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Monopole crescent elliptical antenna with band-notched characteristics for UWB applications

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4 Author(s)
Jiao, Shengcai ; Tsinghua Space Center, Tsinghua University, Beijing 100084, China; The First Research Institute of Ministry of Public Security, Beijing 100044, China ; Ge, Ning ; Lu, Jianhua ; Jiang, Ming

A compact antenna with extended band-notched characteristics was designed for ultra wideband (UWB) communications. The antenna consists of a crescent-shaped elliptical patch with a T-shaped stub and a square ground board plane. The antenna is easily integrated with radio-frequency/microwave circuits to reduce the manufacturing cost. The central frequency and the notch bandwidth can be adjusted by changing the size of the T-shaped stub. Simulations verify the design characteristics. Measurements show that the antenna produces the UWB working bandwidth.

Published in:

Tsinghua Science and Technology  (Volume:14 ,  Issue: 4 )