A novel microstrip parallel-coupled line structure for ultrawideband microwave filters

被引：5

作者：

Shaman, Hussein ^{[1
,2
]}

Hong, Jia-Sheng ^{[1
,2
]}

机构：

[1] King Abdulaziz City Sci & Technol, Dept Natl Satellite Technol Program, Riyadh 11442, Saudi Arabia

[2] Heriot Watt Univ, Dept Elect Elect & Comp Engn, Sch Engn & Phys Sci, Edinburgh, Midlothian, Scotland

来源：

MICROWAVE AND OPTICAL TECHNOLOGY LETTERS | 2012年 / 54卷 / 11期

关键词：

UWB filter; microwstrip filter; three coupled lines; parallel-coupled line filters; bandpass filters; BANDPASS FILTER; PLANAR;

D O I：

10.1002/mop.27146

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 configuration of microstrip three parallel-coupled line structure is proposed in this letter. This new structure consists of only one section of three parallel-coupled lines to design a compact ultrawideband (UWB) bandpass filter to obtain the Federal Communications Commission's spectrum mask. To create transmission zeros around the desired UWB passband, the middle line of the three coupled lines is extended and shortened to ground at one end. As a result, this filter significantly improves the selectivity of both edges of the UWB passband and the out-of-band characteristics. For verification, the proposed filter is designed, simulated, and fabricated where excellent agreement is obtained. (c) 2012 Wiley Periodicals, Inc. Microwave Opt Technol Lett 54:2510-2513, 2012; View this article online at wileyonlinelibrary.com. DOI 10.1002/mop.27146

引用

页码：2510 / 2513

页数：4

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