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By Dan FitzPatrick, Ira Miller
Analog Behavioral Modeling With The Verilog-A Language offers the IC dressmaker with an advent 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 offered. additionally, the publication is followed through the Verilog-A Explorer IDE (Integrated improvement Environment), a restricted power Verilog-A more advantageous SPICE simulator for extra studying and experimentation with the Verilog-A language. This booklet assumes a easy point of figuring out of using SPICE-based analog simulation and the Verilog HDL language, even though any programming language history 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 structures. even though, there were no analogous high-level languages on hand for analog and mixed-signal circuits and structures.
Verilog-A offers a brand new size of layout and simulation potential 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 equivalent to Verilog, that is well known because it is simple to profit and use. Making Verilog extra useful is the truth that numerous instruments exist within the that supplement and expand Verilog's features ...
Behavioral Modeling With the Verilog-A Language presents an exceptional advent and foundation for college kids and working towards engineers with curiosity in figuring out this new point of simulation know-how. This e-book includes various examples that improve the textual content fabric and supply a worthy studying device for the reader. The textual content and the simulation application integrated can be utilized for person research or in a school room atmosphere ...'
Dr. Thomas A. DeMassa, Professor of Engineering, Arizona nation University
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Extra info for Analog Behavioral Modeling with the Verilog-A Language
The access function name must match the discipline declaration for the nodes or ports given in the argument expression list. 6 Probes, Sources, and Signal Assignment The Verilog-A language uses what is referred to as the probe-source formulation for describing analog behaviors. The probe-source formulation is a simple (and probably familiar) concept that allows for describing high-level behaviors. The contribution operator “<+”, in conjunction with the probe-source formulation, form the basis for the description of analog behaviors in the Verilog-A language.
Similar conditions can occur for the signals from which the behavior is formulated. For example, a voltage divider could be represented behaviorally as, V(out) <+ V(numer)/V(denom); If V(denom) ever goes to zero, which can happen during the course of a simulation or at initialization, a similar divide by zero condition can occur. It is up to the modeler, with an understanding of the task at hand, to insure that the model is mathematically valid. The model developer must also insure the model is stable or well-behaved.
Within the system for KFL and KPL are satisfied: where is the iteration of the solution for x. The reltol within the convergence criteria, is a global option of the simulation. The and are associated with the type, or nature of the unknown x. 1 Introduction The Verilog-A language allows analog and mixed-signal systems to be described by a set of components or modules and the signals that interconnect them. Modules are the fundamental user-defined primitive in the Verilog-A language. Modules can be defined structurally and/or behaviorally.
Analog Behavioral Modeling with the Verilog-A Language by Dan FitzPatrick, Ira Miller