SLOT-FED HIGHER-ORDER MODE FABRY-PEROT FILTERS

被引：3
|
作者：
MCCLEARY, J
LI, MY
机构：
[1] Department of Electrical Engineering, Texas A&M University, College Station, Texas
来源：
IEEE TRANSACTIONS ON MICROWAVE THEORY AND TECHNIQUES | 1993年 / 41卷 / 10期
关键词：
D O I：
10.1109/22.247914
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：
Low loss bandpass filters consisting of Fabry-Perot resonators excited by waveguide fed slots coupling to higher order resonator modes are demonstrated. For close reflector spacings, the waveguide couples efficiently through the slots to the TEM400 and TEM300 modes. The characteristics of both rectangular and circular waveguide feeds with various slot lengths and widths are presented. At X-band the filters have unloaded Q values which range from 1000 to 7000 with insertion losses less than 1 dB. The filters which have the rectangular waveguide feeds are mechanically tunable over a 20% bandwidth.
引用
收藏
页码：1703 / 1709
页数：7
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