室内可见光通信APD探测电路的设计与实现

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室内可见光无线通信技术是随着白光LED照明技术的发展而兴起的无线光通信技术。在分析目前的可见光通信技术基础上,针对室内可见光通信系统的应用需求,设计了雪崩光电二极管（APD）探测电路组件。首先阐述了APD探测电路的工作原理,其次详细设计并分析了系统各组成部分的电路结构及其功能,最后对所设计的用于室内可见光通信接收子系统的探测组件进行了相关实验测试。实验结果表明：设计有效可行,APD探测电路具有增益高、带宽宽、温控可靠、稳定性好等优点,对室内可见光通信系统有很好的应用价值,为室内可见光通信系统进一步研究提供依据。

Recently, the indoor visible light wireless communications technology is emerged companied with the blooming white light-emitting diode（LED） lighting technology. In this thesis, the current visible light communication system was analyzed and aiming at the request of application in indoor visible light communication system, an avalanche photodiode（APD） detecting circuit was designed. Firstly, the work principle of the APD detecting circuit was described. Secondly, a detailed design and analysis of the system structure and their function of the circuit components was presented. Finally, a detecting circuit component of the indoor visible light wireless communications receivers was des...