Design of a Wideband Bandpass Filter Using Microstrip Parallel Coupled Dual-Mode Ring Resonator

被引：0

作者：

Ma, Zhewang ^{[1
]}

Sasaki, Hideyuki ^{[1
]}

Chen, Chun-Ping ^{[2
]}

Anada, Tetsuo ^{[2
]}

Kobayashi, Yoshio ^{[1
]}

机构：

[1] Saitama Univ, Grad Sch Sci & Engn, Sakura Ku, 255 Shimo Okubo, Saitama, Saitama 3388570, Japan

[2] Kanagawa Univ, High Tech Res Ctr, Yokohama, Kanagawa, Japan

来源：

2010 ASIA-PACIFIC MICROWAVE CONFERENCE | 2010年

基金：

日本学术振兴会;

关键词：

Microstrip line; ring resonator; wide-band filter; parallel-coupling; transmission zero; LOW INSERTION-LOSS; SHARP-REJECTION; COMPACT;

D O I：

暂无

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 paper, a micostrip parallel-coupled dual mode ring resonator is analyzed based on its equivalent transmission line circuit and the even- and odd-mode method. Closed-form formulas relating the transmission zeros and 3dB fractional bandwidth of the resonator to the circuit parameters are derived, and are verified effective by using a circuit simulator and an electromagnetic simulator. A bandpass filter is designed by using this type of dual-mode resonator, and it shows a wide passband with a 3dB fractional bandwidth of 30%, low reflection loss in the passband, and very sharp passband skirt property.

引用

页码：21 / 24

页数：4

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