发光二极管的应用教案.pdf

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1、课程名称电子技术基础授课日期年月日课时数4 教学内容发光二极管的应用授课班级电子电器 28 教学目标知识目标：了解发光二极管的符号、伏安特性及其电路。技能目标：会用搭接和焊接发光二极管的电路。素质目标：通过多种直观教学和动手操作，培养学生的学习兴趣和逻辑思维能力。教学重点1.了解发光二极管的基本常识，检测、搭接发光二极管的应用电路，焊接电路达到设想的任务结果。2.LED 驱动电路的焊接3.制作 LED 方向指示灯学习评价标准评价项目评价标准权重%万用表电压、电阻值测量准确示波器测量波形正确焊接工艺焊点适中，无漏、假、虚、连焊装配工艺电路板元件位置正确，极性正确，安装可靠牢固功能实现通电后接通开

2、关，各发光二极管发光，显示方向指示箭头调试测量万用表测量 LED两端电压并分析操作规范能正确使用设备、仪器、元件，工作过程中保持工位整洁，遵守安全操作规程和劳动纪律工作（实训）任务单实训项目任务发光二极管的应用实训室电子装配工艺实训前准备阅读知识：认识各种二极管，用万用表简易测试二极管的方法，了解二极管的伏安特性，进一步掌握万用表的使用资料收集：发光二极管的工作原理及实际使用，发光二极管的分类和参数设备、材料：1.直流稳压电源2.万用表（500 型）3.电流表 10mA 1 100A1 4.发光二极管若干实训课时安排实 训 操 作 步 骤1.复习二极管的有关知识，提出本次技能训练的内容和要求2

3、.用万用表检测发光二极管的优劣，并判断引脚极性3.搭接电路，实际测量二极管的参数。4.通电测试A.建立基本单元电路，会根据原理图正确安装焊接。B.元件焊点平滑光亮、均匀、无毛刺、直径在2MM（根据情况）以内。C.焊接手法快速、无虚焊假焊脱焊堆焊等现象。D.无焊接时烧坏元件的现象。E.元气件的拆焊迅速，会进行集成电路的拆焊操作。F.器件弯脚插接、布局符合要求.5.总结本次实验的结论结合实验中出现的问题，总结发光二极管使用时的注意事项文档编码:CL4O10T1Q6H2 HF2B8P8Y9X2 ZK7C8D6V6P5文档编码:CL4O10T1Q6H2 HF2B8P8Y9X2 ZK7C8D6V6P5文

4、档编码:CL4O10T1Q6H2 HF2B8P8Y9X2 ZK7C8D6V6P5文档编码:CL4O10T1Q6H2 HF2B8P8Y9X2 ZK7C8D6V6P5文档编码:CL4O10T1Q6H2 HF2B8P8Y9X2 ZK7C8D6V6P5文档编码:CL4O10T1Q6H2 HF2B8P8Y9X2 ZK7C8D6V6P5文档编码:CL4O10T1Q6H2 HF2B8P8Y9X2 ZK7C8D6V6P5文档编码:CL4O10T1Q6H2 HF2B8P8Y9X2 ZK7C8D6V6P5文档编码:CL4O10T1Q6H2 HF2B8P8Y9X2 ZK7C8D6V6P5文档编码:CL4O10T1Q

5、6H2 HF2B8P8Y9X2 ZK7C8D6V6P5文档编码:CL4O10T1Q6H2 HF2B8P8Y9X2 ZK7C8D6V6P5文档编码:CL4O10T1Q6H2 HF2B8P8Y9X2 ZK7C8D6V6P5文档编码:CL4O10T1Q6H2 HF2B8P8Y9X2 ZK7C8D6V6P5文档编码:CL4O10T1Q6H2 HF2B8P8Y9X2 ZK7C8D6V6P5文档编码:CL4O10T1Q6H2 HF2B8P8Y9X2 ZK7C8D6V6P5文档编码:CL4O10T1Q6H2 HF2B8P8Y9X2 ZK7C8D6V6P5文档编码:CL4O10T1Q6H2 HF2B8P8Y9

