电子工艺实习课程教学的超声波电路设计与实现

Design and implementation of an ultrasonic circuit for teaching of course of electronic technology internship

设计了一种用于电子工艺实习课程教学的超声波电路,该电路主要使用超声波探头和555芯片。介绍了该电路系统的结构和工作原理。该电路结构简单,工作原理清晰易懂。应用于电子工艺实习课程教学后,实践证明该电路提高了学生对电子工艺实习课程的学习兴趣和积极性,提高了学生的动手能力和综合能力,并取得了较好的教学效果。

An ultrasonic circuit for experimental teaching of electronic technology internship is proposed.The circuit is mainly composed of the ultrasonic probe and 555 chip.The system structure and work principle of the circuit are expounded.The circuit has the advantages of simple structure,and its working principle is clear and easy to understand.After it was used in the course teaching,the result shows that the circuit can improve the learning interest and enthusiasm of students in electronic technology internship,improve the students＇ practical ability and comprehensive ability,and has made good results.