Title :
Miniaturized Tapered Slot Antenna With Signal Rejection in 5–6-GHz Band Using a Balun
Author :
Zhu, Fuguo ; Gao, Steven ; Ho, Anthony T S ; Abd-Alhameed, Raed A. ; See, Chan H. ; Li, Jianzhou ; Xu, Jiadong
Author_Institution :
Surrey Space Centre, Univ. of Surrey, Guildford, UK
fDate :
7/4/1905 12:00:00 AM
Abstract :
A miniaturized elliptically tapered slot antenna fed by a novel balun is proposed for directional ultrawideband (UWB) applications. The feeding configuration consists of a stepped microstrip line and a folded slotline connected with a circular slot. An arc-shaped parasitic strip is printed inside the circular slot. This design achieves the minimization of the physical size and the capability of signal rejection at 5-6 GHz with significant gain suppression of 15 dB. Both simulated and measured results confirm the advantage of the design in reducing the size of the antenna while maintaining the UWB performance with band-notched function.
Keywords :
antenna feeds; baluns; microwave antennas; slot antennas; ultra wideband antennas; arc-shaped parasitic strip; balun; band-notched function; circular slot printing; directional UWB application; directional ultrawideband application; folded slotline; frequency 5 GHz to 6 GHz; gain 15 dB; gain suppression; miniaturized elliptically tapered slot antenna fed; signal rejection; stepped microstrip line; Antenna measurements; Frequency measurement; Gain; Microstrip antennas; Slot antennas; Ultra wideband antennas; Band-notched antenna; microstrip line; slotline; tapered slot antenna; ultrawideband (UWB) antenna;
Journal_Title :
Antennas and Wireless Propagation Letters, IEEE
DOI :
10.1109/LAWP.2012.2199276
