Abstract
In this paper, a novel orthogonal slit cut stacked circular patch antenna (SC-SCPA) is proposed for multi band operations. The antenna structure is investigated by cutting two pair of orthogonal slits on the upper patch whose effects are studied in terms of the return loss, input impedance, gain, directivity, and radiation pattern. Multiple resonances are observed that too at lower frequency signifying the compactness and multiband nature of the proposed antenna. The antenna is resonating at four operating frequencies 7.4, 9.0, 9.4, and 10.8 GHz, and 27% reduction in size is achieved by slit cut stacked patch antenna. The proposed theory which is verified by simulation and theoretical results is in good agreement with the simulated results obtained by Ansoft's HFSS. The antenna is working in X-band from 7 to 12 GHz and applications pertaining to this regime are also discussed herein. © 2012 Wiley Periodicals, Inc. Microwave Opt Technol Lett 55:873–882, 2013; View this article online at wileyonlinelibrary.com. DOI: 10.1002/mop.27416
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