[SI-LIST] Re: RLC value extraction for power plane
- From: "Carrier, Patrick" <Patrick_Carrier@xxxxxxxxxx>
- To: Michael Greim <mgreim001@xxxxxxxxx>
- Date: Fri, 5 Aug 2011 17:54:30 +0000
Hi Michael-
Yes, HyperLynx PI also performs DC Drop analysis. As you indicate, this is the
other big issue when designing a PDN.
There is a lot more information, including several on-demand seminars and white
papers, at:
http://www.mentor.com/products/pcb-system-design/circuit-simulation/hyperlynx-power-integrity/
for those interested.
Thanks.
--Pat
Patrick Carrier
Mentor Graphics
High Speed Design
www.hyperlynx.com<http://www.hyperlynx.com>
From: Michael Greim [mailto:mgreim001@xxxxxxxxx]
Sent: Friday, August 05, 2011 12:38 PM
To: Carrier, Patrick
Cc: Benny Luiss; si-list@xxxxxxxxxxxxx
Subject: Re: [SI-LIST] Re: RLC value extraction for power plane
Hi Pat,
This is a little different than the original question but will
the PI tool allow to check for IR drop across the distribution
path to make sure that the last load has enough voltage to
operate properly or that overboost of the regulator output
to compensate for same wont provide too much V for the
first load. I have run into a couple of situations where this
has caused problems on Very low voltage (say 1Vish) and
high currents for the loads in the path. Thanks.
It's digital logic power so what could possibly happen, ryt?
Obligatory and global ;-) 8-P
Best Regards,
Michael C. Greim
And all this science they don't understand
Is just my job six days a week.....
We will either find a way or make one -Hannibal
In the middle of every difficulty lies opportunity -Al Einstein
On Fri, Aug 5, 2011 at 12:45 PM, Carrier, Patrick
<Patrick_Carrier@xxxxxxxxxx<mailto:Patrick_Carrier@xxxxxxxxxx>> wrote:
Hello Benny--
You can extract a power plane (or power distribution network, a.k.a PDN) model
from HyperLynx; you need to be using HyperLynx PI.
If you just want to view the PDN impedance, you can run a decoupling analysis
(Simulate PI -> Analyze Decoupling).
If you want to extract a model, go to Export -> PDN Model.
If you don't want the model in S-parameter format, in the Touchstone Viewer,
select Convert -> To Fitted Poles and Convert -> Export Equivalent Circuit.
Customer support is very good at handling these types of questions. Don't
hesitate to contact support and/or your local AE.
--Pat
Patrick Carrier
Mentor Graphics
High Speed Design
www.hyperlynx.com<http://www.hyperlynx.com/>
-----Original Message-----
From: si-list-bounce@xxxxxxxxxxxxx<mailto:si-list-bounce@xxxxxxxxxxxxx>
[mailto:si-list-bounce@xxxxxxxxxxxxx<mailto:si-list-bounce@xxxxxxxxxxxxx>] On
Behalf Of Benny Luiss
Sent: Friday, August 05, 2011 12:15 AM
To: si-list@xxxxxxxxxxxxx<mailto:si-list@xxxxxxxxxxxxx>
Subject: [SI-LIST] RLC value extraction for power plane
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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