項(xiàng)目1 常用儀器儀表和工具的使用·····················································.1
任務(wù)1.1 萬用表的使用·······························································.1
一、數(shù)字萬用表的使用···························································.1
二、指針式萬用表的使用························································.4
三、臺(tái)式萬用表的使用···························································.7
任務(wù)1.2 直流穩(wěn)壓電源的使用·····················································.12
一、直流穩(wěn)壓電源簡介··························································.12
二、直流穩(wěn)壓電源的基本操作··················································.14
任務(wù)1.3 函數(shù)信號(hào)發(fā)生器的使用··················································.16
一、DG1022U 任意函數(shù)信號(hào)發(fā)生器簡介·····································.16
二、函數(shù)信號(hào)發(fā)生器的基本操作···············································.17
任務(wù)1.4 數(shù)字示波器的使用························································.18
一、數(shù)字示波器簡介·····························································.18
二、DS1072U 數(shù)字示波器的使用方法········································.21
任務(wù)1.5 常用工具的使用···························································.22
一、常用工具的種類·····························································.23
二、常用工具的特點(diǎn)及用途····················································.23
三、常用工具的使用注意事項(xiàng)··················································.25
項(xiàng)目2 常用電子元器件的識(shí)別與檢測·················································.26
任務(wù)2.1 電阻器的識(shí)別與檢測·····················································.26
一、電阻器·········································································.26
二、固定電阻器的主要參數(shù)····················································.26
三、特殊電阻器···································································.28
四、檢測固定電阻器·····························································.29
五、檢測可變電阻器·····························································.30
任務(wù)2.2 電容器的識(shí)別與檢測·····················································.31
一、電容器·········································································.31
二、電容器的主要參數(shù)··························································.35
三、檢測電容器···································································.36
任務(wù)2.3 電感器和變壓器的識(shí)別與檢測··········································.38
一、電感器和變壓器·····························································.38
二、電感器和變壓器的主要參數(shù)···············································.39
三、電感器的主要作用··························································.39
四、檢測色碼電感器和電源變壓器············································.40
任務(wù)2.4 二極管的識(shí)別與檢測·····················································.41
一、二極管·········································································.42
二、二極管的主要參數(shù)及特性··················································.44
三、檢測二極管···································································.45
任務(wù)2.5 三極管的識(shí)別與檢測·····················································.47
一、三極管·········································································.47
二、三極管的主要參數(shù)··························································.48
三、檢測三極管···································································.49
任務(wù)2.6 光電器件的識(shí)別與檢測··················································.50
一、光敏電阻······································································.51
二、光電二極管···································································.52
三、光敏三極管···································································.53
四、熱釋電紅外傳感器··························································.53
五、光電耦合器···································································.54
任務(wù)2.7 其他常用元器件的識(shí)別··················································.55
一、集成電路······································································.55
二、磁性元件······································································.57
三、駐極體話筒···································································.58
四、蜂鳴器·········································································.58
五、液晶顯示屏···································································.59
六、微型直流電動(dòng)機(jī)·····························································.60
七、半導(dǎo)體傳感器································································.60
八、接插件·········································································.60
項(xiàng)目3 電子裝調(diào)技能入門訓(xùn)練·························································.62
任務(wù)3.1 電子裝調(diào)工藝······························································.62
一、工藝文件······································································.62
二、電子產(chǎn)品裝調(diào)須知··························································.64
三、電子產(chǎn)品裝配流程··························································.65
四、電子產(chǎn)品硬件調(diào)試技術(shù)····················································.66
任務(wù)3.2 電子工程圖·································································.67
一、識(shí)圖的基本知識(shí)·····························································.68
二、識(shí)讀框圖······································································.68
三、識(shí)讀電路原理圖·····························································.68
四、識(shí)讀PCB 圖··································································.70
任務(wù)3.3 通孔元器件插裝···························································.72
一、通孔元器件引腳整形加工工藝············································.72
二、插裝通孔元器件·····························································.76
三、通孔元器件的手工焊接····················································.78
任務(wù)3.4 SMD 貼裝··································································.80
一、手工焊接SMD 的要求······················································.80
二、焊接操作步驟及方法·······················································.81
