交流通路中理想直流电压源的短路处理

Short Circuit Processing of Ideal DC Voltage Source in AC Path

利用等效电路分析法分离交流通路时,理想直流电压源要作短路处理。对这一问题进行比较全面的分析阐述,对含非线性元件的放大电路转化为线性电路的前提进行了分析。得到了在放大电路工作点确定、输入信号为小信号的前提下,可将非线性的放大电路转化为线性电路,从而利用叠加原理进行分析计算,在处理方法上,理想直流电压源在交流通路中要做短路处理的结论。

When alternating current path was separated with the equivalent circuit analysis method,the short circuit processing for the ideal DC voltage source should be performed.In order to analyze this question thoroughly,the premise that amplifying circuit containing nonlinear elements transforms a linear amplifying circuit is analyzed.The analysis results yield the conclusions that the nonlinearity amplifying circuit should be transformed into linearity amplifying circuit in the premise that the amplifier operating point has determined and the input signal is small signal,and that the short circuit processing for the ideal DC voltage source should be carried out.