A COMPACT DIFFERENTIAL-FED UWB ANTENNA WITH BAND-NOTCHED CHARACTERISTICS | Zendy

Jingjing Zhang | Zendy; Tingting Chen | Zendy; Lu Hua | Zendy; Weijiang Wang | Zendy

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A COMPACT DIFFERENTIAL-FED UWB ANTENNA WITH BAND-NOTCHED CHARACTERISTICS

Author(s) -

Jingjing Zhang,

Tingting Chen,

Lu Hua,

Weijiang Wang

Publication year - 2019

Publication title -

progress in electromagnetics research m

Language(s) - English

Resource type - Journals

SCImago Journal Rank - 0.216

H-Index - 31

ISSN - 1937-8726

DOI - 10.2528/pierm19060607

Subject(s) - differential (mechanical device) , antenna (radio) , acoustics , telecommunications , materials science , computer science , physics , thermodynamics

A compact differential-fed ultra-wideband (UWB) antenna with single band-notched characteristic is proposed in this paper. The antenna consists of a ground plane etched with an octagonal groove and two symmetrical hexagonal radiating patches. Return loss and isolation of the antenna can be effectively reduced by loading a rectangular stub on the ground plane and etching a semi-circular groove on the radiation patch. In order to achieve a controllable single band-notched characteristic, two pairs of quarter-wavelength stubs are introduced into the grounding plane. The antenna has lower cross polarization and stable gains than conventional single feed antennas. The measured impedance bandwidth with S11 ≤ −10 dB is 114% from 3GHz to 11 GHz, and the notch characteristic is realized in the 7.2–8.4 GHz band.

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