JPS5215246A - Surface acoustic wave filter converter - Google Patents

Surface acoustic wave filter converter

Info

Publication number
JPS5215246A
JPS5215246A JP51088060A JP8806076A JPS5215246A JP S5215246 A JPS5215246 A JP S5215246A JP 51088060 A JP51088060 A JP 51088060A JP 8806076 A JP8806076 A JP 8806076A JP S5215246 A JPS5215246 A JP S5215246A
Authority
JP
Japan
Prior art keywords
acoustic wave
surface acoustic
wave filter
filter converter
converter
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.)
Pending
Application number
JP51088060A
Other languages
English (en)
Japanese (ja)
Inventor
Mishieru Ootoran Jiyan
Epusutan Berunaaru
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.)
Thales SA
Original Assignee
Thomson CSF SA
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 Thomson CSF SA filed Critical Thomson CSF SA
Publication of JPS5215246A publication Critical patent/JPS5215246A/ja
Pending 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
    • H03H9/14544—Transducers of particular shape or position
    • H03H9/1455—Transducers of particular shape or position constituted of N parallel or series 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
    • H03H9/30—Time-delay networks

Landscapes

  • Physics & Mathematics (AREA)
  • Acoustics & Sound (AREA)
  • Surface Acoustic Wave Elements And Circuit Networks Thereof (AREA)
JP51088060A 1975-07-24 1976-07-23 Surface acoustic wave filter converter Pending JPS5215246A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR7523139A FR2319245A1 (fr) 1975-07-24 1975-07-24 Transducteur perfectionne pour filtre a ondes de surface a fonction de transfert asymetrique et filtre comportant un tel transducteur

Publications (1)

Publication Number Publication Date
JPS5215246A true JPS5215246A (en) 1977-02-04

Family

ID=9158315

Family Applications (1)

Application Number Title Priority Date Filing Date
JP51088060A Pending JPS5215246A (en) 1975-07-24 1976-07-23 Surface acoustic wave filter converter

Country Status (5)

Country Link
US (1) US4068141A (enExample)
JP (1) JPS5215246A (enExample)
DE (1) DE2632724A1 (enExample)
FR (1) FR2319245A1 (enExample)
GB (1) GB1553375A (enExample)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS60249948A (ja) * 1984-05-24 1985-12-10 京セラ株式会社 歯科用加熱装置
JPH01166609A (ja) * 1987-12-23 1989-06-30 Hitachi Ltd 弾性表面波装置

Families Citing this family (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
SU726648A1 (ru) * 1977-07-22 1980-04-05 Ордена Трудового Красного Знамени Институт Радиотехники И Электроники Ан Ссср Устройство на поверхностных акустических волнах
SU726647A1 (ru) * 1977-07-22 1980-04-05 Ордена Трудового Красного Знамени Институт Радиотехники И Электроники Ан Ссср Полосовой фильтр на поверхностных акустических волнах
JPS5566120A (en) * 1978-11-13 1980-05-19 Hitachi Ltd Elastic surface wave device
FR2447644A1 (fr) * 1979-01-26 1980-08-22 Thomson Csf Transducteur d'ondes elastiques de surface et filtre comprenant un tel transducteur
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
KR900008524B1 (ko) * 1987-08-19 1990-11-24 삼성전자 주식회사 위성수신기의 지대지간섭 제거를 위한 탄성표면파 필터
GB2239144A (en) * 1989-12-16 1991-06-19 Plessey Co Plc Surface acoustic wave transducer
FR2740908B1 (fr) * 1995-11-07 1997-11-28 Thomson Csf Transducteur a ondes acoustiques de surface attaque en differentiel

Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS4946350A (enExample) * 1972-09-04 1974-05-02

Family Cites Families (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3626309A (en) * 1970-01-12 1971-12-07 Zenith Radio Corp Signal transmission system employing electroacoustic filter
GB1357193A (en) * 1971-07-22 1974-06-19 Mullard Ltd Acoustic surface wave devices
FR2167405B1 (enExample) * 1972-01-14 1976-06-11 Thomson Csf
GB1396856A (en) * 1973-08-03 1975-06-11 Mullard Ltd Acoustic surface-wave devices
US3991330A (en) * 1974-04-23 1976-11-09 Westinghouse Electric Corporation Acoustic surface wave device using single crystal of Tl3 VS4 or Tl3 NbS4

Patent Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS4946350A (enExample) * 1972-09-04 1974-05-02

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS60249948A (ja) * 1984-05-24 1985-12-10 京セラ株式会社 歯科用加熱装置
JPH01166609A (ja) * 1987-12-23 1989-06-30 Hitachi Ltd 弾性表面波装置

Also Published As

Publication number Publication date
FR2319245B1 (enExample) 1979-03-30
GB1553375A (en) 1979-09-26
DE2632724A1 (de) 1977-01-27
US4068141A (en) 1978-01-10
FR2319245A1 (fr) 1977-02-18

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