A Defected Ground Structure without Ground Contact Problem and Application to Branch Line Couplers

A new defected ground structure (DGS) microstrip line that is free from the ground contact problem is described together with its application example. The proposed DGS microstrip line adopts a double-layered substrate. The first layer contains the microstrip line and DGS patterns on the top and bott...

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Bibliographic Details
Main Authors: Jongsik Lim, Dal Ahn, Sang-Min Han, Yongchae Jeong, Haiwen Liu
Format: Article
Language:English
Published: Hindawi Limited 2013-01-01
Series:International Journal of Antennas and Propagation
Online Access:http://dx.doi.org/10.1155/2013/232317