跨谱噪声测量中的功率分配器热噪声相关性

2016 IEEE International Frequency Control Symposium (IFCS) Pub Date : 2016-05-09 DOI:10.1109/FCS.2016.7546717

A. Hati, C. Nelson, D. Howe, C. F. Danielson

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引用次数: 1

摘要

讨论了威尔金森功率分配器的反相关热噪声对热限制振荡器的相位噪声测量的破坏。我们还研究了各种电阻式功率分配器的热噪声对噪声测量的影响。此外，我们还引入了一种新的技术来解决跨光谱坍缩问题。

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Power splitter thermal noise correlations in cross-spectrum noise measurements

We discuss collapse of the cross-spectrum phase noise measurement of thermally-limited oscillator due to anti-correlated thermal noise of the Wilkinson power splitter. We also examine effect of thermal noise of various resistive power splitters on such noise measurements. In addition, we introduce a novel technique to solve the cross-spectrum collapse.

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2016 IEEE International Frequency Control Symposium (IFCS)

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