DE69716846D1 - Oberflächenwellen-Resonatorfilter - Google Patents

Oberflächenwellen-Resonatorfilter

Info

Publication number
DE69716846D1
DE69716846D1 DE69716846T DE69716846T DE69716846D1 DE 69716846 D1 DE69716846 D1 DE 69716846D1 DE 69716846 T DE69716846 T DE 69716846T DE 69716846 T DE69716846 T DE 69716846T DE 69716846 D1 DE69716846 D1 DE 69716846D1
Authority
DE
Germany
Prior art keywords
saw resonator
resonator
saw
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 - Lifetime
Application number
DE69716846T
Other languages
English (en)
Other versions
DE69716846T2 (de
Inventor
Masahiro Hiramoto
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.)
Murata Manufacturing Co Ltd
Original Assignee
Murata Manufacturing 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 Murata Manufacturing Co Ltd filed Critical Murata Manufacturing Co Ltd
Application granted granted Critical
Publication of DE69716846D1 publication Critical patent/DE69716846D1/de
Publication of DE69716846T2 publication Critical patent/DE69716846T2/de
Anticipated expiration legal-status Critical
Expired - Lifetime 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 devices; 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 devices; 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

Landscapes

  • Physics & Mathematics (AREA)
  • Acoustics & Sound (AREA)
  • Surface Acoustic Wave Elements And Circuit Networks Thereof (AREA)
DE69716846T 1996-08-28 1997-08-27 Oberflächenwellen-Resonatorfilter Expired - Lifetime DE69716846T2 (de)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP22702796A JP3204112B2 (ja) 1996-08-28 1996-08-28 弾性表面波共振子フィルタ

Publications (2)

Publication Number Publication Date
DE69716846D1 true DE69716846D1 (de) 2002-12-12
DE69716846T2 DE69716846T2 (de) 2003-09-11

Family

ID=16854377

Family Applications (1)

Application Number Title Priority Date Filing Date
DE69716846T Expired - Lifetime DE69716846T2 (de) 1996-08-28 1997-08-27 Oberflächenwellen-Resonatorfilter

Country Status (6)

Country Link
US (1) US5909158A (de)
EP (1) EP0827274B1 (de)
JP (1) JP3204112B2 (de)
KR (1) KR100249635B1 (de)
DE (1) DE69716846T2 (de)
TW (1) TW481391U (de)

Families Citing this family (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP3298538B2 (ja) * 1999-02-16 2002-07-02 株式会社村田製作所 端面反射縦結合型ｓａｗ共振子フィルタ
DE60035330T2 (de) 1999-05-14 2008-03-06 Kabushiki Kaisha Toshiba, Kawasaki Oberflächenwellenfilter
JP2002176333A (ja) * 2000-12-07 2002-06-21 Fujitsu Media Device Kk 弾性表面波フィルタ
KR100402067B1 (ko) * 2001-04-06 2003-10-17 엘지이노텍 주식회사 이중모드 공진기 결합형 표면탄성파 필터
JP3826816B2 (ja) * 2001-08-29 2006-09-27 株式会社村田製作所 弾性表面波装置
JP2003133889A (ja) * 2001-10-25 2003-05-09 Murata Mfg Co Ltd 縦結合型弾性表面波共振子フィルタ
JP3764731B2 (ja) 2002-10-18 2006-04-12 富士通メディアデバイス株式会社 多重モード弾性表面波フィルタ及び分波器
JP4155104B2 (ja) * 2003-05-19 2008-09-24 株式会社村田製作所 弾性表面波装置
DE102009009484B4 (de) * 2009-02-19 2014-07-17 Epcos Ag Zweikanal-SAW Filter

Family Cites Families (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0584761B2 (de) * 1992-08-24 2005-08-31 NRS Technologies Inc. Akustisches Oberflächenwellenresonatorfilter
JP3001350B2 (ja) * 1993-05-19 2000-01-24 日本電気株式会社 弾性表面波フィルタ
JP2560991B2 (ja) * 1993-08-20 1996-12-04 日本電気株式会社 弾性表面波フィルタ
US5646584A (en) * 1994-04-25 1997-07-08 Advanced Saw Products Sa Saw filter including electrodes of opposing polarity
JP3366477B2 (ja) * 1995-01-20 2003-01-14 東洋通信機株式会社 縦型複合４重モードｓａｗフィルタ

Also Published As

Publication number Publication date
JPH1070436A (ja) 1998-03-10
DE69716846T2 (de) 2003-09-11
EP0827274B1 (de) 2002-11-06
JP3204112B2 (ja) 2001-09-04
TW481391U (en) 2002-03-21
KR19980019102A (ko) 1998-06-05
US5909158A (en) 1999-06-01
EP0827274A3 (de) 1999-02-17
EP0827274A2 (de) 1998-03-04
KR100249635B1 (en) 2000-03-15

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Legal Events

Date Code Title Description
8364 No opposition during term of opposition