发布时间:2019-08-01 13:06:42
波形图
电容支路两端,戴维宁等效电压 U = 12/2 = 6v,等效电阻 R = 3/2 = 1.5Ω;
uc(0) = -2v,uc(∞) = 6v;-t/τ = -t/[ ( 1.5 + 5 ) * 500 * 10^(-6) ] = -1000t;
uc(t) = -2 + [ 6 - (-2) ][ 1 - e^(-1000t) ] = 6 - 8e^(-1000t) 。