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Physically realizable and stable IIR filters cannot have linear phase.

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in Digital Signal Processing by (829k points)
Physically realizable and stable IIR filters cannot have linear phase.

(a) True

(b) False

I had been asked this question in an internship interview.

The above asked question is from Design of IIR Filters from Analog Filters in division Digital Filters Design of Digital Signal Processing

1 Answer

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Best answer
Correct choice is (a) True

Best explanation: If an IIR filter is stable and if it can be physically realizable, then the filter cannot have linear phase.

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