数字电子电路综合性电子作品设计的实践教学探讨

Discussion on Practical Teaching of Integrated Electronic Works Design of Digital Electronic Circuits

将数字电子电路教学中,基于555定时器、74LS74触发器和74LS138译码器实现的环形彩灯作品的综合设计用于实践教学.该电子作品所需的知识与技能涵盖了数字电路的组合逻辑、时序逻辑以及仿真软件的应用,具有很强的综合性、实践性.实践表明,综合性设计实践教学,既能激发学生的学习兴趣,又能在实践教学的引导启发过程中培养学生独立思考、团队合作、创新思维以及分析问题、解决问题的综合能力与素质.

In the teaching of digital electronic circuit,the comprehensive design of the ring color lamp works based on 555 timer,74LS74 flip-flop and 74LS138 decoder is applied to practical teaching.The knowledge and skills required by this electronic work cover the combinational logic,sequential logic of digital circuits and the application of simulation software.It has strong comprehensiveness and practicality.Practice shows that comprehensive design practice teaching can not only stimulate students'interest in learning,but also cultivate students' comprehensive ability and quality of independent thinking,teamwork,innovative thinking,problem analysis and problem solving in the process of guiding and inspiring practice teaching.