Dear all, May I know the reason why people would generally use S1 S2 G P S3 S4 configuration for six-layer stackup? Why not S1 S2 P G S3 S4? Thanks. regards, Saoer On Wed, Feb 20, 2008 at 11:17 PM, Fernando Yuitiro Mori <mori@xxxxxxxxxxxxx> wrote: > Hi, > I normally use S1 S2 G P S3 S4 for the 6 layers stackup. I need the 4 > layer with 60 ohms, so there are some problem if I use S1 G S2 S3 P S4? > > Regards, > > Fernando Mori > ------------------------------------------------------------------ > 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 > > > ------------------------------------------------------------------ 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