Dual-Mode Bandpass Filter Using Microstrip SIR at Ka Band

被引：4
|
作者：
Zhang Qiu-hong [1 ]
Dong Yu-liang [1 ]
Cao Ji-gang [1 ]
机构：
[1] Univ Elect Sci & Technol China, EHF Key Lab Fundamental Sci, Chengdu 610054, Peoples R China
来源：
APMC: 2009 ASIA PACIFIC MICROWAVE CONFERENCE, VOLS 1-5 | 2009年
关键词：
dual-mode; Ka band; microstrip filter; millimeter wave; step impedance resonator (SIR);
D O I：
10.1109/APMC.2009.5384502
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 novel dual-mode bandpass filter using microstrip SIR is presented. It is composed of step impedance square ring and designed at the operating frequency of 36 GHz with a bandwidth of 1.8 GHz. The filter has a size reduction of approximately 30%, in comparison with the conventional square ring filters. It also has a good return loss. Within the passband, S11 is bellow -20dB. Because of the step impedance design, we can easily change the center frequency and the spurious response by changing the impedance ratio.
引用
收藏
页码：1401 / 1404
页数：4
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