Multi-Objective Optimization Methods for CMOS LC-VCO Design

Maria-Ermioni Plagaki, Konstantinos Touloupas, P. Sotiriadis
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引用次数: 1

Abstract

This work addresses the use of Electronic Design Automation (EDA) tools for topology selection and optimal sizing of Voltage Controlled Oscillator (VCO) Integrated Circuits (ICs). Instead of relying on empirical data and closed form equations to select device sizes, a simulation-based approach is adopted for better accuracy. By using an optimization method based on Evolutionary Algorithms (EAs) in combination with a tool for parametrized schematic simulations, we are able to asses the attainable performance trade-offs for different topologies and oscillation frequencies. We use Cadence Spectre for simulations and demonstrate our approach on two cross-coupled LC-VCO topologies by providing with Pareto optimal Fronts.
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CMOS LC-VCO设计的多目标优化方法
这项工作解决了使用电子设计自动化(EDA)工具进行拓扑选择和电压控制振荡器(VCO)集成电路(ic)的最佳尺寸。采用基于模拟的方法来选择器件尺寸,而不是依靠经验数据和封闭形式方程来选择器件尺寸,以提高精度。通过使用基于进化算法(EAs)的优化方法与参数化原理图模拟工具相结合,我们能够评估不同拓扑和振荡频率下可实现的性能权衡。我们使用Cadence Spectre进行模拟,并通过提供Pareto最优front在两个交叉耦合LC-VCO拓扑上演示我们的方法。
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