U CC =12V ,U E E = -12V, = 50, R C = 10 K Ω , R E =10 K Ω , R B = 20 K Ω , R P =1 Ω(计算忽略) , 并在输出端接负载电阻 R L = 20k Ω 计算: 静态电流 I B=( ) μA I C= ( ) mA U CQ = ( )V 差模放大倍数( ),差模输入电阻 ( ) K Ω ,差模输出电阻 ( ) K Ω
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举一反三
【单选题】He always helps us ________ he is doing when we turn to him for help.
【简答题】Choose the words and complete the passage( 选择最恰当的单词,完成短文 )(6 分 ) My grandpa’s 88th birthday is coming. We are going to have a great birthday party for him. All of my family members are going to the pa...