Re: Lumped element model limitation

From: Roy McCammon (rbmccammon_at_mmm.com)
Date: 09/28/04 

Date: Tue, 28 Sep 2004 11:33:42 -0500

tsp wrote:
> Can somebody tell me why the lumped element model breaks down when
> actual circuit impedances are very low,

I've never heard that.

> or when the length of the wire approaches the
> wavelength of the circuit's operating frequency?

Maxwell's equations are operative at all lengths
(ignoring qm). The question that really needs
to be answered is why to lumped models work
at all. 

-- 
local optimization seldom leads to global optimization
my e-mail address is: <my first name> <my last name> AT mmm DOT com

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