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内容简介

本书依据多个省市职教高考技能测试考试大纲，设计有6个项目27个任务，包括常用电子仪器仪表和工具的使用、常用电子元器件的识别与检测、电子装调技能入门训练、单元电路安装与测试、小型电子产品制作与检测和技能综合训练等内容，提供10套技能高考模拟题，各项目有同步操作微视频、习题答案。本书充分考虑了学生参加职教高考技能考试的需要，重点在于技能操作的多角度呈现，突出技能传授与提高的特点，具有"互联网+教材+配套训练套件+同步操作视频”的鲜明特色。

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ISBN：9787121479373

开本：16(210*297)

页数：224

字数：367

本书目录

项目1 常用仪器仪表和工具的使用·····················································.1
任务1.1 万用表的使用·······························································.1
一、数字万用表的使用···························································.1
二、指针式万用表的使用························································.4
三、台式万用表的使用···························································.7
任务1.2 直流稳压电源的使用·····················································.12
一、直流稳压电源简介··························································.12
二、直流稳压电源的基本操作··················································.14
任务1.3 函数信号发生器的使用··················································.16
一、DG1022U 任意函数信号发生器简介·····································.16
二、函数信号发生器的基本操作···············································.17
任务1.4 数字示波器的使用························································.18
一、数字示波器简介·····························································.18
二、DS1072U 数字示波器的使用方法········································.21
任务1.5 常用工具的使用···························································.22
一、常用工具的种类·····························································.23
二、常用工具的特点及用途····················································.23
三、常用工具的使用注意事项··················································.25
项目2 常用电子元器件的识别与检测·················································.26
任务2.1 电阻器的识别与检测·····················································.26
一、电阻器·········································································.26
二、固定电阻器的主要参数····················································.26
三、特殊电阻器···································································.28
四、检测固定电阻器·····························································.29
五、检测可变电阻器·····························································.30
任务2.2 电容器的识别与检测·····················································.31
一、电容器·········································································.31
二、电容器的主要参数··························································.35
三、检测电容器···································································.36
任务2.3 电感器和变压器的识别与检测··········································.38
一、电感器和变压器·····························································.38
二、电感器和变压器的主要参数···············································.39
三、电感器的主要作用··························································.39
四、检测色码电感器和电源变压器············································.40
任务2.4 二极管的识别与检测·····················································.41
一、二极管·········································································.42
二、二极管的主要参数及特性··················································.44
三、检测二极管···································································.45
任务2.5 三极管的识别与检测·····················································.47
一、三极管·········································································.47
二、三极管的主要参数··························································.48
三、检测三极管···································································.49
任务2.6 光电器件的识别与检测··················································.50
一、光敏电阻······································································.51
二、光电二极管···································································.52
三、光敏三极管···································································.53
四、热释电红外传感器··························································.53
五、光电耦合器···································································.54
任务2.7 其他常用元器件的识别··················································.55
一、集成电路······································································.55
二、磁性元件······································································.57
三、驻极体话筒···································································.58
四、蜂鸣器·········································································.58
五、液晶显示屏···································································.59
六、微型直流电动机·····························································.60
七、半导体传感器································································.60
八、接插件·········································································.60
项目3 电子装调技能入门训练·························································.62
任务3.1 电子装调工艺······························································.62
一、工艺文件······································································.62
二、电子产品装调须知··························································.64
三、电子产品装配流程··························································.65
四、电子产品硬件调试技术····················································.66
任务3.2 电子工程图·································································.67
一、识图的基本知识·····························································.68
二、识读框图······································································.68
三、识读电路原理图·····························································.68
四、识读PCB 图··································································.70
任务3.3 通孔元器件插装···························································.72
一、通孔元器件引脚整形加工工艺············································.72
