[SI-LIST] Why shielded twisted-pair is still twisted?

  • From: Neo <neoflash2008@xxxxxxxxx>
  • To: List Si <si-list@xxxxxxxxxxxxx>
  • Date: Mon, 10 May 2010 15:41:16 -0700 (PDT)

Hi,
I'm thinking about why shielded twisted-pair is still twisted? 
Pair is twisted for controlled distance/impedance (due to twist) and for x-talk 
reduction. If a pair is already shielded together, it is not necessary to twist 
them any more. 
Without twist, it will be equivalent to twin-ax cable, isn't that better?
Thanks,Neo

      
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