CN103138032B - 双工器 - Google Patents

双工器 Download PDF

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Publication number
CN103138032B
CN103138032B CN201210479096.5A CN201210479096A CN103138032B CN 103138032 B CN103138032 B CN 103138032B CN 201210479096 A CN201210479096 A CN 201210479096A CN 103138032 B CN103138032 B CN 103138032B
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China
Prior art keywords
resonator
temperature
compensating
film
filter
Prior art date
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CN201210479096.5A
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Chinese (zh)
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CN103138032A (zh
Inventor
西原时弘
谷口真司
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Taiyo Yuden Co Ltd
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Taiyo Yuden Co Ltd
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Publication of CN103138032A publication Critical patent/CN103138032A/zh
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Classifications

    • HELECTRICITY
    • H03ELECTRONIC CIRCUITRY
    • H03HIMPEDANCE NETWORKS, e.g. RESONANT CIRCUITS; RESONATORS
    • H03H9/00Networks comprising electromechanical or electro-acoustic elements; Electromechanical resonators
    • H03H9/02Details
    • H03H9/02007Details of bulk acoustic wave devices
    • H03H9/02086Means for compensation or elimination of undesirable effects
    • H03H9/02102Means for compensation or elimination of undesirable effects of temperature influence
    • HELECTRICITY
    • H03ELECTRONIC CIRCUITRY
    • H03HIMPEDANCE NETWORKS, e.g. RESONANT CIRCUITS; RESONATORS
    • H03H9/00Networks comprising electromechanical or electro-acoustic elements; Electromechanical resonators
    • H03H9/02Details
    • H03H9/02535Details of surface acoustic wave devices
    • H03H9/02818Means for compensation or elimination of undesirable effects
    • H03H9/02834Means for compensation or elimination of undesirable effects of temperature influence
    • HELECTRICITY
    • H03ELECTRONIC CIRCUITRY
    • H03HIMPEDANCE NETWORKS, e.g. RESONANT CIRCUITS; RESONATORS
    • H03H9/00Networks comprising electromechanical or electro-acoustic elements; Electromechanical resonators
    • H03H9/46Filters
    • H03H9/54Filters comprising resonators of piezoelectric or electrostrictive material
    • H03H9/542Filters comprising resonators of piezoelectric or electrostrictive material including passive elements
    • HELECTRICITY
    • H03ELECTRONIC CIRCUITRY
    • H03HIMPEDANCE NETWORKS, e.g. RESONANT CIRCUITS; RESONATORS
    • H03H9/00Networks comprising electromechanical or electro-acoustic elements; Electromechanical resonators
    • H03H9/46Filters
    • H03H9/54Filters comprising resonators of piezoelectric or electrostrictive material
    • H03H9/58Multiple crystal filters
    • H03H9/60Electric coupling means therefor
    • H03H9/605Electric coupling means therefor consisting of a ladder configuration
    • HELECTRICITY
    • H03ELECTRONIC CIRCUITRY
    • H03HIMPEDANCE NETWORKS, e.g. RESONANT CIRCUITS; RESONATORS
    • H03H9/00Networks comprising electromechanical or electro-acoustic elements; Electromechanical resonators
    • H03H9/46Filters
    • H03H9/64Filters using surface acoustic waves
    • H03H9/6423Means for obtaining a particular transfer characteristic
    • H03H9/6433Coupled resonator filters
    • H03H9/6483Ladder SAW filters
    • HELECTRICITY
    • H03ELECTRONIC CIRCUITRY
    • H03HIMPEDANCE NETWORKS, e.g. RESONANT CIRCUITS; RESONATORS
    • H03H9/00Networks comprising electromechanical or electro-acoustic elements; Electromechanical resonators
    • H03H9/70Multiple-port networks for connecting several sources or loads, working on different frequencies or frequency bands, to a common load or source
    • H03H9/703Networks using bulk acoustic wave devices
    • H03H9/706Duplexers
    • HELECTRICITY
    • H03ELECTRONIC CIRCUITRY
    • H03HIMPEDANCE NETWORKS, e.g. RESONANT CIRCUITS; RESONATORS
    • H03H9/00Networks comprising electromechanical or electro-acoustic elements; Electromechanical resonators
    • H03H9/70Multiple-port networks for connecting several sources or loads, working on different frequencies or frequency bands, to a common load or source
    • H03H9/72Networks using surface acoustic waves
    • H03H9/725Duplexers