三、評(píng)分標(biāo)準(zhǔn)······································································.82
項(xiàng)目4 單元電路的安裝與測試·························································.84
任務(wù)4.1 串聯(lián)可調(diào)直流穩(wěn)壓電源的安裝與測試·································.84
知識(shí)1 串聯(lián)可調(diào)直流穩(wěn)壓電源的基本原理·································.84
知識(shí)2 主要元器件的作用·····················································.85
操作1 清點(diǎn)元器件······························································.85
操作2 檢測元器件······························································.86
操作3 安裝串聯(lián)可調(diào)直流穩(wěn)壓電源··········································.86
操作4 電路測試·································································.88
任務(wù)4.2 分壓式偏置放大電路的安裝與測試····································.90
知識(shí)1 分壓式偏置放大電路的基本原理····································.90
知識(shí)2 主要元器件的作用·····················································.91
操作1 清點(diǎn)元器件······························································.91
操作2 檢測元器件······························································.92
操作3 安裝分壓式偏置放大電路·············································.92
操作4 電路測試·································································.93
任務(wù)4.3 RC 文氏電橋振蕩器的安裝與測試·····································.95
知識(shí)1 RC 文氏電橋振蕩器的基本原理·····································.95
知識(shí)2 主要元器件的作用·····················································.96
操作1 清點(diǎn)元器件······························································.96
操作2 檢測元器件······························································.97
操作3 安裝RC 文氏電橋振蕩器·············································.97
操作4 電路測試·································································.98
任務(wù)4.4 音頻功率放大器的安裝與測試········································.100
知識(shí)1 音頻功率放大器的基本原理········································.100
知識(shí)2 主要元器件的作用···················································.100
操作1 清點(diǎn)元器件····························································.101
操作2 檢測元器件····························································.102
操作3 安裝音頻功率放大器················································.102
操作4 電路測試·······························································.103
任務(wù)4.5 單穩(wěn)態(tài)觸發(fā)器的安裝與測試···········································.105
知識(shí)1 單穩(wěn)態(tài)觸發(fā)器的基本原理···········································.105
知識(shí)2 主要元器件的作用···················································.106
操作1 清點(diǎn)元器件····························································.106
操作2 檢測元器件····························································.107
操作3 安裝單穩(wěn)態(tài)觸發(fā)器···················································.107
操作4 電路測試·······························································.108
任務(wù)4.6 簡單表決器的安裝與測試·············································.109
知識(shí)1 簡單表決器的基本原理·············································.109
知識(shí)2 主要元器件的作用·····················································110
操作1 清點(diǎn)元器件······························································110
操作2 檢測元器件······························································111
操作3 安裝簡單表決器························································111
操作4 電路測試·································································112
項(xiàng)目5 小型電子產(chǎn)品的制作與檢測····················································114
任務(wù)5.1 LM386 音頻功率放大電路的制作與檢測······························114
知識(shí)1 LM386 音頻功率放大電路············································114
知識(shí)2 工藝要求·································································115
知識(shí)3 特殊元器件介紹························································116
技能1 清點(diǎn)與檢測元器件·····················································116
技能2 電路安裝·································································117
技能3 裝配質(zhì)量檢查···························································118
技能4 電路調(diào)試·································································119
技能5 電路參數(shù)測量···························································119
任務(wù)5.2 雙速流水燈電路的制作與檢測········································.122
知識(shí)1 雙速流水燈電路······················································.123
知識(shí)2 特殊元器件介紹······················································.124
技能1 清點(diǎn)與檢測元器件···················································.126
技能2 電路安裝·······························································.127
技能3 裝配質(zhì)量檢查·························································.128
技能4 電路調(diào)試·······························································.128
技能5 電路參數(shù)測量·························································.129
任務(wù)5.3 紅外接近開關(guān)電路的制作與檢測·····································.132
知識(shí)1 紅外接近開關(guān)電路···················································.132
知識(shí)2 特殊元器件介紹······················································.134
技能1 清點(diǎn)與檢測元器件···················································.135
技能2 電路安裝·······························································.136
技能3 裝配質(zhì)量檢查·························································.137
技能4 電路調(diào)試·······························································.137
技能5 電路參數(shù)測量·························································.140
任務(wù)5.4 搶答器電路的制作與檢測·············································.143
知識(shí)1 搶答器電路····························································.143
知識(shí)2 特殊元器件介紹······················································.144
技能1 清點(diǎn)與檢測元器件···················································.146
技能2 電路安裝·······························································.147
技能3 裝配質(zhì)量檢查·························································.148
技能4 電路調(diào)試·······························································.148
