MINIATURIZED DUAL-MODE SUBSTRATE INTEGRATED WAVEGUIDE (SIW) BAND-PASS FILTERS LOADED BY DOUBLE/SINGLE T-SHAPED STRUCTURES

被引：11
|
作者：
Chen, L. -N. [1 ]
Jiao, Y. -C. [1 ]
Zhang, Z. [1 ]
Zhang, F. -S. [1 ]
Chen, Y. -Y. [1 ]
机构：
[1] Xidian Univ, Natl Key Lab Antennas & Microwave Technol, Xian 710071, Shaanxi, Peoples R China
来源：
PROGRESS IN ELECTROMAGNETICS RESEARCH LETTERS | 2012年 / 29卷
基金：
新加坡国家研究基金会;
关键词：
15;
D O I：
10.2528/PIERL11112602
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 class of miniaturized dual-mode substrate integrated waveguide (SIW) band-pass filters is proposed, which are loaded by double/single T-shaped structures. By introducing a double T-shaped structure in original dual-mode SIW band-pass filter, the resonant frequency is lowered from 9.46 GHz to 8.91 GHz due to the longer effective length. The introduced single T-shaped structure performs an even lower resonant frequency of 6.88 GHz for the same reason. Compared with dual-mode band-pass filters in references, the proposed dual-mode SIW band-pass filters with double/single T-shaped structures have the advantages such as compact size (like microstrip dual mode filters) and high Q factors (like SIW dual-mode filters). The proposed filters are fabricated and measured, and the experimental results are in good agreement with simulated ones.
引用
收藏
页码：65 / 74
页数：10
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