Guru, I have seen some designers try hard and prefer to reduce (single-ended) = Xtalk between two trace within a differential pair, sometimes by using = GSGSG configuration. Obviously, this is not because of a routing = concerns, it is an electrical consideration. Are there any reasons from = electrical point of view ? Let's assume symmetric pair. =20 Thanks, Mick ------------------------------------------------------------------ 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