Patent ID: 11929537
Assignee: KUNSHAN LUXSHARE RF TECHNOLOGY CO., LTD.
Field: Telecommunications (Electrical engineering)
Classification: CPC H | IPC H

Claim 0:
1. A resonant filter, comprising:
a housing including an input hole, an output hole, and an accommodating cavity provided in the housing;
an input resonator located in the accommodating cavity and fixed in the housing, and including an input resonant body and an input port extending from the input resonant body and extending out of the housing through the input hole; and
an output resonator located in the accommodating cavity and fixed in the housing, and including an output resonant body and an output port extending from the output resonant body and extending out of the housing through the output hole;
wherein the input resonator and the output resonator are sheets with a metal surface or metal sheets, the input resonator body and the output resonator body respectively include a resonant rod, and the resonant rod includes an upright segment, an extension segment extending from one or both sides of the upright segment, and a first branch extending from the extension segment away from the upright segment, and an end of the upright segment away from the extension segment is connected to the housing;
wherein the housing further comprises a bottom plate portion, a side wall portion, and a cover plate portion, the side wall portion is surroundingly connected to the bottom plate portion, the side wall portion and the bottom plate portion form the accommodating cavity and an opening, one side surface of the cover plate portion covers and is fixed on the opening, the input resonant body and the output resonant body are fixed on the bottom plate portion, and the input hole and the output hole are provided on the bottom plate portion or the side wall portion.