五、如下圖所示為一數位邏輯反相器(logic inverter)之電壓轉移特性(voltage transfer characteristic)其中VIL = 1.6 V、VIH = 3 V、VOL = 0.6 V、 VOH = 5 V,
(二)求反相器臨限(inverter threshold)即vo = vI 之vI 值 =? ( V)(10 分)