【单选题】【消耗次数:1】
为使集成运放工作在线性区,电路中应引入( )。
电流反馈
电压反馈
负反馈
正反馈
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相关题目
【单选题】 为使集成运放工作在线性区,电路中应引入
①  正反馈
②  电压反馈
③  电流反馈
④  负反馈
【判断题】 凡是引入正反馈的集成运放,一定工作在非线性区。
①  正确
②  错误
【判断题】 在构成电压比较器时集成运放工作在开环或正反馈状态。
①  正确
②  错误
【判断题】 使输入量减小的反馈是负反馈,否则为正反馈。
①  正确
②  错误
【判断题】 电压负反馈稳定输出电压,电流负反馈稳定输出电流。
①  正确
②  错误
【判断题】 正反馈是指反馈信号增强净输入信号;负反馈是指反馈信号减弱净输入信号。
①  正确
②  错误
【判断题】 在放大电路中引入电压负反馈可以使输出电阻减小,在放大电路中引入电流负反馈可以使输出电阻增大。
①  正确
②  错误
【单选题】 在集成运放电路中引入了深度负反馈,则同相输入端电压和反相输入端电压( )
①  近似短路
②  近似开路
③  近似接地
④  两者无关
【判断题】 只要引入正反馈,电路就会产生正弦波振荡。
①  正确
②  错误
【判断题】 设计一个电压-电流转换电路需引入电流串联负反馈。
①  正确
②  错误
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