摘要
本文从理论上研究了单块集成运算放大器构成的正、负系数＿重做分电路的设计，着重分析了这＿种电路的直流误差，并给出了设计公式．
This paper theoretically discusses the design of the positive- negative coefficient doubledifferential circuit formed by single operational amplifier. And it focuses on analysing the DCerror of the circuits, as well as giving the design formula.
出处
《青海师范大学学报（自然科学版）》
1997年第2期27-31,共5页
Journal of Qinghai Normal University(Natural Science Edition)
关键词
运算放大器
虚地
正负系数
二重微分电路
直流误差
OP -AMP, virtuai ground, positive -negative coefficient, double differential circuit, DC error
