At what frequency? At DC, you just manipulate the resistivity and the cross-sectional area. At higher frequencies, you'll need to account for the skin effect. - Daniel From: "Chris Robertson" <chris.robertson@xxxxxxxxxxxxx> > Hello all, > I'm building another calculator (I have a bundle) that just calculates the > trace resistance. > Does anyone have a/the formula? I'm just looking for a basic "rule of thumb" > type formula. > some I have seen add several different values, but I need to simply calculate > from Trace width & thickness. > > > CR -- Daniel ZZZ-dgun-ZZZ-@xxxxxxxxxxxxxxx (remove the Z-'s to reply--they're what I do when I read spam) -- __________________________________________________________ Sign-up for your own FREE Personalized E-mail at Mail.com http://www.mail.com/?sr=signup Meet Singles http://corp.mail.com/lavalife ------------------------------------------------------------------ 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 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