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电子技术基础实训

作译者：林毓梁
出版时间：2019-01 千字数：204 版次：01-01 页数：128
开本：16开装帧： I S B N ：9787121345104
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第1章 电子实训基础工具的使用 ··········································································· 2
1.1 尖嘴钳 ····················································································································· 2
1.2 斜口钳 ··················································································································· 3
1.3 镊子 ······················································································································ 4
1.4 热熔胶枪 ··················································································································4
1.5 面包板 ···················································································································· 6
第2 章 电路焊接技术 ······························································································· 9
2.1 锡焊的基本知识 ········································································································· 9
2.1.1 锡焊 ····················································································································· 9
2.1.2 锡焊的机理 ········································································································· 9
2.1.3 锡焊的条件 ······································································································· 10
2.2 锡焊工具与焊接材料 ··································································································11
2.2.1 电烙铁 ··············································································································· 11
2.2.2 焊料 ··················································································································· 13
2.2.3 助焊剂 ··············································································································· 14
2.2.4 阻焊剂 ··············································································································· 15
2.3 手工焊接技术 ···········································································································15
2.3.1 焊接操作的手法与步骤 ···················································································· 16
2.3.2 合格焊点及质量检查 ························································································ 19
电子技术基础实训
2.3.3 拆焊 ··················································································································· 20
2.4 实用焊接工艺 ········································································································· 21
2.4.1 焊接前的准备 ··································································································· 22
2.4.2 元器件的安装与焊接 ························································································ 23
2.5 焊接训练 ················································································································24
2.5.1 实训目的 ··········································································································· 24
2.5.2 实训内容 ··········································································································· 25
2.5.3 实训器材 ··········································································································· 26
2.6 思考题 ·················································································································· 26
第3 章 常用电子技术实验测量仪器 ····································································· 27
3.1 万用表 ····················································································································27
3.1.1 模拟式万用表 ··································································································· 27
3.1.2 数字式万用表 ··································································································· 29
3.2 常用示波器及其使用 ··································································································32
3.2.1 示波器的组成 ··································································································· 32
3.2.2 示波器的使用 ··································································································· 34
3.2.3 DS-1072U 型示波器简介 ·················································································· 36
3.3 DPS6333L 双路直流电源 ··························································································· 40
3.3.1 概述 ··················································································································· 40
3.3.2 DPS6333L 双路直流电源功能 ········································································· 40
3.3.3 DPS6333L 双路直流电源面板各部分的作用与使用方法 ······························· 41
3.4 函数信号发生器 ······································································································· 43
3.4.1 DG1022U 函数信号发生器简介 ······································································· 43
3.4.2 DG1022U 函数信号发生器面板操作按钮 ······················································· 43
3.5 YB3371 计数器 ········································································································46
3.6 电子测量仪器的选择 ··································································································47
3.7 常用电子仪器、仪表的使用 ·························································································47
3.7.1 实训目的 ··········································································································· 47
3.7.2 实训内容 ··········································································································· 48
3.8 思考题 ···················································································································· 49
第4 章 模拟电路元器件的识别与测试 ································································· 50
4.1 电阻器 ···················································································································· 50
4.1.1 电阻器的图形符号与单位 ················································································ 50
4.1.2 电阻器的分类 ··································································································· 51
4.1.3 常用的电阻器 ··································································································· 51
4.1.4 电阻器型号的命名方法 ···················································································· 52
4.1.5 电阻器的主要参数 ···························································································· 53
4.1.6 电阻器的标注方法 ···························································································· 54
4.1.7 电阻器阻值的测试 ···························································································· 56
4.2 电位器 ····················································································································57
4.2.1 电位器的图形符号 ···························································································· 57
4.2.2 电位器的分类 ··································································································· 57
4.2.3 电位器的主要参数 ···························································································· 58
4.2.4 电位器的标注方法 ···························································································· 59
4.2.5 电位器的测试 ··································································································· 59
4.2.6 电位器的使用 ··································································································· 59
4.3 电容器 ····················································································································60
4.3.1 电容器的图形符号与单位 ················································································ 61
4.3.2 电容器的分类 ··································································································· 61
4.3.3 常用的电容器 ··································································································· 62
4.3.4 电容器的主要参数 ···························································································· 63
