What is the lowest order of the Butterworth filter with a pass band ga – McqOptions

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1.	What is the lowest order of the Butterworth filter with a pass band gain K_P=-1 dB at _P=4 rad/sec and stop band attenuation greater than or equal to 20dB at _S = 8 rad/sec?
A.	4
B.	5
C.	6
D.	3
Answer» C. 6

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Related MCQs

What is the lowest order of the Butterworth filter with a pass band gain K<sub>P</sub>=-1 dB at <sub>P</sub>=4 rad/sec and stop band attenuation greater than or equal to 20dB at <sub>S</sub> = 8 rad/sec?
The cutoff frequency of the low pass Butterworth filter is the arithmetic mean of the two cutoff frequencies as found above.
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What is the value of gain at the stop band frequency, i.e., what is the value of K<sub>S</sub>?
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