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Why we do not consider loop antenna phased array?

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saif haider

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the phased array normaly studied at B.Sc level only takes dipole antenna consideration and most of the books also consider the dipole antenna array for phased array but a question normally raises that why we not consider loop antenna phased array.
 

Re: phased array

In general, once given the hypotesis of neglecting mutual coupling and border effects (large arrays), one can consider whatever kind of antennas to realize a PA.

Probably, the reason why the spiral antenna is not considered is the same of the short dipole antenna: infact spiral antenna can be compared to a short magnetic dipole, therefore it has a very poor radiating behavior.

Tipically, B.Cs textbook on antenna arrays consider only the half wavelength dipole antenna case..and since no equivalent in terms of magnetic dipole exists (there is no half wavelength magnetic dipole antenna) the spiral antenna case is disregarded.

This is my opinion.

Bye.
 

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