A COMPACT SQUARE LOOP DUAL-MODE BANDPASS FILTER WITH WIDE STOP-BAND | Zendy

YunXiu Wang | Zendy; BingZhong Wang | Zendy; Jian Peng Wang | Zendy

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A COMPACT SQUARE LOOP DUAL-MODE BANDPASS FILTER WITH WIDE STOP-BAND

Author(s) -

YunXiu Wang,

BingZhong Wang,

Jian Peng Wang

Publication year - 2007

Publication title -

electromagnetic waves

Language(s) - English

Resource type - Journals

SCImago Journal Rank - 0.437

H-Index - 89

eISSN - 1559-8985

pISSN - 1070-4698

DOI - 10.2528/pier07072707

Subject(s) - band pass filter , dual mode , loop (graph theory) , square (algebra) , multi band device , dual (grammatical number) , control theory (sociology) , physics , topology (electrical circuits) , mathematics , electronic engineering , computer science , optics , telecommunications , engineering , artificial intelligence , philosophy , control (management) , linguistics , geometry , combinatorics , antenna (radio)

—A new dual-mode microstrip bandpass filter with wide stop-band is presented using the square loop resonator with tree- shaped patches attached to the four inner corners of the loop. The mode,splitting is realized by introducing a small cut locating at a 45, offset from its two orthogonal modes.,It is shown,that the dual-mode filter has a wide stop-band including the first spurious resonance frequency. The center frequency can be tuned. Moreover, the proposed filter has a smaller size compared with conventional dual- mode bandpass filters at the same central frequency.

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