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Title: A Compact Ultra-wideband Bandpass Filter with Low Insertion Loss Using Stub Circuits with Defected Ground Structure
Authors: Wen-Jeng Lin;I-Tseng Tang;Ding-Bing Lin;Chi-Min Li;Min-Yuan Chiu;Mau-Phon Houng
Contributors: NTOU:Department of Communications Navigation and Control Engineering
Date: 2008-07-02
Issue Date: 2011-10-21T02:35:56Z
Publisher: Electromagnetics Research Symposium
Abstract: Abstract:A novel ultra-wideband (UWB) bandpass -lter is proposed, designed and imple-mented. The UWB bandpass ¯lter (BPF) is designed for short-circuited stubs with defected ground structure (DGS). The rectangular slot provides attenuation pole to suppress the spuri- ous in the stopband. The quarter-wavelength short-circuited stubs are used to realize the lower stopband, and the etching on the ground plane with rectangular slots is employed to attenuate the upper stopband. Both simulated and measured results show that the ¯lter has a good performance, including an ultra-wideband bandpass (3.1{10.6 GHz), a small insertion loss, a group delay variation of less than 0.12 ns.
Relation: pp.562-565
Appears in Collections:[Department of Communications Navigation and Control Engineering] Lecture & Seminar

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