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Design a Dolph-Tschebyscheff broadside array of 8 elements, 25-dB sidelobe level, and with a  spacing of λ/2 between the elements to operate at 3 GHz. Choose a “rectangular patch” or a  "dipole" antenna as the array element that operates at 3 GHz. For the final antenna design,  determine the:  • Half-power beamwidth (in degrees). How much narrower or wider (in degrees) is this half-power beamwidth compared to that of a uniform array of the same number of elements and spacing? • How much smaller or larger (in dB) is the gain (in dB) compared to that of a uniform array of the same number of elements and spacing? Justify you answer. Do you expect it? Why?

Design a Dolph-Tschebyscheff broadside array of 8 elements, 25-dB sidelobe level, and with a  spacing of λ/2 between the elements to operate at 3 GHz. Choose a “rectangular patch” or a  "dipole" antenna as the array element that operates at 3 GHz. For the final antenna design,  determine the:  • Half-power beamwidth (in degrees). How much narrower or wider (in degrees) is this half-power beamwidth compared to that of a uniform array of the same number of elements and spacing? • How much smaller or larger (in dB) is the gain (in dB) compared to that of a uniform array of the same number of elements and spacing? Justify you answer. Do you expect it? Why?

Introductory Circuit Analysis (13th Edition)
Introductory Circuit Analysis (13th Edition)
13th Edition
ISBN:9780133923605
Author:Robert L. Boylestad
Publisher:Robert L. Boylestad
Chapter1: Introduction
Section: Chapter Questions
Problem 1P: Visit your local library (at school or home) and describe the extent to which it provides literature...
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Design a Dolph-Tschebyscheff broadside array of 8 elements, 25-dB sidelobe level, and with a 
spacing of λ/2 between the elements to operate at 3 GHz. Choose a “rectangular patch” or a 
"dipole" antenna as the array element that operates at 3 GHz. For the final antenna design, 
determine the: 

• Half-power beamwidth (in degrees). How much narrower or wider (in degrees) is this
half-power beamwidth compared to that of a uniform array of the same number of
elements and spacing?
• How much smaller or larger (in dB) is the gain (in dB) compared to that of a uniform
array of the same number of elements and spacing? Justify you answer. Do you expect
it? Why?

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