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It is desired to have a circular-aperture antenna with a gain of 30 dB operating at a fre- quency of 1.5 GHz. The aperture efficiency is 75%. What should the diameter be? What is the 3 dB beamwidth?

Glencoe Physics: Principles and Problems, Student Edition

1st Edition

ISBN:9780078807213

Author:Paul W. Zitzewitz

Publisher:Paul W. Zitzewitz

Chapter26: Electromagnetism

Section: Chapter Questions

Problem 50A

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It is desired to have a circular-aperture antenna with a gain of 30 dB operating at a fre-
quency of 1.5 GHz. The aperture efficiency is 75%. What should the diameter be? What is
the 3 dB beamwidth?

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