[SI-LIST] Re: Decoupling Analysis for analog rails
- From: steve weir <weirsi@xxxxxxxxxx>
- To: si-list@xxxxxxxxxxxxx
- Date: Wed, 20 Mar 2013 23:54:49 -0700
Balaji treat it as a parallel L || R || C in series between the nodes it
spans.
Steve.
On 3/20/2013 11:23 PM, Balaji G wrote:
> Hi all,
> We have analog and digital rails on our board. In case of Digital rails,
> we assign the VRM as source and provide the Lslew, Rflat, L0, R0 values to
> it and we get the PDN frequency response. In case of Analog rails where we
> have a ferrite between the source and load, VRM will not be present if an
> Analog net is selected. Should I consider the ferrite as source and check
> for decoupling? Is it a correct way of checking decoupling for analog
> rails? I believe most of the tools available doesn't consider the ferrite
> bead in decoupling analysis eventhough its assigned with a model. I will be
> happy to implement, if there is a suggestion.
>
> Regards,
> Balaji
>
>
> ------------------------------------------------------------------
> 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:
> //www.freelists.org/webpage/si-list
>
> For help:
> si-list-request@xxxxxxxxxxxxx with 'help' in the Subject field
>
>
> List forum is accessible at:
> http://tech.groups.yahoo.com/group/si-list
>
> List archives are viewable at:
> //www.freelists.org/archives/si-list
>
> Old (prior to June 6, 2001) list archives are viewable at:
> http://www.qsl.net/wb6tpu
>
>
>
--
Steve Weir
IPBLOX, LLC
1580 Grand Point Way
MS 34689
Reno, NV 89523-9998
www.ipblox.com
(775) 299-4236 Business
(866) 675-4630 Toll-free
(707) 780-1951 Fax
All contents Copyright (c)2012 IPBLOX, LLC. All Rights Reserved.
This e-mail may contain confidential material.
If you are not the intended recipient, please destroy all records
and notify the sender.
------------------------------------------------------------------
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:
//www.freelists.org/webpage/si-list
For help:
si-list-request@xxxxxxxxxxxxx with 'help' in the Subject field
List forum is accessible at:
http://tech.groups.yahoo.com/group/si-list
List archives are viewable at:
//www.freelists.org/archives/si-list
Old (prior to June 6, 2001) list archives are viewable at:
http://www.qsl.net/wb6tpu
Other related posts:
