High Q TE01 mode DR cavity filters for wireless base stations

@article{Liang1998HighQT,
  title={High Q TE01 mode DR cavity filters for wireless base stations},
  author={X.-F. Liang and W. Dale Blair},
  journal={1998 IEEE MTT-S International Microwave Symposium Digest (Cat. No.98CH36192)},
  year={1998},
  volume={2},
  pages={825-828 vol.2}
}
This paper summarizes the state-of-the-art of high Q TE01 mode DR cavity filters for PCS wireless base station applications. The mode chart and cavity Q are computed for typical commercially-available DR materials. A new approach to suppress the spurious response of the DR cavity filter is proposed and the advantage is analyzed. Experimental 8-pole and 6-pole quasi-elliptic function filters show the typical performances. Special techniques on cross-coupling techniques are used to realize a… CONTINUE READING
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