DE4293613T1 - Bandfilter mit akustischer Flächenwelle - Google Patents

Bandfilter mit akustischer Flächenwelle

Info

Publication number
DE4293613T1
DE4293613T1 DE4293613T DE4293613T DE4293613T1 DE 4293613 T1 DE4293613 T1 DE 4293613T1 DE 4293613 T DE4293613 T DE 4293613T DE 4293613 T DE4293613 T DE 4293613T DE 4293613 T1 DE4293613 T1 DE 4293613T1
Authority
DE
Germany
Prior art keywords
surface wave
band filter
acoustic surface
acoustic
band
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.)
Withdrawn
Application number
DE4293613T
Other languages
English (en)
Inventor
Petr Konstantinovich Koshkin
Alexandr Alexandrov Sveshnikov
Jury Mikhailovich Bobrovskikh
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.)
O Z MIKROELEKTRONIKI RIF VORON
Original Assignee
O Z MIKROELEKTRONIKI RIF VORON
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 O Z MIKROELEKTRONIKI RIF VORON filed Critical O Z MIKROELEKTRONIKI RIF VORON
Publication of DE4293613T1 publication Critical patent/DE4293613T1/de
Withdrawn legal-status Critical Current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
    • H03H9/6423—Means for obtaining a particular transfer characteristic
    • H03H9/643—Means for obtaining a particular transfer characteristic the transfer characteristic being determined by reflective or coupling array characteristics
    • H—ELECTRICITY
    • H03—ELECTRONIC CIRCUITRY
    • H03H—IMPEDANCE NETWORKS, e.g. RESONANT CIRCUITS; RESONATORS
    • H03H9/00—Networks comprising electromechanical or electro-acoustic devices; Electromechanical resonators
    • H03H9/02—Details
    • H03H9/02535—Details of surface acoustic wave devices
    • H03H9/02637—Details concerning reflective or coupling arrays
    • H03H9/02779—Continuous surface reflective arrays
    • H—ELECTRICITY
    • H03—ELECTRONIC CIRCUITRY
    • H03H—IMPEDANCE NETWORKS, e.g. RESONANT CIRCUITS; RESONATORS
    • H03H9/00—Networks comprising electromechanical or electro-acoustic devices; Electromechanical resonators
    • H03H9/02—Details
    • H03H9/125—Driving means, e.g. electrodes, coils
    • H03H9/145—Driving means, e.g. electrodes, coils for networks using surface acoustic waves
    • H03H9/14517—Means for weighting
    • H03H9/1452—Means for weighting by finger overlap length, apodisation

Landscapes

  • Physics & Mathematics (AREA)
  • Acoustics & Sound (AREA)
  • Surface Acoustic Wave Elements And Circuit Networks Thereof (AREA)
  • Lenses (AREA)
DE4293613T 1991-10-17 1992-10-09 Bandfilter mit akustischer Flächenwelle Withdrawn DE4293613T1 (de)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
SU5005974A RU2121213C1 (ru) 1991-10-17 1991-10-17 Полосовой фильтр на поверхностных акустических волнах (пав)

Publications (1)

Publication Number Publication Date
DE4293613T1 true DE4293613T1 (de) 1993-11-18

Family

ID=21587161

Family Applications (1)

Application Number Title Priority Date Filing Date
DE4293613T Withdrawn DE4293613T1 (de) 1991-10-17 1992-10-09 Bandfilter mit akustischer Flächenwelle

Country Status (5)

Country Link
US (1) US5471179A (de)
DE (1) DE4293613T1 (de)
GB (1) GB2273621B (de)
RU (1) RU2121213C1 (de)
WO (1) WO1993008642A1 (de)

Families Citing this family (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2003527131A (ja) * 1997-10-24 2003-09-16 アールエムオー，インコーポレイテツド ポスト及びチューブ歯科器具のための固定機構
US6346761B1 (en) * 1999-01-27 2002-02-12 Hitachi Denshi Kabushiki Kaisha Surface acoustic wave device capable of suppressing spurious response due to non-harmonic higher-order modes
JP3611779B2 (ja) * 1999-12-09 2005-01-19 シャープ株式会社 電気信号−音響信号変換器及びその製造方法並びに電気信号−音響変換装置
JP3863712B2 (ja) * 2000-09-06 2006-12-27 株式会社日立製作所 弾性表面波共振器
US7721670B2 (en) * 2006-10-30 2010-05-25 David Weber Kayak having deck fairing
RU2458458C2 (ru) * 2010-09-14 2012-08-10 Федеральное государственное унитарное предприятие Омский научно-исследовательский институт приборостроения (ФГУП ОНИИП) Способ изготовления пьезоэлементов для высокочастотных резонаторов

Family Cites Families (11)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5333557A (en) * 1976-08-24 1978-03-29 Toshiba Corp Elastic surface wave element
US4438417A (en) * 1980-06-17 1984-03-20 Tokyo Shibaura Denki Kabushiki Kaisha Filter circuit utilizing a surface acoustic wave filter
US4333065A (en) * 1980-10-09 1982-06-01 Zenith Radio Corporation Low reflectivity apodized surface acoustic transducer with means to prevent wavefront distortion
JPS5765917A (en) * 1980-10-11 1982-04-21 Murata Mfg Co Ltd Surface acoustic wave device
GB2090093A (en) * 1980-12-19 1982-06-30 Philips Electronic Associated Acoustic wave devices
JPS5843609A (ja) * 1981-09-09 1983-03-14 Toshiba Corp 弾性表面波装置
US4604595A (en) * 1982-06-16 1986-08-05 Murata Manufacturing Co., Ltd. Surface acoustic wave device having interdigitated comb electrodes weighted for odd/even response
US4516095A (en) * 1983-12-23 1985-05-07 Gte Laboratories Incorporated Surface acoustic wave device
EP0187918B1 (de) * 1984-12-17 1991-07-24 Siemens Aktiengesellschaft Elektrisches Oberflächenwellenfilter
US4912356A (en) * 1989-05-18 1990-03-27 The United States Of America As Represented By The Secretary Of The Army Saw slanted array correlator (SAC) with separate amplitude compensation channel
JPH04117016A (ja) * 1990-09-03 1992-04-17 Hitachi Ltd 弾性表面波装置およびこれを用いた通信装置

Also Published As

Publication number Publication date
GB2273621A (en) 1994-06-22
RU2121213C1 (ru) 1998-10-27
US5471179A (en) 1995-11-28
GB2273621B (en) 1996-01-31
WO1993008642A1 (en) 1993-04-29
GB9311738D0 (en) 1994-04-13

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Legal Events

Date Code Title Description
8139 Disposal/non-payment of the annual fee