| 放大器内部噪声的研究 |
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| 引用本文： | 齐海东,刘艳虹.放大器内部噪声的研究[J].松辽学刊,2006,27(4):119-120. |
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| 作者姓名： | 齐海东 刘艳虹 |
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| 作者单位： | [1]吉林师范大学信息技术学院,吉林四平136000 [2]四平市世英实验中学,吉林四平136000 |
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| 摘 要： | 本文主要分析了放大器的噪声对信号的影响及影响程度，介绍了衡量放大器的噪声对信号影响程度的参数，噪声系数，以及噪声系数的定义即而可计算出放大器的内部噪声．对放大器的噪声有进一步的了解，为分析或设计放大器提供了参考依据．
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| 关 键 词： | 信噪比 噪声系数 放大器 内部噪声 |
| 文章编号： | 1000-1840（2006）04-0019-02 |
| 收稿时间： | 2006-07-10 |
| 修稿时间： | 2006年7月10日 |
Reseaching the internal noise of amplifier |
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| QI Hai-dong,LIU Yan-hong.Reseaching the internal noise of amplifier[J].Songliao Journal (Natural Science Edition),2006,27(4):119-120. |
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| Authors: | QI Hai-dong LIU Yan-hong |
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| Institution: | 1. The Information Technology Institute of Jilin Normal University, Siping 136000,China; 2. Siying Middle School of Siping City, Siping 136000,China |
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| Abstract: | This article has mainly analyzed the amplifier noise to the influence of signal and the influence degree, Introduced weighs the amplifier the noise to the signal influence parameter -noise factor, As well as noise factor definition, computational method, Namely but may calculate lends out the great talent internal noiseHas the further understanding to the amplifier noise, In order to analyze or designs the amplifier to provide the reference . |
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| Keywords: | SNR noise factor amplifier Internal noise |
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