CN118489213A - 滤波器设备、分波器以及通信装置 - Google Patents

滤波器设备、分波器以及通信装置 Download PDF

Info

Publication number
CN118489213A
CN118489213A CN202380016032.8A CN202380016032A CN118489213A CN 118489213 A CN118489213 A CN 118489213A CN 202380016032 A CN202380016032 A CN 202380016032A CN 118489213 A CN118489213 A CN 118489213A
Authority
CN
China
Prior art keywords
filter
elastic wave
filter device
resonance
piezoelectric film
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Pending
Application number
CN202380016032.8A
Other languages
English (en)
Chinese (zh)
Inventor
笠松直史
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Kyocera Corp
Original Assignee
Kyocera Corp
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Kyocera Corp filed Critical Kyocera Corp
Publication of CN118489213A publication Critical patent/CN118489213A/zh
Pending legal-status Critical Current

Links

Classifications

    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04B—TRANSMISSION
    • H04B1/00—Details of transmission systems, not covered by a single one of groups H04B3/00 - H04B13/00; Details of transmission systems not characterised by the medium used for transmission
    • H04B1/005—Details of transmission systems, not covered by a single one of groups H04B3/00 - H04B13/00; Details of transmission systems not characterised by the medium used for transmission adapting radio receivers, transmitters andtransceivers for operation on two or more bands, i.e. frequency ranges
    • H04B1/0053—Details of transmission systems, not covered by a single one of groups H04B3/00 - H04B13/00; Details of transmission systems not characterised by the medium used for transmission adapting radio receivers, transmitters andtransceivers for operation on two or more bands, i.e. frequency ranges with common antenna for more than one band
    • H04B1/0057—Details of transmission systems, not covered by a single one of groups H04B3/00 - H04B13/00; Details of transmission systems not characterised by the medium used for transmission adapting radio receivers, transmitters andtransceivers for operation on two or more bands, i.e. frequency ranges with common antenna for more than one band using diplexing or multiplexing filters for selecting the desired band
    • H—ELECTRICITY
    • H03—ELECTRONIC CIRCUITRY
    • H03H—IMPEDANCE NETWORKS, e.g. RESONANT CIRCUITS; RESONATORS
    • H03H7/00—Multiple-port networks comprising only passive electrical elements as network components
    • H03H7/01—Frequency selective two-port networks
    • H—ELECTRICITY
    • H03—ELECTRONIC CIRCUITRY
    • H03H—IMPEDANCE NETWORKS, e.g. RESONANT CIRCUITS; RESONATORS
    • H03H7/00—Multiple-port networks comprising only passive electrical elements as network components
    • H03H7/01—Frequency selective two-port networks
    • H03H7/0115—Frequency selective two-port networks comprising only inductors and capacitors
    • H—ELECTRICITY
    • H03—ELECTRONIC CIRCUITRY
    • H03H—IMPEDANCE NETWORKS, e.g. RESONANT CIRCUITS; RESONATORS
    • H03H9/00—Networks comprising electromechanical or electro-acoustic elements; Electromechanical resonators
    • H03H9/02—Details
    • H03H9/02535—Details of surface acoustic wave devices
    • H03H9/02543—Characteristics of substrate, e.g. cutting angles
    • H03H9/02559—Characteristics of substrate, e.g. cutting angles of lithium niobate or lithium-tantalate substrates
    • H—ELECTRICITY
    • H03—ELECTRONIC CIRCUITRY
    • H03H—IMPEDANCE NETWORKS, e.g. RESONANT CIRCUITS; RESONATORS
    • H03H9/00—Networks comprising electromechanical or electro-acoustic elements; Electromechanical resonators
    • H03H9/02—Details
    • H03H9/125—Driving means, e.g. electrodes, coils
    • H03H9/13—Driving means, e.g. electrodes, coils for networks consisting of piezoelectric or electrostrictive materials
    • H—ELECTRICITY
    • H03—ELECTRONIC CIRCUITRY
    • H03H—IMPEDANCE NETWORKS, e.g. RESONANT CIRCUITS; RESONATORS
    • H03H9/00—Networks comprising electromechanical or electro-acoustic elements; Electromechanical resonators
    • H03H9/02—Details
    • H03H9/125—Driving means, e.g. electrodes, coils
    • H03H9/145—Driving means, e.g. electrodes, coils for networks using surface acoustic waves
    • H—ELECTRICITY
    • H03—ELECTRONIC CIRCUITRY
    • H03H—IMPEDANCE NETWORKS, e.g. RESONANT CIRCUITS; RESONATORS
    • H03H9/00—Networks comprising electromechanical or electro-acoustic elements; Electromechanical resonators
    • H03H9/25—Constructional features of resonators using surface acoustic waves
    • H—ELECTRICITY
    • H03—ELECTRONIC CIRCUITRY
    • H03H—IMPEDANCE NETWORKS, e.g. RESONANT CIRCUITS; RESONATORS
    • H03H9/00—Networks comprising electromechanical or electro-acoustic elements; Electromechanical resonators
    • H03H9/46—Filters
    • H03H9/54—Filters comprising resonators of piezoelectric or electrostrictive material
    • H03H9/542—Filters comprising resonators of piezoelectric or electrostrictive material including passive elements
    • H—ELECTRICITY
    • H03—ELECTRONIC CIRCUITRY
    • H03H—IMPEDANCE NETWORKS, e.g. RESONANT CIRCUITS; RESONATORS
    • H03H9/00—Networks comprising electromechanical or electro-acoustic elements; Electromechanical resonators
    • H03H9/46—Filters
    • H03H9/64—Filters using surface acoustic waves
    • H—ELECTRICITY
    • H03—ELECTRONIC CIRCUITRY
    • H03H—IMPEDANCE NETWORKS, e.g. RESONANT CIRCUITS; RESONATORS
    • H03H9/00—Networks comprising electromechanical or electro-acoustic elements; Electromechanical resonators
    • H03H9/46—Filters
    • H03H9/64—Filters using surface acoustic waves
    • H03H9/6423—Means for obtaining a particular transfer characteristic
    • H03H9/6433—Coupled resonator filters
    • H03H9/6483—Ladder SAW filters
    • H—ELECTRICITY
    • H03—ELECTRONIC CIRCUITRY
    • H03H—IMPEDANCE NETWORKS, e.g. RESONANT CIRCUITS; RESONATORS
    • H03H9/00—Networks comprising electromechanical or electro-acoustic elements; Electromechanical resonators
    • H03H9/70—Multiple-port networks for connecting several sources or loads, working on different frequencies or frequency bands, to a common load or source
    • H03H9/72—Networks using surface acoustic waves
    • H—ELECTRICITY
    • H03—ELECTRONIC CIRCUITRY
    • H03H—IMPEDANCE NETWORKS, e.g. RESONANT CIRCUITS; RESONATORS
    • H03H9/00—Networks comprising electromechanical or electro-acoustic elements; Electromechanical resonators
    • H03H9/70—Multiple-port networks for connecting several sources or loads, working on different frequencies or frequency bands, to a common load or source
    • H03H9/72—Networks using surface acoustic waves
    • H03H9/725—Duplexers

