Compact Tunable Microstrip Bandpass Filters with Asymmetrical Frequency Response

被引：0
|
作者：
Tang, Wenxing [1 ]
Hong, Jia-Sheng [1 ]
Chun, Young-Hoon [1 ]
机构：
[1] Heriot Watt Univ, Dept Elect Elect & Comp Engn, Edinburgh EH14 4AS, Midlothian, Scotland
来源：
2008 EUROPEAN MICROWAVE CONFERENCE, VOLS 1-3 | 2008年
关键词：
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：
A new type of electronically tunable asymmetric frequency response bandpass filter based on dual-mode open-loop resonator is investigated. By employing the unique characteristic of the dual-mode open-loop resonator, that Is' whose two operating modes (odd-and even-modes) do not couple to each other, tuning the passband frequency becomes simple with single DC bias circuit. Two designed tunable bandpass filters of this type are demonstrated experimentally, which show more than 10 dB of return loss and less than 3 dB insertion loss over a tuning range of 12% from 0.83 to 0.93 GHz.
引用
收藏
页码：234 / 237
页数：4
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