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Design of multilayer triangular substrate integrated waveguide filter in LTCC
Author(s) -
Shen Wei,
Sun XiaoWei,
Yin WenYan,
Mao JunFa,
Wei QiFu
Publication year - 2009
Publication title -
microwave and optical technology letters
Language(s) - English
Resource type - Journals
SCImago Journal Rank - 0.304
H-Index - 76
eISSN - 1098-2760
pISSN - 0895-2477
DOI - 10.1002/mop.24680
Subject(s) - microwave , band pass filter , planar , spurious relationship , coupling (piping) , materials science , inverse , substrate (aquarium) , filter (signal processing) , electronic engineering , waveguide filter , waveguide , optoelectronics , engineering , electrical engineering , prototype filter , filter design , computer science , telecommunications , composite material , mathematics , oceanography , computer graphics (images) , geometry , machine learning , geology
Abstract This article proposes a four‐pole quasi‐elliptic function triangular substrate integrated waveguide bandpass filter, which was fabricated using multilayer low‐temperature cofired ceramic technology. In our design, neural network inverse model is adopted to fast capture the sizes of TSIW cavities, with the coupling matrix transformation implemented to achieve cross coupling on the basis of multilayer TSIW. A slot on the top metal layer is introduced so as to suppress the two higher spurious modes. The filter has 65% size reduction in comparison with its planar counterpart, with good agreement obtained between the simulated and measured S‐parameters. © 2009 Wiley Periodicals, Inc. Microwave Opt Technol Lett 51: 2582–2585, 2009; Published online in Wiley InterScience (www.interscience.wiley.com). DOI 10.1002/mop.24680

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