FR2392538B1 - - Google Patents
Info
- Publication number
- FR2392538B1 FR2392538B1 FR7815429A FR7815429A FR2392538B1 FR 2392538 B1 FR2392538 B1 FR 2392538B1 FR 7815429 A FR7815429 A FR 7815429A FR 7815429 A FR7815429 A FR 7815429A FR 2392538 B1 FR2392538 B1 FR 2392538B1
- 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
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
- H03H9/125—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
- H03H9/14594—Plan-rotated or plan-tilted transducers
-
- 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
- H03H3/00—Apparatus or processes specially adapted for the manufacture of impedance networks, resonating circuits, resonators
- H03H3/007—Apparatus or processes specially adapted for the manufacture of impedance networks, resonating circuits, resonators for the manufacture of electromechanical resonators or networks
- H03H3/08—Apparatus or processes specially adapted for the manufacture of impedance networks, resonating circuits, resonators for the manufacture of electromechanical resonators or networks for the manufacture of resonators or networks using surface acoustic waves
- H03H3/10—Apparatus or processes specially adapted for the manufacture of impedance networks, resonating circuits, resonators for the manufacture of electromechanical resonators or networks for the manufacture of resonators or networks using surface acoustic waves for obtaining desired frequency or temperature coefficient
-
- 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
- H03H9/02834—Means for compensation or elimination of undesirable effects of temperature influence
-
- 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
- H03H9/125—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 devices; Electromechanical resonators
- H03H9/25—Constructional features of resonators 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
- H03B5/02—Details
- H03B5/04—Modifications of generator to compensate for variations in physical values, e.g. power supply, load, temperature
Landscapes
- Physics & Mathematics (AREA)
- Acoustics & Sound (AREA)
- Engineering & Computer Science (AREA)
- Manufacturing & Machinery (AREA)
- Oscillators With Electromechanical Resonators (AREA)
- Surface Acoustic Wave Elements And Circuit Networks Thereof (AREA)
- Piezo-Electric Or Mechanical Vibrators, Or Delay Or Filter Circuits (AREA)
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP6157577A JPS53145595A (en) | 1977-05-25 | 1977-05-25 | Elastic surface wave oscillator |
Publications (2)
Publication Number | Publication Date |
---|---|
FR2392538A1 FR2392538A1 (fr) | 1978-12-22 |
FR2392538B1 true FR2392538B1 (fr) | 1981-12-11 |
Family
ID=13175049
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
FR7815429A Granted FR2392538A1 (fr) | 1977-05-25 | 1978-05-24 | Oscillateur a ondes acoustiques de surface |
Country Status (4)
Country | Link |
---|---|
US (1) | US4193045A (fr) |
JP (1) | JPS53145595A (fr) |
FR (1) | FR2392538A1 (fr) |
GB (1) | GB1594379A (fr) |
Families Citing this family (26)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
GB2033185B (en) * | 1978-09-22 | 1983-05-18 | Secr Defence | Acoustic wave device with temperature stabilisation |
JPS55121729A (en) * | 1979-03-12 | 1980-09-19 | Seiko Instr & Electronics Ltd | Surface elastic wave element |
FR2466763A1 (fr) * | 1979-09-28 | 1981-04-10 | Thomson Csf | Capteur de pression a ondes elastiques de surface et senseur de pression pour un tel capteur |
US4331943A (en) * | 1980-12-22 | 1982-05-25 | Hewlett-Packard Company | Acoustic wave devices having transverse mode distortions eliminated structurally |
US4489289A (en) * | 1982-04-08 | 1984-12-18 | The United States Of America As Represented By The Secretary Of The Air Force | Saw oscillator with digital compensation for temperature related frequency changes |
