CA1039818A - Filter circuit having an acoustic surface-wave filter device - Google Patents

Filter circuit having an acoustic surface-wave filter device

Info

Publication number
CA1039818A
CA1039818A CA244,390A CA244390A CA1039818A CA 1039818 A CA1039818 A CA 1039818A CA 244390 A CA244390 A CA 244390A CA 1039818 A CA1039818 A CA 1039818A
Authority
CA
Canada
Prior art keywords
output
acoustic surface
filter device
interleaved
wave filter
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
Application number
CA244,390A
Other languages
English (en)
French (fr)
Inventor
Kokichi Morii
Ken-Ichi Urayama
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.)
Sony Corp
Original Assignee
Sony Corp
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 Sony Corp filed Critical Sony Corp
Application granted granted Critical
Publication of CA1039818A publication Critical patent/CA1039818A/en
Expired 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
    • H03H9/6403—Programmable 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

Landscapes

  • Physics & Mathematics (AREA)
  • Acoustics & Sound (AREA)
  • Surface Acoustic Wave Elements And Circuit Networks Thereof (AREA)
  • Amplifiers (AREA)
CA244,390A 1975-01-30 1976-01-28 Filter circuit having an acoustic surface-wave filter device Expired CA1039818A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP50012738A JPS5760811B2 (enExample) 1975-01-30 1975-01-30

Publications (1)

Publication Number Publication Date
CA1039818A true CA1039818A (en) 1978-10-03

Family

ID=11813759

Family Applications (1)

Application Number Title Priority Date Filing Date
CA244,390A Expired CA1039818A (en) 1975-01-30 1976-01-28 Filter circuit having an acoustic surface-wave filter device

Country Status (9)

Country Link
US (1) US4021761A (enExample)
JP (1) JPS5760811B2 (enExample)
AU (1) AU503205B2 (enExample)
BR (1) BR7600617A (enExample)
CA (1) CA1039818A (enExample)
DE (1) DE2603603C2 (enExample)
FR (1) FR2299765A1 (enExample)
GB (1) GB1517056A (enExample)
NL (1) NL7600922A (enExample)

Families Citing this family (11)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4798987A (en) * 1986-08-25 1989-01-17 Canon Kabushiki Kaisha Surface acoustic wave generator
US4739290A (en) * 1986-11-05 1988-04-19 The United States Of America As Represented By The Secretary Of The Air Force Variable analog delay line
US5459791A (en) * 1992-06-02 1995-10-17 Soundtracs Plc Audio frequency filter
GB2267621B (en) * 1992-06-02 1996-01-03 Soundtracs Plc Audio frequency filter
US5254962A (en) * 1992-06-19 1993-10-19 Motorola, Inc. Combined acoustic wave device and ceramic block filter structure
US5536989A (en) * 1995-03-28 1996-07-16 The United States Of America As Represented By The Secretary Of The Army Circuit arrangement for saw substrates
US7274275B2 (en) * 2005-06-10 2007-09-25 Avago Technologies Wireless Ip (Singapore) Pte. Ltd. Bandpass filter network and method for bandpass filtering signals using multiple acoustic resonators
US7667888B2 (en) * 2007-04-06 2010-02-23 Harris Corporation Low cost system and method that implements acousto-optic (AO) RF signal excitation
CN102510278B (zh) * 2011-10-11 2013-11-20 宁波大学 一种以声表面波为能量源的纸基微流开关
CN102500438B (zh) * 2011-10-21 2013-12-25 宁波大学 一种声表面波控制的纸基微流开关
US9935604B2 (en) * 2015-07-06 2018-04-03 Xilinx, Inc. Variable bandwidth filtering

Family Cites Families (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2400857A (en) * 1942-05-09 1946-05-21 Standard Telephones Cables Ltd Selectivity adjustment coupling network
US3446974A (en) * 1966-11-07 1969-05-27 Zenith Radio Corp Solid state acoustic signal translating device with light activated electrode interconnections
GB1244652A (en) * 1968-04-02 1971-09-02 Mullard Ltd Frequency selective active arrangements
US3621482A (en) * 1969-12-04 1971-11-16 Zenith Radio Corp Tunable surface-wave signal-translating device
US3745564A (en) * 1972-01-07 1973-07-10 Rca Corp Switchable acoustic surface wave device
US3831116A (en) * 1973-04-09 1974-08-20 Raytheon Co Surface acoustic wave filter
JPS5344103B2 (enExample) * 1973-05-28 1978-11-25
US3942135A (en) * 1974-06-12 1976-03-02 Mcdonnell Douglas Corporation Concatenated surface wave delay line correlator

Also Published As

Publication number Publication date
JPS5760811B2 (enExample) 1982-12-21
AU1058876A (en) 1977-08-04
NL7600922A (nl) 1976-08-03
DE2603603A1 (de) 1976-08-05
FR2299765B1 (enExample) 1980-03-21
BR7600617A (pt) 1976-09-28
AU503205B2 (en) 1979-08-30
DE2603603C2 (de) 1984-10-18
US4021761A (en) 1977-05-03
GB1517056A (en) 1978-07-05
FR2299765A1 (fr) 1976-08-27
JPS5187942A (enExample) 1976-07-31

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