SHUNT POSTS IN MICROSTRIP TRANSMISSION-LINES

被引：25

作者：

FINCH, KL

ALEXOPOULOS, NG

机构：

[1] Electrical Engineering Department, University of California Los Angeles

来源：

IEEE TRANSACTIONS ON MICROWAVE THEORY AND TECHNIQUES | 1990年 / 38卷 / 11期

关键词：

D O I：

10.1109/22.60003

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：

Shunt posts in open microstrip lines are analyzed by employing the planar waveguide model. A multipole expansion method with greatly enhanced efficiency and accuracy has been achieved with the development of very fast algorithms for the computation of Schloemilch-type series. The method applies to perfectly conducting, imperfectly conducting, and composite shunt posts. This approach is compared with the standard point matching technique for perfectly conducting posts. The two methods are found to be in excellent agreement in regions of overlapping applicability. Applications to microstrip short circuits, cavity filters, and single dielectric post filters are discussed and illustrated. © 1990 IEEE

引用

页码：1585 / 1594

页数：10

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