JPH0476709U - - Google Patents
Info
- Publication number
- JPH0476709U JPH0476709U JP12000590U JP12000590U JPH0476709U JP H0476709 U JPH0476709 U JP H0476709U JP 12000590 U JP12000590 U JP 12000590U JP 12000590 U JP12000590 U JP 12000590U JP H0476709 U JPH0476709 U JP H0476709U
- Authority
- JP
- Japan
- Prior art keywords
- acoustic wave
- surface acoustic
- distributor
- output terminal
- adhesive
- 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 11
- 239000000853 adhesive Substances 0.000 claims description 4
- 230000001070 adhesive effect Effects 0.000 claims description 4
- 239000013078 crystal Substances 0.000 claims description 3
- 239000011888 foil Substances 0.000 claims description 3
- 239000002184 metal Substances 0.000 claims description 3
- 239000000758 substrate Substances 0.000 claims description 3
- 239000000463 material Substances 0.000 claims 1
- 238000010586 diagram Methods 0.000 description 5
- 230000010355 oscillation Effects 0.000 description 2
Landscapes
- Surface Acoustic Wave Elements And Circuit Networks Thereof (AREA)
- Control Of Motors That Do Not Use Commutators (AREA)
- Oscillators With Electromechanical Resonators (AREA)
Description
第１図ａ，ｂはこの考案の一実施例の弾性表面
波発振器の構成図、第２図はこの考案の弾性表面
波発振器における発振周波数の温度特性を示す図
、第３図ａ，ｂはこの考案の他の実施例の弾性表
面波発振器の構成図、第４図ａ，ｂは従来の弾性
表面波発振器の構成図、第５図は従来の弾性表面
波発振器における発振周波数の温度特性を示す図
である。
図において、１は弾性表面波共振器、２ａ，２
ｂは第１、第２の増幅器、３は分配器、４は位相
器、５は気密パツケージ、６は接着剤、７は水晶
基板、８はインタデジタル電極、９は反射器、１
０は金属箔である。なお、図中、同一符号は同一
又は相当部分を示す。
Figures 1a and b are block diagrams of a surface acoustic wave oscillator according to an embodiment of this invention, Figure 2 is a diagram showing the temperature characteristics of the oscillation frequency in the surface acoustic wave oscillator of this invention, and Figures 3a and b are diagrams showing the temperature characteristics of the oscillation frequency in the surface acoustic wave oscillator of this invention. A configuration diagram of a surface acoustic wave oscillator according to another embodiment of this invention, FIGS. 4a and 4b are configuration diagrams of a conventional surface acoustic wave oscillator, and FIG. FIG. In the figure, 1 is a surface acoustic wave resonator, 2a, 2
b are first and second amplifiers, 3 is a distributor, 4 is a phase shifter, 5 is an airtight package, 6 is an adhesive, 7 is a crystal substrate, 8 is an interdigital electrode, 9 is a reflector, 1
0 is metal foil. In addition, in the figures, the same reference numerals indicate the same or corresponding parts.
Claims (1)
反射器を形成し、水晶基板の他面でインタデジタ
ル電極及び反射器の裏面を除く複数のケ所に塗布
された接着剤を介して気密パツケージ内に装着さ
れて成る弾性表面波共振器と、 弾性表面波共振器の出力端子に接続された分配
器と、分配器の一方の出力端子と弾性表面波共振
器の入力端子との間に接続された位相器及び第１
の増幅器と、分配器の他方の出力端子に接続され
た第２の増幅器とを備えた事を特徴とする弾性表
面波発振器。 (2) 接着剤と気密パツケージ間に金属箔を装着
し、金属箔と気密パツケージ間を複数のケ所に塗
布された接着剤を介して接着した事を特徴とする
実用新案登録請求の範囲第(1)項記載の弾性表面
波発振器。[Claims for Utility Model Registration] (1) Interdigital electrodes and reflectors are formed on one side of a crystal substrate, and adhesive is applied to multiple places on the other side of the crystal substrate, excluding the back side of the interdigital electrodes and reflectors. A surface acoustic wave resonator that is mounted in an airtight package via a material, a distributor connected to the output terminal of the surface acoustic wave resonator, and one output terminal of the distributor and the input of the surface acoustic wave resonator. a phase shifter connected between the terminal and the first
A surface acoustic wave oscillator comprising: an amplifier; and a second amplifier connected to the other output terminal of the distributor. (2) Utility model registration claim No. 1, which is characterized in that a metal foil is attached between the adhesive and the airtight package, and the metal foil and the airtight package are bonded via the adhesive applied at multiple locations. The surface acoustic wave oscillator described in section 1).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP12000590U JPH0476709U (en) | 1990-11-16 | 1990-11-16 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP12000590U JPH0476709U (en) | 1990-11-16 | 1990-11-16 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPH0476709U true JPH0476709U (en) | 1992-07-03 |
Family
ID=31867934
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP12000590U Pending JPH0476709U (en) | 1990-11-16 | 1990-11-16 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH0476709U (en) |
-
1990
- 1990-11-16 JP JP12000590U patent/JPH0476709U/ja active Pending
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