Title:
BAND-PASS FILTERING CIRCUIT AND MULTIPLEXER
Document Type and Number:
WIPO Patent Application WO/2023/147724
Kind Code:
A1
Abstract:
Disclosed in the present application are a band-pass filtering circuit and a multiplexer. The band-pass filtering circuit comprises an electromagnetic LC filtering circuit and at least two acoustic resonance units, wherein each of at least one of the at least two acoustic resonance units comprises at least one first acoustic resonator and at least one second acoustic resonator; the at least one first acoustic resonator is connected in series between a first end of the band-pass filtering circuit and a first end of the electromagnetic LC filtering circuit, and each of the at least one second acoustic resonator is connected to an end of the at least one first acoustic resonator; some of the at least two acoustic resonance units are connected to a side of an input end of the electromagnetic LC filtering circuit; and the others of the at least two acoustic resonance units are connected to a side of an output end of the electromagnetic LC filtering circuit.
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Inventors:
WANG XIAODONG (CN)
HE CHENGGONG (CN)
ZUO CHENGJIE (CN)
HE JUN (CN)
HE CHENGGONG (CN)
ZUO CHENGJIE (CN)
HE JUN (CN)
Application Number:
PCT/CN2022/117518
Publication Date:
August 10, 2023
Filing Date:
September 07, 2022
Export Citation:
Assignee:
ANHUI ANUKI TECH CO LTD (CN)
International Classes:
H03H9/64
Foreign References:
| CN114448382A | 2022-05-06 | |||
| CN211830724U | 2020-10-30 | |||
| CN109672422A | 2019-04-23 | |||
| US20190356300A1 | 2019-11-21 | |||
| JP2003243966A | 2003-08-29 | |||
| CN202210115860A | 2022-02-07 |
Attorney, Agent or Firm:
BEYOND ATTORNEYS AT LAW (CN)
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