GATE EE 2016 Set 2 — Question 12
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Analog & Digital Electronics → Operational Amplifiers → Active Filters (Sallen-Key)
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Question
The circuit shown below is an example of a
Correct answer
(A) low pass filter.
Solution
The given circuit is an inverting amplifier configuration. The transfer function is .
This is the standard form of a first-order low-pass filter transfer function, where the DC gain is and the cutoff frequency is .
This is the standard form of a first-order low-pass filter transfer function, where the DC gain is and the cutoff frequency is .
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