Landscapes

  • Physics & Mathematics (AREA)
  • Acoustics & Sound (AREA)
  • Engineering & Computer Science (AREA)
  • Power Engineering (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Signal Processing (AREA)
  • Chemical & Material Sciences (AREA)
  • Materials Engineering (AREA)
  • Surface Acoustic Wave Elements And Circuit Networks Thereof (AREA)
CN202380016032.8A 2022-01-07 2023-01-06 滤波器设备、分波器以及通信装置 Pending CN118489213A (zh)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
JP2022001787 2022-01-07
JP2022-001787 2022-01-07
PCT/JP2023/000139 WO2023132354A1 (ja) 2022-01-07 2023-01-06 フィルタデバイス、分波器および通信装置

Publications (1)

Publication Number Publication Date
CN118489213A true CN118489213A (zh) 2024-08-13

Family

ID=87073710

Family Applications (1)

Application Number Title Priority Date Filing Date
CN202380016032.8A Pending CN118489213A (zh) 2022-01-07 2023-01-06 滤波器设备、分波器以及通信装置

Country Status (4)

Country Link
US (1) US20250105822A1 (https=)
JP (1) JPWO2023132354A1 (https=)
CN (1) CN118489213A (https=)
WO (1) WO2023132354A1 (https=)

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2024017316A (ja) * 2022-07-27 2024-02-08 株式会社村田製作所 高周波モジュール

Family Cites Families (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN1751436A (zh) * 2003-12-01 2006-03-22 株式会社村田制作所 滤波器装置
CN109690944B (zh) * 2016-09-07 2023-02-28 株式会社村田制作所 弹性波滤波器装置以及复合滤波器装置
JP6954378B2 (ja) * 2018-01-12 2021-10-27 株式会社村田製作所 弾性波装置、マルチプレクサ、高周波フロントエンド回路及び通信装置
JP7352855B2 (ja) * 2019-08-21 2023-09-29 株式会社村田製作所 分波器

Also Published As

Publication number Publication date
US20250105822A1 (en) 2025-03-27
JPWO2023132354A1 (https=) 2023-07-13
WO2023132354A1 (ja) 2023-07-13

Similar Documents

Publication Publication Date Title
CN112600532B (zh) 弹性波滤波器装置
JP6481758B2 (ja) 弾性波フィルタ、マルチプレクサ、デュプレクサ、高周波フロントエンド回路、および通信装置
US7564174B2 (en) Acoustic wave device and filter
US7688161B2 (en) Acoustic wave device and filter using the same
JP6637990B2 (ja) 弾性波共振子、弾性波フィルタ、分波器、通信装置および弾性波共振子の設計方法
CN107124152B (zh) 多工器、发送装置以及接收装置
JP6573668B2 (ja) 弾性波装置および通信装置
JP6530494B2 (ja) 弾性表面波素子
US10958241B2 (en) Extractor
JP2019068295A (ja) フィルタ
CN110771039B (zh) 弹性波装置、分波器以及通信装置
CN116599494A (zh) 声表面波滤波器以及多工器
CN110809858B (zh) 多工器
CN109217837B (zh) 多工器
JP7793060B2 (ja) 弾性波共振子、弾性波フィルタおよび通信装置
JP6832737B2 (ja) 弾性表面波共振子、分波器および通信装置
JP7103420B2 (ja) フィルタ装置およびマルチプレクサ
CN118489213A (zh) 滤波器设备、分波器以及通信装置
CN117917005A (zh) 弹性波元件、分波器以及通信装置
CN118202573A (zh) 滤波器装置
WO2024190677A1 (ja) 弾性波共振子および通信装置
JP2025097818A (ja) 弾性波フィルタ
WO2023171715A1 (ja) 弾性波装置、分波器、通信装置および弾性波装置の製造方法
CN120917668A (zh) 弹性波器件及通信装置
CN118944632A (zh) 多工器

Legal Events

Date Code Title Description
PB01 Publication
PB01 Publication
SE01 Entry into force of request for substantive examination
SE01 Entry into force of request for substantive examination