FreeLists / si-list / [SI-LIST] Re: 50 ohm and 130 ohm on the same board

["saprasad" <prasadsa@xxxxxxxxxx>]

BOARD IS FOR A CHIP CHARECTERISATION. NEW ASIC FOR MOBILE TECHNOLOGY.

S A Prasad

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----- Original Message -----
From: "steve weir" <weirsp@xxxxxxxxxx>
To: <a.ingraham@xxxxxxxx>; <si-list@xxxxxxxxxxxxx>
Sent: Friday, June 04, 2004 12:14 AM
Subject: [SI-LIST] Re: 50 ohm and 130 ohm on the same board


> 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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