CMOS正交压控振荡器优化的图形化方法

2010 XIth International Workshop on Symbolic and Numerical Methods, Modeling and Applications to Circuit Design (SM2ACD) Pub Date : 2010-12-17 DOI:10.1109/SM2ACD.2010.5672355

Mellouli Dorra, M. Hassene, M. Loulou

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引用次数: 0

摘要

本文介绍了一种基于两个LC-tank电压控制振荡器耦合的正交电压控制振荡器(qvco)的图形化优化方法。为了在满足功耗、油箱幅值、调谐范围和启动条件等设计约束的情况下，优化QVCO的相位噪声，提出了三维相位噪声分析图和图形化优化方法。所获得的QVCO可以在2.2GHz和2.58GHz之间调谐，并且在与2.4 GHz载波的1MHz偏移时显示出−129 dBc/Hz的相位噪声，电流消耗为9.25mW。I和Q信号的等效相位误差和幅度误差分别为0.65°和1.87%。

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Graphical method for the optimization of CMOS quadrature VCO

This paper describes a graphical method for the optimization of Quadrature Voltage Controlled Oscillators (QVCOs) based on the coupling of two LC-tank VCO. A three-dimensional phase noise analysis diagram and graphical optimization approach is presented, to optimize QVCO phase noise while satisfying design constraints such as power dissipation, tank amplitude, tuning range and start up condition. The obtained QVCO can be tuned between 2.2GHz and 2.58GHz, and shows a phase noise of −129 dBc/Hz at 1MHz offset from a 2.4 GHz carrier, for a current consumption of 9.25mW. The equivalent phase error and amplitude error between I and Q signals are respectively 0.65° and 1.87%.

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来源期刊

2010 XIth International Workshop on Symbolic and Numerical Methods, Modeling and Applications to Circuit Design (SM2ACD)

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