[SI-LIST] Re: spice-impedance profile of pdn

Hi

If you want some more detailed model, then you could check my simulation 
template.
I used the QUCS free simulator, because it can handle touchstone macromodels 
from plane simulation. It also uses a DC/DC control loop model to be more 
accurate.
http://www.buenos.extra.hu/download/PowerIntegrityDesign_prj.rar
http://www.buenos.extra.hu/download/QUCS_PowerIntegrity-doc.pdf

regards,
Istvan Nagy
CCT


----- Original Message ----- 
From: "nazish irfan" <irfannazish@xxxxxxxxx>
To: <si-list@xxxxxxxxxxxxx>
Sent: Friday, May 22, 2009 10:28 PM
Subject: [SI-LIST] Re: spice-impedance profile of pdn


>
> Hi All
>
> I am trying to simulate in LT Spice  to get impedance profile of power 
> distribution network.
>
> steps I am following are:
>
> 1: make a netlist of all cap, ind and resistors
>
> 2: connecting a 1A AC current source at node 1 (input) so as to make V=Z
>
> 3: connecting a dc path resistance from node 1 to ground
>
> 4: then do AC analysis and use .NET to get Z (impedance) at node 1
>
> results I am getting does not seems to make sense
>
> Can anybody suggest me something or do anybody has done this before and 
> can give me sample netlist to get an idea.
>
> regards
> Nazish
>
>
>
>
>
>
> ------------------------------------------------------------------
> To unsubscribe from si-list:
> si-list-request@xxxxxxxxxxxxx with 'unsubscribe' in the Subject field
>
> or to administer your membership from a web page, go to:
> http://www.freelists.org/webpage/si-list
>
> For help:
> si-list-request@xxxxxxxxxxxxx with 'help' in the Subject field
>
>
> List technical documents are available at:
>                http://www.si-list.net
>
> List archives are viewable at:
> http://www.freelists.org/archives/si-list
> or at our remote archives:
> http://groups.yahoo.com/group/si-list/messages
> Old (prior to June 6, 2001) list archives are viewable at:
>  http://www.qsl.net/wb6tpu
>
>
> 

------------------------------------------------------------------
To unsubscribe from si-list:
si-list-request@xxxxxxxxxxxxx with 'unsubscribe' in the Subject field

or to administer your membership from a web page, go to:
http://www.freelists.org/webpage/si-list

For help:
si-list-request@xxxxxxxxxxxxx with 'help' in the Subject field


List technical documents are available at:
                http://www.si-list.net

List archives are viewable at:     
                http://www.freelists.org/archives/si-list
or at our remote archives:
                http://groups.yahoo.com/group/si-list/messages
Old (prior to June 6, 2001) list archives are viewable at:
                http://www.qsl.net/wb6tpu

Other related posts: