> Sometimes a resistor value a bit on the low side is selected > ( Zdriver + Rresistor < 50). This causes a bit of overshoot at > the receiver and speeds up the ristime at the receiver compared > to the perfectly terminated case. This is especially useful in the case of clocks, which can tolerate some overshoot but not much undershoot (plateauing before reaching full-swing). Andy ------------------------------------------------------------------ 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: http://www.freelists.org/webpage/si-list For help: si-list-request@xxxxxxxxxxxxx with 'help' in the Subject field List archives are viewable at: http://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