GB2050742B - Surface acoustic wave filter - Google Patents
Surface acoustic wave filterInfo
- Publication number
- GB2050742B GB2050742B GB8015689A GB8015689A GB2050742B GB 2050742 B GB2050742 B GB 2050742B GB 8015689 A GB8015689 A GB 8015689A GB 8015689 A GB8015689 A GB 8015689A GB 2050742 B GB2050742 B GB 2050742B
- Authority
- GB
- United Kingdom
- Prior art keywords
- acoustic wave
- surface acoustic
- wave filter
- filter
- wave
- 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
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
- H03H9/02842—Means for compensation or elimination of undesirable effects of reflections
-
- 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
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 |
---|---|---|---|
JP5991579A JPS55151810A (en) | 1979-05-15 | 1979-05-15 | Elastic surface wave filter |
Publications (2)
Publication Number | Publication Date |
---|---|
GB2050742A GB2050742A (en) | 1981-01-07 |
GB2050742B true GB2050742B (en) | 1983-03-23 |
Family
ID=13126894
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
GB8015689A Expired GB2050742B (en) | 1979-05-15 | 1980-05-12 | Surface acoustic wave filter |
Country Status (3)
Country | Link |
---|---|
JP (1) | JPS55151810A (en) |
DE (1) | DE3018080C2 (en) |
GB (1) | GB2050742B (en) |
Families Citing this family (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS5791083A (en) * | 1980-11-28 | 1982-06-07 | Toshiba Corp | Surface acoustic wave filter for television receiver |
JPS61121513A (en) * | 1984-11-16 | 1986-06-09 | Matsushita Electric Ind Co Ltd | Control method for amplitude characteristics of surface wave filter |
DE3517254A1 (en) * | 1985-05-13 | 1986-11-13 | Siemens AG, 1000 Berlin und 8000 München | ELECTRIC FILTER WORKING WITH ACOUSTIC SHAFTS |
Family Cites Families (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS5333557A (en) * | 1976-08-24 | 1978-03-29 | Toshiba Corp | Elastic surface wave element |
US4096455A (en) * | 1977-02-23 | 1978-06-20 | Tektronix, Inc. | Surface wave termination for saw device |
-
1979
- 1979-05-15 JP JP5991579A patent/JPS55151810A/en active Pending
-
1980
- 1980-05-12 GB GB8015689A patent/GB2050742B/en not_active Expired
- 1980-05-12 DE DE19803018080 patent/DE3018080C2/en not_active Expired
Also Published As
Publication number | Publication date |
---|---|
GB2050742A (en) | 1981-01-07 |
DE3018080C2 (en) | 1986-02-06 |
JPS55151810A (en) | 1980-11-26 |
DE3018080A1 (en) | 1980-11-20 |
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Legal Events
Date | Code | Title | Description |
---|---|---|---|
PE20 | Patent expired after termination of 20 years |
Effective date: 20000511 |