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体声波谐振器相位噪声的参数模型。

Parametric model of the BAW resonator phase-noise.

机构信息

FEMTO-ST Institute, Frequency and Time Department, Besançon, France.

出版信息

Ultrasonics. 2011 Dec;51(8):966-73. doi: 10.1016/j.ultras.2011.05.012. Epub 2011 Jun 1.

DOI:10.1016/j.ultras.2011.05.012
PMID:21683971
Abstract

Excepted for the very short terms the frequency stability of ultra-stable oscillators is mainly limited by the resonator noise. In this work we proposed a parametric model of the bulk acoustic wave (BAW) resonator phase noise based on an equivalent circuit. This model explains phase noise generated by a BAW crystal from a point of view of parametric fluctuations and proves the f(-1) dependences of the crystal noise. The model performance is verified with simulation. Simulation results are compared to experimental data and discussed. Comparison of three existing models is made.

摘要

除了极短的时间外，超稳振荡器的频率稳定性主要受到谐振器噪声的限制。在这项工作中，我们提出了一种基于等效电路的体声波（BAW）谐振器相位噪声的参数模型。该模型从参数波动的角度解释了 BAW 晶体产生的相位噪声，并证明了晶体噪声的 f(-1)依赖性。通过仿真验证了模型性能。对仿真结果进行了实验数据对比和讨论。对三种现有模型进行了比较。

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