Direct-Coupled Cavity Filter in Ridge Gap Waveguide

被引：51
作者：
Sorkherizi, Milad Sharifi [1 ]
Khaleghi, Ali [1 ]
Kildal, Per-Simon [2 ]
机构：
[1] KN Toosi Univ Technol, Dept Elect & Comp Engn, Tehran 19967, Iran
[2] Chalmers Univ Technol, Dept Signals & Syst, S-41296 Gothenburg, Sweden
来源：
IEEE TRANSACTIONS ON COMPONENTS PACKAGING AND MANUFACTURING TECHNOLOGY | 2014年 / 4卷 / 03期
基金：
美国国家科学基金会;
关键词：
Bandpass filter; direct-coupled cavity filter; ridge gap waveguide; NAILS; BED;
D O I：
10.1109/TCPMT.2013.2284559
中图分类号：
T [工业技术];
学科分类号：
08 ;
摘要：
This paper describes a novel design for a direct-coupled cavity filter realization using a ridge gap waveguide technology. A ridge gap waveguide transmission line with two coaxial feed connectors is designed and operated within the frequency band of 10-13 GHz. A cavity is coupled to the transmission line to achieve bandstop filter characteristic. Then, the structure of the filter is modified in a way to generate a bandpass feature. The final manufactured prototype is a fourth-order bandpass filter, operating at the center frequency of 11.59 GHz with a bandwidth of 72 MHz. The proposed design has potential applications in channeling filters for telecommunication satellites.
引用
收藏
页码：490 / 495
页数：6
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