Ultra-Wideband Differential Bandpass Filter With Narrow Notched Band and Improved Common-Mode Suppression by DGS

被引：56
作者：
Shi, Suyang [1 ,2 ]
Choi, Wai-Wa [1 ]
Che, Wenquan [2 ]
Tam, Kam-Weng [1 ]
Xue, Quan [3 ]
机构：
[1] Univ Macau, Dept Elect & Comp Engn, Fac Sci & Technol, Taipa, Macao, Peoples R China
[2] Nanjing Univ Sci & Technol, Dept Commun Engn, Nanjing 210094, Jiangsu, Peoples R China
[3] City Univ Hong Kong, Dept Elect Engn, Hong Kong, Hong Kong, Peoples R China
来源：
IEEE MICROWAVE AND WIRELESS COMPONENTS LETTERS | 2012年 / 22卷 / 04期
关键词：
Defected ground structure (DGS); differential-/common-mode; notched band; shorted parallel coupled-line; transversal signal-interference; RESONATOR; SIGNALS; LINE;
D O I：
10.1109/LMWC.2012.2187885
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 microstrip ultra-wideband(UWB) differential filter with narrow notched band based on the transversal signal-interference concept is presented. In order to enhance the interference immunity from undesired signals efficiently, the notched band is implemented by coupling with quarter wavelength shorted-line at input and output ports. By taking advantage of the bandgap characteristic of defected ground structure (DGS), a slot-line DGS is used for improving the common-mode rejection. In this work, at the center frequency of the notched band which is 2.45 GHz, about 7.3% bandwidth (2.35-2.53 GHz) is realized by full-wave simulator. Agreement between experiment and simulation is observed.
引用
收藏
页码：185 / 187
页数：3
相关论文
共 13 条
[1]   A Novel Ground Resonator Technique to Reduce Common-Mode Radiation on Slot-Crossing Differential Signals [J].
Chuang, Hao-Hsiang ;
Wu, Tzong-Lin .
IEEE MICROWAVE AND WIRELESS COMPONENTS LETTERS, 2010, 20 (12) :660-662
[2]   Ultra-wideband bandpass filter using broadband planar Marchand balun [J].
Feng, W. J. ;
Che, W. Q. .
ELECTRONICS LETTERS, 2011, 47 (03) :198-U69
[3]   Novel Ultra-Wideband Bandpass Filter Using Shorted Coupled Lines and Transversal Transmission Line [J].
Feng, Wenjie ;
Che, Wenquan .
IEEE MICROWAVE AND WIRELESS COMPONENTS LETTERS, 2010, 20 (10) :548-550
[4]  
Lee S. Y., 2005, P EUR MICR C PAR FRA
[5]   Compact UWB bandpass filter using stub-loaded multiple-mode resonator [J].
Li, Rui ;
Zhu, Lei .
IEEE MICROWAVE AND WIRELESS COMPONENTS LETTERS, 2007, 17 (01) :40-42
[6]   A Differential-Mode Wideband Bandpass Filter on Microstrip Line for UWB Application [J].
Lim, Teck Beng ;
Zhu, Lei .
IEEE MICROWAVE AND WIRELESS COMPONENTS LETTERS, 2009, 19 (10) :632-634
[7]   An embedded common-mode suppression filter for GHz differential signals using periodic defected ground plane [J].
Liu, Wei-Tzong ;
Tsai, Chung-Hao ;
Han, Tzu-Wei ;
Wu, Tzong-Lin .
IEEE MICROWAVE AND WIRELESS COMPONENTS LETTERS, 2008, 18 (04) :248-250
[8]   Compact UWB Bandpass Filter Based on Signal Interference Techniques [J].
Sanchez-Soriano, Miguel A. ;
Bronchalo, Enrique ;
Torregrosa-Penalva, German .
IEEE MICROWAVE AND WIRELESS COMPONENTS LETTERS, 2009, 19 (11) :692-694
[9]   Ultra-wideband (UWB) bandpass filter with embedded band notch structures [J].
Shaman, Hussein ;
Hong, Jia-Sheng .
IEEE MICROWAVE AND WIRELESS COMPONENTS LETTERS, 2007, 17 (03) :193-195
[10]  
Shi S. Y., 2011, P AS PAC MICR C AUST
12