A half-wave dipole antenna is known to have a maximum effective area, given as A max .
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A half-wave dipole antenna is known to have a maximum effective area, given as Amax.
(a) Write the maximum directivity of this antenna in terms of Amax and wavelength λ.
(b) Express the current amplitude, I0, needed to radiate total power, Pr, in terms of Pr, Amax, and λ.
(c) At what values of θ and ϕ will the antenna effective area be equal to Amax?
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a From Eq 104 it follows that b Combining Eqs 64 and 65 we can write wher...View the full answer
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