[SI-LIST] Re: [Q] IR Drop
- From: bala <balaseven@xxxxxxxxx>
- To: 김기돈 <kdkim@xxxxxxxxxxxxxx>
- Date: Fri, 8 Oct 2010 16:46:02 +0530
"It depends" on your layout design.
On 10/8/10, 김기돈 <kdkim@xxxxxxxxxxxxxx> wrote:
> Dear all mentors,
>
>
> I’m beginner at SI/PI area based on microwave eng’g.
>
> Currently, I’m doing simple example which have one voltage source(=3.3V)
> and three current sink location.
>
>
>
> Can anyone explain to me why IR drop amplitude is bigger at which smaller
> sink current passes?
>
>
>
>
>
> Stackup
>
> ------------ Signal02 VRM-----Sink(1A)-----Sink(2A)-----
> Sink(1A) : Distance from VRM
>
> ------------ PlaneVSS 3.196V 3.189V
> 3.187V : IR Drop
>
> ------------ PlaneVCC
>
> ------------ Signal01
>
>
>
>
>
> Thanks and Regards,
>
> Benjamin Kim
>
>
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--
bala
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