面向基础教学的数字电路实验平台研制
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摘要
在目前课程学时逐渐减少,教学培养要求却不断提高的情况下,分析了数字电路课程的基础内容与教学目标,在不增加学时的同时,丰富了实验内容,提高学时的利用效率,在积极开展课程设计的要求等背景下设计、研制了数字电路教学实验平台。在教学平台中设计了常规芯片的验证与演示模块,减少器件损耗;为了方便并行数字信号的实验,设计了8位二进制数字信号单元。其他具有特色的功能还包括:三态逻辑笔功能单元、FPGA可编程单元、单脉冲发生单元、DAC、ADC单元、液晶显示单元等。平台的设计是在已用的平台改进而来的,对基础课程教学和初学者提供了方便。
In view of the current curriculum time gradually reduced and the teaching requirements continue to improve,summarized and analyzed the basic contents and teaching objectives of the digital circuit curriculum. A digital circuit teaching experimental platform was designed and developed in the absence of additional course hours and enriching the experimental content,improve the efficiency of course hours,at the same time actively carry out the curriculum design.In order to reduce the device loss,a conventional chip verification and demonstration module was developed. In order to improve the understanding of digital signal,a 8-bit binary digital signal unit was designed. Some other features include: tri-state logic pen unit,FPGA programmable unit,single pulse generating unit,DAC,ADC unit,liquid crystal display unit etc. The design of the platform is improved from the already used platform,which has provided a convenient and basic value for the basic course teaching.
In view of the current curriculum time gradually reduced and the teaching requirements continue to improve,summarized and analyzed the basic contents and teaching objectives of the digital circuit curriculum. A digital circuit teaching experimental platform was designed and developed in the absence of additional course hours and enriching the experimental content,improve the efficiency of course hours,at the same time actively carry out the curriculum design.In order to reduce the device loss,a conventional chip verification and demonstration module was developed. In order to improve the understanding of digital signal,a 8-bit binary digital signal unit was designed. Some other features include: tri-state logic pen unit,FPGA programmable unit,single pulse generating unit,DAC,ADC unit,liquid crystal display unit etc. The design of the platform is improved from the already used platform,which has provided a convenient and basic value for the basic course teaching.
引文
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[2]曾洁.利用EDA技术改进数字电路课程教学[J].实验科学与技术,2013,11(4):232-235.
[3]张秀荣.“数字电子技术”课程教学现状的调研[J].电气电子教学学报,2017,39(1):95-97.
[4]陈龙,郄小美,马学条.数字电子技术综合性虚拟仿真实验教学改革[J].实验室研究与探索,2017,36(5):110-113.
[5]侯素芳,任艳频.电子技术课程设计内容改革的研究与实践[J].实验室研究与探索,2012,31(1):108-110.
[6]李建霞,闫朝阳.工程教育专业认证背景下数字电子技术实验改革[J].实验室研究与探索,2017,36(1):156-159.
[7]谢剑斌,李沛秦,闫玮,等.在“数字电子技术”教学中培养学生创新能力[J].电气电子教学学报,2010,32(6):5-6,9.
[8]韦琳,周冬婉.数字逻辑电路课程教学改革的探讨[J].教育现代化,2016(4):63-64.
[9]刘新元,谢柏青.“数字逻辑电路实验”课程改革[J].电气电子教学学报,2009,31(2):8-10.
[10]李锋,陈迅,张尤赛.数字电子技术课程群教学模式改革初探[J].电气电子教学学报,2014,36(4):39-40,61.
[11]刘小艳,金平.“电子电路与系统基础实验”教学改革与实践[J].实验室研究与探索,2014,33(6):197-199.
[12]袁友伟,仇建,张雪峰,等.数字电路的翻转课堂教学[J].计算机教育,2016(7):40-44.
[13]代永红,郑建生,刘彦飞.通信原理、设计与实训[M].北京:国防工业出版社,2011.