二、插装通孔元器件·····························································.76
三、通孔元器件的手工焊接····················································.78
任务3.4 SMD 贴装··································································.80
一、手工焊接SMD 的要求······················································.80
二、焊接操作步骤及方法·······················································.81
三、评分标准······································································.82
项目4 单元电路的安装与测试·························································.84
任务4.1 串联可调直流稳压电源的安装与测试·································.84
知识1 串联可调直流稳压电源的基本原理·································.84
知识2 主要元器件的作用·····················································.85
操作1 清点元器件······························································.85
操作2 检测元器件······························································.86
操作3 安装串联可调直流稳压电源··········································.86
操作4 电路测试·································································.88
任务4.2 分压式偏置放大电路的安装与测试····································.90
知识1 分压式偏置放大电路的基本原理····································.90
知识2 主要元器件的作用·····················································.91
操作1 清点元器件······························································.91
操作2 检测元器件······························································.92
操作3 安装分压式偏置放大电路·············································.92
操作4 电路测试·································································.93
任务4.3 RC 文氏电桥振荡器的安装与测试·····································.95
知识1 RC 文氏电桥振荡器的基本原理·····································.95
知识2 主要元器件的作用·····················································.96
操作1 清点元器件······························································.96
操作2 检测元器件······························································.97
操作3 安装RC 文氏电桥振荡器·············································.97
操作4 电路测试·································································.98
任务4.4 音频功率放大器的安装与测试········································.100
知识1 音频功率放大器的基本原理········································.100
知识2 主要元器件的作用···················································.100
操作1 清点元器件····························································.101
操作2 检测元器件····························································.102
操作3 安装音频功率放大器················································.102
操作4 电路测试·······························································.103
任务4.5 单稳态触发器的安装与测试···········································.105
知识1 单稳态触发器的基本原理···········································.105
知识2 主要元器件的作用···················································.106
操作1 清点元器件····························································.106
操作2 检测元器件····························································.107
操作3 安装单稳态触发器···················································.107
操作4 电路测试·······························································.108
任务4.6 简单表决器的安装与测试·············································.109
知识1 简单表决器的基本原理·············································.109
知识2 主要元器件的作用·····················································110
操作1 清点元器件······························································110
操作2 检测元器件······························································111
操作3 安装简单表决器························································111
操作4 电路测试·································································112
项目5 小型电子产品的制作与检测····················································114
任务5.1 LM386 音频功率放大电路的制作与检测······························114
知识1 LM386 音频功率放大电路············································114
知识2 工艺要求·································································115
知识3 特殊元器件介绍························································116
技能1 清点与检测元器件·····················································116
技能2 电路安装·································································117
技能3 装配质量检查···························································118
技能4 电路调试·································································119
技能5 电路参数测量···························································119
任务5.2 双速流水灯电路的制作与检测········································.122
知识1 双速流水灯电路······················································.123
知识2 特殊元器件介绍······················································.124
技能1 清点与检测元器件···················································.126
技能2 电路安装·······························································.127
技能3 装配质量检查·························································.128
技能4 电路调试·······························································.128
技能5 电路参数测量·························································.129
任务5.3 红外接近开关电路的制作与检测·····································.132
知识1 红外接近开关电路···················································.132
知识2 特殊元器件介绍······················································.134
技能1 清点与检测元器件···················································.135
技能2 电路安装·······························································.136
技能3 装配质量检查·························································.137
技能4 电路调试·······························································.137
技能5 电路参数测量·························································.140
任务5.4 抢答器电路的制作与检测·············································.143
知识1 抢答器电路····························································.143
知识2 特殊元器件介绍······················································.144
技能1 清点与检测元器件···················································.146
技能2 电路安装·······························································.147
