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Progress In Electromagnetics Research Letters
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A BROADBAND REFLECTARRAY USING PHOENIX UNIT CELL

By C. Tian, Y.-C. Jiao, and W.-L. Liang

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Abstract:
In this letter, a novel broadband single-layer reflectarray element composed of a circular patch and double circular ring is presented. The element in the reflectarray provides a nearly 360° linear phase range and has rebirth capability. The broadband characteristic of this reflectarray is obtained due to the sub-wavelength of the element space and the combination of two resonators of complementary size on a single layer. Then, a prime-focus 225-element microstrip reflectarray with this phoenix cell has been designed and implemented. The measured gain is 22 dBi with 1 dB drop within 29% bandwidth at the center frequency of 10 GHz.

Citation:
C. Tian, Y.-C. Jiao, and W.-L. Liang, "A Broadband Reflectarray Using Phoenix Unit Cell," Progress In Electromagnetics Research Letters, Vol. 50, 67-72, 2014.
doi:10.2528/PIERL14093003

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