【简答题】有一OTL电路如下图所示。设电源电压 V CC = 20V, R L = 8Ω,三极管T 2 ,T 3 的 β = 20, V C(BR)CEO = 70V, I CM = 4A, P CM = 20W(加散热片)试求: (1)在理想极限运用情况下的 P om 值; (2)当不失真输出功率 P o = 3.65W时的效率 η (3)若 V CC 改为24V, R L 改为3.5Ω,此时的 P om...
【简答题】Write the questions about Chapter Three in the Past Tense(过去时)and answer them: 1. What/ inspector Fix / need / before / he / can / arrest Phileas Fogg?