6、X2 ZK7C8D6V6P5文档编码:CL4O10T1Q6H2 HF2B8P8Y9X2 ZK7C8D6V6P5文档编码:CL4O10T1Q6H2 HF2B8P8Y9X2 ZK7C8D6V6P5文档编码:CL4O10T1Q6H2 HF2B8P8Y9X2 ZK7C8D6V6P5文档编码:CL4O10T1Q6H2 HF2B8P8Y9X2 ZK7C8D6V6P5文档编码:CL4O10T1Q6H2 HF2B8P8Y9X2 ZK7C8D6V6P5文档编码:CL4O10T1Q6H2 HF2B8P8Y9X2 ZK7C8D6V6P5文档编码:CL4O10T1Q6H2 HF2B8P8Y9X2 ZK7C8D6V6P

7、5文档编码:CL4O10T1Q6H2 HF2B8P8Y9X2 ZK7C8D6V6P5文档编码:CL4O10T1Q6H2 HF2B8P8Y9X2 ZK7C8D6V6P5文档编码:CL4O10T1Q6H2 HF2B8P8Y9X2 ZK7C8D6V6P5文档编码:CL4O10T1Q6H2 HF2B8P8Y9X2 ZK7C8D6V6P5文档编码:CL4O10T1Q6H2 HF2B8P8Y9X2 ZK7C8D6V6P5文档编码:CL4O10T1Q6H2 HF2B8P8Y9X2 ZK7C8D6V6P5文档编码:CL4O10T1Q6H2 HF2B8P8Y9X2 ZK7C8D6V6P5文档编码:CL4O10T

8、1Q6H2 HF2B8P8Y9X2 ZK7C8D6V6P5文档编码:CL4O10T1Q6H2 HF2B8P8Y9X2 ZK7C8D6V6P5文档编码:CL4O10T1Q6H2 HF2B8P8Y9X2 ZK7C8D6V6P5文档编码:CL4O10T1Q6H2 HF2B8P8Y9X2 ZK7C8D6V6P5文档编码:CL4O10T1Q6H2 HF2B8P8Y9X2 ZK7C8D6V6P5文档编码:CL4O10T1Q6H2 HF2B8P8Y9X2 ZK7C8D6V6P5文档编码:CL4O10T1Q6H2 HF2B8P8Y9X2 ZK7C8D6V6P5文档编码:CL4O10T1Q6H2 HF2B8P8

9、Y9X2 ZK7C8D6V6P5文档编码:CL4O10T1Q6H2 HF2B8P8Y9X2 ZK7C8D6V6P5文档编码:CL4O10T1Q6H2 HF2B8P8Y9X2 ZK7C8D6V6P5文档编码:CL4O10T1Q6H2 HF2B8P8Y9X2 ZK7C8D6V6P5文档编码:CL4O10T1Q6H2 HF2B8P8Y9X2 ZK7C8D6V6P5文档编码:CL4O10T1Q6H2 HF2B8P8Y9X2 ZK7C8D6V6P5文档编码:CL4O10T1Q6H2 HF2B8P8Y9X2 ZK7C8D6V6P5文档编码:CL4O10T1Q6H2 HF2B8P8Y9X2 ZK7C8D6V

10、6P5文档编码:CL4O10T1Q6H2 HF2B8P8Y9X2 ZK7C8D6V6P5文档编码:CL4O10T1Q6H2 HF2B8P8Y9X2 ZK7C8D6V6P5教学过程教师活动学生活动LED 的认识发光二极管的检测展示实物，通电演示1）极性判别方法 1：由管子的引脚长短识别，电极长的引脚为正极，短的引脚为负极。方法 2：用指针式万用表R10k 电阻挡测量，测得电阻小的（约几十千欧），其黑表笔接的引脚是正极，红表笔接的引脚是负极，同时可仔细观察到发光二极管发出的微弱光线。2）质量的简易判别方法 1：将指针式万用表置于R10k 电阻挡，测量其正向电阻应在几十千欧之内，反向电阻应大于几百千

