Low‐loss triangular‐patch dual‐mode bandpass filter with slotted input/output | Zendy

Liu Haiwen | Zendy; Cheng Zhiqun | Zendy; Sun Lingling | Zendy

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Low‐loss triangular‐patch dual‐mode bandpass filter with slotted input/output

Author(s) -

Liu Haiwen,

Cheng Zhiqun,

Sun Lingling

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.22072

Subject(s) - passband , band pass filter , microwave , insertion loss , microstrip , resonator , degenerate energy levels , filter (signal processing) , dual mode , electronic engineering , engineering , topology (electrical circuits) , acoustics , materials science , physics , electrical engineering , telecommunications , quantum mechanics

Without any perturbations on the surface of the patch resonator or orthogonal feed lines, a novel microstrip dual‐mode triangular‐patch bandpass filter with slotted I/O is introduced in this letter. The degenerate modes are excited by the use of the slotted I/O. Also, the coupling characteristics of two degenerate modes are studied with respect to main design parameters. A dual‐mode filter with 0.8 dB insertion loss in the passband was designed and fabricated. Measurement verify the validity of the proposed design method. © 2006 Wiley Periodicals, Inc. Microwave Opt Technol Lett 49: 147–149, 2007; Published online in Wiley InterScience (www.interscience.wiley.com). DOI 10.1002/mop.22072

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