Analog Behavioral Modeling with the Verilog-A Language by Dan FitzPatrick, Ira Miller

By Dan FitzPatrick, Ira Miller

This ebook definately want an editor. a number of the examples,even the elemental examples are riddled with mistakes. it truly is an okay learn yet do not anticipate to be a amateur after examining this booklet.

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

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I(n3, n4) <+ . . 1 1. A branch cannot simultaneously be both a potential and a flow source, though it can switch between them, in which case it is referred to as a switch branch. Analog System Description and Simulation 35 Analog System Description and Simulation Both the potential and the flow of a source branch are accessible in expressions anywhere in the module. 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.

This is accomplished via the strict enforcement of conservation laws that the Verilog-A language semantics defined for the simulation of analog systems. 4. 0); Analog System Description and Simulation 17 Analog System Description and Simulation where $vt ()1 is a Verilog-A system task that returns the thermal voltage. Time-differential constructs as in the capacitor: can be expressed in the Verilog-A language as, I(n1,n2) <+ ddt(C*V(n1, n2)); where ddt() performs time-differentiation of its argument.

2 Behavioral Descriptions The Verilog-A language provides the fundamental capabilities necessary for describing the behavior of modules comprising analog and mixed-signal systems. Within a module definition, the analog behavioral descriptions are encapsulated within analog statements or blocks: analog begin end The analog statement encapsulates a large-signal behavior for the model valid for all time. The large-signal model of a component is the behavior expressed in the time domain.

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