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Circularly polarized proximity-coupled microstrip antennas

✍ Scribed by Yi-Lung Lee; Tsair-Rong Chen; Jeen-Sheen Row

Publisher
John Wiley and Sons
Year
2005
Tongue
English
Weight
108 KB
Volume
46
Category
Article
ISSN
0895-2477

No coin nor oath required. For personal study only.

✦ Synopsis

A novel design for the production of circularly polarized radiation (CP) in proximity-fed microstrip antennas is presented. To achieve this circular-polarization design, the two orthogonal modes of the microstrip antenna are excited in series through the proximity coupling of an L-shaped open microstrip line. The experimental results

show that the 3-dB axial-ratio CP bandwidth of the proposed design is increased by more than 30%, as compared to a conventional CP microstrip antenna of the same size. The details of the simulated and experimental results for the proposed design are presented and discussed.

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