JPS62277805A - Surface acoustic wave oscillator - Google Patents
Surface acoustic wave oscillatorInfo
- Publication number
- JPS62277805A JPS62277805A JP12180986A JP12180986A JPS62277805A JP S62277805 A JPS62277805 A JP S62277805A JP 12180986 A JP12180986 A JP 12180986A JP 12180986 A JP12180986 A JP 12180986A JP S62277805 A JPS62277805 A JP S62277805A
- Authority
- JP
- Japan
- Prior art keywords
- surface acoustic
- acoustic wave
- oscillator
- resonator
- filter
- 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 title claims abstract description 34
- 230000010355 oscillation Effects 0.000 claims abstract description 10
- 239000000758 substrate Substances 0.000 claims description 8
- 229910052751 metal Inorganic materials 0.000 claims description 3
- 239000002184 metal Substances 0.000 claims description 3
- 230000003321 amplification Effects 0.000 claims description 2
- 238000003199 nucleic acid amplification method Methods 0.000 claims description 2
- 238000004519 manufacturing process Methods 0.000 abstract description 2
- 239000013078 crystal Substances 0.000 description 4
- 238000010586 diagram Methods 0.000 description 4
- 238000000034 method Methods 0.000 description 2
- 229910052782 aluminium Inorganic materials 0.000 description 1
- XAGFODPZIPBFFR-UHFFFAOYSA-N aluminium Chemical compound [Al] XAGFODPZIPBFFR-UHFFFAOYSA-N 0.000 description 1
- 239000000919 ceramic Substances 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 239000004615 ingredient Substances 0.000 description 1
Landscapes
- Oscillators With Electromechanical Resonators (AREA)
Abstract
Description
【発明の詳細な説明】 ３、発明の詳細な説明 （産業上の利用分野） 本発明は弾性表面波発振器に関する。[Detailed description of the invention] 3. Detailed description of the invention (Industrial application field) The present invention relates to a surface acoustic wave oscillator.
（従来の技術）
弾性表面波を用いた発振器はＶＨＦおよびＵＨＦ帯で安
定した発振動作を行うという特長がある。(Prior Art) Oscillators using surface acoustic waves have the advantage of performing stable oscillation operations in the VHF and UHF bands.
そのため、従来よシ弾性表面波共振子と逓倍器とから構
成される弾性表面波発振器が実用に供てれている。For this reason, surface acoustic wave oscillators composed of a surface acoustic wave resonator and a multiplier have conventionally been put into practical use.
（発明が解決しようとする問題点）
ところで従来の弾性表面波発振器は、希望出力信号を得
るために弾性表面波発振器の出力を帯域濾波器に通す必
要がある。そのため、弾性表面波発振器の外形が大形に
なるという欠点がある。(Problems to be Solved by the Invention) In the conventional surface acoustic wave oscillator, it is necessary to pass the output of the surface acoustic wave oscillator through a bandpass filter in order to obtain a desired output signal. Therefore, there is a drawback that the surface acoustic wave oscillator has a large external shape.
本発明の目的は上述の欠点を除去し、構成が簡単で小形
化量産化に適した安価な弾性表面波発振器を提供するこ
とにある。An object of the present invention is to eliminate the above-mentioned drawbacks, and to provide an inexpensive surface acoustic wave oscillator that has a simple structure and is suitable for miniaturization and mass production.
（問題点を解決するための手段）
前記目的を達成するために本発明による弾性表面波発振
器は弾性表面波共振器と増幅素子とからなる発振回路と
、前記発振回路出力を逓倍する逓倍部と、前記弾性表面
波共振器と同一基板上に形成された金属パターンよりな
り、前記逓倍部用力の不要波を除去する濾波器とから構
成されている。(Means for Solving the Problems) In order to achieve the above object, a surface acoustic wave oscillator according to the present invention includes an oscillation circuit including a surface acoustic wave resonator and an amplification element, and a multiplier for multiplying the output of the oscillation circuit. , and a filter that is made of a metal pattern formed on the same substrate as the surface acoustic wave resonator and removes unnecessary waves of the power from the multiplier section.
