A Millimeter-Wave UWB BPF Using Novel Microstrip Dual-Mode Ring Resonators with Stepped-Impedance Coupling Stuctures

被引：0
|
作者：
Ma, Zhewang [1 ]
Cai, Peng [2 ]
Kobayashi, Yoshio [1 ]
Hiramoto, Masanobu [3 ]
Kanzaki, Hitoshi [3 ]
机构：
[1] Saitama Univ, Sch Sci & Engn, Saitama 3388570, Japan
[2] Jiangxi Univ Finance & Econ, Sch Elect Sci, Nanchang 330013, Peoples R China
[3] Nippon Pillar Packing Co Ltd, Sanda 699133, Japan
来源：
2007 ASIA PACIFIC MICROWAVE CONFERENCE, VOLS 1-5 | 2007年
基金：
日本学术振兴会;
关键词：
Ultra-wideband bandpass filter; microstrip ring resonator; dual-modes; transmission zeros;
D O I：
暂无
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：
In this paper, a novel millimeter-wave ultra-wideband (UWB) bandpass filter having a midband frequency of 26.5GHz and a 3dB bandwidth of 3.4GHz is developed by using microstrip dual-mode rectangular ring resonators. Resonant properties of the microstrip dual-mode rectangular ring resonator are analyzed by using an electromagnetic simulator, and stepped-impedance parallel-coupled feed lines are invented in order to realize strong coupling between the input/output lines and the dual-mode ring resonators. The dual-mode ring resonators produce multiple transmission zeros in the stopband of the filter, as a consequence, the filter exhibits sharp attenuations near its passband, and very wide stopbands. The filter is compact in size and low-loss in passband. The measured frequency property of a fabricated filter shows favorable agreement with the predicted response.
引用
收藏
页码：2512 / +
页数：2
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