11、欧（通常为无穷大）为正常。方法 2：将发光二极管长引脚（正极）插入万用表的 NPN型“c 极”插孔，短引脚（负极）插入“e 极”插孔，则发光二极管正常发光。3）正、反电压降测量将数字万用表置于二极管挡，红表笔接二极管正极，文档编码:CL4O10T1Q6H2 HF2B8P8Y9X2 ZK7C8D6V6P5文档编码:CL4O10T1Q6H2 HF2B8P8Y9X2 ZK7C8D6V6P5文档编码:CL4O10T1Q6H2 HF2B8P8Y9X2 ZK7C8D6V6P5文档编码:CL4O10T1Q6H2 HF2B8P8Y9X2 ZK7C8D6V6P5文档编码:CL4O10T1Q6H2 HF2B8P8

12、Y9X2 ZK7C8D6V6P5文档编码:CL4O10T1Q6H2 HF2B8P8Y9X2 ZK7C8D6V6P5文档编码:CL4O10T1Q6H2 HF2B8P8Y9X2 ZK7C8D6V6P5文档编码:CL4O10T1Q6H2 HF2B8P8Y9X2 ZK7C8D6V6P5文档编码:CL4O10T1Q6H2 HF2B8P8Y9X2 ZK7C8D6V6P5文档编码:CL4O10T1Q6H2 HF2B8P8Y9X2 ZK7C8D6V6P5文档编码:CL4O10T1Q6H2 HF2B8P8Y9X2 ZK7C8D6V6P5文档编码:CL4O10T1Q6H2 HF2B8P8Y9X2 ZK7C8D6V

13、6P5文档编码:CL4O10T1Q6H2 HF2B8P8Y9X2 ZK7C8D6V6P5文档编码:CL4O10T1Q6H2 HF2B8P8Y9X2 ZK7C8D6V6P5文档编码:CL4O10T1Q6H2 HF2B8P8Y9X2 ZK7C8D6V6P5文档编码:CL4O10T1Q6H2 HF2B8P8Y9X2 ZK7C8D6V6P5文档编码:CL4O10T1Q6H2 HF2B8P8Y9X2 ZK7C8D6V6P5文档编码:CL4O10T1Q6H2 HF2B8P8Y9X2 ZK7C8D6V6P5文档编码:CL4O10T1Q6H2 HF2B8P8Y9X2 ZK7C8D6V6P5文档编码:CL4O1

14、0T1Q6H2 HF2B8P8Y9X2 ZK7C8D6V6P5文档编码:CL4O10T1Q6H2 HF2B8P8Y9X2 ZK7C8D6V6P5文档编码:CL4O10T1Q6H2 HF2B8P8Y9X2 ZK7C8D6V6P5文档编码:CL4O10T1Q6H2 HF2B8P8Y9X2 ZK7C8D6V6P5文档编码:CL4O10T1Q6H2 HF2B8P8Y9X2 ZK7C8D6V6P5文档编码:CL4O10T1Q6H2 HF2B8P8Y9X2 ZK7C8D6V6P5文档编码:CL4O10T1Q6H2 HF2B8P8Y9X2 ZK7C8D6V6P5文档编码:CL4O10T1Q6H2 HF2B8

15、P8Y9X2 ZK7C8D6V6P5文档编码:CL4O10T1Q6H2 HF2B8P8Y9X2 ZK7C8D6V6P5文档编码:CL4O10T1Q6H2 HF2B8P8Y9X2 ZK7C8D6V6P5文档编码:CL4O10T1Q6H2 HF2B8P8Y9X2 ZK7C8D6V6P5文档编码:CL4O10T1Q6H2 HF2B8P8Y9X2 ZK7C8D6V6P5文档编码:CL4O10T1Q6H2 HF2B8P8Y9X2 ZK7C8D6V6P5文档编码:CL4O10T1Q6H2 HF2B8P8Y9X2 ZK7C8D6V6P5文档编码:CL4O10T1Q6H2 HF2B8P8Y9X2 ZK7C8D

