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ADXL193 Bessel filter

Question asked by epittelkau on Aug 28, 2014
Latest reply on Aug 31, 2014 by NevadaMark

Can someone please confirm this?  The 400 Hz Bessel filter built into the ADXL193 - any vibrations with greater than 400 Hz freqency are attentuated (ideally to zero, but I know filters don't roll off that fast).  How much delay does the signal experience when going through this filter?  Is the group delay in the passband nearly constant?  Thanks.