BR7600617A - Circuito de filtro aperfeicoado - Google Patents

Circuito de filtro aperfeicoado

Info

Publication number
BR7600617A
BR7600617A BR7600617A BR7600617A BR7600617A BR 7600617 A BR7600617 A BR 7600617A BR 7600617 A BR7600617 A BR 7600617A BR 7600617 A BR7600617 A BR 7600617A BR 7600617 A BR7600617 A BR 7600617A
Authority
BR
Brazil
Prior art keywords
filter circuit
perfected filter
perfected
circuit
filter
Prior art date
Application number
BR7600617A
Other languages
English (en)
Inventor
K Morii
K Urayama
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
Publication of BR7600617A publication Critical patent/BR7600617A/pt

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
    • H03H9/6403—Programmable filters
    • 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

Landscapes

  • Physics & Mathematics (AREA)
  • Acoustics & Sound (AREA)
  • Surface Acoustic Wave Elements And Circuit Networks Thereof (AREA)
  • Amplifiers (AREA)
BR7600617A 1975-01-30 1976-01-30 Circuito de filtro aperfeicoado BR7600617A (pt)

Applications Claiming Priority (1)

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

Publications (1)

Publication Number Publication Date
BR7600617A true BR7600617A (pt) 1976-09-28

Family

ID=11813759

Family Applications (1)

Application Number Title Priority Date Filing Date
BR7600617A BR7600617A (pt) 1975-01-30 1976-01-30 Circuito de filtro aperfeicoado

Country Status (9)

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

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 (pt) * 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 (pt) 1982-12-21
FR2299765A1 (fr) 1976-08-27
AU1058876A (en) 1977-08-04
JPS5187942A (pt) 1976-07-31
NL7600922A (nl) 1976-08-03
US4021761A (en) 1977-05-03
FR2299765B1 (pt) 1980-03-21
AU503205B2 (en) 1979-08-30
DE2603603A1 (de) 1976-08-05
GB1517056A (en) 1978-07-05
DE2603603C2 (de) 1984-10-18
CA1039818A (en) 1978-10-03

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