[SI-LIST] Re: Crosstalk between two planes
- From: Shahbaz Assad <shahbaz_assad@xxxxxxxxxxx>
- To: <aneesh.govindan@xxxxxxxxx>, <jaison.fernandez@xxxxxxxxxxxx>
- Date: Thu, 17 Jun 2010 13:42:12 +0000
Hi,
SOrry not jaison but with Aneeshs stack up. (Typo on my previous email)
Thanks,
Shahbaz Assad
System design Engineer - WhizzSystems, Inc.
> Date: Thu, 17 Jun 2010 19:07:45 +0530
> Subject: [SI-LIST] Re: Crosstalk between two planes
> From: aneesh.govindan@xxxxxxxxx
> To: Jaison.Fernandez@xxxxxxxxxxxx
> CC: si-list@xxxxxxxxxxxxx
>
> Hi Jaison,
> Hope this stackup will work for you.
>
>
> 1. Top
> 2. Gnd1
> 3. Power
> 4. Sig1
> 5. Gnd2
> 6. Sig2
> 7. Gnd3
> 8. Bottom
>
> By following the above stackup crosstalk can be avoided between Sig1 and
> Sig2.
>
> --
> Warm Regards
> Aneesh G
>
>
> On Thu, Jun 17, 2010 at 1:36 PM, Jaison Fernandez (RBEI/EED2) <
> Jaison.Fernandez@xxxxxxxxxxxx> wrote:
>
> > Dear Experts,
> > I have a layer stack up like as follows:
> >
> > 1. Top
> > 2. Gnd1
> > 3. Power
> > 4. Gnd2
> > 5. Sig1
> > 6. Sig2
> > 7. Gnd3
> > 8. Bottom
> >
> >
> > My board is one which contains ATMEL AT91SAM9M10, 128MB SDRAM (166MHz), GPS
> > Chip solution, High current motor Drivers etc.
> >
> > I placed Atmel and SDRAM in bottom layer and routed the SDRAM signals in
> > Sig1 and Sig2 planes.
> > Could any one tell me the chances crosstalk between sig1 and Sig2 planes
> > and possible ways to avoid it.
> > Due to some tool limitations I can't able to due any POST SI
> > analysis.(Stack up of Layer1 to Layer 3 is fixed due to some high current
> > applications)
> >
> > Regards,
> > Jaison Fernandez
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>
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