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2013-01-14
Design of Temple Shape Slot Antenna for Ultra Wideband Applications
By
Progress In Electromagnetics Research B, Vol. 47, 405-421, 2013
Abstract
A novel design of a temple shaped printed slot antenna for circular polarization applications is presented in this paper. The slot, half trapezoidal and half semi-circular in shape, is excited by a 50 Ω CPW feed terminated with a tuning stub. Modifications of the initial design for improving return loss and circular polarization characteristics are proposed and discussed. The antenna is very compact (40 mm x 35 mm) in size and simple to design. The final version of the antenna offers an experimentally measured impedance bandwidth of 108% i.e., from 2.75 GHz to 9.25 GHz. The 3-dB axial ratio bandwidth achieved is 51.6% i.e., from 4.6 GHz to 7.8 GHz. The antenna is further characterized by a peak gain of about 5 dB and a relatively stable radiation pattern in the useful band.
Citation
Raghupatruni Ram Krishna Raj Kumar , "Design of Temple Shape Slot Antenna for Ultra Wideband Applications," Progress In Electromagnetics Research B, Vol. 47, 405-421, 2013.
doi:10.2528/PIERB12111001
http://www.jpier.org/PIERB/pier.php?paper=12111001
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