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design a notch filter

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how to design a notch filter for removing 50Hz freq. from signal along with the filter's working..

thank you
 

Attach dock will help, download the free software Filterpro from TI website and design a filter, for theory read the document..
Cheers!!!
 

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  • Ti Filter Tool.pdf
    3 MB · Views: 72

Ow@i$ said:
Attach dock will help, download the free software Filterpro from TI website and design a filter, for theory read the document..
Cheers!!!
Click to expand...

See page 25 and consider the UAF42. This is a really great part for a notch filter with small parts count.
 

Maybe the 50Hz you want to remove is interference from the electricity mains. What about its harmonics at 100Hz, 150Hz, 250Hz and higher frequencies?
 

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