Electronic Devices - Operational Amplifiers - Discussion

Discussion Forum : Operational Amplifiers - General Questions (Q.No. 19)
19.

Refer to this figure. The purpose of R4 is

for bias current compensation.
for input offset voltage compensation.
to set input impedance.
to set input impedance and voltage gain.
Answer: Option
Explanation:
No answer description is available. Let's discuss.
Discussion:
1 comments Page 1 of 1.

Mayu said:   7 years ago
Please explain it.

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