International Journal of Information Technology

, Volume 11, Issue 4, pp 875–878 | Cite as

Dual-band substrate integrated waveguide (SIW) band pass filter for scientific radar applications

  • Aman KumariEmail author
  • Dhirendra Kumar
  • Arun Kumar
Original Research


In this paper, a dual-band substrate integrated waveguide filter is proposed for 45.5–52.5 GHz and 60–62.5 GHz band. Dual-band substrate integrated waveguide filter is a three pole filter and with multiple transmission zeros. The substrate integrated waveguide (SIW) is designed by inserting metallic vias along the side walls of the substrate with specific spacing and varying diameter. A parametric study by varying the vias geometry is presented with vias diameter as 0.10, 0.12 and 0.18 mm. The return loss and insertion loss of the proposed filter are better that 15 and 1.18 dB, respectively at 0.12 mm which is the improved result as compared when the vias diameter is 0.10 mm and 0.18 mm. The fractional bandwidth is 8.9 and 4.09% from 45.5 to 52.5 GHz and 60 to 62.5 GHz, respectively.


Substrate integrated waveguide Dual-band Band pass filter Transmission zeros 


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Copyright information

© Bharati Vidyapeeth's Institute of Computer Applications and Management 2018

Authors and Affiliations

  1. 1.Department of Electronics and Communication EngineeringIFTM UniversityMoradabadIndia
  2. 2.Maharaja Surajmal Institute of TechnologyDelhiIndia
  3. 3.Department of Electronics and Communication EngineeringRKGITGhaziabadIndia

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