JPH0443023U - - Google Patents
Info
- Publication number
- JPH0443023U JPH0443023U JP8557090U JP8557090U JPH0443023U JP H0443023 U JPH0443023 U JP H0443023U JP 8557090 U JP8557090 U JP 8557090U JP 8557090 U JP8557090 U JP 8557090U JP H0443023 U JPH0443023 U JP H0443023U
- Authority
- JP
- Japan
- Prior art keywords
- acoustic wave
- surface acoustic
- wave resonator
- excitation power
- switches
- 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 6
- 230000005284 excitation Effects 0.000 claims description 2
- 230000000737 periodic effect Effects 0.000 claims 1
- 238000010586 diagram Methods 0.000 description 6
- 239000000758 substrate Substances 0.000 description 1
Landscapes
- Surface Acoustic Wave Elements And Circuit Networks Thereof (AREA)
Description
第１図は本考案の一実施例を示す構成図、第２
図は電極の膜厚と頂点温度の関係を示す図、第３
図は実施例の周波数−温度特性図、第４図は本考
案の他の実施例を示す構成図、第５図は他の実施
例の周波数−温度特性図、第６図は弾性表面波共
振子の周波数−温度特性図。第７図はＡＴカツト
厚みすべり振動子の周波数−温度特性図である。
１……基板、２……すだれ状電極、５Ａ，５Ｂ
，１４……切換スイツチ、６……励振電源、７，
１５……温度センサ、１１，１２，１３……弾性
表面波共振子。
Fig. 1 is a configuration diagram showing one embodiment of the present invention;
The figure shows the relationship between the electrode film thickness and the peak temperature.
The figure is a frequency-temperature characteristic diagram of the embodiment, Figure 4 is a configuration diagram showing another embodiment of the present invention, Figure 5 is a frequency-temperature characteristic diagram of another embodiment, and Figure 6 is surface acoustic wave resonance. Frequency-temperature characteristic diagram of the child. FIG. 7 is a frequency-temperature characteristic diagram of the AT-cut thickness-shear oscillator. 1... Substrate, 2... Interdigital electrode, 5A, 5B
, 14... Selector switch, 6... Excitation power supply, 7,
15... Temperature sensor, 11, 12, 13... Surface acoustic wave resonator.
Claims (1)
周期温度によつて前記弾性表面波共振子を切り換
えて励磁電源に接続する切換スイツチとを備えた
ことを特徴とする弾性表面波素子。 Multiple surface acoustic wave resonators with different peak temperatures,
A surface acoustic wave element comprising: a changeover switch that switches the surface acoustic wave resonator and connects the surface acoustic wave resonator to an excitation power source according to a periodic temperature.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP8557090U JPH0443023U (en) | 1990-08-13 | 1990-08-13 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP8557090U JPH0443023U (en) | 1990-08-13 | 1990-08-13 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPH0443023U true JPH0443023U (en) | 1992-04-13 |
Family
ID=31634783
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP8557090U Pending JPH0443023U (en) | 1990-08-13 | 1990-08-13 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH0443023U (en) |
Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS4866357A (en) * | 1971-12-13 | 1973-09-11 | ||
| JPS5491376A (en) * | 1977-12-28 | 1979-07-19 | Seiko Instr & Electronics Ltd | Electronic watch |
| JPS63283223A (en) * | 1987-05-14 | 1988-11-21 | Nec Corp | Surface acoustic wave device |
-
1990
- 1990-08-13 JP JP8557090U patent/JPH0443023U/ja active Pending
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS4866357A (en) * | 1971-12-13 | 1973-09-11 | ||
| JPS5491376A (en) * | 1977-12-28 | 1979-07-19 | Seiko Instr & Electronics Ltd | Electronic watch |
| JPS63283223A (en) * | 1987-05-14 | 1988-11-21 | Nec Corp | Surface acoustic wave device |
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