Vol. 83

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2019-08-13

A Compact Differential-Fed UWB Antenna with Band-Notched Characteristics

By Jingjing Zhang, Tingting Chen, Lu Hua, and Weijiang Wang
Progress In Electromagnetics Research M, Vol. 83, 171-179, 2019
doi:10.2528/PIERM19060607

Abstract

A compact differential-fed ultra-wideband (UWB) antenna with single band-notched characteristicis 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 stubsare 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 3 GHz to 11 GHz, and the notch characteristic is realized in the 7.2-8.4 GHz band.

Citation


Jingjing Zhang, Tingting Chen, Lu Hua, and Weijiang Wang, "A Compact Differential-Fed UWB Antenna with Band-Notched Characteristics," Progress In Electromagnetics Research M, Vol. 83, 171-179, 2019.
doi:10.2528/PIERM19060607
http://jpier.org/PIERM/pier.php?paper=19060607

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