[SI-LIST] Re: Looking for good source of information regarding Via tuning
- From: todd t <tamast@xxxxxxxxx>
- To: "Denomme, Paul S." <Paul.Denomme@xxxxxxxxxxxxxx>
- Date: Wed, 2 Jul 2008 19:20:31 -0400
Paul, perhaps this article is of interest to you:
http://www.edn.com/index.asp?layout=article&articleid=CA324403
"designing controlled impedance vias", by tommy neu, TI. not a
replacement for a tried and true simulation study with a 3d field
solver, but you'll be more familiar with what you're after and a
general direction on how to get there.
ciao,
-todd t
-mantaro networks
On Jul 2, 2008, at 1:55 PM, Denomme, Paul S. wrote:
> Hi All,
>
>
> I have a customer that is looking for assistance in
> providing Via tuning. Basically they are looking to minimize the
> impact
> their via's have on their high speed signals. I am familiar with the
> various techniques to minimize the impact a via has on the signal
> integrity ( ie minimize pad size, maximize anti pad, remove NFP's,
> backdrilling, etc) but is their any good source of information on
> how to
> tune a via to a particular impedance? What about software? I'm
> familiar
> with the 3D field solvers, but is their any reasonably priced software
> available that will support this type of work? Any assistance on this
> issue would be greatly appreciated.
>
>
>
> Thank you
>
>
>
> Paul Denomme
>
> Viasystems
>
>
>
>
>
>
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--
=todd=
"be who you are and say what you feel, for those who mind, don't
matter, and those who matter, don't mind" --dr. seuss
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