AN ULTRA-WIDEBAND BANDPASS FILTER USING HYBRID STRUCTURE OF MICROSTRIP AND CPW

被引：8
|
作者：
Luo, Xun [1 ]
Ma, Jian-Guo [1 ]
Ma, Kaixue [2 ]
Yeo, Kiat Seng [3 ]
机构：
[1] Univ Elect Sci & Technol China, Sch Elect Engn, Chengdu 610054, Sichuan, Peoples R China
[2] ST Elect, Singapore, Singapore
[3] Nanyang Technol Univ, Singapore, Singapore
来源：
MICROWAVE AND OPTICAL TECHNOLOGY LETTERS | 2009年 / 51卷 / 10期
基金：
美国国家科学基金会;
关键词：
bandpass filter; broadside-coupled structure; coplanar waveguide (CPW); microstrip; ultra-wideband (UWB); WAVE-GUIDE STRUCTURE;
D O I：
10.1002/mop.24658
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：
An ultra-wideband (UWB) bandpass filter is proposed based on the hybrid structure of microstrip and coplanar waveguide (CPW). First, the detached-mode resonator is formed on the CPW layer, which composes a quarter-wavelength (lambda/4) multiple-mode resonator (MMR) with a short-stub and a lambda/4 single-mode resonator. Then, two lambda/4 microstrip open-stubs on the top side of the common substrate are introduced for bandwidth enhancement to meet the UWB passband limit. Quasi-elliptic function response and UWB operation are achieved. The simulated and measured results show an excellent agreement. (C) 2009 Wiley Periodicals, Inc. Microwave Opt Technol Lett 51: 2470-2473, 2009: Published online in Wiley InterScience (www.interscience.wiley.com). DOI 10.1002/mop.24658
引用
收藏
页码：2470 / 2473
页数：4
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