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Article #18039

Re: Coax cable specifications (General

#18039
From: dje
Date: Wed, 16 Sep 1987 19:11
19 lines
1313 bytes
The impedance of  coax has  very little  to do  with it's resistance.
The inductance and capacitance per unit length are the most important
factors.  These are dependent  on geometry  of the  center and shield
and the dielectric constant.  

One way to look at cable impedance is that  if you  terminate the far
end in its characteristic  resistance, and  measure  the impedance at
the  near  end,  you'll  get  the  characteristic  impedance  at  any
frequency. It's magic.

 				Dave Erickson
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Message-ID: <100500019@datacube>
Path: arc1-ca.pugleaf.net!utzoo!mnetor!uunet!seismo!husc6!cca!mirror!datacube!dje
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Path: arc1-ca.pugleaf.net!utzoo!mnetor!uunet!seismo!husc6!cca!mirror!datacube!dje
From: dje@datacube.UUCP
Newsgroups: sci.electronics
Subject: Re: Coax cable specifications (General
Message-ID: <100500019@datacube>
Date: Wed, 16-Sep-87 15:11:00 EDT
Article-I.D.: datacube.100500019
Posted: Wed Sep 16 15:11:00 1987
Date-Received: Sat, 19-Sep-87 14:17:37 EDT
References: <1284@bgsuvax.UUCP>
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Nf-ID: #R:bgsuvax.UUCP:-128400:datacube:100500019:000:735
Nf-From: datacube.UUCP!dje    Sep 16 15:11:00 1987