Miniaturized microstrip bandpass filter designed using rectangular dual spiral resonator

被引：5
|
作者：
Bukuru, Denis [1 ]
Song, Kaijun [1 ]
Ren, Xue [1 ]
Zhao, Minghua [1 ,2 ]
机构：
[1] Univ Elect Sci & Technol China, Sch Elect Engn, EHF Key Lab Sci, Chengdu 611731, Peoples R China
[2] China Acad Space Technol, Natl Key Lab Space Microwave Technol, Xian 710000, Peoples R China
来源：
AEU-INTERNATIONAL JOURNAL OF ELECTRONICS AND COMMUNICATIONS | 2014年 / 68卷 / 08期
基金：
中国国家自然科学基金;
关键词：
Miniaturized microstrip bandpass filter; Rectangular dual spiral resonator (DSR); Transmission zero; Wireless LAN;
D O I：
10.1016/j.aeue.2014.02.005
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 miniaturized microstrip bandpass filter based on a rectangular dual spiral resonator (DSR) is proposed in this paper. The rectangular DSR bandpass filter is centered at 3.65 GHz to suit for Wireless LAN (IEEE802.11y) application. The proposed filter offers transmission zero at the high side of out-of-band response. Across the bandwidth, the measured minimum insertion loss is about 1.7 dB, while the measured return loss is better than 19 dB. Measurement results are good agreement and closed to the simulated ones. The total circuit size of the miniaturized bandpass filter is about 0.145 lambda(g) by 0.135 lambda(g), where lambda(g) is the guided wavelength at 3.65 GHz. (C) 2014 Elsevier GmbH. All rights reserved.
引用
收藏
页码：706 / 709
页数：4
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