If the butterworth filter available in LabVIEW FPGA is cascade, can I get a higher order filter?

I need a 10th order filter lowpass butterworth with cut-off frequency 5 kHz. Can I build by 4th cascading of 2 order butterworth filters and 1 2nd order available in LabVIEW FPGA each filter in butterworth with cut-off frequency 5 kHz?


This will increase the amount that your data will be filtered but will not increase the order in the Manor that you think. If you cascade two 2 4th order filters and compare that results to a filter of order 8, the resulting field filter cascading bode would look more like a 6,5e order filter.

Logan H

Tags: NI Software

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