技能3 装配质量检查·························································.148
技能4 电路调试·······························································.148
技能5 电路参数测量·························································.149
任务5.5 波形产生与选择电路的制作与检测··································.152
知识1 波形产生与选择电路················································.153
知识2 特殊元器件介绍······················································.154
技能1 清点与检测元器件···················································.155
技能2 电路安装·······························································.156
技能3 装配质量检查·························································.157
技能4 电路调试·······························································.157
技能5 电路参数测量·························································.159
任务5.6 9s 倒计时电路的制作与检测··········································.162
知识1 9s 倒计时电路························································.163
知识2 特殊元器件介绍······················································.164
技能1 清点与检测元器件···················································.165
技能2 电路安装·······························································.166
技能3 装配质量检查·························································.167
技能4 电路调试·······························································.167
技能5 电路参数测量·························································.168
项目6 职业技能综合训练·······························································172
模拟试题1 非门构成的振荡电路试题··········································.172
一、基本任务····································································.172
二、元器件的识别、测试、选用（50 分）·································.173
三、PCB 的焊接与装配（65 分） ············································.173
四、通电调试与测试（110 分）··············································.174
五、职业素养与安全文明操作（25 分） ···································.175
模拟试题2 波形产生与整形电路试题··········································.176
一、基本任务····································································.176
二、元器件的识别、测试、选用（50 分）·································.176
三、PCB 的焊接与装配（65 分） ············································.177
四、通电调试与测试（110 分）··············································.177
五、职业素养与安全文明操作（25 分） ···································.179
模拟试题3 两级放大电路试题··················································.180
一、基本任务····································································.180
二、元器件的识别、测试、选用（50 分）·································.180
三、PCB 的焊接与装配（65 分） ············································.181
四、通电调试与测试（110 分）··············································.181
五、职业素养与安全文明操作（25 分） ···································.183
模拟试题4 十进制计数器试题··················································.183
一、基本任务····································································.183
二、元器件的识别、测试、选用（50 分）·································.184
三、PCB 的焊接与装配（65 分） ············································.185
四、通电调试与测试（110 分）··············································.185
五、职业素养与安全文明操作（25 分） ···································.187
模拟试题5 串稳-多谐振荡电路试题···········································.187
一、基本任务····································································.187
二、元器件的识别、测试、选用（50 分）·································.188
三、PCB 的焊接与装配（65 分） ············································.189
四、通电调试与测试（110 分）··············································.189
五、职业素养与安全文明操作（25 分） ···································.191
模拟试题6 波形变换电路试题··················································.192
一、基本任务····································································.192
二、元器件的识别、测试、选用（50 分）·································.192
三、PCB 的焊接与装配（65 分） ············································.193
四、通电调试与测试（110 分）··············································.194
五、职业素养与安全文明操作（25 分） ···································.195
模拟试题7 触发器应用电路试题················································.195
一、基本任务····································································.195
二、元器件的识别、测试、选用（50 分）·································.196
三、PCB 的焊接与装配（65 分） ············································.197
四、通电调试与测试（110 分）··············································.197
五、职业素养与安全文明操作（25 分） ···································.199
模拟试题8 运算放大器构成的OCL 功率放大电路试题·····················.200
一、基本任务····································································.200
二、元器件的识别、测试、选用（50 分）·································.200
三、PCB 的焊接与装配（65 分） ············································.201
四、通电调试与测试（110 分）··············································.202
五、职业素养与安全文明操作（25 分） ···································.203
模拟试题9 30s/90s 定时器试题·················································.204
一、基本任务····································································.204
二、元器件的识别、测试、选用（50 分）·································.205
三、PCB 的焊接与装配（65 分） ············································.206
四、通电调试与测试（110 分）··············································.206
五、职业素养与安全文明操作（25 分） ···································.208
模拟试题10 波形发生器试题····················································.208
一、基本任务····································································.208
二、元器件的识别、测试、选用（50 分）·································.209
三、PCB 的焊接与装配（65 分） ············································.210
四、通电调试与测试（110 分）··············································.210
五、职业素养与安全文明操作（25 分） ···································.212
附录 本书配套电子制作套件····························································213
参考文献·····························································

