From: Jian X. Zheng ([email protected])
Date: Thu Nov 16 2000 - 16:31:13 PST
Hi, Michael:
I think I should correct your claim that Ansoft's full-wave SPICE is the
only one can yields a rigorous Spice equivalent circuit that is valid across
a broad bandwidth. Zeland Software, Inc. is offering the MDSPICE which can
perform spice simulation based upon wide frequency range s-sparameter
response. For the MDSPICE 2.0 to be released, it normally can yield time
delay can meet the casuality conditions. Zeland Software, Inc. also offers
high efficiency and high accuracy electromagneitc simulator which can
provide accurate and wide range frequency responses on high frequency and
high speed circuits. Thanks!
Best regards,
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Jian-X. Zheng, Ph.D
Zeland Software, Inc., 48890 Milmont Drive, 105D, Fremont, CA 94538, U.S.A.
Tel: 510-623-7162, Fax: 510-623-7135, Web: http://www.zeland.com
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Special Announcements: (1) IE3D 8.0 will be released soon. The IE3D 8.0 has
implementation of boxed Green's functions, periodic Green's functions, and
advanced iterative matrix solvers for large structures. Using the AIMS
matrix solvers, you will be able to solve large RF IC and antenna array
problems. An example of an 8 by 8 antenna array takes less than 100 MB RAM
to solve on the AIMS III matrix solver. (2) The s-parameter SPICE simulator
MDSPICE 2.0 is going to be released. The MDSPICE 2.0 has a robust time
domain engine accepting s-parameters from full wave simulators. Its time
domain simulation normally can guarantee the casuality conditions. (3) The
FIDELITY 3.0 is formally released. It has many good features to enhance 3D
modeling in wireless communications; (4) IE3D 7.1 is being released. The
IE3D 7.X is a big step from IE3D 6.0 according to its optimization
capability. It has the implementation of symbolic optimization goals. It als
features integrated IE3D+CURVIEW+PATTERNVIEW for automated pattern
calculation and optimization.
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--> -----Original Message----- > From: Jian X. Zheng [mailto:[email protected]] > Sent: Thursday, November 16, 2000 4:30 PM > To: Michael Brenneman > Subject: RE: [SI-LIST] : 3D Simulation Software -- Ansoft HFSS vs. CST's > Microwave Studio > > > Hi, Michael: > > I think I should correct your claim that Ansoft's full-wave SPICE > is the only one can yields a rigorous Spice equivalent circuit > that is valid across a broad bandwidth. Zeland Software, Inc. is > offering the MDSPICE which can perform spice simulation based > upon wide frequency range s-sparameter response. For the MDSPICE > 2.0 to be released, it normally can yield time delay can meet the > casuality conditions. Zeland Software, Inc. also offers high > efficiency and high accuracy electromagneitc simulator which can > provide accurate and wide range frequency responses on high > frequency and high speed circuits. Thanks! > > Best regards, > > ----------------------------------------------------------------------- > Jian-X. Zheng, Ph.D > Zeland Software, Inc., 48890 Milmont Drive, 105D, Fremont, CA > 94538, U.S.A. > Tel: 510-623-7162, Fax: 510-623-7135, Web: http://www.zeland.com > --------------------------------------------------------------------- > Special Announcements: (1) IE3D 8.0 will be released soon. The > IE3D 8.0 has implementation of boxed Green's functions, periodic > Green's functions, and advanced iterative matrix solvers for > large structures. Using the AIMS matrix solvers, you will be able > to solve large RF IC and antenna array problems. An example of an > 8 by 8 antenna array takes less than 100 MB RAM to solve on the > AIMS III matrix solver. (2) The s-parameter SPICE simulator > MDSPICE 2.0 is going to be released. The MDSPICE 2.0 has a robust > time domain engine accepting s-parameters from full wave > simulators. Its time domain simulation normally can guarantee the > casuality conditions. (3) The