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FR2398411B1 - - Google Patents

Info

Publication number
FR2398411B1
FR2398411B1 FR7821723A FR7821723A FR2398411B1 FR 2398411 B1 FR2398411 B1 FR 2398411B1 FR 7821723 A FR7821723 A FR 7821723A FR 7821723 A FR7821723 A FR 7821723A FR 2398411 B1 FR2398411 B1 FR 2398411B1
Authority
FR
France
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
Application number
FR7821723A
Other versions
FR2398411A1 (fr
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.)
INST RADIOTEKH ELEKTRON
Original Assignee
INST RADIOTEKH ELEKTRON
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 INST RADIOTEKH ELEKTRON filed Critical INST RADIOTEKH ELEKTRON
Publication of FR2398411A1 publication Critical patent/FR2398411A1/fr
Application granted granted Critical
Publication of FR2398411B1 publication Critical patent/FR2398411B1/fr
Granted 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
    • H03H9/6426—Combinations of the characteristics of different transducers
    • 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
    • H03H9/125—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
    • H03H9/14523—Capacitive tap weighted transducers
    • 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
    • H03H9/125—Driving means, e.g. electrodes, coils
    • H03H9/145—Driving means, e.g. electrodes, coils for networks using surface acoustic waves
    • H03H9/14544—Transducers of particular shape or position
    • H03H9/1455—Transducers of particular shape or position constituted of N parallel or series transducers

Landscapes

  • Physics & Mathematics (AREA)
  • Acoustics & Sound (AREA)
  • Surface Acoustic Wave Elements And Circuit Networks Thereof (AREA)
FR7821723A 1977-07-22 1978-07-21 Convertisseur d'ondes acoustiques superficielles et filtre a base dudit convertisseur Granted FR2398411A1 (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
SU772510211A SU726648A1 (ru) 1977-07-22 1977-07-22 Устройство на поверхностных акустических волнах

Publications (2)

Publication Number Publication Date
FR2398411A1 FR2398411A1 (fr) 1979-02-16
FR2398411B1 true FR2398411B1 (fr) 1983-04-29

Family

ID=20719075

Family Applications (1)

Application Number Title Priority Date Filing Date
FR7821723A Granted FR2398411A1 (fr) 1977-07-22 1978-07-21 Convertisseur d'ondes acoustiques superficielles et filtre a base dudit convertisseur

Country Status (6)

Country Link
US (1) US4162415A (fr)
JP (1) JPS607850B2 (fr)
DE (1) DE2831584C2 (fr)
FR (1) FR2398411A1 (fr)
GB (1) GB2003689B (fr)
SU (1) SU726648A1 (fr)

Families Citing this family (14)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE2839851C2 (de) * 1978-09-13 1980-09-25 Siemens Ag, 1000 Berlin Und 8000 Muenchen Oberflächenwellenanordnung mit verbesserter Störsignalunterdrückung
WO1980002091A1 (fr) * 1979-03-21 1980-10-02 Inst Radiotekh Elektron Filtre base sur l'utilisation d'ondes acoustiques de surface
SU945951A1 (ru) * 1979-03-21 1982-07-23 Ордена Трудового Красного Знамени Институт Радиотехники И Электроники Ан Ссср Фильтр на поверхностных акустических волнах
SU805918A1 (ru) * 1979-09-28 1982-03-30 Ордена Трудового Красного Знамени Институт Радиотехники И Электроники Ан Ссср Преобразователь поверхностных акустических волн
US4472694A (en) * 1982-09-07 1984-09-18 Gte Laboratories Incorporated Acoustic surface wave device
US4516095A (en) * 1983-12-23 1985-05-07 Gte Laboratories Incorporated Surface acoustic wave device
JP2606708B2 (ja) * 1987-11-17 1997-05-07 日本無線株式会社 弾性表面波フィルタ
GB2212685B (en) * 1987-11-17 1992-10-14 Japan Radio Co Ltd Surface elastic wave device
US5254962A (en) * 1992-06-19 1993-10-19 Motorola, Inc. Combined acoustic wave device and ceramic block filter structure
NO984653L (no) * 1998-10-05 2000-04-06 Alsthom Cge Alcatel Overflateakustisk bølgetransduser
DE19925800C1 (de) * 1999-06-03 2000-12-21 Dresden Ev Inst Festkoerper Wandler für akustische Oberflächenwellen
JP3622758B2 (ja) * 2003-03-28 2005-02-23 松下電器産業株式会社 弾性表面波共振器、弾性表面波フィルタ、及びアンテナ共用器
CN111781271B (zh) * 2020-07-14 2022-03-08 电子科技大学 一种柔性声表面波气体传感器及其制备方法
CN116405006B (zh) * 2023-03-15 2024-03-26 北京航天微电科技有限公司 叉指换能器参数确定方法、装置、设备及声表面波滤波器

Family Cites Families (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3600710A (en) * 1968-08-12 1971-08-17 Zenith Radio Corp Acoustic surface wave filter
JPS5434519B2 (fr) * 1973-08-31 1979-10-27
DE2346204C3 (de) * 1973-09-13 1980-06-12 Siemens Ag, 1000 Berlin Und 8000 Muenchen Wandler für Füter oder Verzögerungsleitungen nach dem Oberflächenwellenprinzip
GB1413916A (en) * 1973-09-17 1975-11-12 Mullard Ltd Acoustic surface-wave devices
US3904996A (en) * 1973-12-28 1975-09-09 Texas Instruments Inc Capacitive weighted acoustic surface wave filter
DE2524649C3 (de) * 1975-06-03 1980-11-06 Siemens Ag, 1000 Berlin Und 8000 Muenchen Fernseh-ZF-Filter nach dem Oberflächenwellenprinzip
FR2319245A1 (fr) * 1975-07-24 1977-02-18 Thomson Csf Transducteur perfectionne pour filtre a ondes de surface a fonction de transfert asymetrique et filtre comportant un tel transducteur
US4006438A (en) * 1975-08-18 1977-02-01 Amp Incorporated Electro-acoustic surface-wave filter device
US4035675A (en) * 1976-04-08 1977-07-12 University Of Illinois Foundation Capacitive tap weighted surface acoustic wave transducers

Also Published As

Publication number Publication date
JPS607850B2 (ja) 1985-02-27
US4162415A (en) 1979-07-24
JPS5440062A (en) 1979-03-28
DE2831584C2 (de) 1984-03-29
DE2831584A1 (de) 1979-02-01
GB2003689A (en) 1979-03-14
SU726648A1 (ru) 1980-04-05
GB2003689B (en) 1982-01-13
FR2398411A1 (fr) 1979-02-16

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Legal Events

Date Code Title Description
ST Notification of lapse