Broadband bandpass filter with wide upper stopband using stub‐loaded multiple‐mode resonators | Zendy

Li F. | Zendy; Che W.Q. | Zendy; Gu L.M. | Zendy; Xue Q. | Zendy

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Broadband bandpass filter with wide upper stopband using stub‐loaded multiple‐mode resonators

Author(s) -

Li F.,

Che W.Q.,

Gu L.M.,

Xue Q.

Publication year - 2013

Publication title -

electronics letters

Language(s) - English

Resource type - Journals

SCImago Journal Rank - 0.375

H-Index - 146

ISSN - 1350-911X

DOI - 10.1049/el.2013.1609

Subject(s) - stopband , stub (electronics) , broadband , band pass filter , resonator , materials science , passband , acoustics , electronic engineering , optoelectronics , computer science , engineering , physics , telecommunications

A compact wideband filter with a wide upper stopband using stub‐loaded multiple‐mode resonators is designed. The multimode behaviour and characteristics of the proposed filter structure are studied by conventional natural modes analysis. A prototype is designed and fabricated at 1 GHz ( f 0 ) with 3 dB fractional bandwidths 102% and 20 dB stopband attenuation up to 10.75 f 0 . Good agreement between simulations and experiments is observed.

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