An antenna with a circular aperture has a circular beam with a beam width of 3 =at
Question:
(a) What is the antenna directivity in dB?
(b) If the antenna area is doubled, what would be the new directivity and new beam width?
(c) If the aperture is kept the same as in (a), but the frequency is doubled to 40 GHz, what would the directivity and beam width become then?
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Step by Step Answer:
a From Eq 996 D 4 B 4r 3 x 180 459 x 10 366 dB b If area is doubled it means the diameter ...View the full answer
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Related Book For 
Principles of Communications Systems, Modulation and Noise
ISBN: 978-8126556793
7th edition
Authors: Rodger E. Ziemer, William H. Tranter
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