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本书依据中等职业教育电子技术基础与技能课程标准和近年来部分省市电子信息类专业
职教高考考试大纲，以国家职业标准为参照，本着人才培养的原则，在深入调研的基础上，
聚集考点，紧扣必考点与常考点编写而成。
本书以实训操作为主，分为常用仪器仪表和工具的使用、常用电子元器件的识别与检测、
电子装调技能入门训练、单元电路的安装与测试、小型电子产品的制作与检测、职业技能综
合训练6 个项目。项目1～项目5 以任务为学习载体，根据初学者的认知特点，摒弃复杂的
原理介绍，将学习重点放在电路安装、调试、检测，以及仪器仪表在实际检测中的应用上，
以便使学生全面地了解和掌握电子技术基础技能；项目6 提供了10 套模拟试题。为突出动手
能力，本书的侧重点是实训操作，对有一定难度的操作过程均给出了参考数据或图片示例，
并提供同步操作视频，以帮助学生全面、系统、快速、高效地备考。本书力求突出以下特色。
（1）理实结合。
本书以使学生掌握电子技术基础知识与技能为核心，注重“教、学、做、思”合一，让
学生在“学中做、做中学、学中思”，凸显理实一体化训练的职教特色。
本书强调技能训练的重要性，在项目1～项目5 中设置了针对不同技能要点的实训操作，
引导学生进行思考，从而加强对技能要点的理解和掌握。
（2）突出实用。
本书站在学生及初学者的角度进行编写，灵活处理教学内容，难易分层，内容丰富，图
文并茂，配有同步操作视频、习题答案。把“任务目标”放在每个任务之首，使学生对任务
的重要知识点及技能要点做到心中有数；“任务分解”将任务分解为几个子任务，遵循由易到
难的原则，逐步掌握相关技能；“思考与提高”注重培养学生的创新思维和实践能力，增强学
习的趣味性和实用性；“拓展阅读”可加深学生对所学知识的理解，扩大知识面，提高学生的
自学能力、思维能力。
（3）器件配套。
本书是校企合作教材，企业电子工程师与学校专业课教师共同开发了本书配套的实训套
件和课外拓展训练套件，套件名称见本书附录，学生可在淘宝网的“东东电子套件”店铺
中购买套件。
本书分为6 个项目，建议安排65～74 学时，学时分配可参考下表。
项目                             项目内容                           建议学时     机动学时
项目1            常用仪器仪表和工具的使用                   5                    0
项目2            常用电子元器件的识别与检测               6                     2
项目3            电子装调技能入门训练                          4                     1
项目4            单元电路的安装与测试                         12                    2
项目5            小型电子产品的制作与检测                  18                    2
项目6             职业技能综合训练                                20                    2
                                    合计                                        65                    9
十年磨一剑，方显锐不可当；一朝试锋芒，定展雄才伟略。对于中等职业学校的学生来
说，专业基础是通行证，技能至关重要。电子技术基础技能的涉及面广，内容多，不仅要学
习与分析相关的电路原理，还要掌握装调技能，仪器仪表的使用方法，简单故障的处理方法
等，训练过程紧张而辛苦，反复多次，费尽心力。同学们只有拥有“长风破浪会有时，直挂
云帆济沧海”的信心和“黄沙百战穿金甲，不破楼兰终不还”的决心，才能以奋进的姿态，
迎接挑战，最终取得满意的成绩。
本书由重庆市垫江县职业教育中心杨清德、瑞安市职业中等专业教育集团学校周达王、
唐山市曹妃甸区职业技术教育中心丁秀艳担任主编，重庆市石柱土家族自治县职业教育中心
马力、重庆市丰都县职业教育中心胡荣华、江苏省盱眙中等专业学校高杰担任副主编。编写
人员分工如下：高杰编写项目1，周达王编写项目2，丁秀艳、重庆市工商学校吴雄编写项目
3，胡荣华编写项目4，马力编写项目5，马力、瑞安市职业中等专业教育集团学校卢方孩编
写项目6。本书由杨清德负责制定编写大纲和统稿。
本书可作为中等职业学校电子信息类专业学生的教学用书，供参加职教高考的学生考前
训练使用，也适合中等职业学校电子信息类专业一、二年级学生基础训练使用，还可作为社
会人员参加技能学习的培训用书。
由于编者水平有限，书中难免有疏漏及不当之处，恳请广大读者批评与指正，意见反馈
至杨清德的电子邮箱370169719@qq.com，以便进一步改进和提高。
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杨清德，高级讲师，任教于重庆市垫江县第一职业中学校。

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