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Novel wideband filter with a transmission zero based on split‐ring resonator DGS
Author(s) -
Hou ZhengZheng
Publication year - 2008
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.23452
Subject(s) - passband , resonator , capacitor , wideband , stub (electronics) , microstrip , microwave , electronic engineering , electrical engineering , capacitance , engineering , equivalent circuit , optoelectronics , materials science , band pass filter , physics , telecommunications , voltage , electrode , quantum mechanics
A wideband microstrip filter composed of split‐ring resonator DGS and lumped chip capacitor is presented in this article, which has a transmission zero at the right out‐of‐band. By using the equivalent‐circuit analysis and parameter extracting technology for the split‐ring resonator DGS, a band‐pass filter with a wide passband from 1 GHz to 2.4 GHz is fabricated and measured, making use of lumped chip capacitors and T‐shaped open‐circuit stub to achieve series and shunt capacitance, respectively. © 2008 Wiley Periodicals, Inc. Microwave Opt Technol Lett 50: 1691–1693, 2008; Published online in Wiley InterScience (www.interscience.wiley.com). DOI 10.1002/mop.23452