【简答题】在下图所示的电路中,已知 R B1 =62k Ω , R B2 =15k Ω , V CC =24V , R C =3k Ω , R E =3k Ω , R L =3k Ω , C 1 = C 2 =20 μ F , C E =47 μ F ;设晶体管为硅管,其 β =50 , r bb’ =100 Ω , U BEQ =0.7V 。( 1 )计算静态值 I CQ 、 U CQ 、 U CEQ ;...
【单选题】To eliminate child-labor_____, the Labor Organization, a special agency of the United Nations, has introduced several child-labor conventions among its members.