FreeLists / si-list / [SI-LIST] Re: SPICE or IBIS

["Tom Dagostino" <tom@xxxxxxxxxxxxx>]

I was not aware that s2ibis would convert a spice connector model to an ibis
model.  Have you tried this?

Tom Dagostino
Teraspeed Consulting Group LLC     Teraspeed Consulting Group LLC
2926 SE Yamhill St.                       Device Modeling Division
Portland, OR 97214                        13610 SW Harness Lane
                                                    Beaverton, OR 97008
http://www.teraspeed.com           503-430-1065
tom@xxxxxxxxxxxxx


-----Original Message-----
From: si-list-bounce@xxxxxxxxxxxxx
[mailto:si-list-bounce@xxxxxxxxxxxxx]On Behalf Of Abdulrahman Rafiq
Sent: Wednesday, December 03, 2003 11:00 AM
To: emc_gibney@xxxxxxxxxxx
Cc: si-list@xxxxxxxxxxxxx
Subject: [SI-LIST] Re: SPICE or IBIS


Eoin,
You are correct, the best way to go from HSpice to IBIS isto
use the s2ibis parsar which can be downloaded from the
EIA/IBIS E-GROUP site http://www.eigroup.org/ibis/tools.htm

Hope this helps

---------------------------------------
Abdulrahman Rafiq
Department of Physics
University of California
Riverside, Ca. 92521
Email: arafi001@xxxxxxx
URL: www.geocities.com/arafiq786
--------------------------------------


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Experts,

I have been researching some methods to model packages and connectors
and from what I have seen a common method is to extract a coupled
lumped/distributed SPICE model from VNA or TDR/T measurements. These
SPICE models can be used to model performance at high
speed/frequencies. My question is if I was to create an IBIS model as
oppposed to a SPICE model is there any limitations, for example?

a) the highest frequency/shortest rise time possible
b) how does it handle losses etc

As I understand there is software to convert a SPICE model to IBIS
format, would this be the best way to go or directly create an IBIS
model from measurements?

Regards,

Eoin Mc Gibney
CIT
emcgibney@xxxxxx

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