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New microstrip fractal‐shaped triangular patch resonators filters
Author(s) -
Zhang Sheng,
Xiao Jiankang,
Li Ying
Publication year - 2007
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.22205
Subject(s) - fractal , resonator , band pass filter , microwave , filter (signal processing) , acoustics , microstrip , materials science , electronic engineering , physics , engineering , optoelectronics , mathematical analysis , mathematics , telecommunications , electrical engineering
Two types of bandpass filters using fractal‐shaped triangular resonators are proposed and optimized in this article. By using etched fractal‐shaped defected structures in the triangular patch resonators, the filters have remarkable advantages, such as compact size, high selectivity, and simple structure. The effects of varying the parameters of the fractal‐shaped structures have been studied. Measured results of the filter using three fractal‐shaped structures agree well with the simulated ones. © 2007 Wiley Periodicals, Inc. Microwave Opt Technol Lett 49: 581–583, 2007; Published online in Wiley InterScience (www.interscience.wiley.com). DOI 10.1002/mop.22205