稳定电路或不稳定电路可用电路变量相对于平衡解的初期量变趋势来解释，而由反馈增益加以判断。
A stable or unstable circuit can be explained with the tendency of initial variation of circuit variables relative to the equilibrium solution, and can be discriminated on the feedback gain.
利用暂态响应解的形式和电感、电容的电压与电流的关系，导出了电感和电容的等效阻抗，从而可用电路方法求解动态电路的暂态过。
The equivalent impedances of inductor and capacitor in transient response were deduced from the exponential transient solution and the volt ampere relation of these elements.
对于这些应用，设计人员集中于电路能够连转换最小可用电压电平到有用功率。
For these applications, designers focus on circuits able to convert even the smallest available voltage levels to useful power.
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