[SI-LIST] Re: Influence of 8b10 encoder to eye diagram

  • From: Aubrey Sparkman <asparky@xxxxxxxxxxxxxxxxxxxxxxxx>
  • To: zhangjun5960@xxxxxxxxx
  • Date: Wed, 30 Dec 2015 09:07:16 -0600

Ask your model supplier if their AMI algorithm works well with 8b10b. Some do
not and your results will look worse.

Aubrey


Sent from my iPhone

On Dec 30, 2015, at 7:52 AM, jun zhang <zhangjun5960@xxxxxxxxx> wrote:

Hi experts,
In simulation of SAS-3 12Gbps by IBIS-AMI model obtained from vendors, I
accidently compare the eye diagram when TX with 8b10b encoder and without
8b10b encoder and find that with 8b10b encoder, both the eye heights and
widths become worse than without 8b10b encoder.

Do you also approach such a phemomena and how can we explain it?

--
best wishes,

Jun Zhang


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