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Design of a dual‐band waveguide filter based on micromachining fabrication process
Author(s) -
Cao Xin,
Tang Zongxi,
Bao Jingfu
Publication year - 2016
Publication title -
iet microwaves, antennas and propagation
Language(s) - English
Resource type - Journals
SCImago Journal Rank - 0.555
H-Index - 69
eISSN - 1751-8733
pISSN - 1751-8725
DOI - 10.1049/iet-map.2015.0489
Subject(s) - fabrication , surface micromachining , materials science , process (computing) , waveguide filter , dual (grammatical number) , waveguide , band pass filter , electronic engineering , optoelectronics , filter (signal processing) , computer science , engineering , electrical engineering , prototype filter , filter design , medicine , alternative medicine , pathology , art , literature , operating system
In this study, a dual‐band waveguide filter based on micromachining fabrication process in terahertz is proposed. The proposed filter employs a pair of four‐stage rectangular waveguide resonators based on the parallel structure and the centre frequencies of the two passbands are designed at 240 and 300 GHz with the relative bandwidths of 4.2 and 3.3%. The isolation between the two passbands has been achieved over 40 dB. The simulated and measured results are in good agreement and the proposed filter can be applied in the millimetre wave communication systems.

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