DF100kW PSM短波发射机调谐系统原理及故障分析  

The Principles and Fault Analysis of the Tuning System of DF100 kW PSM Short-wave Transmitter

作　　者：郭华 任灵忠 

机构地区：[1]国家新闻出版广电总局725台,山西灵石031308

出　　处：《山西科技》2013年第4期74-78,共5页Shanxi Science and Technology

摘　　要：阐述了DF100 kW PSM短波发射机的调谐原理,分析了发射机调谐系统随动电位器中心抽头开路的故障现象和造成该现象的原因,并对相似故障进行了总结,以帮助同行对该类故障进行准确定位和快速有效处理。This paper expounds the tuning principles of DF100 kW PSM short-wave transmitter, analyzes the fault phenomenon of transmitter＇s tuning system that the circuit of centre tap of servo potentiometer is broken, and analyzes its reasons, and sums up some similar faults for helping the colleagues to make accurate location and effective treatment of such faults.

关 键 词：调谐系统 调谐原理 故障分析 短波发射机 

分 类 号：TN832[电子电信—信息与通信工程]