[SI-LIST] Re: HSPICE - adding jitter to ethernet serial link
- From: Ed Sayre III <esayre3@xxxxxxxx>
- To: aburney@xxxxxxxxxx
- Date: Tue, 07 Feb 2006 14:25:53 -0500
Hello,
I am not sure if the newest version of HSPICE allows for the addition
of random and deterministic jitter to a source. Your HSPICE FAE should be
able to help you with this. That being said, you can prepare a source the
old fashion way. That is by creating the pattern 0-1 transitions in a data
stream (time, voltage) then using a PWL source and a dependant source with
gain you can set the levels. You should be able to create the jitter in
this source fairly simply. The issue is that from run to run the jitter
is always the same, in other words no random jitter.
Hope this helps.
Regards
-Ed
~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
NORTH EAST SYSTEMS ASSOCIATES, INC
-------------------------------------
"High Performance Engineering & Design"
~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
Dr. Edward Sayre 3rd e-mail: esayre3@xxxxxxxx
NESA, Inc. http://www.nesa.com/
235 Littleton Rd, Unit 2 Tel +1.978.392-8787
Westford, MA 01886 USA Fax +1.978.392-8686
~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
At 10:40 AM 2/7/2006 -0800, Ali Burney wrote:
>Hi,
>
>
>I am running gigabit Ethernet link simulation using HSPICE and have a
>question on adding jitter to the transmitted data. Is there any way to
>add Gaussian jitter to the transmitted data? I know that tools such as
>Hyperlynx allow you to add transmit jitter.
>
>
>
>Thanks and best regards,
>
>
>
>A Burney
>
>
>
>
>
>
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