First thing that we checked. Then we had the Cadence support generate it for us to be sure. Sincerely, Farooq Bhatti Whizz Systems Inc. 408-980-0400 x 105 408-482-2315 (cell) NOTICE: This email message is for the sole use of the intended = recipient(s) and may contain confidential and privileged information. Any unauthorized review, use, disclosure or = distribution is prohibited. If you are not the intended recipient, please contact the sender by reply email and destroy = all copies of the original message. -----Original Message----- From: Istvan Novak [mailto:istvan.novak@xxxxxxxxxxx]=20 Sent: Wednesday, June 18, 2008 5:43 PM To: Farooq Bhatti Cc: si-list@xxxxxxxxxxxxx Subject: Re: [SI-LIST] How to use s-parameter generated from = specctra-quest in HSPICE Farooq, First I would check the port assignment (port numbering) to make sure=20 that the diff pair is hooked up the same way in the HSPICE simulation=20 that was assumed in S-parameter extraction. Regards, Istvan Farooq Bhatti wrote: > Hi All: > > I am facing issues with the s-parameter file generated from = spectra-quest for interconnects for one diff pair to be > used for PCIe Gen2 simulation in HSPICE. I am getting the entire = signal reflected back from the point where > s-parameter starts.=20 > > I am using spectra-quest to extract the routed nets in sigxp then = generate the s-parameter from sigxp. > Then using that s-parameter in HSPICE net list to do the simulation. > Has any one come across same or similar issues? OR know of the correct = procedure to do this? > Thanks in advance. > > Sincerely, > Farooq Bhatti > Whizz Systems Inc. > 408-980-0400 x 105 > 408-482-2315 (cell) > NOTICE: This email message is for the sole use of the intended = recipient(s) and may contain confidential and > privileged information. Any unauthorized review, use, disclosure or = distribution is prohibited. If you are not the > intended recipient, please contact the sender by reply email and = destroy all copies of the original message. > > > =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 technical documents are available at: http://www.si-list.net 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