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英语翻译The following sections explain how to use SPICE to do AC

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英语翻译
The following sections explain how to use SPICE to do AC analysis.Before doing an AC analysis,SPICE finds the DC operating-point values for the circuit variables.Next,SPICE linearizes the circuit about this operating point and does an AC phasor analysis using the circuit's operating-point linearization.For a linear circuit this two-step process is equivalent to setting all DC sources to zero and then doint an AC analysis.However,when the circuit contains nonlinear elenents the difference between these two processes is significant.
楼主,我帮你翻译好了.(PS:二极管,三极管等)这一句是我加上去的,便于你的理解,请无视.
The following sections explain how to use SPICE to do AC analysis.Before doing an AC analysis,SPICE finds the DC operating-point values for the circuit variables.Next,SPICE linearizes the circuit about this operating point and does an AC phasor analysis using the circuit's operating-point linearization.For a linear circuit this two-step process is equivalent to setting all DC sources to zero and then doint an AC analysis.However,when the circuit contains nonlinear elenents the difference between these two processes is significant.
以下章节将讲解如何使用SPICE软件(Simulation Program with Integrated Circuit Emphasis 集成电路仿真软件)去做交流分析.在开始一个交流分析之前,SPICE为电路变量找到直流(静态)工作点的值.紧接着,根据这个工作点SPICE把这个电路线性化,使用这个电路线性化的工作点做一个交流向量分析.对于一个线性电路,这种两步处理法等效于把所有的直流源短路,然后做一个交流分析.然而当电路包含有非线性元件(PS:二极管,三极管等)这种两步处理法的区别是非常明显的.