模电教学中运算电路教学探究

Teaching Research of Operational Circuits in Analog Electronic Technology Teaching

对运算电路的授课,该文把反相比例、同相比例运算电路作为基本运算电路,并以此为基础,借助于叠加定理,将差分比例、反相输入求和、同相输入求和等运算电路看成为基本运算电路的叠加,这种以叠加定理为主线的授课方法,学生容易接受和掌握;另外,灵活地运用"虚短""虚断",以不变应万变,作为解决运算电路万能的手段,不失为一种较好的辅助教学手段。

For the teaching of operational circuits,we take the in-phase proportional and inverse proportional operation circuits as the basic operation circuits,and think of the difference ratio,inverting input sum and in-phase input sum operation circuits as the superposition of basic operation circuits by using the supposition theorem.This method is a universal means to solve the problems of operation circuits by flexibly using of the virtual short and virtual break method,and is easily accepted and understood by students.So,it is after all a good auxiliary teaching means.