NO965559L - Piezoelektrisk filterblokk med resonansfiltere for akustiske overflatebölger (SAW) - Google Patents

Piezoelektrisk filterblokk med resonansfiltere for akustiske overflatebölger (SAW)

Info

Publication number
NO965559L
NO965559L NO965559A NO965559A NO965559L NO 965559 L NO965559 L NO 965559L NO 965559 A NO965559 A NO 965559A NO 965559 A NO965559 A NO 965559A NO 965559 L NO965559 L NO 965559L
Authority
NO
Norway
Prior art keywords
filters
filter block
passband
saw
electrode fingers
Prior art date
Application number
NO965559A
Other languages
English (en)
Norwegian (no)
Other versions
NO965559D0 (no
Inventor
Toru Kurahashi
Kazunobu Shimoe
Original Assignee
Murata Manufacturing Co
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 filed Critical Murata Manufacturing Co
Publication of NO965559D0 publication Critical patent/NO965559D0/no
Publication of NO965559L publication Critical patent/NO965559L/no

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
    • 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

Landscapes

  • Physics & Mathematics (AREA)
  • Acoustics & Sound (AREA)
  • Surface Acoustic Wave Elements And Circuit Networks Thereof (AREA)
NO965559A 1995-12-27 1996-12-23 Piezoelektrisk filterblokk med resonansfiltere for akustiske overflatebölger (SAW) NO965559L (no)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP07340583A JP3077052B2 (ja) 1995-12-27 1995-12-27 弾性表面波共振子フィルタ装置

Publications (2)

Publication Number Publication Date
NO965559D0 NO965559D0 (no) 1996-12-23
NO965559L true NO965559L (no) 1997-06-30

Family

ID=18338392

Family Applications (1)

Application Number Title Priority Date Filing Date
NO965559A NO965559L (no) 1995-12-27 1996-12-23 Piezoelektrisk filterblokk med resonansfiltere for akustiske overflatebölger (SAW)

Country Status (5)

Country Link
US (1) US5818146A (de)
EP (1) EP0782256B1 (de)
JP (1) JP3077052B2 (de)
DE (1) DE69620135T2 (de)
NO (1) NO965559L (de)

Families Citing this family (10)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB9622654D0 (en) * 1996-10-31 1997-01-08 Flowers James E Filters
JPH11330895A (ja) * 1998-05-14 1999-11-30 Fujitsu Ltd 弾性表面波装置
JP3289674B2 (ja) * 1998-05-21 2002-06-10 株式会社村田製作所 表面波フィルタ装置、共用器、通信機装置
DE10009517A1 (de) * 2000-02-29 2001-08-30 Epcos Ag Interdigitalwandler mit verteilter Anregung
JP3432492B2 (ja) * 2000-09-28 2003-08-04 富士通株式会社 弾性表面波共振器及びこれを用いた弾性表面波フィルタ
JP3414384B2 (ja) * 2001-01-12 2003-06-09 株式会社村田製作所 弾性表面波フィルタ、およびそれを用いた通信機装置
JP3945363B2 (ja) * 2001-10-12 2007-07-18 株式会社村田製作所 弾性表面波装置
DE102009038148B4 (de) * 2009-08-20 2014-04-03 Continental Automotive Gmbh Triplexer für ein Multiband-Antennenmodul eines Fahrzeugs
GB2512091B (en) * 2013-03-20 2021-01-06 Alison Microwave Ltd Improvements in and relating to filters
JP6441590B2 (ja) * 2014-05-23 2018-12-19 太陽誘電株式会社 弾性波デバイス

Family Cites Families (10)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4254387A (en) * 1977-10-06 1981-03-03 U.S. Philips Corporation Acoustic wave devices
US4166257A (en) * 1977-10-19 1979-08-28 Motorola, Inc. Capacitively weighted surface acoustic wave device
JPS5573123A (en) * 1978-11-27 1980-06-02 Toshiba Corp Elastic surface wave filter
JPS5610725A (en) * 1979-07-09 1981-02-03 Murata Mfg Co Ltd Elastic surface wave device
US5521565A (en) * 1988-09-28 1996-05-28 Siemens Aktiengesellschaft Surface wave interdigital transducer and surface wave filter with symmetric or predeterminable asymmetric transfer characteristic between input and output
US5223762A (en) * 1990-12-27 1993-06-29 Murata Manufacturing Co., Ltd. Surface acoustic wave filter
CA2110362C (en) * 1992-12-01 1998-01-06 Hiromi Yatsuda Surface acoustic wave filter and mobile communication system using same
US5528206A (en) * 1994-11-23 1996-06-18 Murata Manufacturing Co., Ltd. Surface acoustic wave filter with attenuated spurious emissions
JPH08265087A (ja) * 1995-03-22 1996-10-11 Mitsubishi Electric Corp 弾性表面波フィルタ
GB2306821B (en) * 1995-11-03 2000-05-31 Advanced Saw Prod Sa Electro-acoustic device

Also Published As

Publication number Publication date
JP3077052B2 (ja) 2000-08-14
JPH09181566A (ja) 1997-07-11
US5818146A (en) 1998-10-06
EP0782256A3 (de) 1998-02-04
DE69620135T2 (de) 2002-09-26
EP0782256A2 (de) 1997-07-02
NO965559D0 (no) 1996-12-23
DE69620135D1 (de) 2002-05-02
EP0782256B1 (de) 2002-03-27

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Legal Events

Date Code Title Description
FC2A Withdrawal, rejection or dismissal of laid open patent application