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FIR filter

FIR filter

FIR filter

(OP)
Hello,

i need to design a filter to "clean" the signal i'm feeding to my A/D converter from 50Hz noise.

I would like to know how can i calculate the coefficients to do this.

Best regards,
Carlos Cardoso

Best regards, Carlos Cardoso

RE: FIR filter


Hi
If your filtering before A/D conversion
try searching for a
twin T notch filter on internet.

It is analog and can be made quite sharp in
rejection of a frequency

rodar

RE: FIR filter

Hi, the easy way is to syncronise the ad sampling to the line.

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