Landscapes

  • Physics & Mathematics (AREA)
  • Acoustics & Sound (AREA)
  • Chemical & Material Sciences (AREA)
  • Crystallography & Structural Chemistry (AREA)
  • Piezo-Electric Or Mechanical Vibrators, Or Delay Or Filter Circuits (AREA)
  • Surface Acoustic Wave Elements And Circuit Networks Thereof (AREA)
CN201210479096.5A 2011-11-22 2012-11-22 双工器 Active CN103138032B (zh)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
JP2011-255545 2011-11-22
JP2011255545A JP5877043B2 (ja) 2011-11-22 2011-11-22 デュプレクサ

Publications (2)

Publication Number Publication Date
CN103138032A CN103138032A (zh) 2013-06-05
CN103138032B true CN103138032B (zh) 2016-06-22

Family

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Family Applications (1)

Application Number Title Priority Date Filing Date
CN201210479096.5A Active CN103138032B (zh) 2011-11-22 2012-11-22 双工器

Country Status (3)

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US (1) US9240768B2 (enExample)
JP (1) JP5877043B2 (enExample)
CN (1) CN103138032B (enExample)

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JP6374653B2 (ja) 2013-11-18 2018-08-15 太陽誘電株式会社 弾性波フィルタ及び分波器
DE102014109264B4 (de) * 2014-07-02 2017-11-16 Snaptrack, Inc. Resonatorschaltung mit erweiterten Freiheitsgraden, Filter mit verbesserter Abstimmbarkeit und Duplexer mit verbesserter Abstimmbarkeit
JP6400970B2 (ja) * 2014-07-25 2018-10-03 太陽誘電株式会社 フィルタおよびデュプレクサ
JP6233527B2 (ja) * 2014-10-06 2017-11-22 株式会社村田製作所 ラダー型フィルタ及びデュプレクサ
JP6332101B2 (ja) 2015-03-26 2018-05-30 株式会社村田製作所 弾性表面波フィルタ
JP6494545B2 (ja) * 2016-02-23 2019-04-03 太陽誘電株式会社 デュプレクサ
JP6534366B2 (ja) 2016-06-07 2019-06-26 太陽誘電株式会社 弾性波デバイス
JP6886264B2 (ja) * 2016-09-21 2021-06-16 太陽誘電株式会社 弾性波デバイス並びに複合基板およびその製造方法
US10367475B2 (en) 2016-10-28 2019-07-30 Skyworks Solutions, Inc. Acoustic wave filter including surface acoustic wave resonators and bulk acoustic wave resonator
JP6534406B2 (ja) * 2017-03-21 2019-06-26 太陽誘電株式会社 マルチプレクサ
WO2019138811A1 (ja) * 2018-01-12 2019-07-18 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
US10911023B2 (en) 2018-06-15 2021-02-02 Resonant Inc. Transversely-excited film bulk acoustic resonator with etch-stop layer
US10637438B2 (en) 2018-06-15 2020-04-28 Resonant Inc. Transversely-excited film bulk acoustic resonators for high power applications
US11509279B2 (en) 2020-07-18 2022-11-22 Resonant Inc. Acoustic resonators and filters with reduced temperature coefficient of frequency
US12237826B2 (en) 2018-06-15 2025-02-25 Murata Manufacturing Co., Ltd. Transversely-excited film bulk acoustic resonator with optimized electrode thickness, mark, and pitch
US10601392B2 (en) 2018-06-15 2020-03-24 Resonant Inc. Solidly-mounted transversely-excited film bulk acoustic resonator
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US11323090B2 (en) 2018-06-15 2022-05-03 Resonant Inc. Transversely-excited film bulk acoustic resonator using Y-X-cut lithium niobate for high power applications
