InterviewSolution
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InterviewSolution
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For aperture antenna to be efficient and have high directivity, its area should be ____________(a) ≥ λ^2(b) ≥ 1/λ(c) ≤ λ^2(d) ≤ λThis question was addressed to me at a job interview.My enquiry is from Uniform Aperture Field in section Aperture Antenna of Antennas |
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Answer» CORRECT choice is (a) ≥ λ^2 To ELABORATE: Antenna with an aperture at the end is known as aperture antenna. EXAMPLE is waveguide. For aperture antenna to have high directivity its area should be ≥ λ^2. These antennas usually OPERATED at UHF and above frequencies. |
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