A NOVEL WIDEBAND BANDPASS FILTER USING STUB-LOADED RING RESONATOR AND TAPPED FEED | Zendy

Dong Chen | Zendy; Lei Zhu | Zendy; Chonghu Cheng | Zendy

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A NOVEL WIDEBAND BANDPASS FILTER USING STUB-LOADED RING RESONATOR AND TAPPED FEED

Author(s) -

Dong Chen,

Lei Zhu,

Chonghu Cheng

Publication year - 2013

Publication title -

progress in electromagnetics research letters

Language(s) - English

Resource type - Journals

SCImago Journal Rank - 0.245

H-Index - 33

ISSN - 1937-6480

DOI - 10.2528/pierl13070601

Subject(s) - stub (electronics) , wideband , band pass filter , resonator , materials science , acoustics , electronic engineering , optoelectronics , engineering , physics

A compact wideband bandpass filter is proposed in this letter by means of short-circuited-stub loaded ring resonator and tapped feed lines. After the principle of an initial filter with wide operating bandwidth is described, a prototype filter with center frequency at 3.23GHz and fractional bandwidth of 86.1% is designed and fabricated. Measured results well agree with the predicted ones, verifying the design principle.

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