Dear All, FYI, There are several tools and Engineering calculators such as PCB impedance calculators, PCB Stack up calculators, Trace current calculators and more on our web site that can be used for free. Please feel free to go to www.SunManTechnology.com and select Calculator or select the resources tap for more goodies. Enjoy and have a great one. Cheers, Allen Nejah SunMan Engineering, Inc. allen@xxxxxxxxxxxxxxxxxxxxxx www.SunManTechnology.com ------------------------------------------------------------------ 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?Si-List_FAQ 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