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CMOS Sigma-Delta Converters: Practical Design Guide by Rocío del Río, José M. de la Rosa

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Chapter 3

Behavioral Modeling and High-Level Simulation

The analysis of nonideal effects described in Chapter 2 allows us to derive precise equivalent circuits and models for the different M building blocks. This chapter shows how these models can be used for improving the accuracy and computational efficiency of system-level simulations. This constitutes an essential tool for the systematic design of Ms as will be described in Chapter 4.

This chapter is organized as follows. Section 3.1 describes the systematic top-down/bottom-up synthesis methodology commonly followed to design Ms. Section 3.2 compares the different simulation approaches that can be used for the evaluation of Ms, emphasizing on the benefits of behavioral simulation techniques. Section 3.3 focuses on the behavioral modeling technique and Section 3.4 shows an efficient way of implementing M block models in SIMULINK. Finally, Section 3.5 presents SIMSIDES, a time-domain behavioral simulator implemented in the MATLAB/SIMULINK ...

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