[SI-LIST] Re: Looking for good source of information regarding Via tuning

  • From: <art_porter@xxxxxxxxxxx>
  • To: <r_jungert@xxxxxxxxxxx>, <tamast@xxxxxxxxx>, <paul.denomme@xxxxxxxxxxxxxx>
  • Date: Thu, 3 Jul 2008 15:25:27 -0600

If someone invents it I'll come up with a marketing plan for it! =
"Tweak-a-Via"...=20

Art Porter

-----Original Message-----
From: si-list-bounce@xxxxxxxxxxxxx [mailto:si-list-bounce@xxxxxxxxxxxxx] =
On Behalf Of Richard Jungert
Sent: Thursday, July 03, 2008 10:54 AM
To: todd t; Denomme, Paul S.
Cc: si-list@xxxxxxxxxxxxx
Subject: [SI-LIST] Re: Looking for good source of information regarding =
Via tuning

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.=20

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
>=20
> Paul, perhaps this article is of interest to you:
> http://www.edn.com/index.asp?layout=3Darticle&articleid=3DCA324403
> "designing controlled impedance vias", by tommy neu, TI.  not a =20
> replacement for a tried and true simulation study with a 3d field =20
> solver,  but you'll be more familiar with what you're after and a =20
> general direction on how to get there.
>=20
> ciao,
> -todd t
> -mantaro networks
>=20
> On Jul 2, 2008, at 1:55 PM, Denomme, Paul S. wrote:
>=20
> > Hi All,
> >
> >
> >            I have a customer that is looking for assistance in
> > providing Via tuning.  Basically they are looking to minimize the =20
> > 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 =20
> > how to
> > tune a via to a particular impedance? What about software? I'm =20
> > 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
> >
> >
> >
> >
> >
> >
> > The information contained in this communication and its =20
> > attachment(s) is intended only for the use of the individual to whom =
=20
> > it is addressed and may contain information that is privileged, =20
> > confidential, or exempt from disclosure. If the reader of this =20
> > message is not the intended recipient, you are hereby notified that  =

> > any dissemination, distribution, or copying of this communication is =
=20
> > strictly prohibited. If you have received this communication in =20
> > error, please notify postmaster@xxxxxxxxxxxxxx and delete the =20
> > communication without retaining any copies. Thank you.
> > Translations of this available:
> > Traduction disponible chez:
> > Traducciones disponibles en:
> > Vertalingen beschikbaar bij:
> > =
http://www.viasystems.com/dynamic_page.asp?page_symbol=3Demail_footer
> > ____________________________________________________________________
> > ------------------------------------------------------------------
> > To unsubscribe from si-list:
> > si-list-request@xxxxxxxxxxxxx with 'unsubscribe' in the Subject =
field
> >
> > or to administer your membership from a web page, go to:
> > //www.freelists.org/webpage/si-list
> >
> > For help:
> > si-list-request@xxxxxxxxxxxxx with 'help' in the Subject field
> >
> >
> > List technical documents are available at:
> >                http://www.si-list.net
> >
> > List archives are viewable at:
> >             //www.freelists.org/archives/si-list
> > or at our remote archives:
> >             http://groups.yahoo.com/group/si-list/messages
> > Old (prior to June 6, 2001) list archives are viewable at:
> >             http://www.qsl.net/wb6tpu
> >
> >
>=20
> --
>   =3Dtodd=3D
> "be who you are and say what you feel, for those who mind, don't =20
> matter, and those who matter, don't mind" --dr. seuss
>=20
>=20
>=20
>=20
>=20
>=20
> ------------------------------------------------------------------
> To unsubscribe from si-list:
> si-list-request@xxxxxxxxxxxxx with 'unsubscribe' in the Subject field
>=20
> or to administer your membership from a web page, go to:
> //www.freelists.org/webpage/si-list
>=20
> For help:
> si-list-request@xxxxxxxxxxxxx with 'help' in the Subject field
>=20
>=20
> List technical documents are available at:
>                 http://www.si-list.net
>=20
> List archives are viewable at:    =20
>               //www.freelists.org/archives/si-list
> or at our remote archives:
>               http://groups.yahoo.com/group/si-list/messages
> Old (prior to June 6, 2001) list archives are viewable at:
>               http://www.qsl.net/wb6tpu
>  =20
>=20

_________________________________________________________________
Watch "Cause Effect," a show about real people making a real difference. =
 Learn more.
http://im.live.com/Messenger/IM/MTV/?source=3Dtext_watchcause
------------------------------------------------------------------
To unsubscribe from si-list:
si-list-request@xxxxxxxxxxxxx with 'unsubscribe' in the Subject field

or to administer your membership from a web page, go to:
//www.freelists.org/webpage/si-list

For help:
si-list-request@xxxxxxxxxxxxx with 'help' in the Subject field


List technical documents are available at:
                http://www.si-list.net

List archives are viewable at:    =20
                //www.freelists.org/archives/si-list
or at our remote archives:
                http://groups.yahoo.com/group/si-list/messages
Old (prior to June 6, 2001) list archives are viewable at:
                http://www.qsl.net/wb6tpu
 =20



------------------------------------------------------------------
To unsubscribe from si-list:
si-list-request@xxxxxxxxxxxxx with 'unsubscribe' in the Subject field

or to administer your membership from a web page, go to:
//www.freelists.org/webpage/si-list

For help:
si-list-request@xxxxxxxxxxxxx with 'help' in the Subject field


List technical documents are available at:
                http://www.si-list.net

List archives are viewable at:     
                //www.freelists.org/archives/si-list
or at our remote archives:
                http://groups.yahoo.com/group/si-list/messages
Old (prior to June 6, 2001) list archives are viewable at:
                http://www.qsl.net/wb6tpu
  

Other related posts: