On Mon, 28 Jan 2008 12:50:35 -0200
John Coppens <john@jcoppens.com> wrote:

> Why not use NRZ(i) code? That code was designed to be 'constant'
> intensity, be it for magnetic media. It has the added advantage that it
> contains a clock, and polarity is unimportant. Easy to decode and encode
> too.

I really meant NRZI + manchester coding, of course. It's the manchester
coding that evens out the DC level. Though NRZI alone should probably be
better than just serial data.

John
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