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Wideband bandpass filter using microstrip ring
Author(s) -
Jung DongJin,
Lee JungKyu,
Chang Kai
Publication year - 2011
Publication title -
microwave and optical technology letters
Language(s) - English
Resource type - Journals
SCImago Journal Rank - 0.304
H-Index - 76
eISSN - 1098-2760
pISSN - 0895-2477
DOI - 10.1002/mop.25678
Subject(s) - band pass filter , wideband , microstrip , electronic engineering , filter (signal processing) , microwave , insertion loss , voltage controlled filter , high pass filter , acoustics , materials science , engineering , low pass filter , physics , telecommunications , electrical engineering
A simple design for a wideband bandpass filter is presented.A compact filter structure is achieved by placing a microstrip ring between two parallel coupling gaps. 3D electromagnetic simulation and measurement of the proposed filter validate its wideband characteristics. The proposed filter exhibits good insertion loss <1.2 dB and group delay variation <0.2 ns. Both simulated and measured results show good agreement. © 2010 Wiley Periodicals, Inc. Microwave Opt Technol Lett 53:154–155, 2011; View this article online at wileyonlinelibrary.com. DOI 10.1002/mop.25678
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