DE2632724A1 - Wandler fuer mit oberflaechenwellen arbeitende filter mit asymmetrischer uebertragungsfunktion - Google Patents
Wandler fuer mit oberflaechenwellen arbeitende filter mit asymmetrischer uebertragungsfunktionInfo
- Publication number
- DE2632724A1 DE2632724A1 DE19762632724 DE2632724A DE2632724A1 DE 2632724 A1 DE2632724 A1 DE 2632724A1 DE 19762632724 DE19762632724 DE 19762632724 DE 2632724 A DE2632724 A DE 2632724A DE 2632724 A1 DE2632724 A1 DE 2632724A1
- Authority
- DE
- Germany
- Prior art keywords
- transfer function
- transducer
- combs
- prongs
- pairs
- 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.)
- Pending
Links
- 210000001520 comb Anatomy 0.000 claims description 22
- 239000000758 substrate Substances 0.000 claims description 8
- 238000004519 manufacturing process Methods 0.000 description 4
- 239000000463 material Substances 0.000 description 3
- 238000000034 method Methods 0.000 description 3
- 230000001419 dependent effect Effects 0.000 description 2
- 230000005684 electric field Effects 0.000 description 2
- 230000002411 adverse Effects 0.000 description 1
- 230000015572 biosynthetic process Effects 0.000 description 1
- 230000009291 secondary effect Effects 0.000 description 1
- 238000003786 synthesis reaction Methods 0.000 description 1
- 230000002194 synthesizing effect Effects 0.000 description 1
- 230000009466 transformation Effects 0.000 description 1
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
- H03H9/46—Filters
- H03H9/64—Filters using surface acoustic waves
- H03H9/6423—Means for obtaining a particular transfer characteristic
- H03H9/6426—Combinations of the characteristics of different transducers
-
- 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
- H03H9/125—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 elements; Electromechanical resonators
- H03H9/30—Time-delay networks
Landscapes
- Physics & Mathematics (AREA)
- Acoustics & Sound (AREA)
- Surface Acoustic Wave Elements And Circuit Networks Thereof (AREA)
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| FR7523139A FR2319245A1 (fr) | 1975-07-24 | 1975-07-24 | Transducteur perfectionne pour filtre a ondes de surface a fonction de transfert asymetrique et filtre comportant un tel transducteur |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| DE2632724A1 true DE2632724A1 (de) | 1977-01-27 |
Family
ID=9158315
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| DE19762632724 Pending DE2632724A1 (de) | 1975-07-24 | 1976-07-21 | Wandler fuer mit oberflaechenwellen arbeitende filter mit asymmetrischer uebertragungsfunktion |
Country Status (5)
| Country | Link |
|---|---|
| US (1) | US4068141A (enExample) |
| JP (1) | JPS5215246A (enExample) |
| DE (1) | DE2632724A1 (enExample) |
| FR (1) | FR2319245A1 (enExample) |
| GB (1) | GB1553375A (enExample) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE2945643A1 (de) * | 1978-11-13 | 1980-06-19 | Hitachi Ltd | Einrichtung fuer akustische oberflaechenwellen mit asymmetrischer amplitudencharakteristik |
| DE3321843A1 (de) * | 1982-06-16 | 1983-12-29 | Murata Manufacturing Co., Ltd., Nagaokakyo, Kyoto | Bauteil mit ausnutzung akustischer oberflaechenwellen |
| DE3827962A1 (de) * | 1987-08-19 | 1989-03-02 | Samsung Electronics Co Ltd | Filter zur unterdrueckung von oberflaechen-interferenzen fuer satellitenkommunikations-empfaenger |
Families Citing this family (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| SU726648A1 (ru) * | 1977-07-22 | 1980-04-05 | Ордена Трудового Красного Знамени Институт Радиотехники И Электроники Ан Ссср | Устройство на поверхностных акустических волнах |
| SU726647A1 (ru) * | 1977-07-22 | 1980-04-05 | Ордена Трудового Красного Знамени Институт Радиотехники И Электроники Ан Ссср | Полосовой фильтр на поверхностных акустических волнах |
| FR2447644A1 (fr) * | 1979-01-26 | 1980-08-22 | Thomson Csf | Transducteur d'ondes elastiques de surface et filtre comprenant un tel transducteur |
| JPS60249948A (ja) * | 1984-05-24 | 1985-12-10 | 京セラ株式会社 | 歯科用加熱装置 |
| JP2574828B2 (ja) * | 1987-12-23 | 1997-01-22 | 株式会社日立製作所 | 弾性表面波装置 |
