JPS6183330U - - Google Patents
Info
- Publication number
- JPS6183330U JPS6183330U JP16852884U JP16852884U JPS6183330U JP S6183330 U JPS6183330 U JP S6183330U JP 16852884 U JP16852884 U JP 16852884U JP 16852884 U JP16852884 U JP 16852884U JP S6183330 U JPS6183330 U JP S6183330U
- Authority
- JP
- Japan
- Prior art keywords
- acoustic wave
- surface acoustic
- filter
- transducers
- poles
- 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.)
- Granted
Links
- 238000010897 surface acoustic wave method Methods 0.000 claims description 9
- 238000010586 diagram Methods 0.000 description 3
- 239000000758 substrate Substances 0.000 description 1
Landscapes
- Surface Acoustic Wave Elements And Circuit Networks Thereof (AREA)
Description
第１図はこの考案の表面弾性波フイルタの一実
施例を示す線図、第２図Ａ及びＢこの考案の説明
に供する多電極構成フイルタ及び２電極構成フイ
ルタのフイルタ特性を示す線図、第２図Ｃはこの
考案の表面弾性波フイルタのフイルタ特性を示す
線図、第３図〜第５図は従来の表面弾性波フイル
タの説明に供する線図である。
１…圧電基板、２…入力用変換器、３…出力用
変換器、４…入力端子、５…出力端子。
FIG. 1 is a diagram showing an embodiment of the surface acoustic wave filter of this invention, FIGS. FIG. 2C is a diagram showing the filter characteristics of the surface acoustic wave filter of this invention, and FIGS. 3 to 5 are diagrams for explaining conventional surface acoustic wave filters. DESCRIPTION OF SYMBOLS 1...Piezoelectric substrate, 2...Input converter, 3...Output converter, 4...Input terminal, 5...Output terminal.
Claims (1)
有する表面弾性波変換器を複数個並べて成る多電
極構成の表面弾性波フイルタにおいて、各表面弾
性波変換器を、これら表面弾性波変換器の中心間
の間隔ｌを ｌ＝ｆ０λ／（２△ｆ１） 但し、λ ：表面弾性波の波長 ｆ０：フイルタの中心周波数 として、配列して成ることを特徴とする表面弾性
波フイルタ。[Claims for Utility Model Registration] In a surface acoustic wave filter having a multi-electrode configuration in which a plurality of surface acoustic wave transducers having a frequency interval Δf 1 between poles of attenuation of filter characteristics are arranged, each surface acoustic wave transducer is The spacing l between the centers of these surface acoustic wave transducers is l=f 0 λ/(2△f 1 ) where λ is the wavelength of the surface acoustic wave and f 0 is the center frequency of the filter. surface acoustic wave filter.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP16852884U JPH0241950Y2 (en) | 1984-11-08 | 1984-11-08 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP16852884U JPH0241950Y2 (en) | 1984-11-08 | 1984-11-08 |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPS6183330U true JPS6183330U (en) | 1986-06-02 |
| JPH0241950Y2 JPH0241950Y2 (en) | 1990-11-08 |
Family
ID=30726296
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP16852884U Expired JPH0241950Y2 (en) | 1984-11-08 | 1984-11-08 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH0241950Y2 (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH0391311A (en) * | 1989-09-04 | 1991-04-16 | Japan Radio Co Ltd | Surface acoustic wave filter |
-
1984
- 1984-11-08 JP JP16852884U patent/JPH0241950Y2/ja not_active Expired
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH0391311A (en) * | 1989-09-04 | 1991-04-16 | Japan Radio Co Ltd | Surface acoustic wave filter |
Also Published As
| Publication number | Publication date |
|---|---|
| JPH0241950Y2 (en) | 1990-11-08 |
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