Ultra-compact shorted ring resonator bandpass filter with wide upper stopband

Tsu Wei Lin, Jen Tsai Kuo, Shyh Jong Chung

研究成果: 圖書/報告稿件的類型會議稿件同行評審

摘要

An ultra-compact second-order bandpass filter with stopband extension is implemented with shorted ring resonators.In the design, the two resonances of the structure are separately controlled by electric and magnetic coupling between the rings. Two transmission zeros on both sides of the passband are created through the multipath effect between the I/O ports. Circuit miniaturization is accomplished by attaching an open low-impedance stub to each shorted ring. The upper stopband with a rejection better than 30 dB is extended to 4.32 times the passband frequency. The circuit area is only 8.8% of that of a conventional dual-mode ring resonator filter. Measured results show good agreement with the simulation.

原文英語
主出版物標題2014 Asia-Pacific Microwave Conference Proceedings, APMC 2014
發行者Institute of Electrical and Electronics Engineers Inc.
頁面1145-1147
頁數3
ISBN(電子)9784902339314
出版狀態已出版 - 25 03 2014
事件2014 Asia-Pacific Microwave Conference, APMC 2014 - Sendai, 日本
持續時間: 04 11 201407 11 2014

出版系列

名字2014 Asia-Pacific Microwave Conference Proceedings, APMC 2014

Conference

Conference2014 Asia-Pacific Microwave Conference, APMC 2014
國家/地區日本
城市Sendai
期間04/11/1407/11/14

文獻附註

Publisher Copyright:
Copyright 2014 IEICE.

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