JPS6150536B2 - - Google Patents
Info
- Publication number
- JPS6150536B2 JPS6150536B2 JP54024001A JP2400179A JPS6150536B2 JP S6150536 B2 JPS6150536 B2 JP S6150536B2 JP 54024001 A JP54024001 A JP 54024001A JP 2400179 A JP2400179 A JP 2400179A JP S6150536 B2 JPS6150536 B2 JP S6150536B2
- Authority
- JP
- Japan
- Prior art keywords
- transducer
- output
- surface acoustic
- segments
- input
- 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
- 238000010897 surface acoustic wave method Methods 0.000 claims description 15
- 239000000758 substrate Substances 0.000 claims description 10
- 238000005452 bending Methods 0.000 claims description 2
- 238000003780 insertion Methods 0.000 description 6
- 230000037431 insertion Effects 0.000 description 6
- 239000000463 material Substances 0.000 description 5
- 230000000694 effects Effects 0.000 description 4
- 229910052751 metal Inorganic materials 0.000 description 3
- 239000002184 metal Substances 0.000 description 3
- 238000000034 method Methods 0.000 description 3
- 239000000919 ceramic Substances 0.000 description 2
- 230000008859 change Effects 0.000 description 2
- 238000006243 chemical reaction Methods 0.000 description 2
- 238000010586 diagram Methods 0.000 description 2
- 230000002411 adverse Effects 0.000 description 1
- 229910052782 aluminium Inorganic materials 0.000 description 1
- XAGFODPZIPBFFR-UHFFFAOYSA-N aluminium Chemical compound [Al] XAGFODPZIPBFFR-UHFFFAOYSA-N 0.000 description 1
- 230000008901 benefit Effects 0.000 description 1
- 239000003990 capacitor Substances 0.000 description 1
- 230000008878 coupling Effects 0.000 description 1
- 238000010168 coupling process Methods 0.000 description 1
- 238000005859 coupling reaction Methods 0.000 description 1
- 238000000151 deposition Methods 0.000 description 1
- PCHJSUWPFVWCPO-UHFFFAOYSA-N gold Chemical compound [Au] PCHJSUWPFVWCPO-UHFFFAOYSA-N 0.000 description 1
- 229910052737 gold Inorganic materials 0.000 description 1
- 239000010931 gold Substances 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 230000004044 response 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 devices; Electromechanical resonators
- H03H9/46—Filters
- H03H9/64—Filters using surface acoustic waves
- H03H9/6489—Compensation of undesirable effects
- H03H9/6496—Reducing ripple in transfer characteristic
-
- 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
- H03H9/0285—Means for compensation or elimination of undesirable effects of reflections of triple transit echo
-
- 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
Landscapes
- Physics & Mathematics (AREA)
- Acoustics & Sound (AREA)
- Surface Acoustic Wave Elements And Circuit Networks Thereof (AREA)
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP2400179A JPS55115712A (en) | 1979-02-28 | 1979-02-28 | Elastic surface wave filter |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP2400179A JPS55115712A (en) | 1979-02-28 | 1979-02-28 | Elastic surface wave filter |
Publications (2)
Publication Number | Publication Date |
---|---|
JPS55115712A JPS55115712A (en) | 1980-09-05 |
JPS6150536B2 true JPS6150536B2 (de) | 1986-11-05 |
Family
ID=12126321
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP2400179A Granted JPS55115712A (en) | 1979-02-28 | 1979-02-28 | Elastic surface wave filter |
Country Status (1)
Country | Link |
---|---|
JP (1) | JPS55115712A (de) |
Families Citing this family (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
EP0782255B1 (de) * | 1995-12-28 | 2002-03-27 | Murata Manufacturing Co., Ltd. | Akustisches Oberflächenwellenresonatorfilter mit longitudinaler Kopplung |
JP2006261964A (ja) * | 2005-03-16 | 2006-09-28 | Epson Toyocom Corp | 弾性表面波フィルタ |
DE102012112237A1 (de) * | 2012-12-13 | 2014-06-18 | Epcos Ag | Elektroakustisches Bandpassfilter mit geglätteter Einfügedämpfung |
Citations (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS5437553A (en) * | 1977-08-29 | 1979-03-20 | Matsushita Electric Ind Co Ltd | Elastic surface-wave filter |
-
1979
- 1979-02-28 JP JP2400179A patent/JPS55115712A/ja active Granted
Patent Citations (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS5437553A (en) * | 1977-08-29 | 1979-03-20 | Matsushita Electric Ind Co Ltd | Elastic surface-wave filter |
Also Published As
Publication number | Publication date |
---|---|
JPS55115712A (en) | 1980-09-05 |
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