A Behavioral Model-Based Circuit-Level Comprehensive Modeling Method for EMC of Electronic Equipment

Abstract

The invention discloses a behavioral model-based electromagnetic compatibility circuit-level integrated modeling method for electronic equipment. The behavioral model-based electromagnetic compatibility circuit-level integrated modeling method comprises the following steps: firstly, performing equivalent circuit modeling of a front-end field structure of the electronic equipment; establishing a lumped element circuit model; then, performing behavioral model-based bottom layer physical circuit modeling; establishing a behavioral model for describing the input / output functional characteristics of a circuit; finally, performing integration on the lumped element circuit model and the behavioral model for describing the input / output functional characteristics of the circuit, and establishing an integrated circuit-level model of the electronic equipment, wherein the integrated circuit-level model is uniformly used for simulated analysis of a circuit level. According to the behavioral model-based electromagnetic compatibility circuit-level integrated modeling method disclosed by the invention, calculation is simplified, and a data interface for traditional field-circuit collaborative analysis is omitted, and the problem that a large number of product differential equations are difficult to solve due to high integration level of the circuit in a system and high complexity of digital-analog hybrid is solved; the behavioral model and the circuit model can also mutually compatible, so that the analysis efficiency is improved; the established integrated circuit model is high in universality; parameters of the model can be flexibly adjusted according to the performance of the electronic equipment; the behavioral model-based electromagnetic compatibility circuit-level integrated modeling method is simple, and is easy to implement.

Description

technical field [0001] The invention relates to the technical field of electromagnetic compatibility, in particular to a behavior model-based comprehensive modeling method for electromagnetic compatibility of electronic equipment. Background technique [0002] The methods for modeling and calculating the electromagnetic compatibility of electronic equipment can be generally classified into two categories: the field method and the path method. For complex electronic information systems (such as communication systems), traditional modeling calculations use the idea of ​​field-circuit collaborative analysis, such as figure 1 As shown, electromagnetic field software is used to calculate the electromagnetic characteristic parameters of the transmitting antenna, receiving antenna and cables, and circuit simulation software is used to calculate the internal circuit of the communication system (the transmitting end includes a signal generation circuit, RF front-end and matching netw...

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Problems solved by technology

[0004] The present invention provides a behavior model-based comprehensive modeling method for electronic equipment electromagnetic compatibility circuit level, which simplifies the calculation and omits the data interface in the traditional field-circuit collaborative analysis, and solves the problem of high integration of circuits in the system and high complexity of digital-analog mixing The problem of solving a large number of integral differential equations caused by the degree of difficulty, the behavior model and the circuit model are also compatible with each other, which improves the analysis efficiency, and the comprehensive circuit model established has strong versatility.

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