FR2358051B1 - - Google Patents

Info

Publication number
FR2358051B1
FR2358051B1 FR7621104A FR7621104A FR2358051B1 FR 2358051 B1 FR2358051 B1 FR 2358051B1 FR 7621104 A FR7621104 A FR 7621104A FR 7621104 A FR7621104 A FR 7621104A FR 2358051 B1 FR2358051 B1 FR 2358051B1
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
FR7621104A
Other languages
French (fr)
Other versions
FR2358051A1 (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.)
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
Priority to FR7621104A priority Critical patent/FR2358051A1/fr
Priority to US05/812,472 priority patent/US4129837A/en
Priority to GB28389/77A priority patent/GB1590393A/en
Priority to CA282,343A priority patent/CA1078933A/en
Priority to DE19772731032 priority patent/DE2731032A1/de
Priority to JP8186577A priority patent/JPS5330854A/ja
Priority to PL1977199504A priority patent/PL112388B1/pl
Publication of FR2358051A1 publication Critical patent/FR2358051A1/fr
Application granted granted Critical
Publication of FR2358051B1 publication Critical patent/FR2358051B1/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 devices; Electromechanical resonators
    • H03H9/02—Details
    • H03H9/02535—Details of surface acoustic wave devices
    • H03H9/02543—Characteristics of substrate, e.g. cutting angles
    • H03H9/02551—Characteristics of substrate, e.g. cutting angles of quartz substrates
    • 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 devices; Electromechanical resonators
    • H03H9/02—Details
    • H03H9/02535—Details of surface acoustic wave devices
    • H03H9/02818—Means for compensation or elimination of undesirable effects
    • H03H9/02913—Measures for shielding against electromagnetic fields

Landscapes

  • Physics & Mathematics (AREA)
  • Acoustics & Sound (AREA)
  • Electromagnetism (AREA)
  • Surface Acoustic Wave Elements And Circuit Networks Thereof (AREA)
  • Oscillators With Electromechanical Resonators (AREA)
  • Piezo-Electric Or Mechanical Vibrators, Or Delay Or Filter Circuits (AREA)
FR7621104A 1976-07-09 1976-07-09 Oscillateur a ondes elastiques de surface Granted FR2358051A1 (fr)

Priority Applications (7)

Application Number Priority Date Filing Date Title
FR7621104A FR2358051A1 (fr) 1976-07-09 1976-07-09 Oscillateur a ondes elastiques de surface
US05/812,472 US4129837A (en) 1976-07-09 1977-07-05 Elastic surface wave oscillator
GB28389/77A GB1590393A (en) 1976-07-09 1977-07-06 Elastic surface wave oscillator
CA282,343A CA1078933A (en) 1976-07-09 1977-07-08 Elastic surface wave oscillator
DE19772731032 DE2731032A1 (de) 1976-07-09 1977-07-08 Mit elastischen oberflaechenwellen arbeitender oszillator
JP8186577A JPS5330854A (en) 1976-07-09 1977-07-08 Surface acoustic wave oscillator
PL1977199504A PL112388B1 (en) 1976-07-09 1977-07-09 Electric generator of elastic surface waves

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR7621104A FR2358051A1 (fr) 1976-07-09 1976-07-09 Oscillateur a ondes elastiques de surface

Publications (2)

Publication Number Publication Date
FR2358051A1 FR2358051A1 (fr) 1978-02-03
FR2358051B1 true FR2358051B1 (US06420036-20020716-C00037.png) 1978-12-22

Family

ID=9175517

Family Applications (1)

Application Number Title Priority Date Filing Date
FR7621104A Granted FR2358051A1 (fr) 1976-07-09 1976-07-09 Oscillateur a ondes elastiques de surface

Country Status (7)

Country Link
US (1) US4129837A (US06420036-20020716-C00037.png)
JP (1) JPS5330854A (US06420036-20020716-C00037.png)
CA (1) CA1078933A (US06420036-20020716-C00037.png)
DE (1) DE2731032A1 (US06420036-20020716-C00037.png)
FR (1) FR2358051A1 (US06420036-20020716-C00037.png)
GB (1) GB1590393A (US06420036-20020716-C00037.png)
PL (1) PL112388B1 (US06420036-20020716-C00037.png)

Families Citing this family (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB2117593B (en) * 1982-03-31 1985-11-27 Marconi Co Ltd Adjusting the frequency response of surface acoustic wave devices
DE3730107A1 (de) * 1987-09-08 1989-03-16 Siemens Ag Oszillatorschaltung mit oberflaechenwellenfilter
US4926146A (en) * 1988-05-09 1990-05-15 Trw Inc. Parallel-to-serial signal processor using surface acoustic waves
JP2531020B2 (ja) * 1988-10-17 1996-09-04 株式会社村田製作所 弾性表面波発振器

Family Cites Families (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3573673A (en) * 1969-01-08 1971-04-06 Zenith Radio Corp Acoustic surface wave filters
GB1328343A (en) * 1969-09-17 1973-08-30 Mullard Ltd Electro mechanical filters
US3872410A (en) * 1972-12-04 1975-03-18 Gte Laboratories Inc Surface wave filter for tv if stage
GB1451326A (en) * 1973-02-16 1976-09-29 Nat Res Dev Acoustic wave devices
US3845418A (en) * 1974-01-02 1974-10-29 Hughes Aircraft Co Acoustic surface wave device with reduced rf feedthrough
US3886484A (en) * 1974-06-24 1975-05-27 Hewlett Packard Co Acoustic surface wave devices having improved performance versus temperature characteristics
FR2310029A1 (fr) * 1975-04-30 1976-11-26 Thomson Csf Dispositif a ondes elastiques de surface permettant l'elimination des echos a transits multiples
US3999147A (en) * 1975-10-31 1976-12-21 Hughes Aircraft Company Temperature stable surface acoustic wave and oscillator using the device
US4011526A (en) * 1976-01-05 1977-03-08 Motorola, Inc. Temperature compensated surface acoustic wave oscillator

Also Published As

Publication number Publication date
US4129837A (en) 1978-12-12
PL112388B1 (en) 1980-10-31
GB1590393A (en) 1981-06-03
DE2731032A1 (de) 1978-01-19
FR2358051A1 (fr) 1978-02-03
JPS5330854A (en) 1978-03-23
PL199504A1 (pl) 1978-02-27
CA1078933A (en) 1980-06-03

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Legal Events

Date Code Title Description
ST Notification of lapse