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| 光接收机前端等效输入噪声电流谱密度与噪声系数间的关系 | |
| 引用本文： | 孙玲,王志功,景为平,高建军.光接收机前端等效输入噪声电流谱密度与噪声系数间的关系[J].半导体学报,2006,27(12). |
| 作者姓名： | 孙玲 王志功 景为平 高建军 |
| 作者单位： | 1. 东南大学射频与光电集成电路研究所,南京,210096;南通大学江苏省专用集成电路设计重点实验室,南通,226007 2. 东南大学射频与光电集成电路研究所,南京,210096 3. 南通大学江苏省专用集成电路设计重点实验室,南通,226007 |
| 基金项目： | 江苏省高技术研究发展计划项目，江苏省重点实验室基金 |
| 摘 要： | 根据光接收机前端等效电路模型,建立了噪声系数与等效输入噪声电流谱密度的关系.提出通过测量光接收机前端电路噪声系数间接获得等效输入噪声电流谱密度的方法.155Mb/s高阻结构光接收机前置放大器的电路仿真与计算验证了推导公式的正确性.最后给出在芯片测试实例. |
| 关 键 词： | 光接收机 噪声系数 等效输入噪声电流 |
Relationship Between Noise Figure and Equivalent Input Noise Current Spectral Density for Optical Receiver Design |
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| Sun Ling,Wang Zhigong,Jing Weiping,Gao Jianjun.Relationship Between Noise Figure and Equivalent Input Noise Current Spectral Density for Optical Receiver Design[J].Chinese Journal of Semiconductors,2006,27(12). | |
| Authors: | Sun Ling Wang Zhigong Jing Weiping Gao Jianjun |
| Abstract: | Based on the equivalent circuit model of a two-port optical receiver front-end,the relationship between the equivalent input noise current spectral density and the noise figure is analyzed.The derived relationship has universal validity for determining the equivalent input noise current spectral density for optical receiver designs,as verified by measuring a 155Mb/s high-impedance optical receiver front-end.Good agreement between calculated and simulated results has been achieved. |
| Keywords: | optical receiver noise figure equivalent input noise current |
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