| 热释电红外传感器噪声特性分析 |
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| 引用本文： | 付文羽. 热释电红外传感器噪声特性分析[J]. 传感器与微系统, 2001, 20(8): 25-27 |
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| 作者姓名： | 付文羽 |
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| 作者单位： | 庆阳师范高等专科学校物理系, |
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| 摘 要： | 采用噪声电流电压的En -In 模型对热释电红外传感器的噪声特性进行了定性分析 ,给出了热释电红外传感器的输出噪声电压公式及其低噪声设计的一般方法
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| 关 键 词： | 热释电红外传感器 结型场效应晶体管 信噪比 噪声模型 |
| 文章编号： | 1000-9787(2001)08-0025-03 |
| 修稿时间： | 2001-04-06 |
Analysis of noise performance for pyroelectric infrared sensor |
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| FU Wen yu. Analysis of noise performance for pyroelectric infrared sensor[J]. Transducer and Microsystem Technology, 2001, 20(8): 25-27 |
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| Authors: | FU Wen yu |
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| Abstract: | By adopting a noise current E n I n model the noise performance of pyroelectric infrared sensor is quantitatively analyzed. At the same time,the formula of noise equivalent output voltage and the general method of low noise device are given. |
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| Keywords: | pyroelectric infrared sensor junction field effect transistor(JFET) signal noise ratio (SNR) noise model |
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