Positive SSL
1 如圖所示,二極體導通電壓 VD=0.7V,順向電阻RF=200Ω, V1=5V、V2=5V、V3=0V、R1=2kΩ、R2=1kΩ、R3=1kΩ、求VO
A 1.8V
B 4V
C 0.7V
D 2.3V