As a follow-on to this morning's messages regarding commercial spice model generators enforcing passivity here is a short list of commercial s/w that has SI application that I've just updated. Software that claims passivity enforcement in the generated models: ------------------------------------------------------------------ Optimal Corporation WideBand Convert TDA MeasureXtractor Sigrity BroadBand SPICE EMWonder EMtoSPICE CST Microwave Studio Cadence Allegro PCB SI 630 Does not efforce Passivity in the generated models: ---------------------------------------------------- Agilent ADS Spice Model Generator Applied Simulation Technology SPAR Unknown (to me) if passivity is enforced: ------------------------------------------ Ansoft Full-Wave Spice If any of the above is in error or anyone is aware of additional software which fits the category under discussion please pass the info along. -Ray Anderson ------------------------------------------------------------------ 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 FAQ wiki page is located at: http://si-list.org/wiki/wiki.pl?Si-List_FAQ List technical documents are available at: http://www.si-list.org 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