[SI-LIST] Re: Asymmetric differential stripline impedance
- From: "Dennis" <dennis.han@xxxxxxxxx>
- To: si-list@xxxxxxxxxxxxx
- Date: Fri, 04 Jan 2013 17:11:26 -0000
There is also Trace Analyzer from
http://www.eecircle.com/applets/TraceAnalyzerApplet/TraceAnalyzerApplet.html
and SIMIAN from UT-Austin.
Dennis
--- In si-list@xxxxxxxxxxxxxxx, "Alexander Ippich" wrote:
>
> Hi Hitesh,
>
> I am aware of two free-of-charge solvers that can calculate differential
> impedance for assymetric striplines (and other structures):
>
> 1) Multiple Dielectric Transmission Line Calculator / mdtlc
> can be found at
> http://mdtlc.sourceforge.net/
>
> 2) Multilayer Multiconductor Transmission Line 2-D and 2.5-D electromagnetic
> modeling tool suite / TNT / MMTL
> can be found at
> http://mmtl.sourceforge.net/
>
> Both of these tools should give you a first estimate on what impedance to
> expect for a given structure.
>
> Regards,
>
> _______________________________________________________________
> Alexander Ippich
> Sr. Signal Integrity Engineer
>
> Multilayer Technology GmbH & Co. KG
>
> Herrenberger Strasse 110
> 71034 Boeblingen - Germany
>
> Email alexander.ippich@...
>
> Pers. haftender Gesellschafter: Multilayer Technology Geschäftsführungs GmbH,
> Geschäftsführer: Werner Widmann
> Sitz der Gesellschaft: Böblingen, Amtsgericht Böblingen HRA242264
>
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>
>
> Endless innovation creates changes for tomorrow
>
>
>
>
> -----Original Message-----
> From: si-list-bounce@... [mailto:si-list-bounce@...] On Behalf Of Bill Hargin
> (In-Circuit Design)
> Sent: Thursday, January 03, 2013 7:01 PM
> To: hitheshn@...; 'SI-List'
> Subject: [SI-LIST] Re: Asymmetric differential stripline impedance
>
> Hi Hithesh:
>
> I can't help with "free," but we offer a tool that can help with determining
> differential impedances for assymetric striplines. (Integrated with most PCB
> design flows, as well.)
>
> I guess I can say that the 2 week evaluation software is free ... You can
> download it (the Stackup Planner eval software) from our website.
>
> BTW, "free" can become quite expensive if the results are potentially
> misleading.
>
> Bill Hargin
> In-Circuit Design, USA
> Software & SI Simulation for High-Speed PCB Design
> (425) 301-4425 * b.hargin@... * Skype: bill.hargin
> Online: www.icd.com.au
>
> -----Original Message-----
> From: si-list-bounce@... [mailto:si-list-bounce@...] On Behalf Of Hithesh
> Sent: Wednesday, January 02, 2013 9:04 PM
> To: SI-List
> Subject: [SI-LIST] Asymmetric differential stripline impedance
>
> Hi foks,
> Is there any online tool to calculate the impedance of assymetric
> differential stripline?
> I searched, nothing available for asymmetric differential. It's either
> asymmetric stripline or symmetric differential.
> How to calculate differential impedance from single ended impedance?
> This is with reference to USB signals.
>
> Thanks
> -Hithesh
>
>
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