Abstract
AbstractA circularly polarized cavity‐backed crossed loop antenna is proposed in this article. The optimized overall dimensions of the antenna are 1.13λo in diameter and 0.267λo in height (λo is the free‐space wavelength at the center frequency), and the circumference of one loop is 1.1λo. Measurements show that the proposed antenna features an 81% impedance bandwidth for SWR ≤2, a 40% bandwidth for axial ratio ≤3 dB, an average gain of 10 dBi, and stable radiation patterns over the whole band from 1.42 to 2.13 GHz. © 2009 Wiley Periodicals, Inc. Microwave Opt Technol Lett 51: 1714–1718, 2009; Published online in Wiley InterScience (www.interscience.wiley.com). DOI 10.1002/mop.24406
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