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Dielectric resonator, and microwave filter provided therewith

  • US 5,859,574 A
  • Filed: 10/08/1996
  • Issued: 01/12/1999
  • Est. Priority Date: 10/09/1995
  • Status: Expired due to Fees
First Claim
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1. A dielectric resonator, comprising a resonator housing;

  • and at least one dielectric insert located in said resonator housing, said at least one insert having means for providing modes with a same resonance frequency, wherein a sufficiently high modes distance is obtainable, and suppressing a base mode, said means including at least two symmetrical slots which are located opposite to one another and extend radially far relative to a center of said insert for providing modes with a same resonance frequency, wherein a sufficiently high modes distance is obtainable, and suppressing a base mode.

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