16、6V6P5文档编码:CL4O10T1Q6H2 HF2B8P8Y9X2 ZK7C8D6V6P5文档编码:CL4O10T1Q6H2 HF2B8P8Y9X2 ZK7C8D6V6P5文档编码:CL4O10T1Q6H2 HF2B8P8Y9X2 ZK7C8D6V6P5文档编码:CL4O10T1Q6H2 HF2B8P8Y9X2 ZK7C8D6V6P5文档编码:CL4O10T1Q6H2 HF2B8P8Y9X2 ZK7C8D6V6P5文档编码:CL4O10T1Q6H2 HF2B8P8Y9X2 ZK7C8D6V6P5文档编码:CL4O10T1Q6H2 HF2B8P8Y9X2 ZK7C8D6V6P5文档编码:CL4

17、O10T1Q6H2 HF2B8P8Y9X2 ZK7C8D6V6P5文档编码:CL4O10T1Q6H2 HF2B8P8Y9X2 ZK7C8D6V6P5文档编码:CL4O10T1Q6H2 HF2B8P8Y9X2 ZK7C8D6V6P5文档编码:CL4O10T1Q6H2 HF2B8P8Y9X2 ZK7C8D6V6P5文档编码:CL4O10T1Q6H2 HF2B8P8Y9X2 ZK7C8D6V6P5文档编码:CL4O10T1Q6H2 HF2B8P8Y9X2 ZK7C8D6V6P5文档编码:CL4O10T1Q6H2 HF2B8P8Y9X2 ZK7C8D6V6P5教学过程教师活动学生活动LED 驱动电路的

18、焊接黑表笔接负极，显示屏显示电压在1.8V 左右，调换表笔再测试，显示为1V，则表示被测管合格。一是依据电路中相关的参数估算，例如图中电源电压为 5.0V，红光 LED的工作电压约1.8V，希望电流 I 控制在 10mA，则，于是选用标称值 330、1/8W的电阻器。二是接入电流表调试，例如LED的工作电压未知，则取 R为可调电阻器，并串入毫安表监测，如图3 乙所示。调节 R使通过 LED的电流不超过该型号LED允许的最大值，然后取一个与调好后的R值接近的定值电阻器来代替可调电阻器。发光二极管限流电阻的选取（ILED=10mA）电源电压 U/V 2.0 3.0 6.0 12 电 位 器 阻 值

19、RP2/限 流 电 阻 阻值 R/文档编码:CL4O10T1Q6H2 HF2B8P8Y9X2 ZK7C8D6V6P5文档编码:CL4O10T1Q6H2 HF2B8P8Y9X2 ZK7C8D6V6P5文档编码:CL4O10T1Q6H2 HF2B8P8Y9X2 ZK7C8D6V6P5文档编码:CL4O10T1Q6H2 HF2B8P8Y9X2 ZK7C8D6V6P5文档编码:CL4O10T1Q6H2 HF2B8P8Y9X2 ZK7C8D6V6P5文档编码:CL4O10T1Q6H2 HF2B8P8Y9X2 ZK7C8D6V6P5文档编码:CL4O10T1Q6H2 HF2B8P8Y9X2 ZK7C8D6

