[SI-LIST] Re: Signal crossing Split plane
- From: steve weir <weirsi@xxxxxxxxxx>
- To: sunil_bharadwaz@xxxxxxxxx
- Date: Sun, 18 Nov 2007 02:01:26 -0800
Sunil, on the cheap Fast Henry is available free. It is the same engine
that is under the hood of Allegro PI. CST, Ansoft, & SiSoft can all
handle this problem. If the rise time on the 20MHz signals are slow and
the power supplies are well bypassed you shouldn't have a problem
passing just a few signals.
Steve.
sunil bharadwaz wrote:
> Hi ,
> I have few signals (@ 80 Mhz & 20 Mhz) crossing the split Power
> plane in the adjacent layer.
>
> The 20 Mhz signal is diffrerential signal.The 80 Mhz is a single
> ended signal.
>
> I want to analyse the affect on Signal Integrity of these two
> signals due to split plane.
>
> I believe one need to define his stack up (Including the
> split) & then extract the layout to simulate.
>
> I'am not too sure if the prevalent SI tools have an option
> of creating split planes .
>
> Pls suggest me a right tool to carry out this.Also , i'am
> looking for a free tool to start with (even if the accuracy
> is slightly limited).
>
> Thanks in Advance!!
>
> Regards
> Sunil.Bh
>
>
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