[SI-LIST] Re: RLC value extraction for power plane
- From: steve weir <weirsi@xxxxxxxxxx>
- To: Faraydon Pakbaz <pakbazf@xxxxxxxxxx>
- Date: Fri, 05 Aug 2011 05:50:53 -0700
Don, yes on both counts.
Steve.
On 8/5/2011 5:36 AM, Faraydon Pakbaz wrote:
>
> Hi Steve;
>
> This will give Impedance Transfer function and using partial fraction
> method you can convert this to RLC
> representation. Is this what you meant? Thanks.
>
> Regards;
>
> Don Pakbaz
>
>
> Inactive hide details for steve weir ---08/05/2011 04:01:18
> AM---Rohit, fit poles and zeroes to the mag/phase response.
> Steve.steve weir ---08/05/2011 04:01:18 AM---Rohit, fit poles and
> zeroes to the mag/phase response. Steve.
>
>
> From:
> steve weir <weirsi@xxxxxxxxxx>
>
> To:
> Rohit MISHRA <rohit.mishra@xxxxxx>
>
> Cc:
> "si-list@xxxxxxxxxxxxx" <si-list@xxxxxxxxxxxxx>,
> "bennyluiss@xxxxxxxxx" <bennyluiss@xxxxxxxxx>
>
> Date:
> 08/05/2011 04:01 AM
>
> Subject:
> [SI-LIST] Re: RLC value extraction for power plane
>
> Sent by:
> si-list-bounce@xxxxxxxxxxxxx
>
> ------------------------------------------------------------------------
>
>
>
> Rohit, fit poles and zeroes to the mag/phase response.
>
> Steve.
>
> On 8/5/2011 12:23 AM, Rohit MISHRA wrote:
> > Hello Benny,
> >
> >
> > Welcome to the world of Signal Integrity !! :-)
> >
> >
> > I am not sure if hyperlynx has ability to extract RLGC values but
> you can sure use other field solvers like momentum, Q3D or HFSS to
> extract RLGC/Z parameters of power plane.
> >
> > To extract RLGC value from field solver, you don't need to define
> voltage values instead you define ports at both end of traces and
> define the frequency range of interest, that's all !
> >
> > Steve,
> >
> > I understand that ac current source can be used to find complex
> impedance or PDN impedance in this case but if someone is interested
> in finding RLGC values, how is it possible to extract from PDN
> impedance ??
> >
> > Rgds,
> > Rohit
> >
> >
> >
> > -----Original Message-----
> > From: si-list-bounce@xxxxxxxxxxxxx
> [mailto:si-list-bounce@xxxxxxxxxxxxx] On Behalf Of steve weir
> > Sent: Friday, August 05, 2011 11:49 AM
> > To: si-list@xxxxxxxxxxxxx
> > Subject: [SI-LIST] Re: RLC value extraction for power plane
> >
> > Define a port and apply an AC current source at the location where you
> > want to know the impedance. Sweep the frequency range of interest. The
> > complex voltage divided by the excitation current yields the complex
> > impedance.
> >
> > Steve.
> > On 8/4/2011 10:15 PM, Benny Luiss wrote:
> >> Hi,
> >>
> >> I am Benny an SI novice.Can any one help how to extract RLC values
> for power plane. I have tried in Cadence and Hyperlynx but couldn't
> able to extract (even by removing voltage values assigned for the
> power nets).
> >> Do any other software like Ansoft or HFSS provide this?
> >>
> >>
> >> Thanks,
> >> Benny
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>
>
> --
> Steve Weir
> IPBLOX, LLC
> 150 N. Center St. #211
> Reno, NV 89501
> www.ipblox.com
>
> (775) 299-4236 Business
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--
Steve Weir
IPBLOX, LLC
150 N. Center St. #211
Reno, NV 89501
www.ipblox.com
(775) 299-4236 Business
(866) 675-4630 Toll-free
(707) 780-1951 Fax
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