Fundamental Concepts
In this introductory chapter, we describe what we mean by digital, analog and mixed-signal system modeling and see why modeling and simulation are an important part of the design process. We see how the hardware description language VHDL-AMS can be used to model digital, analog and mixed-signal systems and introduce some of the basic concepts underlying the language. We complete this chapter with a description of the basic lexical and syntactic elements of the language, to form a basis for the detailed descriptions of language features that follow in later chapters.
1.1 Modeling Systems
If we are to discuss the topic of modeling digital, analog and mixed-signal systems, we first need to agree on what we mean ...
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