高阶电荷泵锁相环的线性离散时间模型

2011 20th European Conference on Circuit Theory and Design (ECCTD) Pub Date : 2011-10-13 DOI:10.1109/ECCTD.2011.6043385

Chuang Bi, P. Curran, O. Feely

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引用次数: 2

摘要

本文建立了高阶电荷泵锁相环的线性化离散时间模型。分析了cp - pll在稳态下的行为，得出了一个重要的特征。在平衡点周围线性化了cp - pll的非线性状态方程。最后利用Matlab和PSpice进行了行为仿真，验证了线性化的离散时间模型。

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Linearized discrete-time model of higher order Charge-Pump PLLs

In this paper, we derive linearized discrete-time models of higher order Charge-Pump Phase-Locked Loops (CPPLLs). The behaviour of CP-PLLs in the steady state is analysed and an important feature is developed. The nonlinear state equations of CP-PLLs are linearized around the equilibrium point. The linearized discrete-time model is finally verified using behavioral simulations in Matlab and PSpice.

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2011 20th European Conference on Circuit Theory and Design (ECCTD)

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