JP2000349591A - 弾性表面波フィルタを用いた分波器 - Google Patents

弾性表面波フィルタを用いた分波器

Info

Publication number
JP2000349591A
JP2000349591A JP11160636A JP16063699A JP2000349591A JP 2000349591 A JP2000349591 A JP 2000349591A JP 11160636 A JP11160636 A JP 11160636A JP 16063699 A JP16063699 A JP 16063699A JP 2000349591 A JP2000349591 A JP 2000349591A
Authority
JP
Japan
Prior art keywords
acoustic wave
surface acoustic
wave resonator
filter
duplexer
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
JP11160636A
Other languages
English (en)
Japanese (ja)
Other versions
JP2000349591A5 (https=
Inventor
Kazushige Noguchi
和繁 野口
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.)
Oki Electric Industry Co Ltd
Original Assignee
Oki Electric Industry Co Ltd
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 Oki Electric Industry Co Ltd filed Critical Oki Electric Industry Co Ltd
Priority to JP11160636A priority Critical patent/JP2000349591A/ja
Priority to US09/589,360 priority patent/US6380827B1/en
Publication of JP2000349591A publication Critical patent/JP2000349591A/ja
Publication of JP2000349591A5 publication Critical patent/JP2000349591A5/ja
Pending legal-status Critical Current

Links

Classifications

    • 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
    • H03H9/46—Filters
    • H03H9/64—Filters using surface acoustic waves
    • H03H9/6423—Means for obtaining a particular transfer characteristic
    • H03H9/6433—Coupled resonator filters
    • H03H9/6436—Coupled resonator filters having one acoustic track only
    • 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
    • H03H9/644—Coupled resonator filters having two acoustic tracks
    • H03H9/6456—Coupled resonator filters having two acoustic tracks being electrically coupled
    • H03H9/6469—Coupled resonator filters having two acoustic tracks being electrically coupled via two connecting electrodes
    • H03H9/6473—Coupled resonator filters having two acoustic tracks being electrically coupled via two connecting electrodes the electrodes being electrically interconnected

Landscapes

  • Physics & Mathematics (AREA)
  • Acoustics & Sound (AREA)
  • Surface Acoustic Wave Elements And Circuit Networks Thereof (AREA)
JP11160636A 1999-06-08 1999-06-08 弾性表面波フィルタを用いた分波器 Pending JP2000349591A (ja)

Priority Applications (2)

Application Number Priority Date Filing Date Title
JP11160636A JP2000349591A (ja) 1999-06-08 1999-06-08 弾性表面波フィルタを用いた分波器
US09/589,360 US6380827B1 (en) 1999-06-08 2000-06-08 Surface acoustic wave filter and branching filter utilizing it

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP11160636A JP2000349591A (ja) 1999-06-08 1999-06-08 弾性表面波フィルタを用いた分波器

Related Child Applications (2)

Application Number Title Priority Date Filing Date
JP2007106074A Division JP2007189746A (ja) 2007-04-13 2007-04-13 弾性表面波フィルタを用いた分波器
JP2007106075A Division JP2007189747A (ja) 2007-04-13 2007-04-13 弾性表面波フィルタを用いた分波器

Publications (2)

Publication Number Publication Date
JP2000349591A true JP2000349591A (ja) 2000-12-15
JP2000349591A5 JP2000349591A5 (https=) 2005-10-20

Family

ID=15719225

Family Applications (1)

Application Number Title Priority Date Filing Date
JP11160636A Pending JP2000349591A (ja) 1999-06-08 1999-06-08 弾性表面波フィルタを用いた分波器

Country Status (2)

Country Link
US (1) US6380827B1 (https=)
JP (1) JP2000349591A (https=)

Cited By (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US7135944B2 (en) 2001-12-21 2006-11-14 Fujitsu Media Devices Limited Branching filter having both saw ladder and dual mode filters, and electronic apparatus using the branching filter
JP2007534243A (ja) * 2004-04-22 2007-11-22 エプコス　アクチエンゲゼルシャフト 縦方向に結合されている変換器を備えた表面波共振器フィルタ
JP2008533779A (ja) * 2005-03-08 2008-08-21 エプコス アクチエンゲゼルシャフト 改善された電磁適合性を有するデュプレクサ
JP2012506185A (ja) * 2008-10-17 2012-03-08 エプコス アクチエンゲゼルシャフト Ｇｐｓ用周波数帯域において帯域外サプレッション効果をもつアンテナデュプレクサ
KR20150143465A (ko) 2013-04-10 2015-12-23 가부시키가이샤 무라타 세이사쿠쇼 듀플렉서
JP2017200171A (ja) * 2016-04-21 2017-11-02 株式会社村田製作所 弾性波フィルタ装置
JP2017220929A (ja) * 2016-06-07 2017-12-14 スカイワークスフィルターソリューションズジャパン株式会社 ラム波によるスプリアスが低減された分波器
WO2018088153A1 (ja) * 2016-11-08 2018-05-17 株式会社村田製作所 弾性波フィルタ装置及びマルチプレクサ
JPWO2021187200A1 (https=) * 2020-03-18 2021-09-23

