【简答题】电路如图题4.7.8所示(射极偏置电路),设信号源内阻R s =5kΩ,电路参数为:R b1 =33kΩ,R b2 =22kΩ,R e =3.9kΩ,R c =4.7kΩ,R L =5.1kΩ,在R e 两端并接一电容C e =50μF,V CC =5V,I EQ =0.33mA,β 0 =120,r ce =300kΩ,r bb' =50Ω,f T =700MHz及C b'e =1pF。求:(1...
【简答题】教育是我们家庭最看重的传统,这就是为什么我父母从不带我到昂贵的饭店吃饭,却送我到最好的私立学校上学。 (cherish) ____________________(教育是我们家庭最看重的传统). That's why my parents never took me to dinner at expensive restaurants, but sent me to the best privat...