【简答题】News came that the relieving force would not be able to come according to the time schedule; the soldiers there had to endure the de______.
【单选题】三极管构成的放大电路正常放大信号时,三极管工作在( )区。22
【单选题】三极管构成的放大电路正常放大信号时,三极管工作在( )区。
【简答题】运算放大器有两个工作区。在 区工作时,放大器放大小信号;当输入为大信号时,它工作在 区,输出电压为到 。A. 线性B. 非线性C. 饱和值
【判断题】当集成运算放大器工作在饱和区时,输出信号与两个输入端(同相输入端和反相输入端)信号的差值成比例。
【简答题】News came that the relieving force would not be able to come according to the time schedule; the soldiers there had to endure the de______.
【单选题】According to this passage, a scientist would conceive of a 'table' as being ______.
A.
a solid motionless object
B.
certain characteristic vibrations in 'ether'
C.
a form. fixed in space and time
D.
a mass of atoms on motion
【判断题】运算放大器应用在信号运算方面时,都是工作在饱和区的。