Mukul, The following appnote should give you the answer. There is nothing fundamentally different in a passive Infiniband cable vs. a USB cable other than the speed. Modeling of Infiniband Cable Assembly Application Note (671 KB) http://www2.tek.com/cmswpt/tidownload.lotr?ct=3DTI&cs=3DApplication+Note&= ci=3D 3031&lc=3DEN Thanks, =20 Dima Smolyansky Product Marketing Manager Tektronix, Inc. P.O. Box 500, MS 39-111 Beaverton, OR 97077-0001 503-627-7180 503-627-2260 (fax) -----Original Message----- From: si-list-bounce@xxxxxxxxxxxxx [mailto:si-list-bounce@xxxxxxxxxxxxx] On Behalf Of mukul pingley Sent: Friday, June 01, 2007 9:09 AM To: si-list@xxxxxxxxxxxxx Cc: mukulpingley@xxxxxxxxx Subject: [SI-LIST] USB cable model Hi All, I have below query, it would be greatly appreciated if you can provide me with some info. on this. =20 Is it possible to generate a model for USB? Is there any the equivalent electrical model of USB cable model for USB2.0 transceiver? If not, is it possible to generate a model for USB cable for stimulating standing wave phenonmena such as reflected-wave effect, bounce back effect, propogation delay, eye diagram and jitter in any spice simulator? Thanks, Mukul =20 ________________________________________________________________________ ____________ Park yourself in front of a world of choices in alternative vehicles. Visit the Yahoo! Auto Green Center. http://autos.yahoo.com/green_center/=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: =20 //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 =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