Microstrip ring resonator based frequency reconfigurable band-pass filters at K-band

@article{Rohrdantz2014MicrostripRR,
  title={Microstrip ring resonator based frequency reconfigurable band-pass filters at K-band},
  author={Benjamin Rohrdantz and Vincent Schmidt and Arne F. Jacob},
  journal={2014 20th International Conference on Microwaves, Radar and Wireless Communications (MIKON)},
  year={2014},
  pages={1-4}
}
In this contribution two planar microstrip band-pass filters based on closed loop resonators with reconfigurable center frequency are proposed at K-band. Two geometries, a square-ring and a meander loop, are closely investigated. The frequency reconfigurability is achieved by means of PIN diodes. The filters are designed for and fabricated on a standard printed circuit board technology. Dual-mode resonators are used to obtain a compact design suitable for integration into an active antenna… CONTINUE READING

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