[SI-LIST] Re: Looking for good source of information regarding Via tuning
- From: Richard Jungert <r_jungert@xxxxxxxxxxx>
- To: todd t <tamast@xxxxxxxxx>, "Denomme, Paul S." <paul.denomme@xxxxxxxxxxxxxx>
- Date: Thu, 3 Jul 2008 09:53:49 -0700
I hope someday some one just invents one that you can design into a circuit
board and then tune it later during testing with a tweeker.
Richard Jungert
> CC: si-list@xxxxxxxxxxxxx
> From: tamast@xxxxxxxxx
> To: Paul.Denomme@xxxxxxxxxxxxxx
> Subject: [SI-LIST] Re: Looking for good source of information regarding Via
> tuning
> 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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