Superposition properties of the phase noise based on the LTV model

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• 作者：S. A. Hashemi (1) ahashemi@aut.ac.ir
  H. Ghafoorifard (1) ghafoorifard@aut.ac.ir
  A. Abdipour (1)
• 关键词：Electrical oscillators &#8211 ; Linear Time Variant model (LTV) &#8211 ; Phase noise &#8211 ; Superposition
• 刊名：Analog Integrated Circuits and Signal Processing
• 出版年：2012
• 出版时间：October 2012
• 年：2012
• 卷：73
• 期：1
• 页码：423-426
• 全文大小：273.1 KB
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• 作者单位：1. Electrical Engineering Department, Amirkabir University of Technology, Tehran, Iran
• ISSN：1573-1979

文摘

Using the Linear Time Variant model, for electrical oscillators, it is shown that the superposition of phase noise spectra generated by individual noise sources leads to incorrect result at low offset frequencies while summation of their phase deviations and calculating the final phase noise will give more accurate result.