• 中国计算机学会会刊
  • 中国科技核心期刊
  • 中文核心期刊

计算机工程与科学 ›› 2024, Vol. 46 ›› Issue (06): 951-958.

• 高性能计算 • 上一篇    下一篇

基于PSS+PXF的ISF高精度振荡器噪声分析模型

袁珩洲1,2,桑浩1,2 ,刘胜1,2 ,陈小文1,2 ,颜广达1,2,郭阳1,2   

  1. (1.国防科技大学计算机学院,湖南  长沙 410073;2.先进微处理器芯片与系统重点实验室,湖南  长沙 410073)
  • 收稿日期:2023-09-01 修回日期:2023-10-17 接受日期:2024-06-25 出版日期:2024-06-25 发布日期:2024-06-17
  • 基金资助:
    国家自然科学基金(62104257);国防科大校科研基金(ZK21-34);国防科工重点实验室基金(WDZC20215250110)

A high-precision oscillator noise analysis model of ISF based on PSS+PXF

YUAN Heng-zhou1,2 ,SANG Hao1,2,LIU Sheng1,2,CHEN Xiao-wen1,2,YAN Guang-da1,2,GUO Yang1,2   

  1. (1.College of Computer Science and Technology,National University of Defense Technology,Changsha 410073;
    2.Key Laboratory of Advanced Microprocessor Chips and Systems,Changsha 410073,China)
  • Received:2023-09-01 Revised:2023-10-17 Accepted:2024-06-25 Online:2024-06-25 Published:2024-06-17

摘要: 提出了一种基于PSS+PXF的ISF的相位噪声模型,用于预测振荡器的相位噪声。该模型相对传统的拉扎维模型考虑了振荡器的非线性时变特性,因此更加精确。通过仿真验证了该模型的有效性,基于PSS+PXF的ISF的相位噪声模型精度相比传统拉扎维模型提升200%以上。

关键词: 振荡器高精度, 相位噪声, 振荡器, 脉冲灵敏度, 周期稳态, 周期传输函数

Abstract: This paper proposes a phase noise model of ISF based on PSS+PXF to predict the phase noise of the oscillator. Compared with the traditional Lazavi model, the model takes into account the nonlinear time-varying characteristics of the oscillator, so it is more accurate. The effectiveness of the model is verified through simulation. The phase noise model precision of the ISF based on PSS+PXF is more than 200% higher than that of the traditional Razavi model.

Key words: oscillator high precision, phase noise, oscillator, impulse sensitivity function(ISF), periodic steady state(PSS), periodic transfer function (PXF)