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Low‐pass filter using a hybrid EBG structure
Author(s) -
Karim M. F.,
Liu A. Q.,
Alphones A.,
Zhang X. J.
Publication year - 2005
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.20734
Subject(s) - microwave , bandwidth (computing) , offset (computer science) , ground plane , insertion loss , band pass filter , engineering , transmission line , electronic engineering , metamaterial , electrical engineering , materials science , optoelectronics , telecommunications , computer science , antenna (radio) , programming language
This paper presents an innovative design of a hybrid electromagnetic bandgap (EBG) structure based on nonuniform period and dimensions. A high rejection bandwidth is achieved when the nonuniform period and the dimensions follow the Kaiser distribution. The EBG structures are fabricated on the transmission line and the ground plane, where the offset is one‐quarter of the EBG period. The measurement results show a low‐pass filter response up to the C‐band with insertion loss below 0.25 dB and rejection bandwidth above 12 GHz. This type of nonuniform EBG structure is more compact than the conventional uniform structure. © 2005 Wiley Periodicals, Inc. Microwave Opt Technol Lett 45: 95–98, 2005; Published online in Wiley InterScience (www.interscience.wiley.com). DOI 10.1002/mop.20734