宽带射频光收发设备的设计  

Design of broadband RF optical transceiver

作　　者：王卫龙[1] 张晓峰[1] 张志利 马晓明 WANG Weilong;ZHANG Xiaofeng;ZHANG Zhili;MA Xiaoming(Tianjin Optical and Communication Company,Tianjin 300350,China;1ntelligent Manufacturing College,Tianjin Sino-German University of Applied Sciences,Tianjin 300350,China)

机构地区：[1]天津光电通信技术有限公司,天津300211 [2]天津中德应用技术大学智能制造学院,天津300350

出　　处：《长江信息通信》2023年第4期36-38,共3页Changjiang Information & Communications

基　　金：天津市自然科学基金重点项目(No.21JCZDJC00790);天津市科技计划专项(No.19ZXJRGX00060);天津市高等学校创新团队培养计划(No.TD13-5094);天津市技术创新引导专项企业科技特派员项目(No.20YDTPJC00550)。

摘　　要：因为受限于模拟/数字(A/D)转换技术,卫星地面站、宽带微波通信、5G通信等大量应用场景对射频宽带信号光传输设备有着广泛需求。文中设计包含光发射机和光接收机,光发射机采用基于光信号的外调制技术,将2GHz到18GHz宽带射频信号调制到C波段光信号上,光接收机采用光强度解调技术,完成调制光信号到电信号的解调输出,光发射机和光接收机通过光缆/光纤连接,可完成2GHz到18GHz宽带射频信号的远距离传输。Because of the limitation of analog/digital(A/D)conversion technology,a large number of application scenarios such as satellite ground stations,broadband microwave communication,5g communication have a wide demand for RF broadband signal optical transmission equipment.This design includes optical transmitter and optical receiver.The optical transmitter uses external modulation technology based on optical signals to modulate 2GHz to 18GHz broadband radio frequency signals onto C-band optical signals.The optical receiver uses optical intensity demodulation technology to demodulate and output mo dulated optical signals to electrical signals.The optical transmitter and the optical receiver are connected by optical cable/fiber,which can complete the long-distance transmission of2GHz to 18GHz broadband RF signals.

关 键 词：光传输 射频 外调制 

分 类 号：TN915.62[电子电信—通信与信息系统]