...and a simple search will find a few out there already in the standard flavours. Verilog-a example: http://www.eda.org/verilog-ams/models/opamp.va (remembering that most of the main Spice variants these days support straight Verilog-a too [which, in my humble opinion is fantastic]). There is a nice paper on a vhdl-ams version on the IEEExplore site too (Google finds it OK with: vhdl-ams opamp) Regards, Richard -----Original Message----- From: si-list-bounce@xxxxxxxxxxxxx [mailto:si-list-bounce@xxxxxxxxxxxxx] On Behalf Of Muranyi, Arpad Sent: 04 June 2009 09:05 To: si-list@xxxxxxxxxxxxx Subject: [SI-LIST] Re: SPICE to IBIS conversion Jebasingh, Even though the previous answers are correct for normal IBIS models, you could consider using the Verilog-AMS or VHDL-AMS language extensions in IBIS for modeling your Op-Amp. Arpad ================================================= -----Original Message----- From: si-list-bounce@xxxxxxxxxxxxx [mailto:si-list-bounce@xxxxxxxxxxxxx] On Behalf Of Mike LaBonte (milabont) Sent: Thursday, June 04, 2009 9:17 AM To: Jebasingh Arputham; si-list@xxxxxxxxxxxxx Subject: [SI-LIST] Re: SPICE to IBIS conversion I can't think of any reasonable way to model an op-amp in IBIS. IBIS supports bi-stable buffers and non-linear passive loads, but not linear amplifiers. Mike -----Original Message----- From: si-list-bounce@xxxxxxxxxxxxx [mailto:si-list-bounce@xxxxxxxxxxxxx] On Behalf Of Jebasingh Arputham Sent: Thursday, June 04, 2009 2:26 AM To: si-list@xxxxxxxxxxxxx Subject: [SI-LIST] SPICE to IBIS conversion Hi all, Can any one please tell me how to convert the SPICE model to IBIS model for OPAMP? Thanks in advance Jebasingh ------------------------------------------------------------------ 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 ------------------------------------------------------------------ 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