[SI-LIST] Re: (No Date: Mon, 2 Jun 2003 08:35:29 -0400
- From: Robert Kezer <Robert.Kezer@xxxxxxxxxxxxx>
- To: "'Chris.Painter@xxxxxxxxxxxxxxxxxxx'" <Chris.Painter@xxxxxxxxxxxxxxxxxxx>,si-list@xxxxxxxxxxxxx
These models exist, but you have to get them from PHY vendor. Some
vendors are Broadcom, Marvel, etc...
-----Original Message-----
From: Painter, Chris [mailto:Chris.Painter@xxxxxxxxxxxxxxxxxxx]
Sent: Friday, May 30, 2003 5:29 PM
To: si-list@xxxxxxxxxxxxx
Subject: [SI-LIST]
All,
I have run across many instances where Ethernet signals were incorporated in
PCB designs we are working on, and there has been a desire to analyze these
circuits to verify signal integrity, particularly for "gigabit Ethernet".
To date, I have not been able to find models (neither IBIS or HSPICE) to
perform simulation with. I've also been able to find basic electrical
information such as voltage levels, edge rates, and VI curves to cobble
together rough approximations of models. I recall questions about Ethernet
models being posted here in the past, but have never seen any replies. Is
it a fact that models do not exist, and if so, what are the characteristics
of Ethernet signaling that prevents models being developed? Is simulation
the wrong approach to take when evaluating Ethernet in a PCB? If so, what
are the alternatives? I'd appreciate any feedback or suggestions. Thanks
in advance.
Christopher Painter (chris.painter@xxxxxxxxxxxxxxxxxxx)
Electrical Design Engineer
Tyco Electronics
Austin Division
Phone: 512-250-6934
Fax: 512-250-6940
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