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ECE · Q256

Signal Processing

Engineering and GATE · ECE · question 256

Q256

The Butterworth filter of order n is described by the magnitude squared of its frequency response given by | H_n ( j ) |^2 = 1 [ 1 + ( _\,C )^2n ]. The value of 20 | H_n ( j ) | at = _\,C is

The Butterworth filter of order n is described by the magnitude squared of its frequency response given by      The value of   at  is
A.
-2 dB
B.
-3.01 dB
Answer
C.
-3 dB
D.
-3.5 dB

Answer: Option B

Solution

Answer: Option B
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