>Hello,
>I found this application note, I thought it was interesting and I want to
>share it with other non-experts. Those expert please forgive the noise ;)
>
>http://www.analog.com/static/imported-files/tutorials/MT-101.pdf
>
>Cheers,
>Mario

PS: another intesting paper:

Understanding How Ferrites Can Prevent and Eliminate RF Interference to Aud=
io Systems
http://citeseerx.ist.psu.edu/viewdoc/download?doi=3D10.1.1.167.5850&rep=3Dr=
ep1&type=3Dpdf

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