题目内容
要求输入电阻高．输出电阻低的阻抗变换电路可选用放大器的反馈类型为。
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理想运放工作在线性区时有两个重要特点：一是两个输入电压，称为；二是输入电流，称为。
负反馈放大电路的反馈量仅仅决定于输出量。
负反馈所能抑制的非线性失真是反馈环内产生的非线性失真。
__________ refers to the teaching and learning activities carried on for the primary purpose of helping members of an organization acquire and apply the knowledge, skills, abilities, and attitudes needed by a particular job and organization.
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