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Wayne A. Pflughaupt wrote:
 Thanks Fred.  |
Your welcome
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Do the standard alignments apply to digital filters as well?
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Yes,it is the Q of the filter that determines whether it is a Butterworth,Linkwitz-Riley ,Bessel etc.So as long as the Q is.707 then you will get a butterworth response regardless of whether it is done in the analog or digital domain.Change the Q and it is no longer a butterworth alignment.