DE8623186U1 - Oberflächenwellenfilter - Google Patents
OberflächenwellenfilterInfo
- Publication number
- DE8623186U1 DE8623186U1 DE19868623186 DE8623186U DE8623186U1 DE 8623186 U1 DE8623186 U1 DE 8623186U1 DE 19868623186 DE19868623186 DE 19868623186 DE 8623186 U DE8623186 U DE 8623186U DE 8623186 U1 DE8623186 U1 DE 8623186U1
- Authority
- DE
- Germany
- Prior art keywords
- finger electrodes
- acoustic wave
- surface acoustic
- wave filter
- transducer
- 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 title claims description 10
- 239000000463 material Substances 0.000 claims description 3
- 238000004519 manufacturing process Methods 0.000 description 2
- 244000309464 bull Species 0.000 description 1
- 239000003795 chemical substances by application Substances 0.000 description 1
- 230000001066 destructive effect Effects 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 230000005284 excitation Effects 0.000 description 1
- 238000001465 metallisation Methods 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 239000000758 substrate Substances 0.000 description 1
- 230000001052 transient effect 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
- H03H9/02—Details
- H03H9/02535—Details of surface acoustic wave devices
- H03H9/02614—Treatment of substrates, e.g. curved, spherical, cylindrical substrates ensuring closed round-about circuits for the acoustical waves
- H03H9/02629—Treatment of substrates, e.g. curved, spherical, cylindrical substrates ensuring closed round-about circuits for the acoustical waves of the edges
-
- 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
- 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
- H03H9/14517—Means for weighting
- H03H9/14526—Finger withdrawal
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 |
---|---|---|---|
DE19868623186 DE8623186U1 (de) | 1986-08-29 | 1986-08-29 | Oberflächenwellenfilter |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
DE19868623186 DE8623186U1 (de) | 1986-08-29 | 1986-08-29 | Oberflächenwellenfilter |
Publications (1)
Publication Number | Publication Date |
---|---|
DE8623186U1 true DE8623186U1 (de) | 1988-03-03 |
Family
ID=6797820
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
DE19868623186 Expired DE8623186U1 (de) | 1986-08-29 | 1986-08-29 | Oberflächenwellenfilter |
Country Status (1)
Country | Link |
---|---|
DE (1) | DE8623186U1 (it) |
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
EP0279678A2 (en) * | 1987-02-19 | 1988-08-24 | Hazeltine Corporation | Surface wave delay line with antireflective electrodes |
-
1986
- 1986-08-29 DE DE19868623186 patent/DE8623186U1/de not_active Expired
Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
EP0279678A2 (en) * | 1987-02-19 | 1988-08-24 | Hazeltine Corporation | Surface wave delay line with antireflective electrodes |
EP0279678A3 (en) * | 1987-02-19 | 1990-01-31 | Hazeltine Corporation | Surface wave delay line with antireflective electrodes |
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