SU855941A1 - Device for determining extremum point of temperature-frequency characteristic of quartz resonators - Google Patents
Device for determining extremum point of temperature-frequency characteristic of quartz resonators Download PDFInfo
- Publication number
- SU855941A1 SU855941A1 SU792859968A SU2859968A SU855941A1 SU 855941 A1 SU855941 A1 SU 855941A1 SU 792859968 A SU792859968 A SU 792859968A SU 2859968 A SU2859968 A SU 2859968A SU 855941 A1 SU855941 A1 SU 855941A1
- Authority
- SU
- USSR - Soviet Union
- Prior art keywords
- temperature
- frequency characteristic
- quartz resonators
- extremum point
- determining
- Prior art date
Links
- 239000010453 quartz Substances 0.000 title description 7
- VYPSYNLAJGMNEJ-UHFFFAOYSA-N silicon dioxide Inorganic materials O=[Si]=O VYPSYNLAJGMNEJ-UHFFFAOYSA-N 0.000 title description 7
- 239000003990 capacitor Substances 0.000 description 1
- 238000005259 measurement Methods 0.000 description 1
Landscapes
- Stabilization Of Oscillater, Synchronisation, Frequency Synthesizers (AREA)
Description
SS
Изобретение относитс к радиотехнике, и может быть использовано дл измерени температуры экстремальной точки те.мпературно-частотной характеристики при производственном контроле кварцевых резонаторов .The invention relates to radio engineering, and can be used to measure the temperature of the extreme point of a temperature-frequency characteristic during production control of quartz resonators.
Известно устройство дл измерени температурного коэффициента частоты кварцевых резонаторов, позвол юн.1ее измер ть температуру экстремальной точки, содержащее два регулируемых источника тепла, датчик температуры, фазовый компаратор, измеритель частоты и автогенератор 1.A device for measuring the temperature coefficient of the frequency of quartz resonators is known, allowing one to measure the temperature of the extreme point, which contains two adjustable heat sources, a temperature sensor, a phase comparator, a frequency meter and an auto-oscillator 1.
Однако это устройство не обеспечивает необходимой точности измерени и производительности .However, this device does not provide the necessary measurement accuracy and performance.
Известно также устройство дл определени экстремальной точки температурночастотной характеристики кварцевых резонаторов , содержащее два нерегулируемых источника тепла и испытуемый кварцевый резонатор, подключенный к автогенератору, соединенному со входом компаратора частоты , второй вход которого соединен с управл емым генератором эталонной частоты, а выход соединен со схемой индикации, состо ихей из диода, соединенного с сигна.льНОЙ клеммой накопительного конденсатора, шунтированного последовательно соединенными ключом и разр дным резистором, котора соединена также с последовательно соединенными усилителем и калибровочным резистором 2.It is also known a device for determining the extremal point of the temperature-frequency characteristic of quartz resonators, containing two unregulated heat sources and a test quartz resonator connected to an oscillator connected to the input of a frequency comparator, the second input of which is connected to a controlled reference frequency generator, and the output connected to an indication circuit, state of diode connected to the signal terminal of the storage capacitor shunted in series with a switch and p sp dnym resistor which is also connected with the series connected amplifier and the gauge resistor 2.
Недостатком этого устройства вл етс низка точность определени температуры экстре.мальной точки в особенности дл кварцевых резонаторов, имеющих больи1ой технологический разброс параметров температурно-частотной характеристики.A disadvantage of this device is the low accuracy of determining the temperature of the extremum point, especially for quartz resonators with a large technological variation in the parameters of the temperature-frequency characteristic.
Цель изобретени - повыщение точности измерени температуры экстремальной точки температурно-частотной характеристики кварцевых резонаторов.The purpose of the invention is to increase the accuracy of measuring the temperature of the extreme point of the temperature-frequency characteristic of quartz resonators.
Claims (2)
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| SU792859968A SU855941A1 (en) | 1979-12-26 | 1979-12-26 | Device for determining extremum point of temperature-frequency characteristic of quartz resonators |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| SU792859968A SU855941A1 (en) | 1979-12-26 | 1979-12-26 | Device for determining extremum point of temperature-frequency characteristic of quartz resonators |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| SU855941A1 true SU855941A1 (en) | 1981-08-15 |
Family
ID=20868058
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| SU792859968A SU855941A1 (en) | 1979-12-26 | 1979-12-26 | Device for determining extremum point of temperature-frequency characteristic of quartz resonators |
Country Status (1)
| Country | Link |
|---|---|
| SU (1) | SU855941A1 (en) |
-
1979
- 1979-12-26 SU SU792859968A patent/SU855941A1/en active
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