Matlab/Simulink中的高级连续σ δ设计

2009 NORCHIP Pub Date : 2009-11-01 DOI:10.1109/NORCHP.2009.5397821

R. Kaald, I. Løkken, B. Hernes, T. Saether

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引用次数: 7

摘要

本文提出了用Matlab/Simulink开发的连续时间δ - σ调制器(CTSD)行为仿真框架。回顾了CTSD设计中的错误来源，并解释了如何从系统级目标性能派生出子模块规范。本文还讨论了使用Simulink进行CTSD建模时需要注意的事项，如求解器的选择和仿真速度的优化。通过一个CTSD设计示例来说明结果和误差模型。

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High-level continuous-time sigma delta design in Matlab/Simulink

This paper presents a framework for behavioral simulations of continuous time delta-sigma modulators (CTSD) developed in Matlab/Simulink. Error sources in CTSD designs are reviewed and it is explained how sub-module specifications can be derived from a system-level target performance. The paper also discusses considerations of importance when using Simulink for CTSD modelling, like the choice of solver and simulation speed optimization. An example CTSD design is used throughout to illustrate the results and error models.

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来源期刊

2009 NORCHIP

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