Which of the following is the characteristic equation of a Chebyshev f – McqOptions

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1.	Which of the following is the characteristic equation of a Chebyshev filter?
A.	1+ <sup>2</sup>T<sub>N</sub><sup>2</sup>(s/j)=0
B.	1- <sup>2</sup>T<sub>N</sub><sup>2</sup>(s/j)=0
C.	1+ T<sub>N</sub><sup>2</sup>(s/j)=0
D.	None of the mentioned
Answer» B. 1- <sup>2</sup>T<sub>N</sub><sup>2</sup>(s/j)=0

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