목차

목 차
그 림 목 차 ··································································· iv
표 목 차 ···································································· vii
제 1 장 서 론 ·································································· 1
제 2 장 DC 파라미터 측정기의 개요 ······································· 4
2.1 기존 DC 파라미터 측정기의 기본 구성 ···························· 5
2.1.1 단위이득 버퍼 ··················································· 6
2.1.2 계측 증폭기 ······················································ 7
2.2 기존 DC 파라미터 측정기의 동작 원리 ···························· 8
2.2.1 전압 인가 ························································· 8
2.2.2 전류 인가 ························································· 9
2.2.3 전압 측정 ······················································· 11
2.2.4 전류 측정 ······················································· 12
2.3 기존 DC 파라미터 측정기의 문제점 ······························ 13
2.3.1 시스템 불안정성 ················································ 13
2.3.2 부정합과 오프셋 ················································ 14
2.3.3 하드웨어 면적과 전력소모 ···································· 14
2.4 차동차이증폭기를 이용한 DC 파라미터 측정기 ················· 15
2.4.1 차동차이증폭기 ················································· 17
2.4.2 전압 인가 또는 측정 ·········································· 19
2.4.3 전류 인가 ······················································· 20
2.4.4 전류 측정 ······················································· 21
2.4.4 요약 ······························································ 23
제 3 장 차동차이증폭기를 이용한 DC　파라미터 측정기 성능
개선 방안 ··························································· 24
3.1 차동차이증폭기를 이용한 DC 파라미터 측정기의 전압인가-
전류측정 모드 ························································ 25
3.1.1 차동차이증폭기를 이용한 계측 증폭기의 문제점 ·········· 26
3.1.2 기존 전압인가-전류측정 모드의 모의실험 결과 ··········· 29
3.2 동적 공통모드 전압 ················································· 30
3.2.1 동적 공통모드 전압을 적용한 전압인가-전류측정 모드의
모의실험 결과 ·················································· 32
3.3 전압인가-전류측정 모드의 새로운 연결 구조 ··················· 33
3.3.1 추가로 새로운 연결 구조를 적용한 전압인가-전류측정
모드의 모의실험 결과 ········································· 35
제 4 장 개선 회로 설계 및 모의실험 ····································· 36
4.1 제안하는 차동차이증폭기를 이용한 DC 파라미터 측정기 ······ 36
4.2 동작원리 ······························································ 38
4.2.2 전압인가-전압측정 ············································· 38
4.2.3 전압인가-전류측정 ············································· 40
4.2.4 전류인가-전압측정 ············································· 42
4.2.5 전류인가-전류측정 ············································· 44
4.3 고성능 차동차이증폭기 설계 및 모의실험 ························ 46
4.3.1 기존 차동차이증폭기 ·········································· 46
4.3.2 고성능 차동차이증폭기 ········································ 47
4.3.2 고성능 차동차이증폭기의 모의실험 ·························· 48
4.4 각 모드별 모의실험 결과 및 레이아웃 ··························· 51
4.3.1 전압인가-전압측정 ············································· 51
4.3.2 전압인가-전류측정 ············································· 52
4.3.3 전류인가-전압측정 ············································· 55
4.3.4 전류인가-전류측정 ············································· 58
4.3.5 레이아웃 ························································· 61
4.3.7 성능 요약 ······················································· 62
제 5 장 성능 시험 ··························································· 63
5.1 고성능 차동차이증폭기의 실험 ····································· 64
5.1.1 실험 장비 및 부품 ············································· 64
5.1.2 고성능 차동차이증폭기의 실험 결과 ························ 64
5.2 제안한 DC 파라미터 측정기의 실험 ······························ 66
5.2.1 실험 장비 및 부품 ············································· 66
5.2.2 제안한 DC 파라미터 측정기의 실험 및 보정 결과 ········ 67
5.2.3 성능 요약 ······················································· 74
제 6 장 결 론 ································································ 75
참 고 문 헌 ··································································· 77
영 문 초 록 ··································································· 79