Reply to: RE>>UTP - Unshielded Twisted What units for s and d? Inches, sorry for the omission. Mike
-------------------------------------- List-Post: [email protected] Date: 3/27/97 1:47 PM To: Michael Royer From: [email protected] Thanks Michael, It looks obvious that since d and s are in a ratio with each other, their magnitudes don't matter as long as their units are the same (ft/ft, inches/inches), but which standard are the units based - inches, mils, millimeters...? I assume since it's dealing with wire it's mils? Michael Royer wrote: > > Reply to: RE>UTP - Unshielded Twisted Pair > > Twisted pair equations > > d = diameter or wire > s = separation of wires centers > er= effective relative dielectric constant of medium between wires > > Z = {120/(er^.5)}*ln(2*s/d) > > Michael Royer ************************************************************ ------------------------------------------------------- The comments and opinions stated herein are mine alone, and do not reflect those of my employer. ------------------------------------------------------- ************************************************************ ------------------ RFC822 Header Follows ------------------ Received: by Mac2.net.com with ADMIN;27 Mar 1997 13:46:04 -0800 Received: from europe.std.com by unet.net.com (SMI-8.6/SMI-SVR4) id NAA27531; Thu, 27 Mar 1997 13:45:26 -0800 Received: by europe.std.com (8.7.6/BZS-8-1.0) id QAA28450; Thu, 27 Mar 1997 16:37:09 -0500 (EST) X-Authentication-Warning: europe.std.com: daemon set sender to treg-approval using -f Received: from world.std.com by europe.std.com (8.7.6/BZS-8-1.0) id QAA28443; Thu, 27 Mar 1997 16:37:07 -0500 (EST) Received: from smtp.paragon-networks.com by world.std.com (5.65c/Spike-2.0) id AA16605; Thu, 27 Mar 1997 16:36:52 -0500 Received: from Doug.paragon-networks.com ([38.243.36.147]) by smtp.paragon-networks.com (Netscape Mail Server v2.02) with SMTP id AAA47 for <[email protected]>; Thu, 27 Mar 1997 16:40:03 -0500 Message-Id: <[email protected]> List-Post: [email protected] Date: Thu, 27 Mar 1997 16:31:40 -0500 From: [email protected] (Doug McKean) Organization: Paragon Networks Int'l X-Mailer: Mozilla 3.01 (Win95; I) Mime-Version: 1.0 To: [email protected] Subject: Re: UTP - Unshielded Twisted References: <[email protected]> Content-Type: text/plain; charset=us-ascii Content-Transfer-Encoding: 7bit Sender: [email protected] Precedence: list Reply-To: [email protected]
