JP5490895B2 - 改善されたフィルタ特性を有するフィルタ回路 - Google Patents

改善されたフィルタ特性を有するフィルタ回路 Download PDF

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Publication number
JP5490895B2
JP5490895B2 JP2012521022A JP2012521022A JP5490895B2 JP 5490895 B2 JP5490895 B2 JP 5490895B2 JP 2012521022 A JP2012521022 A JP 2012521022A JP 2012521022 A JP2012521022 A JP 2012521022A JP 5490895 B2 JP5490895 B2 JP 5490895B2
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JP
Japan
Prior art keywords
filter circuit
inductive element
resonator
series
inductive
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.)
Expired - Fee Related
Application number
JP2012521022A
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English (en)
Japanese (ja)
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JP2012533956A5 (enExample
JP2012533956A (ja
Inventor
マウレル，ゲルハルト
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.)
TDK Electronics AG
Original Assignee
Epcos AG
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 Epcos AG filed Critical Epcos AG
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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
    • H03H9/02—Details
    • H03H9/05—Holders or supports
    • H03H9/0538—Constructional combinations of supports or holders with electromechanical or other electronic elements
    • H03H9/0542—Constructional combinations of supports or holders with electromechanical or other electronic elements consisting of a lateral arrangement
    • 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
    • H03H9/56—Monolithic crystal filters
    • H03H9/566—Electric coupling means therefor
    • H03H9/568—Electric coupling means therefor consisting of a ladder configuration
    • 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
    • H03H9/58—Multiple crystal filters
    • H03H9/60—Electric coupling means therefor
    • H03H9/605—Electric coupling means therefor consisting of a ladder configuration
    • 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
    • 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
    • H03H9/703—Networks using bulk acoustic wave devices
    • H03H9/706—Duplexers
    • 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)
  • Chemical & Material Sciences (AREA)
  • Crystallography & Structural Chemistry (AREA)
  • Control Of Motors That Do Not Use Commutators (AREA)
  • Surface Acoustic Wave Elements And Circuit Networks Thereof (AREA)
JP2012521022A 2009-07-21 2010-07-20 改善されたフィルタ特性を有するフィルタ回路 Expired - Fee Related JP5490895B2 (ja)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
DE102009034101.3 2009-07-21
DE102009034101.3A DE102009034101B4 (de) 2009-07-21 2009-07-21 Filterschaltung mit verbesserter Filtercharakteristik
PCT/EP2010/060493 WO2011009868A1 (de) 2009-07-21 2010-07-20 Filterschaltung mit verbesserter filtercharakteristik

Publications (3)

Publication Number Publication Date
JP2012533956A JP2012533956A (ja) 2012-12-27
JP2012533956A5 JP2012533956A5 (enExample) 2013-04-25
JP5490895B2 true JP5490895B2 (ja) 2014-05-14

Family

ID=42831499

Family Applications (1)

Application Number Title Priority Date Filing Date
JP2012521022A Expired - Fee Related JP5490895B2 (ja) 2009-07-21 2010-07-20 改善されたフィルタ特性を有するフィルタ回路

Country Status (4)

Country Link
US (1) US9019045B2 (enExample)
JP (1) JP5490895B2 (enExample)
DE (1) DE102009034101B4 (enExample)
WO (1) WO2011009868A1 (enExample)

Families Citing this family (10)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR101633809B1 (ko) * 2012-09-25 2016-06-27 가부시키가이샤 무라타 세이사쿠쇼 탄성파 필터 장치 및 듀플렉서
DE102013104842B4 (de) * 2013-05-10 2015-11-12 Epcos Ag Zur Miniaturisierung geeignetes HF-Bauelement mit verringerter Kopplung
JP6564448B2 (ja) 2014-06-30 2019-08-21 スナップトラック・インコーポレーテッド ＲＦフィルタ回路、減衰が改善されたｒｆフィルタおよび分離度が改善されたデュプレクサ
JP5999295B1 (ja) * 2015-04-01 2016-09-28 株式会社村田製作所 デュプレクサ
DE102017113152B3 (de) 2017-06-14 2018-10-11 RF360 Europe GmbH Elektroakustisches HF-Filter mit einer erhöhten Flankensteilheit, Multiplexer und Verfahren zum Auslegen eines elektroakustischen HF-Filters
US10931263B2 (en) * 2017-08-03 2021-02-23 Qorvo Us, Inc. Filter circuits having a resonator-based filter and a magnetically-coupled filter
US10737105B2 (en) 2017-10-02 2020-08-11 Avive Solutions, Inc. Modular defibrillator architecture
DE102017129473A1 (de) * 2017-12-11 2019-06-13 RF360 Europe GmbH Breitbandiges HF-Filter, Multiband-HF-Filter und HF-Filterbauelement
US11271541B2 (en) * 2019-03-15 2022-03-08 Resonant Inc. Microwave duplexer using coupled inductors to improve isolation
DE102019106670B4 (de) * 2019-03-15 2020-11-12 RF360 Europe GmbH HF-Filter mit vergrößerter Bandbreite und Filterkomponente

