On Thursday 01 November 2007 07:37, Russell McMahon wrote:
> Microchip AN710, which is targeted squarely at RFID
> applications, has good information on PCB inductors.

I'll check it out, thanks!


> >From long ago memory
>
>         a^2.n^2/(9a+10b)
> ...

Gotta wonder what else is in your head :-)  Although I recently needed the 
sine rule, cosine rule, and velocity/acceleration equations and was able to 
whip those outta my head with no difficulty.

Cheers,
-Neil.,

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