JPS6098917U - Piezoelectric vibrator oscillation circuit - Google Patents
Piezoelectric vibrator oscillation circuitInfo
- Publication number
- JPS6098917U JPS6098917U JP19186483U JP19186483U JPS6098917U JP S6098917 U JPS6098917 U JP S6098917U JP 19186483 U JP19186483 U JP 19186483U JP 19186483 U JP19186483 U JP 19186483U JP S6098917 U JPS6098917 U JP S6098917U
- Authority
- JP
- Japan
- Prior art keywords
- temperature
- piezoelectric vibrator
- compensation
- oscillation frequency
- oscillation circuit
- 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
Landscapes
- Oscillators With Electromechanical Resonators (AREA)
- Inductance-Capacitance Distribution Constants And Capacitance-Resistance Oscillators (AREA)
- Stabilization Of Oscillater, Synchronisation, Frequency Synthesizers (AREA)
Abstract
(57)【要約】本公報は電子出願前の出願データであるた
め要約のデータは記録されません。(57) [Summary] This bulletin contains application data before electronic filing, so abstract data is not recorded.
Description
第１図はＡＴカット水晶振動子の周波数温度特性を示す
グラフ、第２図は本考案による圧電振動子発振回路の実
施例を示す回路図、第３図は温域抵抗発熱素子の温度特
性を示すグラフ、第４図は本考案による発振回路の温度
特性を示すグラフである。
１・・・発振回路、２・・・圧電振動子、３・・・高温
時の温度補償回路、４・・・保持器、５・・・温感抵抗
発熱素子、６・・・電源。Fig. 1 is a graph showing the frequency-temperature characteristics of an AT-cut crystal resonator, Fig. 2 is a circuit diagram showing an embodiment of the piezoelectric resonator oscillation circuit according to the present invention, and Fig. 3 is a graph showing the temperature characteristics of a temperature-range resistance heating element. The graph shown in FIG. 4 is a graph showing the temperature characteristics of the oscillation circuit according to the present invention. DESCRIPTION OF SYMBOLS 1... Oscillation circuit, 2... Piezoelectric vibrator, 3... Temperature compensation circuit at high temperature, 4... Holder, 5... Temperature-sensitive resistance heating element, 6... Power source.
Claims (1)
ャップよりなり、圧電振動子の負荷容量を変化させるこ
とにより発振周波数の温度補正を行う補償回路を接続し
、圧電振動子を保持する容器に、所定の温度以上になる
と急激に抵抗値が増加する温域抵抗発熱素子を取付け、
高温時は前記補償回路により発振周波数の温度補償を行
い、低温時は温感抵抗発熱素子によって圧電振動子の容
器をほぼ所定温度に保ち発振周波数の温度補償を行うよ
うに構成したことを特徴とする圧電振動子発振回路。A compensation circuit consisting of a temperature-sensitive resistance element, a resistance element, and a capacitor or a varicap, which performs temperature correction of the oscillation frequency by changing the load capacitance of the piezoelectric vibrator, is connected to the container holding the piezoelectric vibrator. Install a temperature range resistance heating element whose resistance value increases rapidly when the temperature exceeds the temperature.
When the temperature is high, the compensation circuit performs temperature compensation on the oscillation frequency, and when the temperature is low, the temperature-sensitive resistance heating element maintains the container of the piezoelectric vibrator at approximately a predetermined temperature, and performs temperature compensation on the oscillation frequency. piezoelectric vibrator oscillation circuit.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP19186483U JPS6098917U (en) | 1983-12-13 | 1983-12-13 | Piezoelectric vibrator oscillation circuit |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP19186483U JPS6098917U (en) | 1983-12-13 | 1983-12-13 | Piezoelectric vibrator oscillation circuit |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPS6098917U true JPS6098917U (en) | 1985-07-05 |
Family
ID=30413060
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP19186483U Pending JPS6098917U (en) | 1983-12-13 | 1983-12-13 | Piezoelectric vibrator oscillation circuit |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS6098917U (en) |
-
1983
- 1983-12-13 JP JP19186483U patent/JPS6098917U/en active Pending
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