What is the necessary and sufficient condition for a second order fil – McqOptions

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1.	What is the necessary and sufficient condition for a second order filter that no zero-input overflow limit cycles occur?
A.	\|a1\|+\|a2\|=1
B.	\|a1\|+\|a2\|>1
C.	\|a1\|+\|a2\|<1
D.	None of the mentioned
Answer» D. None of the mentioned

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