前記構成によれば小形化が図れるとともに、構成が簡単
で安価とな９、本発明の目的は完全に達成される。According to the above structure, it is possible to achieve miniaturization, and the structure is simple and inexpensive9, and the object of the present invention is completely achieved.
（実施例） 次に、図面を参照して本発明をさらに詳しく説明する。(Example) Next, the present invention will be explained in more detail with reference to the drawings.
第１図は本発明による弾性表面波発振器の一実施例を示
すブロック図である。弾性表面波発振器は発振部１１発
振部の出力を逓倍する逓倍部２、および弾性表面波共振
器９と戸波器１０とからなる弾性表面波ユニット３よ多
構成されている。FIG. 1 is a block diagram showing an embodiment of a surface acoustic wave oscillator according to the present invention. The surface acoustic wave oscillator is composed of an oscillating section 11, a multiplier section 2 for multiplying the output of the oscillating section, and a surface acoustic wave unit 3 consisting of a surface acoustic wave resonator 9 and a wave device 10.
発振部ｌは弾性表面波ユニット３内にある共振器９に端
子４．５′ｆ：、介して接続されており、共振器によっ
て発振を持続している。発振部１ｃＩ出力は逓倍部２に
接続され、必要とする高調波を発生する。セして逓倍部
２の出力は弾性表面波ユニット３内にある戸波器１０に
端子６を介して接続されている。弾性表面波ユニット３
の端子７からは不要信号が除去された出力信号が得られ
、端子１３に出力される。The oscillator 1 is connected to a resonator 9 in the surface acoustic wave unit 3 via a terminal 4.5'f:, and continues oscillation by the resonator. The output of the oscillator 1cI is connected to the multiplier 2 and generates the necessary harmonics. The output of the multiplier section 2 is connected to a wave device 10 in the surface acoustic wave unit 3 via a terminal 6. Surface acoustic wave unit 3
An output signal from which unnecessary signals have been removed is obtained from the terminal 7 and is output to the terminal 13.
ｗＩＪ２図は不要成分を低減し、希望波を取出す過程を
示している。第２図において、縦軸は信号レベル、横軸
は周波数である。（ａ）は発振部ｌの出力端子１１の出
力信号成分を、（ｂ）は逓倍部２の出力端子１２の出力
信号成分を、そして第２図（Ｃ）は発振器の端子１３に
出力する信号成分を示している。The wIJ2 diagram shows the process of reducing unnecessary components and extracting desired waves. In FIG. 2, the vertical axis is the signal level, and the horizontal axis is the frequency. (a) shows the output signal component of the output terminal 11 of the oscillator 1, (b) shows the output signal component of the output terminal 12 of the multiplier 2, and FIG. 2 (C) shows the signal output to the oscillator terminal 13. Ingredients are shown.
第８図は弾性表面波ユニット３の構造を示す概略斜視図
である。第３図において保持器のベース１５の上に水晶
基板が取付けられ、水晶基板１４の上に共振器９のパタ
ーンおよび濾波器１０のパターンがアルミニュウム等に
より蒸着されている。FIG. 8 is a schematic perspective view showing the structure of the surface acoustic wave unit 3. In FIG. 3, a crystal substrate is mounted on a base 15 of the holder, and a pattern of a resonator 9 and a pattern of a filter 10 are deposited on the crystal substrate 14 using aluminum or the like.
そして共振器パターンおよびテ波器パターンは、そｔし
それ端子４．５．６および８に接続され、外部と接続可
能となっている。なお、端子８は共通接地端子である。The resonator pattern and the transducer pattern are then connected to terminals 4, 5, 6 and 8, allowing connection to the outside. Note that the terminal 8 is a common ground terminal.
この水晶基板は金属またはセラミック容器によシ気密封
入されることはもちろんである。Of course, this crystal substrate is hermetically sealed in a metal or ceramic container.
