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Message from discussion Simple data bus over DC Power Wires
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Ken Smith  
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 More options Jun 22 2004, 9:17 pm
Newsgroups: sci.engr.control, comp.arch.embedded, sci.electronics.design
From: kensm...@violet.rahul.net (Ken Smith)
Date: Wed, 23 Jun 2004 01:17:02 +0000 (UTC)
Local: Tues, Jun 22 2004 9:17 pm
Subject: Re: Simple data bus over DC Power Wires
In article <7813f8ee.0406221356.50c88...@posting.google.com>,

Paul W. <bushie...@hotmail.com> wrote:
>Interesting Ken,

>When you say, this has been used up to 1000 ft, you actually implemented it?

Yes and sold it to someone.  The circuit was a little different because we
used an LT1081 to make the signal from the micro bigger and stronger and
attempted to cancel the self signal (the micro hearing its self).

>If so, how reliable was it and what kind of data rates did you get?

It was about 100% for one side only transmitting.  The self signal
cancelation was a bad idea.  It is better, if you can, just to only have
one side talk.

--
--
kensm...@rahul.net   forging knowledge


 
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