CH608920A5 - - Google Patents
Info
- Publication number
- CH608920A5 CH608920A5 CH7612523A CH1252376A CH608920A5 CH 608920 A5 CH608920 A5 CH 608920A5 CH 7612523 A CH7612523 A CH 7612523A CH 1252376 A CH1252376 A CH 1252376A CH 608920 A5 CH608920 A5 CH 608920A5
- Authority
- CH
- Switzerland
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
- H03H9/02818—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
- 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
-
- 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
- H03H9/30—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
- H03B2200/00—Indexing scheme relating to details of oscillators covered by H03B
- H03B2200/0014—Structural aspects of oscillators
- H03B2200/0018—Structural aspects of oscillators relating to the cutting angle of a crystal, e.g. AT cut quartz
-
- 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)
- Surface Acoustic Wave Elements And Circuit Networks Thereof (AREA)
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| US05/627,801 US3999147A (en) | 1975-10-31 | 1975-10-31 | Temperature stable surface acoustic wave and oscillator using the device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CH608920A5 true CH608920A5 (US06826419-20041130-M00005.png) | 1979-01-31 |
Family
ID=24516189
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CH7612523A CH608920A5 (US06826419-20041130-M00005.png) | 1975-10-31 | 1976-10-04 |
Country Status (5)
Families Citing this family (18)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4155057A (en) * | 1976-03-19 | 1979-05-15 | Raytheon Company | Surface acoustic wave ring filter |
| FR2358051A1 (fr) * | 1976-07-09 | 1978-02-03 | Thomson Csf | Oscillateur a ondes elastiques de surface |
| JPS53145595A (en) * | 1977-05-25 | 1978-12-18 | Nippon Telegr & Teleph Corp <Ntt> | Elastic surface wave oscillator |
| FR2396306A1 (fr) * | 1977-07-01 | 1979-01-26 | Thomson Csf | Accelerometre a ondes elastiques de surface |
| US4349794A (en) * | 1977-12-16 | 1982-09-14 | Trw Inc. | Shallow bulk acoustic wave devices |
| US4166228A (en) * | 1978-03-17 | 1979-08-28 | Sperry Rand Corporation | Temperature compensated reflective array for surface acoustic wave processing |
| GB2033185B (en) * | 1978-09-22 | 1983-05-18 | Secr Defence | Acoustic wave device with temperature stabilisation |
| US4323809A (en) * | 1979-12-19 | 1982-04-06 | The United States Of America As Represented By The Secretary Of The Air Force | Surface acoustic wave substrate having orthogonal temperature compensated propagation directions and device applications |
| US4319154A (en) * | 1979-12-26 | 1982-03-09 | Sperry Corporation | Temperature insensitive reflective array S.A.W. device |
| US4451710A (en) * | 1982-09-01 | 1984-05-29 | Gte Atea Nv | Precisely stabilized piezoelectric receiver |
| US4512198A (en) * | 1982-09-29 | 1985-04-23 | Schlumberger Technology Corporation | Surface acoustic wave sensors |
| US4586382A (en) * | 1982-09-29 | 1986-05-06 | Schlumberger Technology Corporation | Surface acoustic wave sensors |
| 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 |
| DE3937871A1 (de) * | 1989-11-14 | 1991-05-16 | Siemens Ag | Oberflaechenwellen-reflektorfilter |
| DE102004060901A1 (de) * | 2004-12-14 | 2006-07-13 | Leibnitz-Institut für Festkörper- und Werkstoffforschung Dresden e.V. | Oszillator |
| 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 |
| US10756625B2 (en) * | 2016-06-29 | 2020-08-25 | Win Semiconductors Corp. | Integrated module of acoustic wave device with active thermal compensation and an active thermal compensating method thereof |
Family Cites Families (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US3568102A (en) * | 1967-07-06 | 1971-03-02 | Litton Precision Prod Inc | Split surface wave acoustic delay line |
| GB1449841A (en) * | 1973-04-09 | 1976-09-15 | Mullard Ltd | Oscillators |
| US3883831A (en) * | 1973-09-27 | 1975-05-13 | Massachusetts Inst Technology | Surface wave devices |
| US3886484A (en) * | 1974-06-24 | 1975-05-27 | Hewlett Packard Co | Acoustic surface wave devices having improved performance versus temperature characteristics |
-
1975
- 1975-10-31 US US05/627,801 patent/US3999147A/en not_active Expired - Lifetime
-
1976
- 1976-10-02 DE DE2644620A patent/DE2644620B2/de not_active Withdrawn
- 1976-10-04 CH CH7612523A patent/CH608920A5/xx not_active IP Right Cessation
- 1976-10-20 GB GB43588/76A patent/GB1543192A/en not_active Expired
- 1976-10-29 NL NL7612076A patent/NL7612076A/xx not_active Application Discontinuation
Also Published As
| Publication number | Publication date |
|---|---|
| US3999147A (en) | 1976-12-21 |
| GB1543192A (en) | 1979-03-28 |
| DE2644620B2 (de) | 1978-05-18 |
| DE2644620A1 (de) | 1977-05-05 |
| NL7612076A (nl) | 1977-05-03 |
Similar Documents
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PL | Patent ceased |