[SI-LIST] Re: Outer Shield of coaxial cable

  • From: Neo <neoflash2008@xxxxxxxxx>
  • To: steve weir <weirsi@xxxxxxxxxx>
  • Date: Wed, 3 Mar 2010 06:39:18 -0800 (PST)

Steve:
Do you mean the skin depth is smaller than 3mil, so the thicker outer shield 
should not help?

Neo

--- On Wed, 3/3/10, steve weir <weirsi@xxxxxxxxxx> wrote:

From: steve weir <weirsi@xxxxxxxxxx>
Subject: [SI-LIST] Re: Outer Shield of coaxial cable
To: "Neo" <neoflash2008@xxxxxxxxx>
Cc: "List Si" <si-list@xxxxxxxxxxxxx>
Date: Wednesday, March 3, 2010, 3:10 AM

Neo, if 3 mils of Cu shield thickness is showing up as your dominant 
loss, then you are either running at deep sub MHz frequencies, or you 
set the problem up incorrectly.

Steve.
 Neo wrote:
> Hi folks,
> I have a question about the outer shield metal of a coaxial cable. 
>
> For a AWG26 cable, what is thickness of the usually used outer shield copper 
> layer? I tried to use 3mil, and the field solver told me that the most lossy 
> part of the cable is the shield.
>
> Any suggestion?
>
> Regards,
> Neo
>
>
>
>       
>
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