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ADS1x9x EVM code


I am working with ADS1291 and trying to modify the code in the EVM to meet my requirments ;

In the code ADS1x9x_ECG_Processing.c  there are 3 filters ; low pass; 50_hz notch, 60 hz notch ;

As I know the notch filter must be an IIR , but as I see it is FIR in the example ; so how could you generate the Coeff.  ?



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