GB1451664A - Surface acoustic wave oscillators - Google Patents

Surface acoustic wave oscillators

Info

Publication number
GB1451664A
GB1451664A GB1965374*[A GB1965374A GB1451664A GB 1451664 A GB1451664 A GB 1451664A GB 1965374 A GB1965374 A GB 1965374A GB 1451664 A GB1451664 A GB 1451664A
Authority
GB
United Kingdom
Prior art keywords
transducers
june
frequency
acoustic wave
input
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
GB1965374*[A
Other languages
English (en)
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.)
NAT RES DEV
National Research Development Corp UK
Original Assignee
NAT RES DEV
National Research Development Corp UK
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 NAT RES DEV, National Research Development Corp UK filed Critical NAT RES DEV
Priority to GB1965374*[A priority Critical patent/GB1451664A/en
Priority to US05/476,275 priority patent/US3936765A/en
Priority to FR7419551A priority patent/FR2232875B1/fr
Priority to DE2427374A priority patent/DE2427374C2/de
Priority to JP49064520A priority patent/JPS5829644B2/ja
Publication of GB1451664A publication Critical patent/GB1451664A/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
    • H03H9/30—Time-delay networks
    • H03H9/42—Time-delay networks using surface acoustic waves
    • H—ELECTRICITY
    • H03—ELECTRONIC CIRCUITRY
    • H03B—GENERATION OF OSCILLATIONS, DIRECTLY OR BY FREQUENCY-CHANGING, BY CIRCUITS EMPLOYING ACTIVE ELEMENTS WHICH OPERATE IN A NON-SWITCHING MANNER; GENERATION OF NOISE BY SUCH CIRCUITS
    • H03B5/00—Generation of oscillations using amplifier with regenerative feedback from output to input
    • H03B5/30—Generation of oscillations using amplifier with regenerative feedback from output to input with frequency-determining element being electromechanical resonator
    • H03B5/32—Generation of oscillations using amplifier with regenerative feedback from output to input with frequency-determining element being electromechanical resonator being a piezoelectric resonator
    • H03B5/326—Generation of oscillations using amplifier with regenerative feedback from output to input with frequency-determining element being electromechanical resonator being a piezoelectric resonator the resonator being an acoustic wave device, e.g. SAW or BAW device
    • 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
    • H03H9/02535—Details of surface acoustic wave devices
    • H03H9/0296—Surface acoustic wave [SAW] devices having both acoustic and non-acoustic properties
    • H—ELECTRICITY
    • H03—ELECTRONIC CIRCUITRY
    • H03H—IMPEDANCE NETWORKS, e.g. RESONANT CIRCUITS; RESONATORS
    • H03H9/00—Networks comprising electromechanical or electro-acoustic elements; Electromechanical resonators
    • H03H9/74—Multiple-port networks for connecting several sources or loads, working on the same frequency or frequency band, to a common load or source
    • H03H9/76—Networks using surface acoustic waves

Landscapes

  • Physics & Mathematics (AREA)
  • Acoustics & Sound (AREA)
  • Oscillators With Electromechanical Resonators (AREA)
  • Inductance-Capacitance Distribution Constants And Capacitance-Resistance Oscillators (AREA)
GB1965374*[A 1973-06-06 1974-05-03 Surface acoustic wave oscillators Expired GB1451664A (en)

Priority Applications (5)

Application Number Priority Date Filing Date Title
GB1965374*[A GB1451664A (en) 1973-06-06 1974-05-03 Surface acoustic wave oscillators
US05/476,275 US3936765A (en) 1973-06-06 1974-06-04 Surface acoustic wave oscillators
FR7419551A FR2232875B1 (https=) 1973-06-06 1974-06-06
DE2427374A DE2427374C2 (de) 1973-06-06 1974-06-06 Oszillator mit einer akustischen Oberflächenwellen-Verzögerungsleitung
JP49064520A JPS5829644B2 (ja) 1973-06-06 1974-06-06 オンパハツシンキ

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
GB2709573 1973-06-06
GB1965374*[A GB1451664A (en) 1973-06-06 1974-05-03 Surface acoustic wave oscillators

Publications (1)

Publication Number Publication Date
GB1451664A true GB1451664A (en) 1976-10-06

Family

ID=26254166

Family Applications (1)

Application Number Title Priority Date Filing Date
GB1965374*[A Expired GB1451664A (en) 1973-06-06 1974-05-03 Surface acoustic wave oscillators

