CFC filter using Butterworth filter

[JoePerkins]

Hello,

I'm trying to replicate the Crash Analysis CFC60 filter results with a Butterworth filter. Is this possible? I can't find the proper settings for both results to match.

For CFC60, according to Crash Analysis Criteria 2.4.3 document, it's supposed to be:

IIR, 4th degree, low-pass, 100Hz.

ChnFiltCalc("000000000000TI00", "D0HEAD0000PAACXP", "test", "IIR", "Butterworth", "Low pass", 4, 100, "", "", "", "", "", true, false)

 Am I missing something?

Thanks!

Kindest regards,

Néstor