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Electronics and Communication Engineering - Analog Electronics - Discussion

Discussion Forum : Analog Electronics - Section 4 (Q.No. 28)
Analog Electronics
28.
An op-amp has
low input and output impedance
low input impedance and high output impedance
low output impedance and high input impedance
high output impedance and high input impedance
Answer: Option
Explanation:

High input impedance ensures minimum loading of source. Low output impedance is required for impedance matching at output.

Discussion:
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