[SI-LIST] Re: Via Inductance Formula Assumptions

Merrick,

This topic was covered quite extensively - I think about 2 years ago.  I 
believe that Dr. Johnson also replied and cleared things up quite well.  
Possibly I'm thinking of via capacitance instead of inductance - but perhaps 
you should visit the archives.

Mike

On Wed August 27 2003 3:47 pm, Moeller, Merrick wrote:
> What assumptions are made with Dr. Howard Johnson's via
> inductance approximaiton:
> L=5.08h (ln(4h/d) + 1)
>
> Where is the return path located? Does this apply to an
> an array of vias?
>
> Merrick M. Moeller
>
>
>
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-- 
         Mike Degerstrom  email: degers@xxxxxxxxxxxxxxxxxxxx
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