Modified maximally flat parallel‐coupled lines for band‐pass filter applications and miniaturizations | Zendy

Liu JiChyun | Zendy; Zeng BingHao | Zendy; Chang JunMao | Zendy; Chien ChiHsun | Zendy; Chang ChungChi | Zendy; Chang DauChyrh | Zendy

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Modified maximally flat parallel‐coupled lines for band‐pass filter applications and miniaturizations

Author(s) -

Liu JiChyun,

Zeng BingHao,

Chang JunMao,

Chien ChiHsun,

Chang ChungChi,

Chang DauChyrh

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.23243

Subject(s) - resonator , microwave , insertion loss , materials science , coupling (piping) , filter (signal processing) , optoelectronics , band pass filter , reduction (mathematics) , electronic engineering , symmetry (geometry) , topology (electrical circuits) , physics , electrical engineering , engineering , telecommunications , mathematics , geometry , composite material

The modified configurations of maximally flat parallel‐coupled lines (MF‐PCL) structure are introduced to improve the performance of the conventional MF‐PCL resonator. To obtain a higher rejection (−39 dB), symmetry response, wider band (BW about 32%), and less insertion loss (−0.4 dB) filters at central frequency 5.78 GHz, the modified MF‐PCL resonators by using enhanced coupling techniques are proposed herein. The size reduction of 50% is achieved. Results including surface current distributions and frequency responses are presented and discussed. © 2008 Wiley Periodicals, Inc. Microwave Opt Technol Lett 50: 902–906, 2008; Published online in Wiley InterScience (www.interscience.wiley.com). DOI 10.1002/mop.23243

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