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V-band cross-coupled SIW band-pass filter with an antisymmetric U-slot negative coupling structure

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  • Zengxu Guo
  • Kuo-Sheng Chin
  • Wenquan Che
  • Chih-Chun Chang

Abstract

This study presents an low-temperature cofired ceramic (LTCC) V-band cross-coupled band-pass filter using substrate-integrated waveguide cavities. Two antisymmetric U-shaped slots connected by via is proposed to construct the negative coupling structure, which is simple and especially useful for 60 GHz applications. Moreover, the U-slot structure possesses a wide range of realizable coupling coefficients from −0.008 to −0.075. An experimental LTCC fourth-order filter was fabricated for demonstration, achieving a bandwidth of 12% (7.2 GHz) at 59.6 GHz with superior frequency selectivity.

Suggested Citation

  • Zengxu Guo & Kuo-Sheng Chin & Wenquan Che & Chih-Chun Chang, 2013. "V-band cross-coupled SIW band-pass filter with an antisymmetric U-slot negative coupling structure," Journal of Electromagnetic Waves and Applications, Taylor & Francis Journals, vol. 27(8), pages 953-961, May.
    • Handle: RePEc:taf:tewaxx:v:27:y:2013:i:8:p:953-961
    DOI: 10.1080/09205071.2013.793620
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