From: Syed Huq ([email protected])
Date: Fri Dec 03 1999 - 07:56:52 PST
Scott & others:
Here is the App note info:
"Convertion of AMP Connector Spice deck to XNS compatible Format" - Chris Myles
Sept21 1994.
By using .top, .tlp and .cpl files, the coupling effects(mutuals)can also
be modeled with XNS.
I do not have a softcopy but I am sure Viewlogic support can provide for
you.
Regards,
Syed
Cisco Systems, Inc
>
> Scott,
>
> I have an App note from Quad that takes a coupled connector SPICE model and
> converts to an XTK format. I will pass that info to you tomorrow(left it at
> home).
>
> Regards,
> Syed
>
> >
> > Syed,
> >
> > Does this also work with coupled MLM connector models. It seems
> > to me that in this case a lumped LC is not enough.
> >
> > I also do not believe that XTK will handle the non-ideal return paths
> > correctly, will it? Nor the noise induced into ground and power pins.
> >
> > regards,
> >
> > scott
> >
> >
> > Syed Huq wrote:
> >
> > > Michael,
> > >
> > > This multi-board sim is quite easy to setup in XTK. You can use TOPSPEC
to
> > > define any connector via a lumped LC.(See example in Ch6 of 'Preparing
PCB
> > > database for simulation with TLC/XTK/QUIET' or Ch7 of XTK users manual)
> > >
> > > Then use a hdf and con file to define the hierarchy of boards connecting
> > > to each other and the 'mapping' of the connections(con file). This con
file
> > > describes how the nets get tied across the connector.(See examples in Ch7
of
> > > 'Preparing PCB database for simulation with TLC/XTK/QUIET').
> > >
> > > Then follow the translation process and it's a piece of cake.
> > >
> > > % tmp -hdf <design>.hdf
> > > % isf2xtk -hdf <design>.hdf
> > >
> > > Regards,
> > > Syed
> > > Cisco Systems, Inc
> > >
> > > >
> > > > Hello SI List,
> > > >
> > > > I am continuing my investigation of XTK and have run into
> > > > a bit of a road block that I thought you might be able to help me with.
> > > > I have a desire to perform a multi-board system simulation where my
> > > > board to board interconnect is a standard 2 mm HM connector that
> > > > is used and supported by lots of folks. I have an AMP MLM for the
> > > > connector and would prefer not to fill my day modifying spice decks.
> > > > My feedback from folks to date has been that 'ya can't get there from
> > > > here', unless of course I would like to re-write the model myself for
> > > > use within XTK.
> > > >
> > > > I know that alot of folks in telecom are using this connector
> > > > and are probably using XTK. What are my options? Any good?
> > > > Thanks for the help.
> > > >
> > > > Best Regards,
> > > >
> > > > Michael Greim
> > >
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> >
> > --
> > Scott McMorrow
> > Principal Engineer
> > SiQual, Signal Quality Engineering
> > 18735 SW Boones Ferry Road
> > Tualatin, OR 97062-3090
> > (503) 885-1231
> > http://www.siqual.com
> >
>
>
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