Filter and transceiver comprising dielectric body resonators having frequency adjusting holes and negative coupling holes
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United States of America Patent
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Jun 12, 2018
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N/A
app pub date -
Nov 25, 2015
filing date -
May 31, 2013
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Abstract
Embodiments relate to the field of technologies of components of communications devices, and provide a dielectric filter, which resolves a problem that a solid dielectric filter has a difficulty in implementing capacitive coupling. The dielectric filter includes at least two dielectric resonators, where each of the dielectric resonators includes a body made of a solid-state dielectric material, and an adjusting hole located on a surface of the body. The adjusting hole is a blind hole, configured to adjust a resonance frequency of the dielectric resonator on which the blind hole is located. The bodies of all the dielectric resonators included by the dielectric filter form a body of the dielectric filter.
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