Hi Simba, ADS of Agilent can help you get 8,12.... port-touchstone file from measured 4-port s parameters. The model of ADS will be uses here is named "Eqn Based-Linear". By the way, you should well match the other ports you want to measure. Regards Jia Gongxian Huawei Technologies Co.,Ltd. Tel: 86 755 28976415 FAX: 86 755 28976758 Web: http://www.huawei.com Warning: The information contained in electronic mail message is intended only for the personal and confidential use of the designated recipient(s) named above. It may be privileged and confidential. If you have received this communication in error, please destroy any and all copies of this message including attached files in your possession. ----- Original Message ----- From: "Simba Julian" <sjulian@xxxxxxx> To: <si-list@xxxxxxxxxxxxx> Sent: Wednesday, June 27, 2007 10:58 PM Subject: [SI-LIST] 12 port model with 4 port VNA > Hello all, > > With the exception of PLTS, what other software solutions do you use > (free or proprietary) that can take a number of 4 port measurements and > aggregate them into an 8, 12 , ... port touchstone file? The number of > times that I have to do this does not justify the cost of purchasing a > 12 port VNA so I'm just curious to know what everyone else in this > scenario uses to accomplish this task. > > Thanks, > Simba > > Simba Julian > Sr. Signal Integrity Engineer > EMC Corporation > Email: sjulian@xxxxxxx > > > ------------------------------------------------------------------ > 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 > > > ------------------------------------------------------------------ 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