[SI-LIST] Re: RF via

And all this time I thought local ground was for percolators and true ground
was for expresso...

Perhaps I just drink too much coffee.

Aubrey Sparkman 
Signal Integrity 
Aubrey_Sparkman@xxxxxxxx 
(512) 723-3592



> -----Original Message-----
> From: Bill Owsley [mailto:owsley@xxxxxxxxx]
> Sent: Thursday, September 20, 2001 1:03 PM
> To: leeritchey@xxxxxxxxxxxxx
> Cc: DSWANSON@xxxxxxxxxxxxx; 'alexh@xxxxxxxxxxxxxxxx'; Si-List
> Subject: [SI-LIST] Re: RF via
> 
> 
>  if you dig down 6 feet and lie there - you are truly 
> grounded vs when you
> first fell over and hit the local ground.
> 
> I can't help it - Bill
> ground mythology tickles me to no end.
> 
> 
> At 11:55 AM 09/20/2001 , Ritchey Lee wrote:
> 
> 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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> ---------------------------- Bill Owsley,   owsley@xxxxxxxxx 
> 919) 392-8341 
> Compliance Engineer Cisco Systems 7025 Kit Creek Road POB 
> 14987 RTP. NC.
> 27709 
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