20、V6P5文档编码:CL4O10T1Q6H2 HF2B8P8Y9X2 ZK7C8D6V6P5文档编码:CL4O10T1Q6H2 HF2B8P8Y9X2 ZK7C8D6V6P5文档编码:CL4O10T1Q6H2 HF2B8P8Y9X2 ZK7C8D6V6P5文档编码:CL4O10T1Q6H2 HF2B8P8Y9X2 ZK7C8D6V6P5文档编码:CL4O10T1Q6H2 HF2B8P8Y9X2 ZK7C8D6V6P5文档编码:CL4O10T1Q6H2 HF2B8P8Y9X2 ZK7C8D6V6P5文档编码:CL4O10T1Q6H2 HF2B8P8Y9X2 ZK7C8D6V6P5文档编码:CL4O

21、10T1Q6H2 HF2B8P8Y9X2 ZK7C8D6V6P5文档编码:CL4O10T1Q6H2 HF2B8P8Y9X2 ZK7C8D6V6P5文档编码:CL4O10T1Q6H2 HF2B8P8Y9X2 ZK7C8D6V6P5文档编码:CL4O10T1Q6H2 HF2B8P8Y9X2 ZK7C8D6V6P5文档编码:CL4O10T1Q6H2 HF2B8P8Y9X2 ZK7C8D6V6P5文档编码:CL4O10T1Q6H2 HF2B8P8Y9X2 ZK7C8D6V6P5文档编码:CL4O10T1Q6H2 HF2B8P8Y9X2 ZK7C8D6V6P5文档编码:CL4O10T1Q6H2 HF2B

22、8P8Y9X2 ZK7C8D6V6P5文档编码:CL4O10T1Q6H2 HF2B8P8Y9X2 ZK7C8D6V6P5文档编码:CL4O10T1Q6H2 HF2B8P8Y9X2 ZK7C8D6V6P5文档编码:CL4O10T1Q6H2 HF2B8P8Y9X2 ZK7C8D6V6P5文档编码:CL4O10T1Q6H2 HF2B8P8Y9X2 ZK7C8D6V6P5文档编码:CL4O10T1Q6H2 HF2B8P8Y9X2 ZK7C8D6V6P5文档编码:CL4O10T1Q6H2 HF2B8P8Y9X2 ZK7C8D6V6P5文档编码:CL4O10T1Q6H2 HF2B8P8Y9X2 ZK7C8

23、D6V6P5文档编码:CL4O10T1Q6H2 HF2B8P8Y9X2 ZK7C8D6V6P5文档编码:CL4O10T1Q6H2 HF2B8P8Y9X2 ZK7C8D6V6P5文档编码:CL4O10T1Q6H2 HF2B8P8Y9X2 ZK7C8D6V6P5文档编码:CL4O10T1Q6H2 HF2B8P8Y9X2 ZK7C8D6V6P5文档编码:CL4O10T1Q6H2 HF2B8P8Y9X2 ZK7C8D6V6P5文档编码:CL4O10T1Q6H2 HF2B8P8Y9X2 ZK7C8D6V6P5文档编码:CL4O10T1Q6H2 HF2B8P8Y9X2 ZK7C8D6V6P5文档编码:CL

24、4O10T1Q6H2 HF2B8P8Y9X2 ZK7C8D6V6P5文档编码:CL4O10T1Q6H2 HF2B8P8Y9X2 ZK7C8D6V6P5文档编码:CL4O10T1Q6H2 HF2B8P8Y9X2 ZK7C8D6V6P5文档编码:CL4O10T1Q6H2 HF2B8P8Y9X2 ZK7C8D6V6P5文档编码:CL4O10T1Q6H2 HF2B8P8Y9X2 ZK7C8D6V6P5文档编码:CL4O10T1Q6H2 HF2B8P8Y9X2 ZK7C8D6V6P5文档编码:CL4O10T1Q6H2 HF2B8P8Y9X2 ZK7C8D6V6P5文档编码:CL4O10T1Q6H2 HF

25、2B8P8Y9X2 ZK7C8D6V6P5文档编码:CL4O10T1Q6H2 HF2B8P8Y9X2 ZK7C8D6V6P5文档编码:CL4O10T1Q6H2 HF2B8P8Y9X2 ZK7C8D6V6P5文档编码:CL4O10T1Q6H2 HF2B8P8Y9X2 ZK7C8D6V6P5文档编码:CL4O10T1Q6H2 HF2B8P8Y9X2 ZK7C8D6V6P5教学过程教师活动学生活动制作 LED方向指示灯注意：普通的硅二极管能够承受相当大（例如几百伏）的反向电压，而LED 却不行，一般的承受能力不到10V。所以使用LED 时不可将电源的正负极接反，否则很容易使 LED被击穿而损坏。1.

