On 12/29/06, Peter P. <plpeter2006@yahoo.com> wrote:
> Isn't antenna maximum gain proportional to normalized area and equivalnt
> dielectric constant (or mu for magnetic antennas) ?

Sure. That's why a positive gain of say 3dBi can't be obtained with
very small surfaces even for very high dielectric constant. Designing
microstrip antennas is an art.

Vasile


 Of course it is not so
> simple but the basic principle stays the same, no ? And active antennas always
> add noise and IM2,IM3 etc.
>
> Peter P.
>
>
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