A Tunable Bandstop Resonator Based on a Compact Slotted Ground Structure

@article{Wang2007ATB,
  title={A Tunable Bandstop Resonator Based on a Compact Slotted Ground Structure},
  author={Xiaohua Wang and Bing-Zhong Wang and Hualiang Zhang and K. J. Chen},
  journal={IEEE Transactions on Microwave Theory and Techniques},
  year={2007},
  volume={55},
  pages={1912-1918}
}
A new slotted ground structure featuring compact size and spurious-free passband in the context of microstrip lines is proposed. The compactness of the new structure originates from the lengthened coupling gap in the ground. The spurious-free response in a wide passband is a result of combining both narrow and wide slots in the new structure, which effectively forms a stepped-impedance slot resonator. Compared to the previously proposed dumbbell- and H-shaped defected ground structure, over 40… CONTINUE READING
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