（発明の効果）
以上、説明したように本発明は弾性表面波共振器とＰ波
器とを同一基板上に構成することにより、出力信号歪を
低減した良好な出力信号が得られ、弾性表面波発振器を
小形にすることができる。(Effects of the Invention) As explained above, the present invention provides a surface acoustic wave resonator and a P-wave resonator on the same substrate, thereby obtaining a good output signal with reduced output signal distortion. The wave oscillator can be made smaller.
また、共振器とテ波器が同一基板上に形成されているか
ら周波数温度特性も相互に補償可能である。さらに弾性
表面波共振器とテ波器を同時に製造、調整できるので、
発振器としてのテ波器の調整が不要になる。Furthermore, since the resonator and the waveguide are formed on the same substrate, the frequency-temperature characteristics can also be compensated for each other. Furthermore, since surface acoustic wave resonators and Te wave resonators can be manufactured and adjusted at the same time,
Adjustment of the Te waver as an oscillator becomes unnecessary.
第１図は本発明による弾性表面波発振器の実施例を示す
ブロック図、第２図は不要波除去の過程を示す図、第３
図は弾性表面波ユニットの一実施例を示す概略斜視図で
ある。
ｌ・・・発振部
２・・・逓倍部
３・・・弾性表面波ユニット
４．５．６，７．８・・・端子
９・・・弾性表面波共振器
ｌＯ−・・ろ波器
１１．１２．１３・・・出力端子
１４・・・水晶基板
１５・・−ベースFIG. 1 is a block diagram showing an embodiment of the surface acoustic wave oscillator according to the present invention, FIG. 2 is a diagram showing the process of unnecessary wave removal, and FIG.
The figure is a schematic perspective view showing one embodiment of a surface acoustic wave unit. l... Oscillator 2... Multiplier 3... Surface acoustic wave unit 4.5.6, 7.8... Terminal 9... Surface acoustic wave resonator lO-... Filter 11 .12.13...Output terminal 14...Crystal substrate 15...-Base
Claims (1)
記発振回路出力を逓倍する逓倍部と、前記弾性表面波共
振器と同一基板上に形成された金属パターンよりなり、
前記逓倍部出力の不要波を除去する濾波器とから構成さ
れたことを特徴とする弾性表面波発振器。An oscillation circuit consisting of a surface acoustic wave resonator and an amplification element, a multiplier section that multiplies the output of the oscillation circuit, and a metal pattern formed on the same substrate as the surface acoustic wave resonator,
A surface acoustic wave oscillator comprising: a filter for removing unnecessary waves output from the multiplier section.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP12180986A JPS62277805A (en) | 1986-05-27 | 1986-05-27 | Surface acoustic wave oscillator |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP12180986A JPS62277805A (en) | 1986-05-27 | 1986-05-27 | Surface acoustic wave oscillator |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPS62277805A true JPS62277805A (en) | 1987-12-02 |
Family
ID=14820464
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP12180986A Pending JPS62277805A (en) | 1986-05-27 | 1986-05-27 | Surface acoustic wave oscillator |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS62277805A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2017085280A (en) * | 2015-10-26 | 2017-05-18 | セイコーエプソン株式会社 | Oscillation module, electronic apparatus, and mobile body |
Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS59133737A (en) * | 1983-01-20 | 1984-08-01 | Toshiba Corp | Intermediate frequency block |
| JPS61158207A (en) * | 1984-12-29 | 1986-07-17 | Toshiba Corp | Surface acoustic wave device |
-
1986
- 1986-05-27 JP JP12180986A patent/JPS62277805A/en active Pending
Patent Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS59133737A (en) * | 1983-01-20 | 1984-08-01 | Toshiba Corp | Intermediate frequency block |
| JPS61158207A (en) * | 1984-12-29 | 1986-07-17 | Toshiba Corp | Surface acoustic wave device |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2017085280A (en) * | 2015-10-26 | 2017-05-18 | セイコーエプソン株式会社 | Oscillation module, electronic apparatus, and mobile body |
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