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 전자기기 기능사 기출 과제 ····································· 122 1. 2음 경보기 ···························································································· 122 2. 정역 제어 회로 ······················································································ 126 3. 박자 발생기 ··························································································· 130 4. 카운터 선택 표시 회로 ········································································· 134 5. 위치 표시기 ··························································································· 138 6. 99진 계수기 ·························································································· 142 7. 전자 사이크로 ······················································································· 146 8. 전자 주사위 ··························································································· 150 9. 채널 전환 회로 ······················································································ 154 10. 횡단보도 제어기 ·················································································· 158 11. 계수 마감 경보 회로 ··········································································· 162 12. 전자 룰렛 ···························································································· 166 13. 예약된 숫자 표시기 ············································································ 170 14. 자동 링 카운터 ··················································································· 174 15. 프리셋 카운터 ····················································································· 178 16. 10진 계수기 ························································································ 182 17. 가변 순차기 ························································································· 186 18. 순차 점멸기 ························································································· 190 19. 10진수 설정 경보기 ············································································ 194 20. 빛 차단에 의한 5진 계수 정지 회로 ················································ 198 21. 빛에 의한 업/다운 선택 회로 ····························································· 202 제4장 전자기기 기능사 측정과제 전가기기 기능사 측정과제 ···········································································208 제5장 전자기기 기능사 회로 스케치 과제 전자기기 기능사 회로 스케치 과제 ····························································· 218