
ISBN:9781337900348
Author:Stephen L. Herman
Publisher:Stephen L. Herman
Chapter16: Inductance In Ac Circuits
Section: Chapter Questions
Problem 2PP: What frequency must be applied to a 33-mH inductor to produce an inductive reactance of 99.526 ?
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Consider the active circuit with the schematic:

 

(ONLY ANSWER C-E)

a. Assuming it's an ideal op amp, derive the circuit’s transfer function as a function of frequency, H(jw). Make sure it in canonical form.

b. We want a DC gain of 40dB. If the op amp has value of Rin = 10MΩ and Rout = 50Ω, choose appropriate values for R1 and R2. Explain why your selected values of R1 and R2 allow you to ignore Rin and Rout for the remainder of the problem.

c. If L = 1H, sketch the straight-line approximation of the Bode plot for the circuit’s gain assuming the op amp can still be considered as ideal.

d. The op amp you select turns out to be non-ideal, and it has a real pole at wC = 1krad/s. Write the updated transfer function for your circuit (using your values of R1, R2, and L = 1H). Make it in the canonical form.

e. Sketch the straight-line approximation of the Bode plot for the circuit with your updated transfer function from D.

120dB
100dB
80dB
60dB
40dB
20dB
OdB
-20dB
-40dB
10¹
10²2
10³
104
105
106
107
108
Transcribed Image Text:120dB 100dB 80dB 60dB 40dB 20dB OdB -20dB -40dB 10¹ 10²2 10³ 104 105 106 107 108
Vin
R₁
ww
ell m
R₂
+
10kQ
L
Vout
Transcribed Image Text:Vin R₁ ww ell m R₂ + 10kQ L Vout
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