| GB2239144A (en) * | 1989-12-16 | 1991-06-19 | Plessey Co Plc | Surface acoustic wave transducer |
| FR2740908B1 (fr) * | 1995-11-07 | 1997-11-28 | Thomson Csf | Transducteur a ondes acoustiques de surface attaque en differentiel |
Family Cites Families (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US3626309A (en) * | 1970-01-12 | 1971-12-07 | Zenith Radio Corp | Signal transmission system employing electroacoustic filter |
| GB1357193A (en) * | 1971-07-22 | 1974-06-19 | Mullard Ltd | Acoustic surface wave devices |
| FR2167405B1 (enExample) * | 1972-01-14 | 1976-06-11 | Thomson Csf | |
| JPS5539933B2 (enExample) * | 1972-09-04 | 1980-10-15 | ||
| GB1396856A (en) * | 1973-08-03 | 1975-06-11 | Mullard Ltd | Acoustic surface-wave devices |
| US3991330A (en) * | 1974-04-23 | 1976-11-09 | Westinghouse Electric Corporation | Acoustic surface wave device using single crystal of Tl3 VS4 or Tl3 NbS4 |
-
1975
- 1975-07-24 FR FR7523139A patent/FR2319245A1/fr active Granted
-
1976
- 1976-07-20 US US05/707,137 patent/US4068141A/en not_active Expired - Lifetime
- 1976-07-21 GB GB30478/76A patent/GB1553375A/en not_active Expired
- 1976-07-21 DE DE19762632724 patent/DE2632724A1/de active Pending
- 1976-07-23 JP JP51088060A patent/JPS5215246A/ja active Pending
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE2945643A1 (de) * | 1978-11-13 | 1980-06-19 | Hitachi Ltd | Einrichtung fuer akustische oberflaechenwellen mit asymmetrischer amplitudencharakteristik |
| DE3321843A1 (de) * | 1982-06-16 | 1983-12-29 | Murata Manufacturing Co., Ltd., Nagaokakyo, Kyoto | Bauteil mit ausnutzung akustischer oberflaechenwellen |
| DE3827962A1 (de) * | 1987-08-19 | 1989-03-02 | Samsung Electronics Co Ltd | Filter zur unterdrueckung von oberflaechen-interferenzen fuer satellitenkommunikations-empfaenger |
Also Published As
| Publication number | Publication date |
|---|---|
| FR2319245B1 (enExample) | 1979-03-30 |
| GB1553375A (en) | 1979-09-26 |
| US4068141A (en) | 1978-01-10 |
| JPS5215246A (en) | 1977-02-04 |
| FR2319245A1 (fr) | 1977-02-18 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| DE2407649C2 (de) | Anordnung eines akustischen Oberflächenwellenbauteils im Rückkopplungszweig eines Verstärkers zur Bildung eines Oszillators | |
| DE69205437T2 (de) | Oberflächenwellenfilter mit einem gefalteten akustischen pfad. | |
| DE3304053C2 (enExample) | ||
| DE69827187T2 (de) | Akustische Oberflächenwellenanordnung mit Nahfeldkopplung und differentiellen Ein- und Ausgängen | |
| DE69228658T2 (de) | Breitbandiges, verlustarmes akustisches Filter mit parallelen Kanälen | |
| DE69100625T3 (de) | Akustische oberflächenwellenfilter. | |
| DE2641090C2 (enExample) | ||
| DE69120372T2 (de) | Einphasiger, einseitig gerichteter, gruppenförmig angeordneter Wandler mit 3/8 Lambda und 5/8 Lambda Bemusterung | |
| DE2802795A1 (de) | Akustischer oberflaechenwellenresonator | |
| DE3025871C2 (de) | Akustische Oberflächenwelleneinrichtung | |
| DE2632724A1 (de) | Wandler fuer mit oberflaechenwellen arbeitende filter mit asymmetrischer uebertragungsfunktion | |
| DE2739688C2 (enExample) | ||
| DE2843231A1 (de) | Akustische wellenanordnung | |
| DE2234564A1 (de) | Oberflaechenwellenfilter | |
| DE2531151C3 (de) | Mit elastischen Oberflächenwellen arbeitende elektromechanische Einrichtung | |
| EP0104314A2 (de) | SAW-Filter | |
| DE3700498C2 (enExample) | ||
| DE3321843C2 (enExample) | ||
| DE2439530C2 (de) | Akustisches Oberflächenwellenfilter | |
| DE69605321T2 (de) | Differenzbetriebener wandler für akustische oberflächenwellen | |
| DE2132985C3 (de) | Piezoelektrisches Filter nach dem Oberflächenwellenprinzip | |
| DE2835107C3 (de) | Wandlerelektrodenanordnung für einen elektromechanischen Wandler nach dem Oberflächenwellenprinzip | |
| DE2646402A1 (de) | Wandler fuer ein oberflaechenwellenfilter | |
| DE2233137A1 (de) | Oberflaechenwellenfilter | |
| DE69012482T2 (de) | Verbesserte Akusto-elektrische Oberflächenwellenanordnung. |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| OHN | Withdrawal |