[SI-LIST] Re: 50 ohm and 130 ohm on the same board

  • From: steve weir <weirsp@xxxxxxxxxx>
  • To: a.ingraham@xxxxxxxx, <si-list@xxxxxxxxxxxxx>
  • Date: Thu, 03 Jun 2004 11:44:57 -0700

Andrew, are you talking about the old slow single ended SCSI-2/3, or LVDS 
SCSI.  The LVDS is differential.

Regards,


Steve.
At 10:43 AM 6/3/2004 -0400, Ingraham, Andrew wrote:
>Might it be for something like SCSI, or a ribbon cable that goes off the
>board?
>
>It's been a while since I worked with a SCSI design, but I recall having to
>push the envelope a bit.  Maybe not 130 ohms, but 110 or thereabouts.
>
>Regards,
>Andy
>
> > Can you tell us for what and why 130 Ohm SE is needed?
>
>
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