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PIER PIER B PIER C PIER M PIER Letters PIER Photonics
2012-09-18
A Circularly Polarized Elliptical-Ring Slot Antenna Using an L-Shaped Coupling Strip
By
Mao-Ze Wang,

    Dr. Mao-Ze Wang

    National Laboratory of Antennas and Microwave Technology

    Xidian University

    China

    Homepage

Fu-Shun Zhang

    Dr. Fu-Shun Zhang

    Xidian University

    China

    Homepage

Progress In Electromagnetics Research Letters, Vol. 35, 29-35, 2012
doi:10.2528/PIERL12061312 | Google Scholar

Abstract
A circularly polarized (CP) elliptical-ring slot antenna is proposed. A tapered slot is excited by an L-shaped coupling strip. A good impedance match is obtained, and an excellent CP characteristic is achieved. The antenna has been investigated numerically, and prototype of the presented antenna is fabricated and tested. The measured results show that the antenna has a bandwidth of 37.5% (3.9 GHz-5.7 GHz) for return loss less than -10 dB and 34.7% (3.8 GHz-5.4 GHz) for average axial ratio (AR) less than 3 dB. The proposed antenna provides good CP performance.
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Citation
Mao-Ze Wang, and Fu-Shun Zhang, "A Circularly Polarized Elliptical-Ring Slot Antenna Using an L-Shaped Coupling Strip," Progress In Electromagnetics Research Letters, Vol. 35, 29-35, 2012.
doi:10.2528/PIERL12061312
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