实验科学与技术
實驗科學與技術
실험과학여기술
EXPERIMENT SCIENCE AND TECHNOLOGY
2012年
2期
11-14
,共4页
PN结%正向伏安特性%波尔兹曼常数%反向饱和电流%物理实验
PN結%正嚮伏安特性%波爾玆曼常數%反嚮飽和電流%物理實驗
PN결%정향복안특성%파이자만상수%반향포화전류%물리실험
PN junction%positive volt-ampere characteristics%reverse saturation current%physical experiment
讨论了不同温度下PN结的正向伏安特性的测量方法,设计了利用TH-J型PN结正向压降温度特性测试仪研究PN结正向伏安特性曲线随温度变化的实验,定性地分析了PN结正向伏安特性随温度变化的规律;利用Excel进行指数拟合测定了波尔兹曼常数,并确定了常温下PN结的反向饱和电流,从而定量地描述PN结的正向伏安特性曲线,取得了较为准确的实验结果。
討論瞭不同溫度下PN結的正嚮伏安特性的測量方法,設計瞭利用TH-J型PN結正嚮壓降溫度特性測試儀研究PN結正嚮伏安特性麯線隨溫度變化的實驗,定性地分析瞭PN結正嚮伏安特性隨溫度變化的規律;利用Excel進行指數擬閤測定瞭波爾玆曼常數,併確定瞭常溫下PN結的反嚮飽和電流,從而定量地描述PN結的正嚮伏安特性麯線,取得瞭較為準確的實驗結果。
토론료불동온도하PN결적정향복안특성적측량방법,설계료이용TH-J형PN결정향압강온도특성측시의연구PN결정향복안특성곡선수온도변화적실험,정성지분석료PN결정향복안특성수온도변화적규률;이용Excel진행지수의합측정료파이자만상수,병학정료상온하PN결적반향포화전류,종이정량지묘술PN결적정향복안특성곡선,취득료교위준학적실험결과。
The measuring method of positive volt-ampere characteristics of PN junction at different temperature is introduced.The experiment of variation of positive volt-ampere characteristics of PN junction with temperature based on the instrument of model TH-J which is used to research the relation of PN junction forward voltage drop and temperature is designed.The Boltzmann constant and the reverse saturation current of the PN junction on normal temperature are measured.The positive volt-ampere characteristics of PN junction and its variation with temperature can be described quantitatively and qualitatively,and the good experiment results are reached.
