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【单选题】
在下图a所示电路中,由于电路参数不同,在信号源电压为正弦波时,测得输出波形如图b所示,试说明电路产生了什么失真?如何消除?( ) 图a 图bA.
饱和失真;增大Rb,减小Rc
B.
饱和失真;减小Rb,增大Rc
C.
截止失真;增大Rb,减小Rc
D.
截止失真;减小Rb
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A.
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B.
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C.
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A.
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B.
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