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Phase noise analysis of source injection coupled quadrature oscillator

机译:源注射耦合正交振荡器的相位噪声分析

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SummaryThis paper analyzes the thermally induced phase noise and the up‐conversion of flicker noise into phase noise of source injection coupled quadrature oscillator (SIC‐QOSC), for the first time. Furthermore, this paper provides a complete analysis for the injection current of the SIC‐QOSC and extracts the closed‐form expressions for it for the first time, too. These expressions lead to obtaining the harmonics of the injection current as well as the oscillation amplitude, which is necessary for the phase noise analysis. To evaluate the extracted equations, this paper compares the calculated results with appropriate simulations. Comparisons confirm the accuracy of the proposed injection current expressions and the phase noise formulas. Using the closed‐form equations of phase noise, designers can understand the SIC‐QOSC's design tradeoffs and design the oscillator for given phase noise.
机译:Siground本文首次分析了热诱导的相位噪声和闪烁噪声的闪烁噪声的上转换为源注射耦合正交振荡器(SIC-QOC)的相位噪声。此外,本文为SiC-QOSC的喷射电流提供了完整的分析,并将其首次提取闭合形式表达式。这些表达导致获取注射电流的谐波以及相位噪声分析所必需的振荡幅度。为了评估提取的方程,本文将计算结果与适当的模拟进行比较。比较证实了所提出的注射电流表达和相位噪声公式的准确性。使用相位噪声的闭合形式方程,设计人员可以了解SIC-QOSC的设计权衡并设计振荡器,以便给定相位噪声。

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