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COMPARATOR WITH OFFSET COMPENSATION FUNCTION AND DIGITAL /ANALOG CONVERTER WITH OFFSET COMPENSATION FUNCTION
COMPARATOR WITH OFFSET COMPENSATION FUNCTION AND DIGITAL /ANALOG CONVERTER WITH OFFSET COMPENSATION FUNCTION
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机译:具有失调补偿功能的比较器和具有失调补偿功能的数字/模拟转换器
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摘要
PROBLEM TO BE SOLVED: To provide a comparator with an offset cancellation function and a simplified configuration.;SOLUTION: The comparator is provided with transistors (TRs) N1, N2 forming a differential pair, current mirror loads (P1, P2), an output stage TR P3, and a path for feeding back an output of the TR P3 as a base bias of the TR N1. The comparator applies negative feedback control to the output of the TR P3 so as to balance currents respectively flowing through the TRs N1, N2 by utilizing the base bias effect.;COPYRIGHT: (C)2003,JPO
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机译:要解决的问题:为比较器提供失调消除功能和简化的配置;解决方案:比较器配有构成差分对的晶体管(TR)N1,N2,电流镜负载(P1,P2),输出级TR P3,以及用于反馈TR P3的输出作为TR N1的基极偏置的路径。比较器对TR P3的输出施加负反馈控制,以便利用基极偏置效应来平衡分别流经TR s N1,N2的电流。版权所有:(C)2003,JPO
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