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Need 8 pole high pass filter with Butterworth response using SigmaDSP

Question asked by Lionelwallace Employee on Nov 11, 2013
Latest reply on Oct 16, 2014 by KJBob

My customer needs to build a high pass, 8 pole, butterworth filter using a SigmaDSP.  Cutoff would be 150 Hz.  Is this possible?  The customer has the impression that you cannot simply daisy chain 4 instances of a second order filter to achieve this.  If this is possible, will Sigma Studios calculate the required coefficients for the filter?

 

Thanks

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