A COMPACT ULTRA-WIDEBAND BANDPASS FILTER WITH WLAN NOTCH BAND

被引：3
|
作者：
Hsiao, Pai-Yi [1 ]
Weng, Ro-Min [1 ]
机构：
[1] Natl Dong Hwa Univ, Dept Elect Engn, Hualien, Taiwan
来源：
MICROWAVE AND OPTICAL TECHNOLOGY LETTERS | 2009年 / 51卷 / 02期
关键词：
trilayer; bandpass filter; stepped impedance resonator; defected ground structure; IMPLEMENTATION; LINES;
D O I：
10.1002/mop.24093
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 compact ultra-wideband (UWB) bandpass filter (BPF) with notch band is presented using a trilayer structure. The band elimination is essential for preventing the strong narrow band interference from the wireless local area networks within the allocated UWB spectrum. The sharp rejection of the unwanted band is introduced by adding a U-shape resonator on the middle layer. The design is not only realized theoretically but also verified by a full-wave electromagnetic simulation. the proposed UWB BPF is fabricated by an FR4 substrate material with the permittivity of 4.4 and the thickness of 0.8 mm. The total area is 8 mm x 6 mm. (C) 2008 Wiley Periodicals, Inc. Microwave Opt Technol Lett 51: 503-507, 2009; Published online in Wiley InterScience (WWW.interscience.wiley.com). DOI 10.1002/mop.24093
引用
收藏
页码：503 / 507
页数：5
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