【单选题】The predicative part(表语部分) of the following sentence “Thanks to the great progress made in China’s education, it’s no wonder that China has become one of the most popular destinations for overseas stu...
【简答题】电流源电路-镜像电流源、微电流源 判断下列说法是否正确,对者选“YES”错者选“NO”。 在上图所示镜像电流源电路中,VT1、VT2特性相同且[mathjaxinline]eta[/mathjaxinline]足够大,[mathjaxinline]R_2[/mathjaxinline]是电流源的负载电路的等效电阻。现欲使电流源[mathjaxinline]I_{
m {C2}}[/mathjaxi...