Re: Increasing the speed of dial-up to that of cable -- possible?

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Article #235

#235

From: CBFalconer
Date: Wed, 15 Aug 2007 01:28

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Radium wrote:
> On Aug 13, 6:11 pm, kony <s...@spam.com> wrote:
> 
>> The answer is no, it can't.  Plain old twisted pair bell
>> wire cannot retain the analog signal at the sufficiently
>> high frequencies necessary to come anywhere near ISDN, ADSL,
>> let alone *cable* broadband speeds.
> 
> Why can't telephone wires carry those high frequencies?

They can.  But they have heavy losses.  Almost 40 years ago we were
resolving 8 picoseconds down standard telephone pair cables,
unshielded.  But we had to put a repeater in every 200 or so feet
of cable.

-- 
 Chuck F (cbfalconer at maineline dot net)
   Available for consulting/temporary embedded and systems.
   <http://cbfalconer.home.att.net>



-- 
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Date: Tue, 14 Aug 2007 21:28:10 -0400
From: CBFalconer <cbfalconer@yahoo.com>
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Subject: Re: Increasing the speed of dial-up to that of cable -- possible?
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