US11146232B2 (en) 2018-06-15 2021-10-12 Resonant Inc. Transversely-excited film bulk acoustic resonator with reduced spurious modes
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US11264966B2 (en) 2018-06-15 2022-03-01 Resonant Inc. Solidly-mounted transversely-excited film bulk acoustic resonator with diamond layers in Bragg reflector stack
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US10992284B2 (en) 2018-06-15 2021-04-27 Resonant Inc. Filter using transversely-excited film bulk acoustic resonators with multiple frequency setting layers
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US10819309B1 (en) 2019-04-05 2020-10-27 Resonant Inc. Transversely-excited film bulk acoustic resonator package and method
US11949402B2 (en) 2020-08-31 2024-04-02 Murata Manufacturing Co., Ltd. Resonators with different membrane thicknesses on the same die
US11329628B2 (en) 2020-06-17 2022-05-10 Resonant Inc. Filter using lithium niobate and lithium tantalate transversely-excited film bulk acoustic resonators
US11916539B2 (en) * 2020-02-28 2024-02-27 Murata Manufacturing Co., Ltd. Split-ladder band N77 filter using transversely-excited film bulk acoustic resonators
US11967945B2 (en) 2018-06-15 2024-04-23 Murata Manufacturing Co., Ltd. Transversly-excited film bulk acoustic resonators and filters
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US11876498B2 (en) 2018-06-15 2024-01-16 Murata Manufacturing Co., Ltd. Transversely-excited film bulk acoustic resonator with multiple diaphragm thicknesses and fabrication method
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US12009798B2 (en) 2018-06-15 2024-06-11 Murata Manufacturing Co., Ltd. Transversely-excited film bulk acoustic resonators with electrodes having irregular hexagon cross-sectional shapes
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US10985728B2 (en) 2018-06-15 2021-04-20 Resonant Inc. Transversely-excited film bulk acoustic resonator and filter with a uniform-thickness dielectric overlayer
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CN114978085B (zh) * 2021-02-26 2025-09-23 诺思(天津)微系统有限责任公司 双工器、抑制双工器高次谐振的方法以及电子设备
CN115051680A (zh) * 2021-03-08 2022-09-13 诺思(天津)微系统有限责任公司 具有单晶和多晶体声波谐振器的滤波器及电子设备
JP7627174B2 (ja) * 2021-05-31 2025-02-05 太陽誘電株式会社 ラダー型フィルタおよびマルチプレクサ
CN113507275A (zh) * 2021-07-15 2021-10-15 绍兴汉天下微电子有限公司 一种体声波滤波器、版图布局方法以及通信器件
JP2023133977A (ja) * 2022-03-14 2023-09-27 太陽誘電株式会社 マルチプレクサ
CN114567287B (zh) * 2022-03-21 2025-02-07 苏州汉天下电子有限公司 多工器
CN114465601B (zh) * 2022-04-13 2022-08-12 苏州汉天下电子有限公司 一种滤波器、双工器以及多工器
CN115913169B (zh) * 2022-12-29 2024-03-15 苏州声芯电子科技有限公司 改善声表滤波器件温漂的电路封装结构和封装方法
CN118659755B (zh) * 2024-08-19 2025-02-14 广州市艾佛光通科技有限公司 一种温度补偿型薄膜体声波谐振器及其制备方法和滤波器

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Also Published As

Publication number Publication date
CN103138032A (zh) 2013-06-05
JP2013110655A (ja) 2013-06-06
US9240768B2 (en) 2016-01-19
JP5877043B2 (ja) 2016-03-02
US20130127565A1 (en) 2013-05-23

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