| PN结正向伏安特性随温度变化的实验设计 |
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| 引用本文： | 周党培,陈业仙.PN结正向伏安特性随温度变化的实验设计[J].实验科学与技术,2012,10(2):11-14. |
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| 作者姓名： | 周党培 陈业仙 |
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| 作者单位： | 1. 五邑大学物理实验中心,广东江门,529020
2. 五邑大学教务处,广东江门,529020 |
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| 摘 要： | 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。
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| 关 键 词： | PN结 正向伏安特性 波尔兹曼常数 反向饱和电流 物理实验 |
Design of the Experiment of Variation of Positive Volt-ampere Characteristics of PN Junction with Temperature |
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| ZHOU Dang-peia,CHEN Ye-xian.Design of the Experiment of Variation of Positive Volt-ampere Characteristics of PN Junction with Temperature[J].Experiment Science & Technology,2012,10(2):11-14. |
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| Authors: | ZHOU Dang-peia CHEN Ye-xian |
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| Institution: | b(a.Physics Laboratory Centre;b.Dean＇ s Office,Wuyi University,Jiangmen 529020,China) |
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| Abstract: | 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. |
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| Keywords: | PN junction positive volt-ampere characteristics reverse saturation current physical experiment |
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