Consider the inverting amplifier shown in Figure Q1c. Initially R₁=10 ks, R₂=1 MS2 and R3 is a short circuit (02). R₁ R₂ w R3 A • Vo Figure Qlc (i) If the op-amp has an input bias current of 100 nA and an input offset current of 10 nA, calculate the output voltage. [2] (ii) Evaluate the required value of R3 to cancel the effect of bias current at the output. [2] (ii) Calculate the new value of Vo. [2] Explain the need for decoupling capacitors and the importance of their placement. [4]
Consider the inverting amplifier shown in Figure Q1c. Initially R₁=10 ks, R₂=1 MS2 and R3 is a short circuit (02). R₁ R₂ w R3 A • Vo Figure Qlc (i) If the op-amp has an input bias current of 100 nA and an input offset current of 10 nA, calculate the output voltage. [2] (ii) Evaluate the required value of R3 to cancel the effect of bias current at the output. [2] (ii) Calculate the new value of Vo. [2] Explain the need for decoupling capacitors and the importance of their placement. [4]
Introductory Circuit Analysis (13th Edition)
13th Edition
ISBN:9780133923605
Author:Robert L. Boylestad
Publisher:Robert L. Boylestad
Chapter1: Introduction
Section: Chapter Questions
Problem 1P: Visit your local library (at school or home) and describe the extent to which it provides literature...
Related questions
Question
![Consider the inverting amplifier shown in Figure Q1c. Initially R₁=10 ks,
R₂=1 MS2 and R3 is a short circuit (02).
R₁
R₂
w
R3
A
• Vo
Figure Qlc
(i)
If the op-amp has an input bias current of 100 nA and an input offset
current of 10 nA, calculate the output voltage.
[2]
(ii)
Evaluate the required value of R3 to cancel the effect of bias current at
the output.
[2]
(ii)
Calculate the new value of Vo.
[2]
Explain the need for decoupling capacitors and the importance of their
placement.
[4]](/v2/_next/image?url=https%3A%2F%2Fcontent.bartleby.com%2Fqna-images%2Fquestion%2F655e5d67-ab19-404c-b883-3aa3c693f6a1%2F88b079ca-d057-4aa0-904d-819440eb8488%2F5z9y9o4_processed.jpeg&w=3840&q=75)
Transcribed Image Text:Consider the inverting amplifier shown in Figure Q1c. Initially R₁=10 ks,
R₂=1 MS2 and R3 is a short circuit (02).
R₁
R₂
w
R3
A
• Vo
Figure Qlc
(i)
If the op-amp has an input bias current of 100 nA and an input offset
current of 10 nA, calculate the output voltage.
[2]
(ii)
Evaluate the required value of R3 to cancel the effect of bias current at
the output.
[2]
(ii)
Calculate the new value of Vo.
[2]
Explain the need for decoupling capacitors and the importance of their
placement.
[4]
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