US4556949A (en) * | 1983-04-04 | 1985-12-03 | Sperry Corporation | Three wave surface acoustic wave (SAW) signal processor |
JPS60169210A (ja) * | 1984-02-13 | 1985-09-02 | Murata Mfg Co Ltd | 表面波装置 |
JPH0697727B2 (ja) * | 1985-03-27 | 1994-11-30 | 株式会社日立製作所 | 弾性表面波フィルタ |
FR2627645A1 (fr) * | 1988-02-18 | 1989-08-25 | Schlumberger Ind Sa | Oscillateur, en particulier a ondes acoustiques de surface, asservi en frequence par commande de sa temperature |
JPH0369203A (ja) * | 1989-08-08 | 1991-03-25 | Alps Electric Co Ltd | 電圧制御発振器 |
US5012668A (en) * | 1989-08-22 | 1991-05-07 | The Boeing Company | Inclined electrode surface acoustic wave substance sensor |
US5367216A (en) * | 1991-08-02 | 1994-11-22 | Canon Kabushiki Kaisha | Surface acoustic wave element and communication system using the same |
JP3360541B2 (ja) * | 1995-10-20 | 2002-12-24 | セイコーエプソン株式会社 | 弾性表面波装置及びその設計方法 |
JPH10215143A (ja) * | 1997-01-31 | 1998-08-11 | Nec Corp | 弾性表面波装置 |
JP3285790B2 (ja) * | 1997-05-13 | 2002-05-27 | 富士通株式会社 | 発振回路 |
JP2002122614A (ja) * | 2000-10-12 | 2002-04-26 | Murata Mfg Co Ltd | 加速度センサ |
JP2004274696A (ja) | 2002-10-04 | 2004-09-30 | Seiko Epson Corp | 弾性表面波装置および弾性表面波装置の温度特性調整方法 |
DE102004028421B4 (de) * | 2004-06-04 | 2006-05-04 | Leibniz-Institut Für Festkörper- Und Werkstoffforschung Dresden E.V. | Oszillator mit akustischen Oberflächenwellenresonatoren |
ATE385065T1 (de) * | 2003-08-25 | 2008-02-15 | Tele Filter Gmbh | Oszillator mit akustischen oberflächenwellenresonatoren |
DE102004037819B4 (de) * | 2004-08-04 | 2021-12-16 | Snaptrack, Inc. | Elektroakustisches Bauelement mit geringen Verlusten |
DE102004060901A1 (de) * | 2004-12-14 | 2006-07-13 | Leibnitz-Institut für Festkörper- und Werkstoffforschung Dresden e.V. | Oszillator |
WO2007007475A1 (fr) * | 2005-07-13 | 2007-01-18 | Murata Manufacturing Co., Ltd. | Filtre à onde élastique |
US20070096839A1 (en) * | 2005-11-02 | 2007-05-03 | Vern Meissner | Temperature compensation circuit for a surface acoustic wave oscillator |
DE102005060923A1 (de) * | 2005-12-14 | 2007-06-21 | Leibnitz-Institut für Festkörper- und Werkstoffforschung Dresden e.V. | Oszillatorkreis mit akustischen Zweitor-Oberflächenwellenresonatoren |
DE102006027060B4 (de) * | 2006-06-08 | 2010-04-01 | Leibniz-Institut Für Festkörper- Und Werkstoffforschung Dresden E.V. | Oszillatorkreis mit akustischen Eintor-Oberflächenwellenresonatoren |
DE102017127713B3 (de) * | 2017-11-23 | 2019-02-28 | RF360 Europe GmbH | Elektroakustisches Filter mit einer verringerten akustischen Kopplung, Verfahren zum Verringern der akustischen Kopplung und Multiplexer |
Family Cites Families (6)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS5340855B2 (fr) * | 1972-04-03 | 1978-10-30 | ||
GB1449841A (en) * | 1973-04-09 | 1976-09-15 | Mullard Ltd | Oscillators |
US3886484A (en) * | 1974-06-24 | 1975-05-27 | Hewlett Packard Co | Acoustic surface wave devices having improved performance versus temperature characteristics |
US3995240A (en) * | 1974-12-23 | 1976-11-30 | Hazeltine Corporation | Temperature compensated surface wave device |
US3999147A (en) * | 1975-10-31 | 1976-12-21 | Hughes Aircraft Company | Temperature stable surface acoustic wave and oscillator using the device |
GB1490959A (en) * | 1976-02-16 | 1977-11-09 | Mullard Ltd | Electrical oscillators |
-
1977
- 1977-05-25 JP JP6157577A patent/JPS53145595A/ja active Granted
-
1978
- 1978-05-19 US US05/907,556 patent/US4193045A/en not_active Expired - Lifetime
- 1978-05-24 FR FR7815429A patent/FR2392538A1/fr active Granted
- 1978-05-25 GB GB22802/78A patent/GB1594379A/en not_active Expired
Also Published As
Publication number | Publication date |
---|---|
FR2392538A1 (fr) | 1978-12-22 |
US4193045A (en) | 1980-03-11 |
GB1594379A (en) | 1981-07-30 |
JPS616562B2 (fr) | 1986-02-27 |
JPS53145595A (en) | 1978-12-18 |
Similar Documents
Legal Events
Date | Code | Title | Description |
---|---|---|---|
TP | Transmission of property | ||
CA | Change of address |