26、元器件识别与检测：对照元件清单清点并检测所给元件2.按原理图要求在电路板上布局3.按原理图进行线路连接4.通电测试文档编码:CL4O10T1Q6H2 HF2B8P8Y9X2 ZK7C8D6V6P5文档编码:CL4O10T1Q6H2 HF2B8P8Y9X2 ZK7C8D6V6P5文档编码:CL4O10T1Q6H2 HF2B8P8Y9X2 ZK7C8D6V6P5文档编码:CL4O10T1Q6H2 HF2B8P8Y9X2 ZK7C8D6V6P5文档编码:CL4O10T1Q6H2 HF2B8P8Y9X2 ZK7C8D6V6P5文档编码:CL4O10T1Q6H2 HF2B8P8Y9X2 ZK7C8D6V

27、6P5文档编码:CL4O10T1Q6H2 HF2B8P8Y9X2 ZK7C8D6V6P5文档编码:CL4O10T1Q6H2 HF2B8P8Y9X2 ZK7C8D6V6P5文档编码:CL4O10T1Q6H2 HF2B8P8Y9X2 ZK7C8D6V6P5文档编码:CL4O10T1Q6H2 HF2B8P8Y9X2 ZK7C8D6V6P5文档编码:CL4O10T1Q6H2 HF2B8P8Y9X2 ZK7C8D6V6P5文档编码:CL4O10T1Q6H2 HF2B8P8Y9X2 ZK7C8D6V6P5文档编码:CL4O10T1Q6H2 HF2B8P8Y9X2 ZK7C8D6V6P5文档编码:CL4O1

28、0T1Q6H2 HF2B8P8Y9X2 ZK7C8D6V6P5文档编码:CL4O10T1Q6H2 HF2B8P8Y9X2 ZK7C8D6V6P5文档编码:CL4O10T1Q6H2 HF2B8P8Y9X2 ZK7C8D6V6P5文档编码:CL4O10T1Q6H2 HF2B8P8Y9X2 ZK7C8D6V6P5文档编码:CL4O10T1Q6H2 HF2B8P8Y9X2 ZK7C8D6V6P5文档编码:CL4O10T1Q6H2 HF2B8P8Y9X2 ZK7C8D6V6P5文档编码:CL4O10T1Q6H2 HF2B8P8Y9X2 ZK7C8D6V6P5文档编码:CL4O10T1Q6H2 HF2B8

29、P8Y9X2 ZK7C8D6V6P5文档编码:CL4O10T1Q6H2 HF2B8P8Y9X2 ZK7C8D6V6P5文档编码:CL4O10T1Q6H2 HF2B8P8Y9X2 ZK7C8D6V6P5文档编码:CL4O10T1Q6H2 HF2B8P8Y9X2 ZK7C8D6V6P5文档编码:CL4O10T1Q6H2 HF2B8P8Y9X2 ZK7C8D6V6P5文档编码:CL4O10T1Q6H2 HF2B8P8Y9X2 ZK7C8D6V6P5文档编码:CL4O10T1Q6H2 HF2B8P8Y9X2 ZK7C8D6V6P5文档编码:CL4O10T1Q6H2 HF2B8P8Y9X2 ZK7C8D

