[SI-LIST] Re: RF via

  • From: Ritchey Lee <leeritchey@xxxxxxxxxxxxx>
  • To: DSWANSON@xxxxxxxxxxxxx
  • Date: Thu, 20 Sep 2001 08:55:07 -0700

What is true ground?  What is local ground?

Lee

Dan Swanson wrote:

> Physically short, close to the component.
> Lowest impedance path possible to true ground,
> not the local ground. Via always has some
> finite inductance.
>
> Dan
>
> On Wednesday, September 19, 2001 5:14 PM, Alex Horvath
> [SMTP:alexh@xxxxxxxxxxxxxxxx] wrote:
> >
> > What are the particulars of a "rf via"?
> >
> > I'm using a component which switches at 2 Ghz that recommends the use of
> > this type of via.
> >
> >
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