Dielectric resonator and dielectric filter, transceiver, and base station to which dielectric resonator is applied

Patent metadata

Field	Value
Publication number	US-10978776-B2
Application number	US-201816170828-A
Country	US
Kind code	B2
Filing date	Oct 25, 2018
Priority date	Apr 26, 2016
Publication date	Apr 13, 2021
Grant date	Apr 13, 2021

Abstract

This application relates to components of communications devices, and in particular, to a dielectric resonator and a dielectric filter, a transceiver, and a base station to which the dielectric resonator is applied. Embodiments of this application provide a dielectric resonator and a dielectric filter, a transceiver, and a base station to which the dielectric resonator is applied. The dielectric resonator includes a metal cavity and a dielectric block that is disposed in the metal cavity and that is made from a solid-state dielectric material; where sizes of the dielectric block meet c<b<a, where a, b, and c are respectively the sizes of the dielectric block in three dimensions in a three-dimensional coordinate system; a hole is disposed on the dielectric block; and a surface of the dielectric block is not metalized and is not in contact with the metal cavity.

First claim

What is claimed is:

1. A dielectric resonator, comprising a metal cavity and a dielectric block that is disposed in the metal cavity and that is made from a solid-state dielectric material; wherein sizes of the dielectric block meet c<b<a, wherein a, b, and c are respectively the sizes of the dielectric block in three dimensions in a three-dimensional coordinate system;
a plurality of holes disposed on the dielectric block symmetrically on a central line along a length of the dielectric block, wherein a single electric field forms a closed loop around all of the plurality of holes in a first resonance mode, and two or more electric fields form a closed loop around each of the plurality of holes in a second resonance mode; and
a surface of the dielectric block is not metalized and is not in contact with the metal cavity.

2. The dielectric resonator according to claim 1 , wherein the holes are a through hole or a blind hole.

3. The dielectric resonator according to claim 1 , wherein a chamfer and/or an opening groove are or is further disposed on the dielectric block.

4. A dielectric filter, comprising a dielectric resonator, wherein the dielectric resonator comprising:
a metal cavity and a dielectric block that is disposed in the metal cavity and that is made from a solid-state dielectric material; wherein
sizes of the dielectric block meet c<b<a, wherein a, b, and c are respectively the sizes of the dielectric block in three dimensions in a three-dimensional coordinate system;
a plurality of holes disposed on the dielectric block symmetrically on a central line along a length of the dielectric block, wherein a single electric field forms a closed loop around all of the plurality of holes in a first resonance mode, and two or more electric fields form a closed loop around each of the plurality of holes in a second resonance mode; and
a surface of the dielectric block is not metalized and is not in contact with the metal cavity.

5. The dielectric filter according to claim 4 , wherein the holes are a through hole or a blind hole.

6. The dielectric filter according to claim 4 , wherein a chamfer and/or an opening groove are or is further disposed on the dielectric block.

7. A transceiver, comprising a dielectric resonator, wherein the dielectric resonator comprising:
a metal cavity and a dielectric block that is disposed in the metal cavity and that is made from a solid-state dielectric material; wherein
sizes of the dielectric block meet c<b<a, wherein a, b, and c are respectively the sizes of the dielectric block in three dimensions in a three-dimensional coordinate system;
a plurality of holes disposed on the dielectric block symmetrically on a central line along a length of the dielectric block, wherein a single electric field forms a closed loop around all of the plurality of holes in a first resonance mode, and two or more electric fields form a closed loop around each of the plurality of holes in a second resonance mode; and
a surface of the dielectric block is not metalized and is not in contact with the metal cavity.

8. The transceiver according to claim 7 , wherein the holes are a through hole or a blind hole.

9. The transceiver according to claim 7 , wherein a chamfer and/or an opening groove are or is further disposed on the dielectric block.

Assignees

• Huawei Tech Co Ltd

Inventors

• Pu Guosheng
• Shi Jing
• Ichikawa Masaru
• Shen Zhen

Classifications

• H01P1/2086

  multimode · CPC title

• H01P7/105 Primary

  Multimode resonators · CPC title

• H01P1/20

  Frequency-selective devices, e.g. filters · CPC title

• H04W88/02

  Terminal devices · CPC title

• H04W88/08

  Access point devices · CPC title