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To increase the input resistance, the differential amplifier replaces transistor by

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in Linear Integrated Circuits by (37.1k points)
To increase the input resistance, the differential amplifier replaces transistor by

(a) Current mirror

(b) Current repeater

(c) Darlington pair

(d) All of the mentioned

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This is a very interesting question from Operational Amplifier Internal Circuit in division Operational Amplifier of Linear Integrated Circuits

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Accurate choice is (c) Darlington pair

Explore the finest explanation: Higher value of input resistance can be obtained by using Darlington pair in place of transistor.

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