[SI-LIST] Re: Opinions wanted on Signal Integrity analysis tools
- From: "Antselovitch Joseph" <yossia@xxxxxxxxxxxx>
- To: <tom_cip_11551@xxxxxxxxxxx>, <si-list@xxxxxxxxxxxxx>
- Date: Tue, 31 Jan 2006 18:38:52 +0200
Hello Tom,
You may consider (among others) Mentor Graphics "HyperLynx GHz" for
pre-layout and post-route
Signal Integrity and EMC analysis; transmission-line losses; via
parasitics, and more.
IBIS and SPICE IC and connector models are required.
W-element simulation, of lossy coupled transmission lines, is probably
based on a (2D or 2.5D ?) integrated "field solver" results.
The tool supports needs of SERDES designs.
For lower frequencies, up to about 300 MHz, consider a limited version
named "HyperLynx EXT".
Read more --
http://www.mentor.com/products/pcb/analysis_verification/hyperlynx/index
.cfm
http://www.mentor.com/products/pcb/expedition/news/articles/upload/BH-Pl
atform2003.pdf
Best regards,
Joseph Antselovitch
-----Original Message-----
From: si-list-bounce@xxxxxxxxxxxxx [mailto:si-list-bounce@xxxxxxxxxxxxx]
On Behalf Of tom_cip_11551
Sent: Monday, January 30, 2006 11:58 PM
To: si-list@xxxxxxxxxxxxx
Subject: [SI-LIST] Opinions wanted on Signal Integrity analysis tools
Hi,
At present, I work for a small company that does gigabit design,=20
pretty much by experiment. If we do not make our return loss=20
specification, we take some copper away from the ground layer, or do=20
something else, until we do make it. We may turn the board a few=20
times but that is the way it goes.
I have done a number evauations of programs that do EM analysis,=20
such as AWR Microwave Office, CST Microwave Studio and Sonnet EM=20
Suite.=20
I would like to know if there is an opinion in the group concerning=20
any other programs that are generally used. For example, I have read=20
some data about Cadence Specctraquest. Specctraquest, however,=20
appears to be more model based (pspice) than EM based.
Before I make a proposal to management for capital equipment, I=20
would like to get more opinions for the SI group.
The main challenge that we have, is the mating of high speed=20
connectors to the PCB. Sometimes we can get spice models of the=20
connector, by itself, but that does not do us much good concerning=20
the mating interface of the PCB pad to the connector pin.=20
Thank You
Tom
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=20
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