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which factor makes the differentiator circuit...

which factor makes the differentiator circuit unstable?

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asked Jan 15 in Linear Integrated Circuits by Julian (38.2k points)

which factor makes the differentiator circuit unstable?

(a) Output impedance

(b) Input voltage

(c) Noise

(d) Gain

This question was posed to me during an interview.

My query is from Differentiator in section Operational Amplifier Applications of Linear Integrated Circuits

linear integrated circuits
operational amplifier applications
differentiator

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1 Answer

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answered Mar 16 by Chris (39.8k points)

The correct answer is (d) Gain

Unlock profound understanding with: The gain of the differentiator circuit (RF / XC1) increases with increase in frequency at a rate of 20dB/decade. This makes the circuit unstable.

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