Country Status (5)

Country Link
US (1) US3936765A (https=)
JP (1) JPS5829644B2 (https=)
DE (1) DE2427374C2 (https=)
FR (1) FR2232875B1 (https=)
GB (1) GB1451664A (https=)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB2179480A (en) * 1985-08-13 1987-03-04 Notifier Co Security systems

Families Citing this family (23)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS519360A (ja) * 1974-07-12 1976-01-26 Nippon Telegraph & Telephone Danseihyomenhahatsushinsochi
JPS51142028U (https=) * 1975-05-08 1976-11-16
US4115744A (en) * 1975-08-26 1978-09-19 National Research Development Corporation Programable frequency acoustic wave discriminator
US4070635A (en) * 1976-05-28 1978-01-24 Westinghouse Electric Corporation Delay line oscillator with phase locked loop for reducing phase fluctuations
GB1539462A (en) * 1976-05-28 1979-01-31 Marconi Co Ltd Oscillators
US4055816A (en) * 1976-07-26 1977-10-25 International Telephone And Telegraph Corporation Voltage stress stabilized saw device
FR2367377A1 (fr) * 1976-10-07 1978-05-05 Brossard Pierre Modulateurs de frequence pour systemes de transmission a faisceaux hertziens
US4160183A (en) * 1978-05-26 1979-07-03 Hewlett-Packard Company Oscillator having a quartz resonator cut to compensate for static and dynamic thermal transients
JPS56166606A (en) * 1980-05-27 1981-12-21 Sanyo Electric Co Ltd Constant-amplitude oscillator
FR2492193B2 (fr) * 1980-06-10 1987-11-27 France Etat Filtre recursif a ondes elastiques de surface utilisant une ligne a retard a bouclage actif
JPS58184808A (ja) * 1982-04-22 1983-10-28 Nippon Telegr & Teleph Corp <Ntt> 弾性表面波可変周波数発振器
EP0109446B1 (en) * 1982-05-25 1987-08-12 Nippon Telegraph And Telephone Corporation Variable frequency oscillator
JPS6158250U (https=) * 1984-12-24 1986-04-19
US4636747A (en) * 1985-03-11 1987-01-13 Ifr, Inc. System and method for wideband, continuous tuning of an oscillator
DE3730107A1 (de) * 1987-09-08 1989-03-16 Siemens Ag Oszillatorschaltung mit oberflaechenwellenfilter
JPH01256802A (ja) * 1988-04-07 1989-10-13 Mitsubishi Electric Corp 弾性表面波発振器
US4991915A (en) * 1988-08-04 1991-02-12 Imperial Chemical Industries PLC Manchester Polytechnic Microwave moisture sensing arrangement
US6448513B1 (en) * 2001-02-02 2002-09-10 Circuits & Systems Inc. Electronic weighing apparatus utilizing surface acoustic waves
AUPO359096A0 (en) 1996-11-13 1996-12-05 Lonsdale, Anthony Apparatus for tracking resonant frequency
US6653906B1 (en) 2002-06-24 2003-11-25 Cts Corporation Controllable SAW oscillator component
KR100699862B1 (ko) 2005-08-26 2007-03-27 삼성전자주식회사 반도체 장치의 이중 기준 입력 수신기 및 이의 입력 데이터신호 수신방법
US20070096839A1 (en) * 2005-11-02 2007-05-03 Vern Meissner Temperature compensation circuit for a surface acoustic wave oscillator
NO328202B1 (no) * 2006-02-21 2010-01-04 Elkem Solar As Fremgangsmåte og apparatur for fremstilling av silan

Family Cites Families (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3582540A (en) * 1969-04-17 1971-06-01 Zenith Radio Corp Signal translating apparatus using surface wave acoustic device

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB2179480A (en) * 1985-08-13 1987-03-04 Notifier Co Security systems

Also Published As

Publication number Publication date
JPS5033756A (https=) 1975-04-01
FR2232875B1 (https=) 1978-05-05
FR2232875A1 (https=) 1975-01-03
DE2427374A1 (de) 1975-01-02
DE2427374C2 (de) 1983-09-01
JPS5829644B2 (ja) 1983-06-24
US3936765A (en) 1976-02-03

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Legal Events

Date Code Title Description
PS Patent sealed [section 19, patents act 1949]
PCNP Patent ceased through non-payment of renewal fee