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Active and Passive Electronic Components
Volume 27 (2004), Issue 2, Pages 119-123
http://dx.doi.org/10.1080/08827510310001616812

A New Parameter-Extraction Method for DGS and its Application to the Low-Pass Filter

1Department of Electronic Engineering, Shanghai Jiao Tong University, P.O. Box 006, No. 1954, Huashan Road, Shanghai 200030, China
2Shanghai Institute of Microsystem and Information Technology, Chinese Academy of Sciences, Shanghai 200050, China

Received 8 April 2003; Revised 28 July 2003

Copyright © 2004 Hindawi Publishing Corporation. This is an open access article distributed under the Creative Commons Attribution License, which permits unrestricted use, distribution, and reproduction in any medium, provided the original work is properly cited.

Abstract

A new and simple parameter-extraction method for the equivalent circuit of defected ground structure (DGS) is presented. Using this method, circuit simulation, based on the DGS equivalent-circuit model, show excellent agreements with the electromagnetic (EM) simulation. Further, our method is applied effectively to design a low-pass filter (LPF) with DGS. Comparison between simulation and measurement confirm the validity of the LPF configuration and design procedure. Simple structure and high power handling capability are obtained from the proposed LPF.