FYI: We generated a few internal documents that I thought might be of general interest, so I posted them on the SI List Wiki with Ray's help (Thanks, Ray!). The first document is a general description of mixed-mode S-parameters in PowerPoint format. http://www.si-list.org/wiki/wiki.pl?Differential_And_Mixed_Mode_S-Parameters The second document is a white paper describing the basic elements of bit error rate analysis related to signal to noise ratio. http://www.si-list.org/wiki/wiki.pl?Bit_Error_Rate_(BER)_Theory_And_Techniqu es If you happen to review them, I'd appreciate any feedback you might have regarding corrections, improvements, extensions, etc. Regards to all, Pat ------------------------------------------------------------------ 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