[SI-LIST] Re: Hspice 2D Field Solver Vs. XFX

Vijay

10G routing for less than 1 inch is best handled with microstrip, if the 
routing is via-less, if the package and connector pads are on the same 
side of the board, and there are no stubs.

Happy Festivus,

Scott


Scott McMorrow
Teraspeed Consulting Group LLC
121 North River Drive
Narragansett, RI 02882
(401) 284-1827 Business
(401) 284-1840 Fax

http://www.teraspeed.com

Teraspeed® is the registered service mark of
Teraspeed Consulting Group LLC



Vijay Hosamani wrote:

> HI All,
>
>  I was wondering whether 10Gig differntial routing was better handled
>when routed in stripline or microstrip(standard FR4; length < 1 inch).
>
>Also please let us know if a loose coupling would help with std. FR-4.
>
>Regards,
>Vijay
>Sr. Design Engineer
>Telsima Communications Pvt. Ltd.
>Off: +91-80-30573993
>Mobile: +91-98450 81712
>e-mail:vijayh@xxxxxxxxxxx
>
>
>=20
>
>
>-----Original Message-----
>From: si-list-bounce@xxxxxxxxxxxxx [mailto:si-list-bounce@xxxxxxxxxxxxx]
>On Behalf Of Guasti Giovanni
>Sent: Friday, December 23, 2005 1:50 PM
>To: si-list@xxxxxxxxxxxxx
>Subject: [SI-LIST] Hspice 2D Field Solver Vs. XFX
>
>Please ignore the previous message and the terrible English!
>
>Sorry for the cryptic Object!
>I tried some simulations using W element lines.
>In the first case the RLGC matrix was generated by the internal Hspice =
>=3D
>2D EM simulator, in the second case the RLGC matrix was generated by =3D
>XFX.
>Losses in case one are larger than in case two. Materials and geometry =
>=3D
>are the same, as well ro and tan.
>My questions:
>1) did you noticed the same behaviour? is it always true, I mean for all
>=3D geometries?
>2) why?
>3) who is right? (Hspice EM simulator seems more similar to measures)
>Best regards, Merry Christmas and Happy New Year
>       Giovanni
>------------------------------------------------------------------
>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:
>http://www.freelists.org/webpage/si-list
>
>For help:
>si-list-request@xxxxxxxxxxxxx with 'help' in the Subject field
>
>List FAQ wiki page is located at:
>                http://si-list.org/wiki/wiki.pl?Si-List_FAQ
>
>List technical documents are available at:
>                http://www.si-list.org
>
>List archives are viewable at:    =20
>               http://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:
>http://www.freelists.org/webpage/si-list
>
>For help:
>si-list-request@xxxxxxxxxxxxx with 'help' in the Subject field
>
>List FAQ wiki page is located at:
>                http://si-list.org/wiki/wiki.pl?Si-List_FAQ
>
>List technical documents are available at:
>                http://www.si-list.org
>
>List archives are viewable at:     
>               http://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
>  
>
>  
>
------------------------------------------------------------------
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:
http://www.freelists.org/webpage/si-list

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

List FAQ wiki page is located at:
                http://si-list.org/wiki/wiki.pl?Si-List_FAQ

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

List archives are viewable at:     
                http://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: