比例运算电路与加减运算电路教学探究

Expoloration on Teaching of Scaling Circuit and Addition and Subtraction Circuit

基于集成运算放大器的比例运算和加减运算电路中,学生常常受到繁琐的公式推导和众多的计算公式的困扰,实践证明,如果在一定的条件下,恰当地分析、归纳,充分地利用对称性和统一性,会把繁琐的问题简单化,能进一步提高学生分析问题和解决问题的效率和准确度.

In the circuits of scaling and addition and abstraction based on integrated operational amplifier, students are often confused by the complicated derivation and too many calculation formulas. It has been found that complicated problems will be simplified in a certain circumstance, through appropriate analysis and summary together with the full use of symmetry and uniformity, which can promote the efficiency and accuracy of problem handling.