[SI-LIST] Re: Looking for good source of information regarding Via tuning
- From: Richard Jungert <r_jungert@xxxxxxxxxxx>
- To: <art_porter@xxxxxxxxxxx>, <tamast@xxxxxxxxx>, <paul.denomme@xxxxxxxxxxxxxx>
- Date: Sat, 5 Jul 2008 07:41:57 -0700
ART.
I am trying to imagine how to make a "Tunable Via" would look like. I think it
would have center post with a variable metal structure that opens and closes
around the center post like a shutter on a lens. I think the shutter approach
might work. What do you make of that? A center post with a surrounding shutter
that works like an Iris opening in a camera lensing system. Have to give more
thought to that perhaps.
Richard Jungert
> Subject: [SI-LIST] Re: Looking for good source of information regarding Via
> tuning
> Date: Thu, 3 Jul 2008 15:25:27 -0600
> From: art_porter@xxxxxxxxxxx
> To: r_jungert@xxxxxxxxxxx; tamast@xxxxxxxxx; paul.denomme@xxxxxxxxxxxxxx
> CC: si-list@xxxxxxxxxxxxx
>
> 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
>
>
_________________________________________________________________
Making the world a better place one message at a time.
http://www.imtalkathon.com/?source=EML_WLH_Talkathon_BetterPlace
------------------------------------------------------------------
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:
