[SI-LIST] Number of bits to simulate

  • From: Roopesh Badala <roopesh.badala@xxxxxxxxx>
  • To: si-list@xxxxxxxxxxxxx
  • Date: Tue, 6 Dec 2011 19:31:50 +0530

Hello Experts,
We are simulating a LVDS channel of 800Mbps datarate using ibis models &
cadence channel analysis tool utilities.

We are struck at selecting number of bits for simulation.

How do you decide on the PRBS pattern length for simulation.

with 32 bits the eye opening is good. but for higher pattern length the eye
opening is bad.

Is there any relation between the channel length or data rate to number of
bits to simulate.

kindly advise.

Thanks in advance

Roopesh.


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