A NOVEL COMPACT ULTRAWIDEBAND (UWB) BANDPASS FILTER USING MULTIPLE-MODE RESONATOR

被引：1
|
作者：
Chen, D. [1 ]
Huang, X. D. [1 ]
Cheng, C. H. [1 ]
机构：
[1] Nanjing Univ Posts & Telecommun, Coll Elect Engn, Nanjing 210003, Peoples R China
来源：
MICROWAVE AND OPTICAL TECHNOLOGY LETTERS | 2009年 / 51卷 / 07期
关键词：
multiple-mode resonator (MMR); ultrawideband (UWB); bandpass filter (BPF); microstrip line; tapped feeding Structure;
D O I：
10.1002/mop.24424
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 letter, a novel compact ultrawideband (UWB) bandpasss filter (BPF) using the proposed multiple-mode resonator (MMR) is presented. The MMR is composed of a conventional microstrip hairpin resonator of which the two arms are connected by a section of microstrip line and a short-circuited point located in the middle of the hairpin resonator. Its first three resonant modes call be utilized to construct the UWB hand. The tapped feeding structure has been used to realize desired tight couplings for designing the UWB BPF. The filter has been investigated numerically and experimentally. Both the simulated and measured results show that the filter has good performance, such as compact size, low-insertion loss, small group delay variation, and improved out-of-hand performances. (C) 2009 Wiley Periodicals, Inc. Microwave Opt Technol Lett 51: 1662-1664, 2009; Published online in Wiley InterScience (www.interscience.wiley.com). DOI 10.1002/mop.24424
引用
收藏
页码：1662 / 1664
页数：3
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