Discussion :: Analog Electronics
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An op-amp has
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A.
low input and output impedance
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B.
low input impedance and high output impedance
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C.
low output impedance and high input impedance
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D.
high output impedance and high input impedance
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Answer : Option C
Explanation :
High input impedance ensures minimum loading of source. Low output impedance is required for impedance matching at output.
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