FIDELITY 3.0 is formally released. > It has many good features to enhance 3D modeling in wireless > communications; (4) IE3D 7.1 is being released. The IE3D 7.X is a > big step from IE3D 6.0 according to its optimization capability. > It has the implementation of symbolic optimization goals. It als > features integrated IE3D+CURVIEW+PATTERNVIEW for automated > pattern calculation and optimization. > ------------------------------------------------------------------ > ------------ > > > -----Original Message----- > > From: [email protected] > > [mailto:[email protected]]On Behalf Of Michael Brenneman > > Sent: Thursday, November 16, 2000 3:54 PM > > To: [email protected] > > Subject: Re: [SI-LIST] : 3D Simulation Software -- Ansoft HFSS vs. CST's > > Microwave Studio > > > > > > Hello Everyone, > > > > On Oct 23, Rich Marowsky of Stewart Connector Systems posted a question > > on this list, asking for the pros and cons of Ansoft HFSS vs. CST's > > Microwave Studio for connector modeling and full-wave Spice extraction. > > Ansoft recognizes that readers of the list prefer to read the opinions > > of neutral parties. Therefore, we usually refrain from posting to this > > list. However, in this case, we feel compelled to point out that to our > > knowledge Ansoft is the only company that can export full-wave Spice > > circuit models that are accurate over a broad bandwidth. We do this by > > producing reduced-order models of the poles and zeros of the > > electromagnetic device. (For details on how this is done, see "S-Domain > > Methods for Simultaneous Time and Frequency Domain Characterization of > > Electromagnetic Devices" by J. E. Bracken, D. K. Sun and Z. J. Cendes, > > IEEE Transactions on Microwave Theory and Techniques, volume 46, number > > 9, pp. 1277-1290, September, 1998.) > > > > To our knowledge, competing software tools form only topologically > > simple SPICE equivalent circuits that in general can only be matched to > > full-wave electromagnetic field simulation at a few frequency points. > > Full-wave Spice(TM) from Ansoft Corporation is the only method available > > today that yields a rigorous Spice equivalent circuit that is valid > > across a broad bandwidth. (For a recent article on how Full-wave > > Spice(TM) can be used to simulate a high-speed interconnect structure, > > see "Solving a High-Frequency Signal-Integrity Problem" by Linda Walling > > and Sergey Polstyanko, Microwaves and RF, pp. 63-66, October, 2000) > > > > Best Regards, > > -mike > > > > ----------------------------------------------------------------- > > Michael Brenneman > > Ansoft Corporation > > SI Group Manager, U.S./Sr. Technical Engineer, Asia > > > > phone: 408-261-9095 x201 > > fax: 408-261-1245 > > ----------------------------------------------------------------- > > > > "Marowsky, Rich" wrote: > > > > > > Hello Folks; > > > > > > Looking for Pros & Cons of Ansoft's HFSS, Vs CST's MicroWave > Studios 3D > > > electrical simulation software. The application is connector > > modeling and > > > full-wave Spice circuit extraction. 1 -2 GHz Range > > > > > > Thanks! > > > > > > Rich Marowsky > > > Principle Product Test & Design Engineering > > > > > > Insilco Technologies -- Stewart Connector Systems > > > 11118 Susquehanna Trail South > > > Glen Rock, PA 17327 > > > Phone: 717-235-7512, Ext 3083 > > > Fax: 717-235-8414 > > > Email: [email protected] > > > > **** To unsubscribe from si-list or si-list-digest: send e-mail to > > [email protected]. In the BODY of message put: UNSUBSCRIBE > > si-list or UNSUBSCRIBE si-list-digest, for more help, put HELP. > > si-list archives are accessible at http://www.qsl.net/wb6tpu > > **** > > > >
**** To unsubscribe from si-list or si-list-digest: send e-mail to [email protected]. In the BODY of message put: UNSUBSCRIBE si-list or UNSUBSCRIBE si-list-digest, for more help, put HELP. si-list archives are accessible at http://www.qsl.net/wb6tpu ****
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