A dual-mode wide-band bandpass filter using the microstrip loop resonator with tuning stubs

被引：6
|
作者：
Konpang, J. [1 ]
Jumneansri, C. [1 ]
Anunvrapong, P. [1 ]
Wongmethanukroah, J. [1 ]
机构：
[1] Rajamangala Univ Technol Krungthep, Fac Engn, Dept Elect & Telecommun Engn, Bangkok 10120, Thailand
来源：
2007 EUROPEAN MICROWAVE CONFERENCE, VOLS 1-4 | 2007年
关键词：
D O I：
10.1109/EUMC.2007.4405311
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：
This paper proposes a dual-mode wide-band bandpass filter using the microstrip loop resonators with tuning stubs. The filter is based on microstrip loop resonator consists of four identical branches and each branch is a microstrip open-loop element. The introduction of two outer tuning stubs connecting opposite to the ports widens the passband and sharpens the stopbands. The microstip loop resonator have a wide stopband resulting from the dispersion effect and the slow-wave effect. The filter is designed at center frequency of 2.35GHz and simulated by IE3D. The measurement of fabricated structure proposes 36% bandwidth and 0.28dB insertion loss.
引用
收藏
页码：791 / 794
页数：4
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