[SI-LIST] Re: Question about emphasis taps
- From: "Ken Cantrell" <ken@xxxxxxxxxxxxxxxx>
- To: <weirsi@xxxxxxxxxx>, <si-list@xxxxxxxxxxxxx>
- Date: Mon, 2 Dec 2013 15:39:51 -0700
"Principles of Communications, System, Modulations and Noise."
Ziemer&Tranter, Wiley, 6th Edition.
-----Original Message-----
From: si-list-bounce@xxxxxxxxxxxxx [mailto:si-list-bounce@xxxxxxxxxxxxx] On
Behalf Of steve weir
Sent: Monday, December 02, 2013 3:27 PM
To: si-list@xxxxxxxxxxxxx
Subject: [SI-LIST] Re: Question about emphasis taps
"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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