[SI-LIST] Re: EMI/ESD tool
- From: "Elahi, Irfan" <ielahi@xxxxxxxxxx>
- To: "gauravhada24@xxxxxxxxxxx" <gauravhada24@xxxxxxxxxxx>, "cristian.gozzi@xxxxxxxxx" <cristian.gozzi@xxxxxxxxx>, "Amit.Kumar@xxxxxxxxxxx" <Amit.Kumar@xxxxxxxxxxx>
- Date: Wed, 14 Aug 2013 17:56:26 +0000
How do we model components such as SOC's for EMI simulations? One option
is to use CPM models but not always available. Is there a way to create
measurements based model?
Regards,
Irfan
On 8/14/13 7:22 AM, "Gaurav Hada" <gauravhada24@xxxxxxxxxxx> wrote:
>Hello Amit,
>Adding onto what Cristian said.
>
>Its only ESD which needs a time domain solver as we need to provide a
>time pulse shape for the injected ESD signal. At ANSYS, we have studies
>of implementing the same using HFSS Transient solver.
>
>Regarding EMI, its a big area with many varying phenomenon like conducted
>or radiated emissions.
>The most common problem is typically radiated EMI from a PCB. This is
>best addressed by having a fast and accurate PCB solver to which we can
>add arbitrary sources. We have SIwave which is a hybrid MoM/FEM solver to
>do this.
>Other aspects are addressed by HFSS for 3D simulation, Designer/Nexxim
>for circuit analysis and others.
>
>
>Hope this helps.
>
>Best Regards,
>Gaurav
>ANSYS
>
>
>________________________________
> From: Cristian Gozzi <cristian.gozzi@xxxxxxxxx>
>To: Amit.Kumar@xxxxxxxxxxx
>Cc: "si-list@xxxxxxxxxxxxx" <si-list@xxxxxxxxxxxxx>
>Sent: Wednesday, 14 August 2013 5:47 PM
>Subject: [SI-LIST] Re: EMI/ESD tool
>
>
>Dear Amit
>usually the right numerical method for ESD investigation is a Time Domain
>solver
>
>Try with CST (transient solver) :
>http://www.cst.com/Content/Applications/Article/Electrostatic+Discharge+Mo
>delling
>
>
>or even with HFSS (transient solver)
>http://www.ansys.com/staticassets/ANSYS/Conference/Confidence/Chicago/Down
>loads/ansys-for-tablet-computer-design.pdf
>
>for EMI it depend on the electrical scale of your model!
>
>usually FDTD (time domain) is better suitable then FEM or MoM (frequency
>domain)... but let me tell you that the nowadays modern computer resources
>plus the HPC (high-performance-computer technology) allow you to solve
>very
>electrical large EMI problem with all kind of numerical methods
>
>enjoy
>
>Regards
>Cris
>
>
>2013/8/14 Amit Kumar <Amit.Kumar@xxxxxxxxxxx>
>
>> Hello Experts,
>> Do we have any tool for testing EMI/ESD issues?
>>
>> Also, please provide me some literature on root causes of EMI/ESD.
>>
>> Regards
>> Amit
>>
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