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Sources/library for AN4255: FFT-Based Algorithm for Metering Applications

Question asked by rbo on Nov 24, 2014
Latest reply on Feb 12, 2015 by Ludek Slosarcik


I had a look at AN4255: FFT-Based Algorithm for Metering Applications available here and would be interested in evaluating this metering library but unfortunately I could not find it anywhere.

There is no associated AN4255SW zip file as for many other application notes and the only resource I could find was the Filter-based variant of the library for another application note (AN4265) --> AN4265SW:


I tried to change the code in the URL to point to AN4255SW but this resource does not exist.

Could someone point me to an archive containing the required sources/library/headers for the meterlibfft.a referenced in Chapter 5 Metering library of the application note ?


Thanks for any hint,