Compact Printed Tapered Slot Antenna for UWB
Jorge R. Costa, Carla R. Medeiros, Carlos A. Fernandes
3rd European Conference on Antennas and Propagation, 2009. EuCAP 2009.
23-27 March 2009
1479 - 1483
This paper presents a compact and low-profile printed antenna that exhibits adequate performance for UWB communications. The antenna is based on a combination of two crossed exponentially tapered slots plus a star-shaped slot to produce a completely symmetric balanced structure. The radiation pattern presents smooth frequency dependence and very stable polarization over the 3.1-10.6 GHz FCC assigned band. Results are confirmed with measurements. Figures of merit like output pulse fidelity and time window containing 90% of the transmitted energy are analyzed and showed to comply with UWB application requirements.
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