Single-Layered SIW Post-Loaded Electric Coupling-Enhanced Structure and Its Filter Applications

  title={Single-Layered SIW Post-Loaded Electric Coupling-Enhanced Structure and Its Filter Applications},
  author={Chang Jiang You and Zhi Ning Chen and Xiao-wei Zhu and Ke Gong},
  journal={IEEE Transactions on Microwave Theory and Techniques},
A broadband post-loaded electric coupling structure in single-layered substrate integrated waveguide with enhanced coupling is proposed and investigated. The proposed structure can achieve the maximum electric coupling coefficient of more than 0.11. The effects of dimensional parameters on the electric coupling are studied by simulation. The proposed structure is verified by designing two bandpass filters, namely, a wideband fourth-order quasi-elliptic filter and a narrowband fourth-order quasi… CONTINUE READING
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