技能5 電路參數(shù)測量·························································.149
任務(wù)5.5 波形產(chǎn)生與選擇電路的制作與檢測··································.152
知識(shí)1 波形產(chǎn)生與選擇電路················································.153
知識(shí)2 特殊元器件介紹······················································.154
技能1 清點(diǎn)與檢測元器件···················································.155
技能2 電路安裝·······························································.156
技能3 裝配質(zhì)量檢查·························································.157
技能4 電路調(diào)試·······························································.157
技能5 電路參數(shù)測量·························································.159
任務(wù)5.6 9s 倒計(jì)時(shí)電路的制作與檢測··········································.162
知識(shí)1 9s 倒計(jì)時(shí)電路························································.163
知識(shí)2 特殊元器件介紹······················································.164
技能1 清點(diǎn)與檢測元器件···················································.165
技能2 電路安裝·······························································.166
技能3 裝配質(zhì)量檢查·························································.167
技能4 電路調(diào)試·······························································.167
技能5 電路參數(shù)測量·························································.168
項(xiàng)目6 職業(yè)技能綜合訓(xùn)練·······························································172
模擬試題1 非門構(gòu)成的振蕩電路試題··········································.172
一、基本任務(wù)····································································.172
二、元器件的識(shí)別、測試、選用（50 分）·································.173
三、PCB 的焊接與裝配（65 分） ············································.173
四、通電調(diào)試與測試（110 分）··············································.174
五、職業(yè)素養(yǎng)與安全文明操作（25 分） ···································.175
模擬試題2 波形產(chǎn)生與整形電路試題··········································.176
一、基本任務(wù)····································································.176
二、元器件的識(shí)別、測試、選用（50 分）·································.176
三、PCB 的焊接與裝配（65 分） ············································.177
四、通電調(diào)試與測試（110 分）··············································.177
五、職業(yè)素養(yǎng)與安全文明操作（25 分） ···································.179
模擬試題3 兩級(jí)放大電路試題··················································.180
一、基本任務(wù)····································································.180
二、元器件的識(shí)別、測試、選用（50 分）·································.180
三、PCB 的焊接與裝配（65 分） ············································.181
四、通電調(diào)試與測試（110 分）··············································.181
五、職業(yè)素養(yǎng)與安全文明操作（25 分） ···································.183
模擬試題4 十進(jìn)制計(jì)數(shù)器試題··················································.183
一、基本任務(wù)····································································.183
二、元器件的識(shí)別、測試、選用（50 分）·································.184
三、PCB 的焊接與裝配（65 分） ············································.185
四、通電調(diào)試與測試（110 分）··············································.185
五、職業(yè)素養(yǎng)與安全文明操作（25 分） ···································.187
模擬試題5 串穩(wěn)-多諧振蕩電路試題···········································.187
一、基本任務(wù)····································································.187
二、元器件的識(shí)別、測試、選用（50 分）·································.188
三、PCB 的焊接與裝配（65 分） ············································.189
四、通電調(diào)試與測試（110 分）··············································.189
五、職業(yè)素養(yǎng)與安全文明操作（25 分） ···································.191
模擬試題6 波形變換電路試題··················································.192
一、基本任務(wù)····································································.192
二、元器件的識(shí)別、測試、選用（50 分）·································.192
三、PCB 的焊接與裝配（65 分） ············································.193
四、通電調(diào)試與測試（110 分）··············································.194
五、職業(yè)素養(yǎng)與安全文明操作（25 分） ···································.195
模擬試題7 觸發(fā)器應(yīng)用電路試題················································.195
一、基本任務(wù)····································································.195
二、元器件的識(shí)別、測試、選用（50 分）·································.196
三、PCB 的焊接與裝配（65 分） ············································.197
四、通電調(diào)試與測試（110 分）··············································.197
五、職業(yè)素養(yǎng)與安全文明操作（25 分） ···································.199
模擬試題8 運(yùn)算放大器構(gòu)成的OCL 功率放大電路試題·····················.200
一、基本任務(wù)····································································.200
二、元器件的識(shí)別、測試、選用（50 分）·································.200
三、PCB 的焊接與裝配（65 分） ············································.201
四、通電調(diào)試與測試（110 分）··············································.202
五、職業(yè)素養(yǎng)與安全文明操作（25 分） ···································.203
模擬試題9 30s/90s 定時(shí)器試題·················································.204
一、基本任務(wù)····································································.204
二、元器件的識(shí)別、測試、選用（50 分）·································.205
三、PCB 的焊接與裝配（65 分） ············································.206
四、通電調(diào)試與測試（110 分）··············································.206
五、職業(yè)素養(yǎng)與安全文明操作（25 分） ···································.208
模擬試題10 波形發(fā)生器試題····················································.208
一、基本任務(wù)····································································.208
二、元器件的識(shí)別、測試、選用（50 分）·································.209
三、PCB 的焊接與裝配（65 分） ············································.210
四、通電調(diào)試與測試（110 分）··············································.210
五、職業(yè)素養(yǎng)與安全文明操作（25 分） ···································.212
附錄 本書配套電子制作套件····························································213
參考文獻(xiàn)·····························································