[SI-LIST] Re: EM simulator software?
- From: Jason Roth <jroth@xxxxxxxxxxx>
- To: "'rmartinez@xxxxxx'" <rmartinez@xxxxxx>,"'si-list@xxxxxxxxxxxxx'" <si-list@xxxxxxxxxxxxx>
- Date: Wed, 23 Oct 2002 11:12:06 -0500
Rafael,
For the greatest flexibility HFSS is the best choice. You have a
macro language for scripting operations. There is also a optimization
module and a SPICE extraction module. To increase throughput they have a
dual processor option and they have released the 64-bit code to current
users who can support it. HFSS does require a significant investment of time
to learn, but it is well supported and capable of covering the range of
features you want (antennas, embedded elements, interconnects, etc.). I
think you will find yourself brushing up on your EM fundamentals to get the
most out of it. One of the less exploited features is the field calculator.
It allows you to manipulate the data with vector and integral operations to
extract the information you want.
Another nice feature is that the 3D models you develop in HFSS are
also usable in their quasi-static tool Spicelink 3-D. If your structures are
greater than 1/10 of a wavelength it's solutions are valid and you can
extract lumped and distributed element SPICE models faster than HFSS.
Obviously the 2.5D solvers are a lot faster, but if you can only get
one solver to work with it might be better to have a 3D solver like CST
Microwave Studio or HFSS. The only limitation you will run into is not being
able to solve gigantic models (of course the 64 bit code makes for a lot of
elements and can access 20+ Gb of memory), but you can always solve smaller
portions and cascade the S-parameters together in a linear circuit simulator
(Ansoft offers a free student version that works nicely).
Regards,
Jason Roth
RF Design Engineer
Kimball Electronics Design Services
28575 Livingston Ave.
Valencia, CA 91355
Tel: (661) 775-3542 Fax:(661)775-3543
-----Original Message-----
From: Rafael Martinez [mailto:rmartinez@xxxxxx]
Sent: Wednesday, October 23, 2002 6:42 AM
To: si-list@xxxxxxxxxxxxx
Subject: [SI-LIST] EM simulator software?
Hello SI-List,
We are investigating packages, interconnects, antennas and PCB components
such as spiral inductors, capacitors... We are currently reviewing various
3D EM simulators such as HFSS, sonnet and Eagleware. Does anybody have any
previous experience with them? and which of them would you recommend? Thank
you very much in advance.
Best regards,
___________________________________________________________________
Rafael Martinez Catala Rossa Avenue, Bishopstown,
Postgraduate Research Student Cork, Ireland
Cork Institute of Technology Fax: +353 21 4326625
Electronic Engineering Dep. Tel: +353 21 4326881
http://www.cit.ie
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