JPS62158914U - - Google Patents
Info
- Publication number
- JPS62158914U JPS62158914U JP4564886U JP4564886U JPS62158914U JP S62158914 U JPS62158914 U JP S62158914U JP 4564886 U JP4564886 U JP 4564886U JP 4564886 U JP4564886 U JP 4564886U JP S62158914 U JPS62158914 U JP S62158914U
- Authority
- JP
- Japan
- Prior art keywords
- acoustic wave
- surface acoustic
- electrically connected
- resonance peaks
- wave resonator
- 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 13
- 238000006243 chemical reaction Methods 0.000 claims 1
- 238000010586 diagram Methods 0.000 description 4
- 230000005284 excitation Effects 0.000 description 1
- 239000000758 substrate Substances 0.000 description 1
Landscapes
- Oscillators With Electromechanical Resonators (AREA)
- Surface Acoustic Wave Elements And Circuit Networks Thereof (AREA)
Description
第１図は本発明の一実施例の弾性表面波発振器
装置を示す図、第２図はこの弾性表面波発振器装
置の弾性表面波デバイスの概略的拡大平面図、第
３図および第４図はこの弾性表面波デバイスの周
波数ピークおよび位相特性を示すグラフ、第５図
は本考案の弾性表面波発振器装置に用いる位相反
転回路を示す回路図、第６図は本考案の弾性表面
波発振器装置の他の実施例を示す概略図、第７図
は従来の弾性表面波デバイスの概略的拡大平面図
、第８図はこれらの弾性表面波デバイスの周波数
ピークを示すグラフ、第９図は従来の弾性表面波
発振器装置のブロツク図である。
１０……弾性表面波デバイス、１１……増幅器
、１２ａ，１２ｂ……マツチング回路、１３……
位相反転回路、１４……スイツチ回路、１０ａ…
…圧電基板、１０ｂ，１０ｄ……励振電極、１０
ｃ，１０ｅ……グレーテイング反射電極。
FIG. 1 is a diagram showing a surface acoustic wave oscillator device according to an embodiment of the present invention, FIG. 2 is a schematic enlarged plan view of a surface acoustic wave device of this surface acoustic wave oscillator device, and FIGS. 3 and 4 are A graph showing the frequency peak and phase characteristics of this surface acoustic wave device, FIG. 5 is a circuit diagram showing a phase inversion circuit used in the surface acoustic wave oscillator device of the present invention, and FIG. 6 is a graph showing the surface acoustic wave oscillator device of the present invention. A schematic diagram showing another embodiment, FIG. 7 is a schematic enlarged plan view of a conventional surface acoustic wave device, FIG. 8 is a graph showing frequency peaks of these surface acoustic wave devices, and FIG. 9 is a conventional surface acoustic wave device. FIG. 2 is a block diagram of a surface wave oscillator device. 10...Surface acoustic wave device, 11...Amplifier, 12a, 12b...Matching circuit, 13...
Phase inversion circuit, 14...Switch circuit, 10a...
...Piezoelectric substrate, 10b, 10d...Excitation electrode, 10
c, 10e...Grating reflective electrode.
Claims (1)
この共振ピークでの位相特性の差が実質的に１８
０°である弾性表面波共振器と、 この弾性表面波共振器に電気的に接続した位相
特性変換回路と、 前記弾性表面波共振器に電気的に接続した増幅
器とを少なくとも具備することを特徴とする弾性
表面波発振器装置。[Claims for Utility Model Registration] Having resonance peaks at two different frequencies, and the difference in phase characteristics at the resonance peaks being substantially 18
0°, a phase characteristic conversion circuit electrically connected to the surface acoustic wave resonator, and an amplifier electrically connected to the surface acoustic wave resonator. Surface acoustic wave oscillator device.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP4564886U JPS62158914U (en) | 1986-03-28 | 1986-03-28 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP4564886U JPS62158914U (en) | 1986-03-28 | 1986-03-28 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPS62158914U true JPS62158914U (en) | 1987-10-08 |
Family
ID=30864576
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP4564886U Pending JPS62158914U (en) | 1986-03-28 | 1986-03-28 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS62158914U (en) |
-
1986
- 1986-03-28 JP JP4564886U patent/JPS62158914U/ja active Pending