Full-wave analysis of fundamental modes of a multicoupled strip line with ferroelectric film

被引：0

作者：

Vendik, IB ^{[1
]}

Vendik, OG

Gashinova, MS

Deleniv, AN

机构：

[1] St Petersburg State Electrotech Univ, St Petersburg 197376, Russia

[2] Chalmers Univ Technol, SE-41296 Gothenburg, Sweden

来源：

TECHNICAL PHYSICS LETTERS | 2005年 / 31卷 / 01期

关键词：

D O I：

10.1134/1.1859504

中图分类号：

O59 [应用物理学];

学科分类号：

摘要：

The properties of a multicoupled microstrip line (MSL) with a thin control ferroelectric layer have been analyzed in terms of a full-wave model based on the method of moments in spectral domain. The Q values for all fundamental modes and their contributions to MSL losses are determined. It is established that various fundamental modes in multicoupled MSLs are characterized by significantly different Q values. The proposed method has been applied to the analysis of characteristics of an MSL-based ferroelectric microwave phase shifter. The figure of merit F of the phase shifter has been calculated for each fundamental mode. The results of analysis lead to a conclusion that, by exciting a fixed mode characterized by the maximum Q value, it is possible to obtain an MSL-based phase shifter possessing the optimum F at a minimum necessary level of the control voltage. (C) 2005 Pleiades Publishing, Inc.

引用

页码：68 / 71

页数：4

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