Title :
A general circuit model for defected ground structures in planar transmission lines
Author :
Hong, Jia-Sheng ; Karyamapudi, Bindu M.
Author_Institution :
Dept. of Electr., Heriot-Watt Univ., Edinburgh, UK
Abstract :
This paper presents a general circuit model for planar transmission line defected ground structures (DGS) that exhibits multi electromagnetic band gaps or stop bands in frequency responses. The proposed equivalent circuit consists of lumped elements that can be easily extracted from full-wave EM simulations. It is simple and accurate for modeling a wide range of DGS in microstrip and coplanar waveguide over a broad bandwidth. Excellent agreement with EM simulations/measurements is demonstrated.
Keywords :
coplanar transmission lines; coplanar waveguides; equivalent circuits; frequency response; photonic band gap; circuit model; coplanar waveguide; defected ground structure; electromagnetic band gaps; equivalent circuit; frequency response; full-wave EM simulation; microstrip waveguide; planar transmission lines; Bandwidth; Circuit simulation; Coplanar waveguides; Electromagnetic modeling; Electromagnetic waveguides; Equivalent circuits; Frequency; Microstrip; Periodic structures; Planar transmission lines; Circuit modeling; defected ground structures (DGS); electromagnetic band gaps (EBGs);
Journal_Title :
Microwave and Wireless Components Letters, IEEE
DOI :
10.1109/LMWC.2005.856832
