Substrate Integrated Waveguide Dual Mode Filter with Circular Cavity

@article{Tang2006SubstrateIW,
  title={Substrate Integrated Waveguide Dual Mode Filter with Circular Cavity},
  author={Hong Tang and Wei Hong},
  journal={2006 Joint 31st International Conference on Infrared Millimeter Waves and 14th International Conference on Teraherz Electronics},
  year={2006},
  pages={399-399}
}
Propose a novel substrate integrated waveguide (SIW) dual mode filter with circular cavity. The configuration and the measured results show that its 3 dB bandwidth is 24.36 GHz to 25.59 GHz (1.23 GHz) with 1.71 dB insertion loss. Its stop band is from 26.00 to 31.57 GHz with rejection over 40 dB.