Virtual Labs

An IIR filter having numerator order M and denominator order N is to be realized using direct form II structure. How much total number of multiplications, additions and memory locations are required respectively ?

a: M + N, M + N and M + N Explanation

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b: M + N, M + N and maximum of {M, N} Explanation

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c: M + N + 1, M + N + 1 and M + N Explanation

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d: M + N + 1, M + N and maximum of {M, N} Explanation

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What is the duration of the unit sample response of a digital filter?

a: Finite Explanation

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b: Infinite Explanation

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c: Impulse(very small) Explanation

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d: Zero Explanation

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Which of the following methods are used to convert analog filter into digital filter?

a: Approximation of Derivatives Explanation

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b: Bilinear transformation Explanation

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c: Impulse invariance Explanation

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d: All of the mentioned Explanation

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Which of the following is a representation of system function?

a: Normal system function Explanation

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b: Laplace transform Explanation

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c: Rational system function Explanation

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d: All of the mentioned Explanation

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For an analog LTI system to be stable, where should the poles of system function H(s) lie?

a: Right half of s-plane Explanation

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b: Left half of s-plane Explanation

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c: On the imaginary axis Explanation

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d: At origin Explanation

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If the conversion technique is to be effective, then the LHP of s-plane should be mapped into _____________

a: Outside of unit circle Explanation

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b: Unit circle Explanation

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c: Inside unit circle Explanation

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d: Does not matter Explanation

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