Hi ,Experts one question regarding to ibis model usage in hspice, we know that we can use two separate buffers to form a , for example, Tx+ and Tx- pair and observe their respective waveform , but how to observe their diffrential waveform?? do I need to use VCVS syntax to achieve this? if so, I have no idea how to and why using VCVS syntax, can someone pls enlighten me a bit about this ? or an example will be appreciated! Stanley Stanley Chiu Mitac Corp. S.I. Engineer RD7/HSSD Div. TEL:03-3289000 ext323 ------------------------------------------------------------------ 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