Design of time-continuous Sigma Delta-Modulators - Equivalence between time-continuous and time-discrete Systems

被引：0

作者：

Anders, J. ^{[1
]}

Mathis, W. ^{[2
]}

Ortmanns, M. ^{[2
]}

机构：

[1] Leibniz Univ Hannover, Inst Theoret Elektrotech, Appelstr 9A, D-30167 Hannover, Germany

[2] Albert Ludwigs Univ, Inst Mikrosyst Technol, D-79110 Freiburg, Germany

来源：

ADVANCES IN RADIO SCIENCE | 2007年 / 5卷

关键词：

Digital control systems - Discrete time control systems - Continuous time systems - Delta sigma modulation;

D O I：

10.5194/ars-5-221-2007

中图分类号：

TM [电工技术]; TN [电子技术、通信技术];

学科分类号：

0808 ; 0809 ;

摘要：

In the article at hand a complete equivalency, i.e. including the input signal, between continuous-time and discrete-time Delta Sigma-modulators in state-space is derived. In addition, it is shown, how one can incorporate the important non-ideality of "excess loop delay" into the formalism. The method introduced is supposed to facilitate the design, especially the stability analysis part of the design, of continuous time Delta Sigma s by making use of the empirically thoroughly examined discrete-time systems.

引用

页码：221 / 224

页数：4

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