JPS5976131U - Surface acoustic wave “ro” wave device - Google Patents
Surface acoustic wave “ro” wave deviceInfo
- Publication number
- JPS5976131U JPS5976131U JP17044582U JP17044582U JPS5976131U JP S5976131 U JPS5976131 U JP S5976131U JP 17044582 U JP17044582 U JP 17044582U JP 17044582 U JP17044582 U JP 17044582U JP S5976131 U JPS5976131 U JP S5976131U
- Authority
- JP
- Japan
- Prior art keywords
- surface acoustic
- acoustic wave
- wave
- apotite
- spacing
- 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
Landscapes
- Surface Acoustic Wave Elements And Circuit Networks Thereof (AREA)
Abstract
(57)【要約】本公報は電子出願前の出願データであるた
め要約のデータは記録されません。(57) [Summary] This bulletin contains application data before electronic filing, so abstract data is not recorded.
Description
第１図は従来の一般的なＳＡＷフィルタの構成図、第２
図は従来の＋λ電極幅及び間隔を持つアポタイト型トラ
ンスデユーサ、第３図は従来の＋λ電極幅及び間隔をも
つアポタイト型トランスデユーサ、第４図は本考案によ
るアポタイト型トラ 、ンスデューサ、第５図は第４図
におけるダミー電極部の反射波を示す図、第６図は第４
図の装置の動作説明図である。
（符号の説明；第４図）、１；電圧印加電極部、・２；
ダミー電極、３；励振電極。Figure 1 is a configuration diagram of a conventional general SAW filter, Figure 2
The figure shows an apotite-type transducer with a conventional +λ electrode width and spacing, FIG. 3 shows an apotite-type transducer with a conventional +λ electrode width and spacing, and FIG. 4 shows an apotite-type transducer according to the present invention. Figure 5 is a diagram showing the reflected waves of the dummy electrode part in Figure 4, and Figure 6 is a diagram showing the reflected waves of the dummy electrode section in Figure 4.
FIG. 3 is an explanatory diagram of the operation of the device shown in the figure. (Explanation of symbols; Fig. 4), 1; Voltage application electrode section, 2;
Dummy electrode, 3; excitation electrode.
Claims (2)
るトランスデユーサを有する表面弾性波群波器において
、アポタイト型トランスデユーサのダミー電極の幅及び
間隔が波長の整数倍と波長の＋との和であることを特徴
とする表面弾性波ろ波器。(1) In a surface acoustic wave group wave device having a transducer using apotite-type interdigital electrodes on a piezoelectric substrate, the width and spacing of the dummy electrodes of the apotite-type transducer are an integral multiple of the wavelength and + of the wavelength. A surface acoustic wave filter characterized in that the sum of
であるごとき実用新案登録請求の範囲第１項記載の表面
弾性波ろ波器。(2) The width and spacing of the dummy electrodes are
A surface acoustic wave filter according to claim 1 of the utility model registration claim.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP17044582U JPS5976131U (en) | 1982-11-12 | 1982-11-12 | Surface acoustic wave “ro” wave device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP17044582U JPS5976131U (en) | 1982-11-12 | 1982-11-12 | Surface acoustic wave “ro” wave device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPS5976131U true JPS5976131U (en) | 1984-05-23 |
Family
ID=30372092
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP17044582U Pending JPS5976131U (en) | 1982-11-12 | 1982-11-12 | Surface acoustic wave “ro” wave device |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS5976131U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH01128606A (en) * | 1987-11-13 | 1989-05-22 | Hitachi Ltd | Surface acoustic wave device |
| WO2012084460A1 (en) * | 2010-12-22 | 2012-06-28 | Epcos Ag | Electroacoustic resonator |
-
1982
- 1982-11-12 JP JP17044582U patent/JPS5976131U/en active Pending
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH01128606A (en) * | 1987-11-13 | 1989-05-22 | Hitachi Ltd | Surface acoustic wave device |
| WO2012084460A1 (en) * | 2010-12-22 | 2012-06-28 | Epcos Ag | Electroacoustic resonator |
| JP2014502809A (en) * | 2010-12-22 | 2014-02-03 | エプコス アクチエンゲゼルシャフト | Electroacoustic resonator |
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