CAD OF T-SEPTUM WAVE-GUIDE EVANESCENT-MODE FILTERS

被引：17

作者：

LABAY, VA

BORNEMANN, J

机构：

[1] Laboratory for Lightwave Electronics, Microwaves and Communications (LLiMiC), Department of Electrical and Computer Engineering, University of Victoria, Victoria

来源：

IEEE TRANSACTIONS ON MICROWAVE THEORY AND TECHNIQUES | 1993年 / 41卷 / 04期

关键词：

D O I：

10.1109/22.231675

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：

This paper presents a mode-matching-based design of evanescent-mode waveguide filters with T-septum shaped metal inserts. Owing to the wideband characteristics of the T-septum waveguide, the proposed design constitutes a significant improvement over common evanescent-mode filters with respect to both size reduction and stopband behavior. The theoretical approach is verified at the example of a three-resonator 8.8-GHz filter prototype of less than 3/4 inch length. The second passband is beyond 27 GHz. Since the design procedure takes higher-order mode interactions into account, good agreement between theory and experiment is obtained over the entire measurement range between 8.2 and 40 GHz.

引用

页码：731 / 733

页数：3

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