A NOVEL DUMBBELL-SHAPED DEFECTED GROUND STRUCTURE WITH EMBEDDED CAPACITOR AND ITS APPLICATION IN LOW-PASS FILTER DESIGN | Zendy

Zhiyong Chen | Zendy; Lin Li | Zendy; Sisi Chen | Zendy

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A NOVEL DUMBBELL-SHAPED DEFECTED GROUND STRUCTURE WITH EMBEDDED CAPACITOR AND ITS APPLICATION IN LOW-PASS FILTER DESIGN

Author(s) -

Zhiyong Chen,

Lin Li,

Sisi Chen

Publication year - 2015

Publication title -

progress in electromagnetics research letters

Language(s) - English

Resource type - Journals

SCImago Journal Rank - 0.245

H-Index - 33

ISSN - 1937-6480

DOI - 10.2528/pierl15042006

Subject(s) - dumbbell , materials science , capacitor , filter (signal processing) , low pass filter , acoustics , electronic engineering , electrical engineering , engineering , physics , medicine , voltage , physical therapy

A novel dumbbell-shaped defected ground structure (DB-DGS) with embedded capacitor is presented in this paper. Compared with conventional DB-DGS structure, the proposed DB-DGS exhibits many attractive characteristics including double resonance, high Q value and compact size. The equivalent lumped circuit model for the novel DGS is developed, and its parameters are extracted. Based on this new DB-DGS, a low-pass filter (LPF) using the novel DB-DGS has been constructed, which provides a more steep rejection property, a wider stopband and compact size. The proposed structure is experimentally verified through the demonstration of a low-pass filter design.

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