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Designing filters using fourier series

Discussion in 'Electronic Design' started by [email protected], Feb 28, 2007.

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  1. Guest


    I did an EE degree several years ago now, and obviously covered things
    such as fourier series and filter design. What I never covered was how
    to get component values from the fourier seires.

    Can anyone recommned either some online resource or a book that I can
    buy? I've had a rumage through the IEEE archieves and obviously a
    google seach but cant find a few basic examples to get me going

    Thanks in advance

  2. Hawker

    Hawker Guest

    I am not exactly sure it has what you want, but a great book for
    understanding more complex filters and going from the math to real world
    applications is
    "Theory and Design of Active Filters", by L.P. Huelsman.
    I have not cracked mine for a few years though so I don't remember what
    all it had. I originally bought it to better understand GIC filters back
    in the days before delta sigma D/As for audio when you needed steep
    filters on audio (as in mid 1990s).

    For basic understanding of 1-7 pole butterworth, chebychev, bessel and
    how to make them in the real world TI has a great app note and free
    software. It is old Burr Brown stuff they converted to Windowz. Much
    more basic than the book I recommended.
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