DVOR4000设备分段式典型故障分析  

Analysis on DVOR4000 Equipment Segmentation Type Typical Fault

作　　者：肖山 XIAO Shan(Chongqing Sub-bureau of Southwest Air Traffic Management Bureau of Civil Aviation of China,Chongqing 401120,China)

机构地区：[1]中国民用航空西南地区空中交通管理局重庆分局,重庆401120

出　　处：《现代信息科技》2021年第1期65-67,共3页Modern Information Technology

摘　　要：DVOR设备主要分三大部分,即双发射机部分,监控部分,天线切换单元、天馈线系统组成的公共部分,排除故障按照这三部分进行分段式检查,检查时可使用仪器仪表。监控器部分采用外场测试仪进行测试,发射机部分使用功率计测试载波及边带功率,天馈线系统使用网络分析仪对载波天线、边带天线、监控天线进行驻波比测试,并针对易损坏的公共部分板件边带调制混合器MODSBB,双发射机单元载波放大器板件CA100进行了详细的故障现象描述。DVOR equipment is mainly divided into three parts,double transmitter part,monitoring part and common part composed of antenna switching unit and antenna feeder system.Troubleshooting is carried out according to the segmented inspection of the three parts,and instruments can be used for inspection.The monitor part is tested by the field tester,the transmitter part is tested its carrier wave and sideband power by the power meter,the antenna feeder system is tested by the network analyzer for the standing wave ratio of the carrier antenna,the sideband antenna and the monitoring antenna,and do detaild failure phenomenon descriptions for the sideband modulation mixer MODSBB of the vulnerable common part panel and the dual transmitter unit carrier amplifier panel CA100.

关 键 词：双发射机 公共部分 监控部分 边带调制混合器 载波放大器 

分 类 号：V351.37[航空宇航科学与技术—人机与环境工程]