Journal of electromagnetic engineering and science

The Korean Institute of Electromagnetic Engineering and Science (한국전자파학회)
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Novel Compact Bandpass Filter Based on Folded Half Mode Substrate Integrated Waveguide Cavities

  • Gong, Ke (State Key Laboratory of Millimeter Waves, School of Information Science and Engineering, Southeast University) ;
  • Hong, Wei (State Key Laboratory of Millimeter Waves, School of Information Science and Engineering, Southeast University) ;
  • Chen, Jixin (State Key Laboratory of Millimeter Waves, School of Information Science and Engineering, Southeast University) ;
  • Tang, Hongjun (State Key Laboratory of Millimeter Waves, School of Information Science and Engineering, Southeast University) ;
  • Hou, Debin (State Key Laboratory of Millimeter Waves, School of Information Science and Engineering, Southeast University) ;
  • Zhang, Yan (State Key Laboratory of Millimeter Waves, School of Information Science and Engineering, Southeast University)
  • Received : 2010.04.14
  • Published : 2010.09.30
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Abstract

This paper proposed a novel compact bandpass filter with folded half mode substrate integrated waveguide (FHMSIW) cavities using two-layer printed circuit board(PCB) process. The area of the FHMSIW filter is reduced by nearly 50 % and 75 % compared with half mode substrate integrated waveguide(HMSIW) filter and substrate integrated waveguide(SIW) filter, respectively. A four-pole Chebyshev FHMSIW bandpass filter at C-band has been designed, simulated and fabricated. Measured results are presented and found to agree with the full-wave simulated results by using Ansoft HFSS. The filter shows good performance and compact size.

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References

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