Designing filters using fourier series

Hi,

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

David

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googlinggoogler
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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.

On 2/28/2007 5:13 PM, The digits of snipped-for-privacy@hotmail.com's hands composed the following:

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Hawker

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