JPH0386627U - - Google Patents
Info
- Publication number
- JPH0386627U JPH0386627U JP14801489U JP14801489U JPH0386627U JP H0386627 U JPH0386627 U JP H0386627U JP 14801489 U JP14801489 U JP 14801489U JP 14801489 U JP14801489 U JP 14801489U JP H0386627 U JPH0386627 U JP H0386627U
- Authority
- JP
- Japan
- Prior art keywords
- acoustic wave
- surface acoustic
- wave filter
- pairs
- utility
- 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
- 238000010897 surface acoustic wave method Methods 0.000 claims description 4
- 239000000758 substrate Substances 0.000 claims 1
- 238000010586 diagram Methods 0.000 description 3
Landscapes
- Surface Acoustic Wave Elements And Circuit Networks Thereof (AREA)
Description
第１図は本考案の一実施例の弾性表面波フイル
タを示す平面図、第２図及び第３図は同実施例に
おける共振器型フイルタのフイルタ特性を示す図
、第４図は同実施例の弾性表面波フイルタのフイ
ルタ特性を示す図、第５図は従来の弾性表面波フ
イルタの平面図、第６図は従来の弾性表面波フイ
ルタのフイルタ特性を示す図である。
１……交叉指状電極Ａ、２……反射器、３……
共振器型フイルタＡ、４……交叉指状電極Ｂ、５
……共振器型フイルタＢ。
FIG. 1 is a plan view showing a surface acoustic wave filter according to an embodiment of the present invention, FIGS. 2 and 3 are diagrams showing filter characteristics of a resonator filter according to the same embodiment, and FIG. 4 is a diagram showing the filter characteristics of the resonator type filter according to the same embodiment. FIG. 5 is a plan view of a conventional surface acoustic wave filter, and FIG. 6 is a diagram showing filter characteristics of a conventional surface acoustic wave filter. 1...Cross-finger electrode A, 2...Reflector, 3...
Resonator type filter A, 4...Cross-finger electrode B, 5
...Resonator type filter B.
Claims (1)
の対数の異なる２つの共振器を備えることを特徴
とする弾性表面波フイルタ。 1. A surface acoustic wave filter comprising two resonators disposed on a piezoelectric substrate and each having a different number of pairs of interdigitated electrodes.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP14801489U JPH0386627U (en) | 1989-12-21 | 1989-12-21 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP14801489U JPH0386627U (en) | 1989-12-21 | 1989-12-21 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPH0386627U true JPH0386627U (en) | 1991-09-02 |
Family
ID=31694482
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP14801489U Pending JPH0386627U (en) | 1989-12-21 | 1989-12-21 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH0386627U (en) |
-
1989
- 1989-12-21 JP JP14801489U patent/JPH0386627U/ja active Pending