By Dan FitzPatrick, Ira Miller

Analog Behavioral Modeling With The Verilog-A Language offers the IC dressmaker with an creation to the methodologies and makes use of of analog behavioral modeling with the Verilog-A language. In doing so, an summary of Verilog-A language constructs in addition to functions utilizing the language are provided. furthermore, the ebook is observed through the Verilog-A Explorer IDE (Integrated improvement Environment), a restricted potential Verilog-A greater SPICE simulator for extra studying and experimentation with the Verilog-A language. This publication assumes a uncomplicated point of realizing of using SPICE-based analog simulation and the Verilog HDL language, even though any programming language heritage and a bit decision may still suffice.
From the Foreword:
`Verilog-A is a brand new layout language (HDL) for analog circuit and platforms layout. because the mid-eighties, Verilog HDL has been used greatly within the layout and verification of electronic platforms. in spite of the fact that, there were no analogous high-level languages on hand for analog and mixed-signal circuits and structures.
Verilog-A presents a brand new measurement of layout and simulation power for analog digital structures. formerly, analog simulation has been dependent upon the SPICE circuit simulator or a few by-product of it. electronic simulation is basically played with a description language similar to Verilog, that's well known because it is straightforward to profit and use. Making Verilog extra precious is the truth that numerous instruments exist within the that supplement and expand Verilog's functions ...
Behavioral Modeling With the Verilog-A Language presents an outstanding creation and foundation for college kids and training engineers with curiosity in figuring out this new point of simulation know-how. This publication comprises a variety of examples that improve the textual content fabric and supply a beneficial studying device for the reader. The textual content and the simulation software integrated can be utilized for person learn or in a lecture room surroundings ...'
Dr. Thomas A. DeMassa, Professor of Engineering, Arizona country college

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Extra info for Analog Behavioral Modeling with the Verilog-A Language

Sample text

The structural definition of systems allows the designer to pass parametric specifications, as well as connections, throughout the levels of hierarchy in the design. The assignment of the parameters and connections of child modules is done via parameter and port association. The Verilog-A language allows parameters to be assigned and ports to be connected by position or name. 2 Verilog-A definition of the modem system in Figure 2-1. carrier_freq(fc)) demod(dout, cout, clk) ; 1. Verilog-A language extends the Verilog HDL specification for structural definition via the addition of named association for parameters.

20, where f is a probe that measures the flow through the branch, and p is a probe that measures the potential across the branch. Hence, both potential and flow sources can assign as well as measure quantities across their respective branches. 3 Illustrated Examples The concepts of probes and sources in the Verilog-A language is readily illustrated using examples of the controlled sources that are the staple of behavioral modeling in Spice. These include the current- and voltage-controlled current and voltage sources.

The analog behavioral descriptions are encapsulated within analog statements (or blocks) within a module definition. The behavioral descriptions are mathematical mappings which relate the input signals of the module to output signals in terms of a large-signal or time-domain behavioral description. The mapping uses the Verilog-A language contribution operator “<+” which assigns an expression to a signal. The assigned expression can be linear, non-linear, algebraic and/or differential functions of the input signals.

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