Hi Sunlim, Interesting, but it would help if you could give us more information about the "in1" and "in2"" layers and the overall layer spacing. No offense, by a quick pass of a spell checker would make things a bit more readable. With respect, Brent DeWitt > -----Original Message----- > From: si-list-bounce@xxxxxxxxxxxxx > [mailto:si-list-bounce@xxxxxxxxxxxxx]On Behalf Of sunil Morajkar > Sent: Tuesday, April 06, 2004 8:36 PM > To: si-list@xxxxxxxxxxxxx; si-list-bounce@xxxxxxxxxxxxx > Subject: [SI-LIST] QUERRY > > > Hello all, > > > My board is 6 layers with sequence as > > top > gnd > in1 > in2 > power > bottom > > SOme of the tracks whose Impedace to be maintained are going to > bottom layer, whereas they are preffernd on top ,thi will result in change > of Impedance as the height between bottom to gnd is more. > > > please suggest. > > regds > sunilm > > ------------------------------------------------------------------ > 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 FAQ wiki page is located at: > http://si-list.org/wiki/wiki.pl > > List technical documents are available at: > http://www.si-list.org > > 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 FAQ wiki page is located at: http://si-list.org/wiki/wiki.pl List technical documents are available at: http://www.si-list.org 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