Compact UWB bandpass filter with two notched bands based on electromagnetic bandgap structures

被引：30
|
作者：
Liu, B. -W. [1 ]
Yin, Y. -Z. [1 ]
Yang, Y. [1 ]
Jing, S. -H. [1 ]
Sun, A. -F. [1 ]
机构：
[1] Xidian Univ, Sci & Technol Antenna & Microwave Lab, Xian 710071, Shaanxi, Peoples R China
来源：
ELECTRONICS LETTERS | 2011年 / 47卷 / 13期
关键词：
MULTIPLE-MODE RESONATOR;
D O I：
10.1049/el.2011.1281
中图分类号：
TM [电工技术]; TN [电子技术、通信技术];
学科分类号：
0808 ; 0809 ;
摘要：
A novel and compact ultra-wideband (UWB) bandpass filter with dual narrow notched bands based on two mushroom-type electromagnetic bandgap (EBG) structures is presented. The UWB BPF comprises two coupled lines which are coupled to the open-ended coplanar waveguide on the ground and two EBG structures near the feedline. By simply adjusting the dimensions of the two EBG structures, the centre frequencies of the notched bands can be allocated at 5.2 and 5.8 GHz, respectively. The UWB bandpass filter has been simulated, fabricated and measured, with good agreement between the simulated and measured results. The two notched bands of the BPF centred at 5.2 and 5.8 GHz have 10 dB fractional bandwidths of about 5.7 and 3.4%, respectively.
引用
收藏
页码：757 / U46
页数：2
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