Re: NEC-List: Wire Radi to printed conductor?

At 10:50 AM -0400 5/9/02, Wayne Shanks wrote:
>Now that I look at this formula, I seems some what funny.
>
>Do I interpret this correctly when I say that a 1mm wide strip can be
>approximated by a wire of diameter 8mm...[?]
>----- Original Message -----
>From: "Chuck Counselman" <ccc_at_space.mit.edu>
>To: "Wayne Shanks" <wshanks_at_matricsrfid.com>
>Cc: <nec-list_at_gweep.ca>
>Sent: Thursday, May 09, 2002 9:22 AM
>Subject: Re: NEC-List: Wire Radi to printed conductor?
>
> > At 9:15 AM -0400 5/9/02, Wayne Shanks wrote:
> >>Has anybody looked into the relation between a NEC wire of radius r and a
> >>printed conductor (copper trace or other such thing) of width 2r.
> >
>> The answer is that a wire of radius r is equivalent to a thin flat
> > strip of width w if r = w/4.

No. If the strip width, w, is equal to 1 mm, then the wire radius, r
= w/4, is equal to 0.25 mm.

The wire diameter, equal to 2r, would be 0.5 mm -- not 8 mm.

-Chuck.

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