A Printed Dipole Antenna With Optimised Tapered Feeding Balun For ISM and FWA Bands

This paper presents a wideband printed dipole antenna element. The broad bandwidth is achieved by optimization of the feeding network, which is implemented as a microstrip tapered balun. The design is based on the double-sided flat dipole implementation. The prototype antenna exhibits a measured impedance bandwidth of 58% (VSWR<2), operating over the entire 2.4 GHz ISM band and the 3.6 GHz FWA band.

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