30、6V6P5文档编码:CL4O10T1Q6H2 HF2B8P8Y9X2 ZK7C8D6V6P5文档编码:CL4O10T1Q6H2 HF2B8P8Y9X2 ZK7C8D6V6P5文档编码:CL4O10T1Q6H2 HF2B8P8Y9X2 ZK7C8D6V6P5文档编码:CL4O10T1Q6H2 HF2B8P8Y9X2 ZK7C8D6V6P5文档编码:CL4O10T1Q6H2 HF2B8P8Y9X2 ZK7C8D6V6P5文档编码:CL4O10T1Q6H2 HF2B8P8Y9X2 ZK7C8D6V6P5文档编码:CL4O10T1Q6H2 HF2B8P8Y9X2 ZK7C8D6V6P5文档编码:CL4

31、O10T1Q6H2 HF2B8P8Y9X2 ZK7C8D6V6P5文档编码:CL4O10T1Q6H2 HF2B8P8Y9X2 ZK7C8D6V6P5文档编码:CL4O10T1Q6H2 HF2B8P8Y9X2 ZK7C8D6V6P5文档编码:CL4O10T1Q6H2 HF2B8P8Y9X2 ZK7C8D6V6P5文档编码:CL4O10T1Q6H2 HF2B8P8Y9X2 ZK7C8D6V6P5文档编码:CL4O10T1Q6H2 HF2B8P8Y9X2 ZK7C8D6V6P5文档编码:CL4O10T1Q6H2 HF2B8P8Y9X2 ZK7C8D6V6P5文档编码:CL4O10T1Q6H2 HF2

32、B8P8Y9X2 ZK7C8D6V6P5文档编码:CL4O10T1Q6H2 HF2B8P8Y9X2 ZK7C8D6V6P5文档编码:CL4O10T1Q6H2 HF2B8P8Y9X2 ZK7C8D6V6P5文档编码:CL4O10T1Q6H2 HF2B8P8Y9X2 ZK7C8D6V6P5文档编码:CL4O10T1Q6H2 HF2B8P8Y9X2 ZK7C8D6V6P5文档编码:CL4O10T1Q6H2 HF2B8P8Y9X2 ZK7C8D6V6P5教学过程教师活动学生活动操作步骤1电路装配准备（1）装配工具及调试仪器仪表的准备：通用电路板、电烙铁、焊锡丝、钳子、螺丝起、导线、示波器、万用表；（2

33、）元器件的准备，即元件清单：2重要元器件的检测为了确保电路在正确安装的情况下正常工作，减少不必要的返工，在组装前应对所有的电子元器件进行检测。3电路组装（1）组装的基本步骤（2）组装的工艺要求。4电路调试（1）电路调试步骤（2）电路测试5编写项目报告书作业设计教学反思文档编码:CL4O10T1Q6H2 HF2B8P8Y9X2 ZK7C8D6V6P5文档编码:CL4O10T1Q6H2 HF2B8P8Y9X2 ZK7C8D6V6P5文档编码:CL4O10T1Q6H2 HF2B8P8Y9X2 ZK7C8D6V6P5文档编码:CL4O10T1Q6H2 HF2B8P8Y9X2 ZK7C8D6V6P5文档

34、编码:CL4O10T1Q6H2 HF2B8P8Y9X2 ZK7C8D6V6P5文档编码:CL4O10T1Q6H2 HF2B8P8Y9X2 ZK7C8D6V6P5文档编码:CL4O10T1Q6H2 HF2B8P8Y9X2 ZK7C8D6V6P5文档编码:CL4O10T1Q6H2 HF2B8P8Y9X2 ZK7C8D6V6P5文档编码:CL4O10T1Q6H2 HF2B8P8Y9X2 ZK7C8D6V6P5文档编码:CL4O10T1Q6H2 HF2B8P8Y9X2 ZK7C8D6V6P5文档编码:CL4O10T1Q6H2 HF2B8P8Y9X2 ZK7C8D6V6P5文档编码:CL4O10T1Q6

