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Dual‐band planar rectangular ring microwave bandpass filter using high permittivity substrate
Author(s) -
Hsu ChengHsing,
Lin ChiaHsien,
Huang SenHung,
Hsu ChungI G.,
Yu ChengChi,
Tung HsinHan
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.22666
Subject(s) - band pass filter , microwave , microstrip , resonator , multi band device , planar , passband , materials science , electronic engineering , substrate (aquarium) , ring (chemistry) , permittivity , dielectric , optoelectronics , electrical engineering , engineering , telecommunications , computer science , chemistry , oceanography , computer graphics (images) , antenna (radio) , geology , organic chemistry
Dual‐band planar bandpass filter, using two microstrip rectangular ring resonators, is proposed for wireless LAN system such as IEEE 802.11 systems (2.4 or 5 GHz). The miniaturized bandpass filter is implemented using a high permittivity dielectric substrate. The full‐wave simulator IE3D is used to design the two coupled rectangular ring resonators. The responses of the implemented filter using Zr 0.8 Sn 0.2 TiO 4 ( ε r = 37, tan δ = 0.00012) dielectric substrates are designed at dual‐band frequencies of 2.35 and 4.7 GHz. The compacted size and good agreement have been obtained between simulations and implementation results. © 2007 Wiley Periodicals, Inc. Microwave Opt Technol Lett 49: 2236–2238, 2007; Published online in Wiley InterScience (www.interscience.wiley.com). DOI 10.1002/mop.22677
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