MEASUREMENTS OF TEMPERATURE COEFFICIENT AND PRESSURE COEFFICIENT OF QUARTZ CRYSTAL OSCILLATORS

Brown S. Leroy; Harris Sidon

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MEASUREMENTS OF TEMPERATURE COEFFICIENT AND PRESSURE COEFFICIENT OF QUARTZ CRYSTAL OSCILLATORS

机译：石英晶体振荡器的温度系数和压力系数的测量

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A method of measurement is used whereby variation in frequency of a high frequency oscillator can be measured easily to a fraction of a part in a million. The audible difference tone produced by a harmonic of a constant, high frequency oscillator and a harmonic of a second oscillator is compared to the tone of a variable, calibrated audio frequency oscillator. Any change of the frequency of the second high frequency oscillator is measured to a fraction of a cycle per second. This method of measurement is used to determine the effects of temperature and pressure on the frequency of a piezo‐electric oscillator. The temperature effect is of the order of 20 parts per million per degree centigrade while the pressure effect is of the order of only 6 parts per million per atmosphere.

机译：使用一种测量方法，由此可以容易地将高频振荡器的频率变化测量到百万分之一。将恒定高频振荡器的谐波和第二个振荡器的谐波产生的听觉差异音调与经过校准的可变音频振荡器的音调进行比较。第二高频振荡器的频率的任何变化被测量为每秒周期的分数。这种测量方法用于确定温度和压力对压电振荡器频率的影响。温度效应为每摄氏度每百万分之20量级，而压力效应每大气压仅为每百万分之6量级。

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《Review of Scientific Instruments》 |1931年第3期|共4页
作者
Brown S. Leroy; Harris Sidon;
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作者单位

High Frequency Laboratory, Department of Physics, University of Texas, Austin, Texas;

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MEASUREMENTS OF TEMPERATURE COEFFICIENT AND PRESSURE COEFFICIENT OF QUARTZ CRYSTAL OSCILLATORS

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