35、H2 HF2B8P8Y9X2 ZK7C8D6V6P5文档编码:CL4O10T1Q6H2 HF2B8P8Y9X2 ZK7C8D6V6P5文档编码:CL4O10T1Q6H2 HF2B8P8Y9X2 ZK7C8D6V6P5文档编码:CL4O10T1Q6H2 HF2B8P8Y9X2 ZK7C8D6V6P5文档编码:CL4O10T1Q6H2 HF2B8P8Y9X2 ZK7C8D6V6P5文档编码:CL4O10T1Q6H2 HF2B8P8Y9X2 ZK7C8D6V6P5文档编码:CL4O10T1Q6H2 HF2B8P8Y9X2 ZK7C8D6V6P5文档编码:CL4O10T1Q6H2 HF2B8P8Y9X

36、2 ZK7C8D6V6P5文档编码:CL4O10T1Q6H2 HF2B8P8Y9X2 ZK7C8D6V6P5文档编码:CL4O10T1Q6H2 HF2B8P8Y9X2 ZK7C8D6V6P5文档编码:CL4O10T1Q6H2 HF2B8P8Y9X2 ZK7C8D6V6P5文档编码:CL4O10T1Q6H2 HF2B8P8Y9X2 ZK7C8D6V6P5文档编码:CL4O10T1Q6H2 HF2B8P8Y9X2 ZK7C8D6V6P5文档编码:CL4O10T1Q6H2 HF2B8P8Y9X2 ZK7C8D6V6P5文档编码:CL4O10T1Q6H2 HF2B8P8Y9X2 ZK7C8D6V6P5

37、文档编码:CL4O10T1Q6H2 HF2B8P8Y9X2 ZK7C8D6V6P5文档编码:CL4O10T1Q6H2 HF2B8P8Y9X2 ZK7C8D6V6P5文档编码:CL4O10T1Q6H2 HF2B8P8Y9X2 ZK7C8D6V6P5文档编码:CL4O10T1Q6H2 HF2B8P8Y9X2 ZK7C8D6V6P5文档编码:CL4O10T1Q6H2 HF2B8P8Y9X2 ZK7C8D6V6P5文档编码:CL4O10T1Q6H2 HF2B8P8Y9X2 ZK7C8D6V6P5文档编码:CL4O10T1Q6H2 HF2B8P8Y9X2 ZK7C8D6V6P5文档编码:CL4O10T1

38、Q6H2 HF2B8P8Y9X2 ZK7C8D6V6P5文档编码:CL4O10T1Q6H2 HF2B8P8Y9X2 ZK7C8D6V6P5文档编码:CL4O10T1Q6H2 HF2B8P8Y9X2 ZK7C8D6V6P5文档编码:CL4O10T1Q6H2 HF2B8P8Y9X2 ZK7C8D6V6P5文档编码:CL4O10T1Q6H2 HF2B8P8Y9X2 ZK7C8D6V6P5文档编码:CL4O10T1Q6H2 HF2B8P8Y9X2 ZK7C8D6V6P5文档编码:CL4O10T1Q6H2 HF2B8P8Y9X2 ZK7C8D6V6P5文档编码:CL4O10T1Q6H2 HF2B8P8Y

39、9X2 ZK7C8D6V6P5文档编码:CL4O10T1Q6H2 HF2B8P8Y9X2 ZK7C8D6V6P5文档编码:CL4O10T1Q6H2 HF2B8P8Y9X2 ZK7C8D6V6P5文档编码:CL4O10T1Q6H2 HF2B8P8Y9X2 ZK7C8D6V6P5文档编码:CL4O10T1Q6H2 HF2B8P8Y9X2 ZK7C8D6V6P5文档编码:CL4O10T1Q6H2 HF2B8P8Y9X2 ZK7C8D6V6P5文档编码:CL4O10T1Q6H2 HF2B8P8Y9X2 ZK7C8D6V6P5文档编码:CL4O10T1Q6H2 HF2B8P8Y9X2 ZK7C8D6V6P5