一种具有三陷波特性的超宽带印刷天线设计

Abstract

Abstract:

A novel printed ultra-wideband (UWB) antenna for triple-band notched characteristic is proposed.Good impedance matching in a wide triple-band can be achieved by a copper coins shaped radiating patch and a coplanar waveguide (CPW) transmission line.It yields impedance bandwidth of 3.1~10.6 GHz with return loss S₁₁<-10 dB,except for the three subbands of 3.3~3.7 GHz for WiMAX,5.15~5.825 GHz for WLAN and 7.25~8.4 GHz for downlink of X-band.These notched subbands are obtained by etching slits and U-shaped slots on the radiating patch.The antenna was successfully fabricated and measured,showing broadband matched impedance and nearly omnidirectional radiation pattern.

Key words: Ultra-wideband antenna;band-notched;compact planar antenna;wireless communications

CLC Number:

TN822+.8

YUAN Geng,LIN Jiayang,LI Bo. Design of a UWB Printed Antenna with Triple-Band Notched Characteristic[J]., 2013, 26(1): 71-.

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Design of a UWB Printed Antenna with Triple-Band Notched Characteristic

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