생생한 전자기기기능사 실기

제1장 전자ㆍ전자 실기/실습 기초 지식

1. 그리스 문자 및 SI 접두어 ······································· 14

2. 단위기호 및 명칭 ············································· 15

3. 전기 및 전자 기호와 기능 ······································ 16

4. 각종 소자의 구조와 성능 ······································· 24
4-1 저항기(resistor) ·················································································· 24
4-2 콘덴서(condenser) ·············································································· 30
4-3 인덕터(inducter) ················································································· 34
4-4 스피커(speaker) ·················································································· 36
4-5 릴레이(relay) ······················································································· 37
4-6 스위치(switch) ···················································································· 39
4-7 수정 진동자 및 수정 발진기 ······························································· 43

5. 반도체 소자의 구조와 특성 ····································· 44
5-1 다이오드(diode) ··················································································· 44
5-2 트랜지스터(transistor) ······································································· 47
5-3 전계 효과 트랜지스터(FET：field effect transistor) ····················· 51
5-4 광소자(photo device) ········································································· 53
5-5 트리거 소자(trigger device) ······························································ 60
5-6 사이리스터(thyristor) ········································································· 65
5-7 기타 여러 소자 ···················································································· 70


제2장 측정기 사용 방법

1. 회로 시험기(circuit tester) ····································· 78
1-1 각 부위별 명칭 ···················································································· 78
1-2 측정 방법 ····························································································· 81

2. 오실로스코프(oscilloscope) ···································· 86
2-1 각 부위별 명칭 ···················································································· 86
2-2 기본 측정 ····························································································· 91
2-3 응용 측정 ····························································································· 99

3. 함수 발진기(function generator) ······························ 107
3-1 각 부위별 명칭 ·················································································· 107
3-2 조작 순서 ··························································································· 109
3-3 사용 방법 ··························································································· 109


제3장 기초 실습 과제

작품 제작 방법 ················································ 114
1. 회로도 분석 및 패턴도(부품 배치도) 작성 ··········································· 114
2. 부품의 실장 ··························································································· 115
3. 납땜 작업 ······························································································ 117
4. 배선 작업 ···························································································· 120
5. 동작 검사 ······························································································ 121

기초 실습 과제 ················································ 122
1. 2석 윙커 ································································································ 122
2. 새소리 발진기 ······················································································· 124
3. 단안정 멀티바이브레이터 ······································································ 126
4. 쌍안정 멀티바이브레이터 ······································································ 128
5. 비안정 멀티바이브레이터 ······································································ 130
6. OR 논리 회로 ······················································································· 132
7. AND 논리 회로 ···················································································· 134
8. EX-OR 논리 회로 ··············································································· 136
9. NOR 게이트를 이용한 R/S 플립플롭 ················································· 138
10. 톤(Tone) 경보기 ················································································· 140


제4장 전자기기 기능사 기출 과제

전자기기 기능사 기출 과제 ····································· 143
1. 2음 경보기 ···························································································· 144
2. 정역 제어 회로 ······················································································ 147
3. 박자 발생기 ··························································································· 150
4. 카운터 선택 표시 회로 ········································································· 153
5. 위치 표시기 ··························································································· 156
6. 99진 계수기 ·························································································· 159
7. 전자 사이크로 ······················································································· 162
8. 전자 주사위 ··························································································· 165
9. 채널 전환 회로 ······················································································ 168
10. 횡단보도 제어기 ·················································································· 171
11. 계수 마감 경보 회로 ··········································································· 174
12. 전자 룰렛 ···························································································· 177
13. 예약된 숫자 표시기 ············································································ 180
14. 자동 링 카운터 ··················································································· 183
15. 프리셋 카운터 ····················································································· 186
16. 10진 계수기 ························································································ 189
17. 가변 순차기 ························································································· 192
18. 순차 점멸기 ························································································· 195
19. 10진수 설정 경보기 ············································································ 198
20. 빛 차단에 의한 5진 계수 정지 회로 ················································ 201
21. 빛에 의한 업/다운 선택 회로 ····························································· 204