[SI-LIST] Re: Question about emphasis taps
- From: steve weir <weirsi@xxxxxxxxxx>
- To: si-list@xxxxxxxxxxxxx
- Date: Mon, 02 Dec 2013 14:27:21 -0800
"Digital Signal Processing" Oppenheim, Schafer
Steve
On 12/2/2013 1:30 PM, FU, Yejun wrote:
> Hi all:
>
> I am currently working on a high speed differential trace
> characterization up to 28Gbps, the problem is the high insertion loss, your
> signals has degraded just for several inches. So this company comes up with
> this tools to calculate the emphasis taps you can add into your PG to
> compensate the loss and reopen the eye. I was so confused by the way how they
> calculate it, because sometime they won't give you the best optimized taps.
> Any suggestion to full understand the Pre-emphasis Vs. insertion loss?
>
> Thanks
> Yejun(Johnny) Fu|
> yfu@xxxxxxxxx | 3500 Carling Ave.| Ottawa, ON, K2H 8E9, CAN
> Direct +1.613.670.3283
>
>
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