Dual-Band Substrate Integrated Waveguide Filter with Independently Controllable Bandwidth

被引：0
作者：
Khan, Arani Ali [1 ]
Mandal, Mrinal Kanti [1 ]
机构：
[1] Indian Inst Technol Kharagpur, Dept E & ECE, Kharagpur 721302, W Bengal, India
来源：
2016 ASIA-PACIFIC MICROWAVE CONFERENCE (APMC2016) | 2016年
关键词：
bandpass filter; dual-band filter; substrate integrated waveguide (SIW); DESIGN;
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 dual-band bandpass filter is proposed in substrate integrated waveguide (SIW) technology. A single cavity that supports both TE101 and TE201 resonating modes is used for the design. The two passbands are created by the two modes. To improve the selectivity, one bypass coupling path is introduced which provides additional transmission zero. The procedures to control the passband center frequencies as well as their bandwidths are presented. A prototype narrowband bandpass filter with the center frequencies of two passbands as 10 GHz and 11 GHz is fabricated for space applications. The 3 dB fractional bandwidths are 3% and 1.6%, respectively. The measured insertion losses at the passband center frequencies are 1.4 dB and 2.6 dB, respectively.
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页数：4
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