In a message dated 10/15/2003 3:53:10 PM Eastern Daylight Time, [EMAIL PROTECTED] writes:
> I've been a lurker for many years. My needs have been modest. However, I'm > starting to do high speed and RF boards. I noticed that there are signal > integrity DRC's. The first one I'm interested in is the characteristic > impedance. I do not understand how Protel 99SE calculates impedance. > > 1. I do not see where to enter the er and thickness of layers. > 2. I do not know how or what equations are used. > > Can someone enlighten me? > > Design - Layer Stack Manager * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * To post a message: mailto:[EMAIL PROTECTED] * * To leave this list visit: * http://www.techservinc.com/protelusers/leave.html * * Contact the list manager: * mailto:[EMAIL PROTECTED] * * Forum Guidelines Rules: * http://www.techservinc.com/protelusers/forumrules.html * * Browse or Search previous postings: * http://www.mail-archive.com/[EMAIL PROTECTED] * * * * * * * * * * * * * * * * * * * * * * * * * * * * * *
