| 一种新款式光接收机的电路结构和C/N指标分析 |
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| 引用本文： | 林挺逵.一种新款式光接收机的电路结构和C/N指标分析[J].中国有线电视,2006(9):884-887. |
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| 作者姓名： | 林挺逵 |
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| 作者单位： | 台州市广播电视总台路桥广电中心,浙江,台州,318050 |
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| 摘 要： | 剖析一种新款式光接收机的电路结构，分别计算光接收机处于低光功率接收模式和高光功率接收模式时光链路的C／N指标和电放大器的C／N指标值，得出结论是：改用高光功率接收模式时，光链路的C／N指标和电放大器的C／N指标值都会有所降低，一般情况下不宜采用这种模式。
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| 关 键 词： | 低光功率接收模式 高光功率接收模式 光链路 放大器 C/N指标 |
| 文章编号： | 1007-7022（2006）09-0884-04 |
| 收稿时间： | 2006-03-07 |
| 修稿时间： | 2006年3月7日 |
Circuit Structure and C/N Ratio Analysis of a New Product of Optical Receiver |
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| LIN Ting-kui.Circuit Structure and C/N Ratio Analysis of a New Product of Optical Receiver[J].China Cable Television,2006(9):884-887. |
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| Authors: | LIN Ting-kui |
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| Affiliation: | Taizhou Broadcast and Television Station, Luqiao Center, Zhejiang Taizhou 318050, China |
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| Abstract: | By analyzing the circuit structure of a new product of optical receiver, calculating the C/N ratio of optical and electrical link under low power mode and high power mode respectively, a conclusion can be made that in high power mode, C/N ratio of both optical link and electrical link are relatively low, which means high power mode is generally not preferred. |
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| Keywords: | low optical power receiving mode high optical power receiving mode optical link amplifier C/N |
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