Families Citing this family (12)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP3391346B2 (ja) * 2000-04-18 2003-03-31 株式会社村田製作所 縦結合共振子型弾性表面波フィルタ
JP3358615B2 (ja) * 2000-06-26 2002-12-24 株式会社村田製作所 縦結合共振子型弾性表面波フィルタ
US6861927B1 (en) 2001-04-27 2005-03-01 Sawtek, Inc. Longitudinally coupled leaky surface acoustic wave resonator filter
US6798318B1 (en) * 2001-04-27 2004-09-28 Sawtek, Inc. Hybrid leaky surface acoustic wave resonator filter
US6975180B2 (en) * 2002-08-08 2005-12-13 Matsushita Electric Industrial Co., Ltd. Surface acoustic wave filter, and antenna duplexer and communication equipment using the same
DE10304470B4 (de) * 2003-02-04 2013-09-05 Epcos Ag Mit akustischen Oberflächenwellen arbeitendes elektronisches Bauelement
JP4230347B2 (ja) * 2003-12-19 2009-02-25 富士通メディアデバイス株式会社 弾性表面波フィルタ
JP2005268878A (ja) * 2004-03-16 2005-09-29 Matsushita Electric Ind Co Ltd アンテナ共用器
JP4943137B2 (ja) * 2006-12-25 2012-05-30 京セラ株式会社 分波器および通信装置
JP6017868B2 (ja) * 2011-11-04 2016-11-02 太陽誘電株式会社 分波器、フィルタ及び通信モジュール
CN112134541B (zh) * 2020-09-24 2024-06-04 成都频岢微电子有限公司 一种新型宽带声表滤波器
US20230048476A1 (en) * 2021-08-11 2023-02-16 Skyworks Solutions, Inc. Surface acoustic wave device comprising multi-layer interdigital transducer electrode

Family Cites Families (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP3424971B2 (ja) * 1994-01-20 2003-07-07 松下電器産業株式会社 弾性表面波フィルタ
JPH08265087A (ja) * 1995-03-22 1996-10-11 Mitsubishi Electric Corp 弾性表面波フィルタ
EP0757438B1 (en) * 1995-07-25 2001-08-16 Murata Manufacturing Co., Ltd. Surface acoustic wave device
JP3514015B2 (ja) * 1995-12-28 2004-03-31 株式会社村田製作所 弾性表面波装置及びその製造方法
JP3224202B2 (ja) * 1996-11-28 2001-10-29 富士通株式会社 弾性表面波装置
JPH10256869A (ja) 1997-03-06 1998-09-25 Oki Electric Ind Co Ltd 分波器における送信用ｓａｗフィルタの構造

Cited By (17)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US7135944B2 (en) 2001-12-21 2006-11-14 Fujitsu Media Devices Limited Branching filter having both saw ladder and dual mode filters, and electronic apparatus using the branching filter
JP2007534243A (ja) * 2004-04-22 2007-11-22 エプコス　アクチエンゲゼルシャフト 縦方向に結合されている変換器を備えた表面波共振器フィルタ
JP4861311B2 (ja) * 2004-04-22 2012-01-25 エプコス アクチエンゲゼルシャフト 縦方向に結合されている変換器を備えた表面波共振器フィルタ
JP2008533779A (ja) * 2005-03-08 2008-08-21 エプコス アクチエンゲゼルシャフト 改善された電磁適合性を有するデュプレクサ
KR101237337B1 (ko) * 2005-03-08 2013-02-28 에프코스 아게 출력 호환성이 개선된 듀플렉서
JP2012506185A (ja) * 2008-10-17 2012-03-08 エプコス アクチエンゲゼルシャフト Ｇｐｓ用周波数帯域において帯域外サプレッション効果をもつアンテナデュプレクサ
US9966929B2 (en) 2013-04-10 2018-05-08 Murata Manufacturing Co., Ltd. Duplexer including a low-pass filter capacitor
KR20150143465A (ko) 2013-04-10 2015-12-23 가부시키가이샤 무라타 세이사쿠쇼 듀플렉서
KR101689662B1 (ko) 2013-04-10 2016-12-26 가부시키가이샤 무라타 세이사쿠쇼 듀플렉서
JP2017200171A (ja) * 2016-04-21 2017-11-02 株式会社村田製作所 弾性波フィルタ装置
JP2017220929A (ja) * 2016-06-07 2017-12-14 スカイワークスフィルターソリューションズジャパン株式会社 ラム波によるスプリアスが低減された分波器
WO2018088153A1 (ja) * 2016-11-08 2018-05-17 株式会社村田製作所 弾性波フィルタ装置及びマルチプレクサ
US10892738B2 (en) 2016-11-08 2021-01-12 Murata Manufacturing Co., Ltd. Acoustic wave filter device and multiplexer
JPWO2021187200A1 (https=) * 2020-03-18 2021-09-23
WO2021187200A1 (ja) * 2020-03-18 2021-09-23 株式会社村田製作所 弾性波装置及び複合フィルタ装置
JP7428237B2 (ja) 2020-03-18 2024-02-06 株式会社村田製作所 弾性波装置及び複合フィルタ装置
US12438521B2 (en) 2020-03-18 2025-10-07 Murata Manufacturing Co., Ltd. Acoustic wave device and composite filter device

Also Published As

Publication number Publication date
US6380827B1 (en) 2002-04-30

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