IEICE Electronics Express
Online ISSN : 1349-2543
ISSN-L : 1349-2543
LETTER
Compact Elliptic function Lowpass Filter based on Defected Ground Structure
Reza RouhiChangiz GhobadiJavad NouriniaSaeid Pirani
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JOURNALS FREE ACCESS

2010 Volume 7 Issue 6 Pages 434-439

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Abstract

A compact microstrip lowpass filter (LPF) with prominent cutoff sharpness and wide stopband is presented. The microstrip LPF is composed of a broadened microstrip line on the top side of the microstrip structure, an H-shaped defected ground structure (DGS) and a modified dumbbell (DB) DGS in the ground plane. It has a simple design procedure and easily can be tuned. The designed filter is developed and experimental results show that it has a sharp cutoff frequency response.

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© 2010 by The Institute of Electronics, Information and Communication Engineers
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