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Design of multilayer triangular substrate integrated waveguide filter in LTCC

✍ Scribed by Wei Shen; Xiao-Wei Sun; Wen-Yan Yin; Jun-Fa Mao; Qi-Fu Wei

Publisher
John Wiley and Sons
Year
2009
Tongue
English
Weight
428 KB
Volume
51
Category
Article
ISSN
0895-2477

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✦ Synopsis

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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