发布时间:2019-09-02 17:37:07
3ic + 120ib = 6 - VBEQ,3βib + 120ib = 6 - 0.6,3 * 80ib + 120ib = 5.4,ib = 3/200 mA;
VceQ = 6 - 3ic = 6 - 3βib = 6 - 3 * 80 * 3/200 = 2.4 v 。