HIGH SELECTIVITY WIDEBAND BANDPASS FILTER BASED ON TRANSVERSAL SIGNAL-INTERACTION CONCEPTS LOADED WITH OPEN AND SHORTED STUBS | Zendy

Liwei Cui | Zendy; Weimin Wang | Zendy; Zheng Zhuang | Zendy; Shulan Li | Zendy; Yongle Wu | Zendy; Yuanan Liu | Zendy

Open Access

HIGH SELECTIVITY WIDEBAND BANDPASS FILTER BASED ON TRANSVERSAL SIGNAL-INTERACTION CONCEPTS LOADED WITH OPEN AND SHORTED STUBS

Author(s) -

Liwei Cui,

Weimin Wang,

Zheng Zhuang,

Shulan Li,

Yongle Wu,

Yuanan Liu

Publication year - 2016

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/pierl16101502

Subject(s) - transversal (combinatorics) , band pass filter , wideband , signal (programming language) , selectivity , filter (signal processing) , electronic engineering , computer science , engineering , mathematics , electrical engineering , chemistry , mathematical analysis , biochemistry , programming language , catalysis

A new design of high selectivity wideband bandpass filter based on transversal signalinteraction concepts loaded with open and shorted stubs is proposed in this paper. Two transmission paths are used to realize signal transmission. Path 1 is composed of a T-shaped structure with shorted stub, and Path 2 consists of two open coupled lines loaded with open stubs. A wide five-order passband and high selectivity stopband with four transmission zeros can be achieved in the proposed filter. Finally, a wideband bandpass filter operating at 3GHz with 3-dB fractional bandwidth of 83.3% (1.55 to 4.05 GHz) is designed, fabricated, and measured. Good agreement between the simulation and experiment is obtained.

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