US 12,706,360 B2 · Dual-mode dielectric waveguide filter and dielectric waveguide filtering apparatus

Abstract

A dual-mode dielectric waveguide filter and a filtering apparatus are provided. The dual-mode dielectric waveguide filter includes a first dielectric cavity including a first dielectric body, a second dielectric cavity including a second dielectric body, electric field directions of the first dielectric cavity and the second dielectric cavity being perpendicular to each other, and a coupling portion connected with the first dielectric body and the second dielectric body to provide a coupling of the first dielectric cavity and the second dielectric cavity, where the first dielectric body and the second dielectric body are both formed in a rectangular parallelepiped shape, the first dielectric body and the second dielectric body are arranged in a stacked manner in a first direction, and two end faces of the first dielectric cavity and the second dielectric cavity in the third direction are formed as a coupling end face.

Claims20

Dependent claims

A dual-mode dielectric waveguide filter, comprising:

a first dielectric cavity comprising a first dielectric body and a first blind hole;
a second dielectric cavity comprising a second dielectric body and a second blind hole, wherein the second dielectric body is integrally formed with the first dielectric body;
a coupling portion connecting a first side of the first dielectric body and a first side of the second dielectric body;
and
a metal plating covering outer surfaces of the first dielectric body, the second dielectric body, and the coupling portion,
wherein the first blind hole is recessed from a second side of the first dielectric body opposite to the first side of the first dielectric body, and
wherein the second blind hole is recessed from a second side of the second dielectric body opposite to the first side of the second dielectric body.

4 more elements

A dielectric waveguide filtering apparatus comprising:

at least two dual-mode dielectric waveguide filters,
wherein each of the at least two dual-mode dielectric waveguide filters comprises:
a first dielectric cavity comprising a first dielectric body and a first blind hole;
a second dielectric cavity comprising a second dielectric body and a second blind hole, wherein the second dielectric body is integrally formed with the first dielectric body;
a coupling portion connecting a first side of the first dielectric body and a first side of the second dielectric body;
and
a metal plating covering outer surfaces of the first dielectric body, the second dielectric body, and the coupling portion,
wherein the first blind hole is recessed from a second side of the first dielectric body opposite to the first side of the first dielectric body, and
wherein the second blind hole is recessed from a second side of the second dielectric body opposite to the first side of the second dielectric body.

6 more elements

Dependencies are inferred from the claim text.

Dual-mode dielectric waveguide filter and dielectric waveguide filtering apparatus

Life of this patent

Dual-mode dielectric waveguide filter and dielectric waveguide filtering apparatus

Life of this patent

Abstract

Claims20