[SI-LIST] Re: Simulating SI and PI through a "passive" backplane
- From: "Brad Brim" <bradb@xxxxxxxxxxx>
- To: "'Cuong P Nguyen'" <cuong@xxxxxxxxxxxxx>, <si-list@xxxxxxxxxxxxx>
- Date: Tue, 2 Mar 2010 19:28:01 -0800
hello Cuong,
a few DC IR drop tools support multi-board analysis, so what you want to do
is well supported commercially
cheers,
-Brad Brim
Sigrity
> -----Original Message-----
> From: si-list-bounce@xxxxxxxxxxxxx
> [mailto:si-list-bounce@xxxxxxxxxxxxx] On Behalf Of Cuong P Nguyen
> Sent: Tuesday, March 02, 2010 7:08 PM
> To: si-list@xxxxxxxxxxxxx
> Subject: [SI-LIST] Simulating SI and PI through a "passive" backplane
>
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> Anyone has any comments on simulating crosstalk on high speed
> diff pairs running through a "passive" backplane?
>
> The topology is as follow:
>
>
>
> 1. The driver resides on board #1.
>
> 2. This board connects to a passive backplane with only
> connectors.
> No other components (incl. decoupling)
>
> 3. The receiver is on board #2.
>
>
>
> My question is really on the effects of the GND and PWR
> planes (on the passive backplane) on the diff pairs and
>
> whether or not the crosstalk analysis will be accurately modeled.
>
>
>
> For Power Integrity Analysis, if the driver is on 1st board
> and receiver is on 2nd board and there are 2 connectors
>
> in between (with many pins inter-connecting the PWR and GND
> of the back plane to the PWR and GND of the
>
> 1st and 2nd board), how will the DC drop analyzed?
>
>
>
> Thanks for your feedback.
>
>
>
> ----------------------------
>
> Cuong Nguyen
>
> <http://www.edadirect.com/> edasmall2
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