4.3.5 电容器的标注方法 ···························································································· 63
4.3.6 电容器的测试 ··································································································· 65
4.3.7 电容器的使用 ··································································································· 65
4.4 电感器 ···················································································································· 66
4.4.1 电感器的分类 ··································································································· 66
4.4.2 电感器的主要性能指标 ···················································································· 67
4.3.3 电感器选用常识 ································································································ 67
4.5 半导体器件 ·············································································································· 67
4.5.1 半导体器件型号的命名方法 ············································································ 68
4.5.2 二极管的识别与测试 ························································································ 68
4.5.3 三极管的识别与简单测试 ················································································ 70
4.5.4 场效应管 ··········································································································· 72
4.6 集成电路 ·················································································································74
4.6.1 集成电路的型号与命名 ···················································································· 74
4.6.2 集成电路的引脚排列识别 ················································································ 75
4.6.3 集成电路的检测 ································································································ 76
4.6.4 集成电路替换方法 ···························································································· 77
4.7 电声器件 ·················································································································77
4.7.1 传声器 ··············································································································· 77
4.7.2 扬声器 ··············································································································· 78
4.8 实训项目 ················································································································· 79
4.8.1 常用电子元器件的测试 ···················································································· 79
4.8.2 触摸报警器的制作 ···························································································· 80
4.8.3 可调直流稳压电源的设计 ················································································ 81
电子技术基础实
4.9 思考题 ····················································································································84
第5 章 数字电路与逻辑设计基础实验 ································································· 85
5.1 继电器 ···················································································································· 85
5.1.1 继电器的外形及电路符号 ················································································ 85
5.1.2 继电器的种类 ··································································································· 86
5.1.3 继电器的选用 ··································································································· 87
5.1.4 继电器的质量判断 ···························································································· 87
5.2 整流桥 ···················································································································· 87
5.2.1 整流桥的图形符号 ···························································································· 88
5.2.2 整流桥的型号与参数 ························································································ 88
5.2.3 用万用表检测整流桥 ························································································ 88
5.3 555 定时器 ···············································································································89
5.3.1 555 定时器内部结构 ························································································· 89
5.3.2 555 定时器构成的施密特触发器 ····································································· 91
5.3.3 555 定时器构成的单稳态触发器 ····································································· 92
5.3.4 555 定时器构成的多谐振荡器 ········································································· 93
5.4 七段数码管 ··············································································································93
5.4.1 七段数码管的结构与工作原理 ········································································ 94
5.4.2 七段数码管驱动方法 ························································································ 94
5.5 74LS47 译码器 ················································································································ 95
5.5.1 74LS47 真值表 ·································································································· 95
5.5.2 74LS47 引脚功能 ······························································································ 96
5.6 常用TTL 数字集成电路引脚排列 ·················································································· 96
5.6.1 74LS00 四二输入与非门 ·················································································· 96
5.6.2 74LS20 双四输入与非门 ·················································································· 97
5.6.3 CD4042 锁存触发器 ························································································· 97
5.6.4 74LS161 二进制同步加计数器 ········································································· 98
5.7 实训项目 ·················································································································98
5.7.1 人体感应路灯节电控制器的制作 ···································································· 98
5.7.2 四路智力抢答器的设计 ·················································································· 101
5.8 思考题 ···················································································································103
第6 章 电子产品调试工艺 ··················································································· 104
6.1 调试工艺过程 ················································································································ 104
6.2 调试的内容 ·············································································································105
6.2.1 静态测试与调整 ······························································································ 105


6.2.3 电路调整方法 ································································································· 107
6.3 整机调试 ························································································································ 107
6.3.1 整机电路的调试内容 ······················································································ 108
6.3.2 整机调试方法 ································································································· 109
6.3.3 调试步骤 ········································································································· 109
6.4 测试与检测仪器 ············································································································ 110
6.4.1 检查电路接线 ································································································· 110
6.4.2 调试所用仪器 ·································································································· 111
6.5 电路故障分析与排除方法 ······························································································ 111
6.5.1 常见检查方法 ·································································································· 111
6.5.2 故障分析与排除 ······························································································ 113
6.6 思考题 ···························································································································· 114
参考文献 ·················································································································· 115
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