Family Cites Families (23)

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Publication number Priority date Publication date Assignee Title
JPS57174913A (en) * 1981-04-20 1982-10-27 Fujitsu Ltd Characteristic adjusting method for surface acoustic wave device
DE19932649A1 (de) 1999-07-13 2001-02-08 Epcos Ag SAW-Filter des Reaktanzfiltertyps mit verbesserter Sperrbereichsunterdrückung und Verfahren zur Optimierung der Sperrbereichsunterdrückung
JP2002141771A (ja) * 2000-08-21 2002-05-17 Murata Mfg Co Ltd 弾性表面波フィルタ装置
EP1202455A3 (en) * 2000-10-31 2004-09-15 Agilent Technologies, Inc. (a Delaware corporation) A packaging methodology for duplexers using fbars
JP3937302B2 (ja) * 2001-12-10 2007-06-27 宇部興産株式会社 薄膜圧電共振器を用いたフィルタ及び送受切換器
DE10296803B4 (de) 2001-05-11 2008-04-10 Ube Industries, Ltd., Ube Duplexer mit FBAR-Abgleichresonator
US20030062969A1 (en) 2001-09-25 2003-04-03 Tdk Corporation Saw element and saw device
JP3678228B2 (ja) 2001-10-18 2005-08-03 株式会社村田製作所 Ｌｃハイパスフィルタ回路、積層型ｌｃハイパスフィルタ、マルチプレクサおよび無線通信装置
US6600390B2 (en) * 2001-12-13 2003-07-29 Agilent Technologies, Inc. Differential filters with common mode rejection and broadband rejection
DE10225202B4 (de) * 2002-06-06 2017-06-01 Epcos Ag Mit akustischen Wellen arbeitendes Bauelement mit einem Anpassnetzwerk
DE10228328A1 (de) 2002-06-25 2004-01-22 Epcos Ag Elektronisches Bauelement mit einem Mehrlagensubstrat und Herstellungsverfahren
JP4389521B2 (ja) * 2003-08-25 2009-12-24 パナソニック株式会社 弾性波フィルタ
JP2005094593A (ja) * 2003-09-19 2005-04-07 Matsushita Electric Ind Co Ltd 弾性表面波フィルタ
US7479847B2 (en) * 2003-11-20 2009-01-20 Panasonic Corporation Filter using piezoelectric resonator
US20060139125A1 (en) * 2003-12-01 2006-06-29 Shiga-Ken Shigeyuki Filter device
DE102004049196B4 (de) * 2004-10-08 2010-01-21 Avago Technologies Wireless Ip (Singapore) Pte. Ltd. Filterstruktur und Verfahren zum Entwurf eines Filters
JP2006333168A (ja) * 2005-05-27 2006-12-07 Kyocera Corp 高周波モジュール
JP2007074698A (ja) * 2005-08-08 2007-03-22 Fujitsu Media Device Kk 分波器及びラダー型フィルタ
JP2007053563A (ja) * 2005-08-17 2007-03-01 Nippon Dempa Kogyo Co Ltd 弾性表面波フィルタモジュールおよびこのモジュールの製造方法
JP2007259296A (ja) 2006-03-24 2007-10-04 Toshiba Corp アンテナ共用器および携帯電話
DE102006059996B4 (de) * 2006-12-19 2015-02-26 Epcos Ag Anordnung mit einem HF Bauelement und Verfahren zur Kompensation der Anbindungsinduktivität
JP2009130627A (ja) * 2007-11-22 2009-06-11 Nippon Dempa Kogyo Co Ltd デュプレクサ
JP5355958B2 (ja) * 2008-07-31 2013-11-27 太陽誘電株式会社 フィルタ、分波器および通信機器

Also Published As

Publication number Publication date
US9019045B2 (en) 2015-04-28
WO2011009868A1 (de) 2011-01-27
US20120194298A1 (en) 2012-08-02
DE102009034101A1 (de) 2011-02-03
DE102009034101B4 (de) 2017-02-02
JP2012533956A (ja) 2012-12-27

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