【用戶】Chen
【年級】高二下
【評論內容】V1, V2做戴維寧等效Vth = 0.5V, Rth = 0.5RV3, V4做戴維寧等效Vth = 3.5V, Rth = 0.5R套用減法器公式Vo = R/0.5R * (Vth2-Vth1) = 2*(3.5-0.5) = 4V