Miniaturization of S-band circularly polarized microstrip antenna

A S-band miniaturized circularly polarized microstrip antenna is designed and fabricated. The curved current technique is utilized, and the effective path length of current is increased by loading the U-shaped slot on the radiating patch. Thus the antenna resonant frequency can be tuned and the ante...

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Bibliographic Details
Published in:E3S web of conferences 2022-01, Vol.360, p.1065
Main Authors: Li, Mengmeng, Dou, Jiangling, Shen, Tao
Format: Article
Language:English
Subjects:
Circular polarization
Microstrip antennas
Resonant frequencies
Superhigh frequencies
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Summary:A S-band miniaturized circularly polarized microstrip antenna is designed and fabricated. The curved current technique is utilized, and the effective path length of current is increased by loading the U-shaped slot on the radiating patch. Thus the antenna resonant frequency can be tuned and the antenna can be significantly miniaturized. The experimental samples of the antenna are fabricated and tested. The measured results show that the two resonant frequencies of the miniaturized S-band circularly polarized microstrip antenna are 2.17GHz and 2.25GHz, with an impedance bandwidth (S11
ISSN:2267-1242
2555-0403
2267-1242
DOI:10.1051/e3sconf/202236001065