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Highly accurate temperature stable clock based on differential frequency discrimination of oscillators
Highly accurate temperature stable clock based on differential frequency discrimination of oscillators
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机译:基于振荡器的差分频率鉴别的高精度温度稳定时钟
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摘要
An apparatus and a method for compensating for a mismatch in temperature coefficients of two oscillator frequencies to match a desired frequency ratio between the two oscillator frequencies over a temperature range. In one embodiment of a temperature sensor, first and second oscillators of different temperature characteristics are coupled to a differential frequency discriminator (DFD) circuit. The DFD circuit compensates for the different characteristics in order to match a frequency difference between the first and second frequencies over a temperature range.
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