we have a routed board and selected the trace. The trace has two vias. but when we simulate the vias are NOT there. How or do we define the vias as being a part of the signal? > Thanks > > From: <sjcharles@xxxxxxx> > Date: 2005/02/28 Mon PM 12:44:13 EST > To: <icu-pcb-forum@xxxxxxxxxxxxx> > Subject: [PCB_FORUM] Re: pcb-si vias > > we have a routed board and selected the trace. The trace has two vias. but > when we simulate the vias are there. How or do we define the vias as being a > part of the signal? > Thanks > > > > From: "David Greig" <david@xxxxxxxxxxxxxx> > > Date: 2005/02/28 Mon AM 10:52:30 EST > > To: <icu-pcb-forum@xxxxxxxxxxxxx> > > Subject: [PCB_FORUM] Re: pcb-si vias > > > > SI 630 uses a 3D field solver - a built in solution from Optimal. Via's and > > ground plane holes are modelled (unlike many other packages) > > > > > > Best Regards > > > > David Greig > > ______________________________ > > GigaDyne Ltd > > Buchan House > > Carnegie Campus > > Dunfermline KY11 8PL > > United Kingdom > > t: +44 (0)1383 624 975 > > ______________________________ > > > > -----Original Message----- > > From: sjcharles@xxxxxxx [mailto:sjcharles@xxxxxxx] > > Sent: 28 February 2005 15:33 > > To: icu-pcb-forum@xxxxxxxxxxxxx; icu-pcb-forum@xxxxxxxxxxxxx > > Subject: [PCB_FORUM] Re: pcb-si vias > > > > Does the si tool simulate vias? We're using 15.2 thanks > > > > > > From: "Kevin Buchanan" <buck@xxxxxxx> > > > Date: 2005/02/24 Thu PM 04:00:12 EST > > > To: <icu-pcb-forum@xxxxxxxxxxxxx> > > > Subject: [PCB_FORUM] Re: pcb-si > > > > > > Sam, > > > > > > PCB-SI is the renamed SpecctraQuest Signal Integrity (SI) Analysis > > > product. > > > The front end works very similar to allegro. It is used for floor > > > planning, initial stack up analysis and Signal integrity. > > > > > > The SI portions of the tool has a very large learning curve. I hope > > > you have time to learn modeling and simulation. > > > > > > Buck... > > > > > > -----Original Message----- > > > From: sjcharles@xxxxxxx [mailto:sjcharles@xxxxxxx] > > > Sent: Thursday, February 24, 2005 3:42 PM > > > To: icu-pcb-forum@xxxxxxxxxxxxx > > > Subject: [PCB_FORUM] pcb-si > > > > > > > > > we have this pcb-si, but no one to drive it. Is it necessary to have > > > concept HDL to run pcb-si? Also where is a good place to start > > > learning this > > > > > > Thanks in advance > > > Sam > > > > > > ----------------------------------------------------------- > > > To subscribe/unsubscribe: > > > Send a message to icu-pcb-forum-request@xxxxxxxxxxxxx > > > with a subject of subscribe or unsubscribe > > > > > > To view the archives of this list please login at > > //www.freelists.org. > > > Our list name is icu-pcb-forum or go to > > > //www.freelists.org/archives/icu-pcb-forum/ > > > > > > Problems or Questions: > > > Send an email to icu-pcb-forum-admins@xxxxxxxxxxxxx > > > > > > Want to post a job listing ? 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