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Frequency notched ultra-wideband microstrip slot antenna with fractal tuning stub

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4 Author(s)
Lui, W.J. ; Lab. of Wireless Commun. & EMC, Nanjing Univ. of Posts & Telecommun., China ; Cheng, C.H. ; Cheng, Y. ; Zhu, H.

A frequency notched ultra-wideband (UWB) microstrip slot antenna with a fractal tuning stub is proposed. The antenna is similar to a conventional microstrip slot antenna, and by introducing a fractal tuning stub, frequency notched function is achieved. The antenna was studied experimentally regarding impedance bandwidth, radiation patterns and gain. The operation bandwidth of the antenna is from 2.66 to 10.76 GHz, in which a frequency notched band from 4.95 to 5.85 GHz was achieved, along with good radiation performance over the entire frequency range.

Published in:

Electronics Letters  (Volume:41 ,  Issue: 6 )