Butterworth lowpass filter has a parameter, filter order, determining – McqOptions

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1.	Butterworth lowpass filter has a parameter, filter order, determining its functionality as very sharp or very smooth filter function or an intermediate filter function. If the parameter value is very high, the filter approaches to which of the following filter(s)?
A.	Ideal lowpass filter
B.	Gaussian lowpass filter
C.	All of the mentioned
D.	None of the mentioned
Answer» B. Gaussian lowpass filter

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