Hi, I am curious about the history of differential signaling. We can easily = explain in various versions intuitively or mathematically the benefits = of differential signaling now either in circuit design (differential = amplifiers/also called differential pair, for example) or in PCB design = (differential pairs), even in cable designs. What the first guys who = came up this idea originally thought and how/when they implemented the = idea ? etc. Thanks for advice, Mick =20 ------------------------------------------------------------------ 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