DAM中波发射机A/D转换板故障分析和处理

Fault Analysis and Handling of DAM Medium Wave Transmitter A/D Conversion Board

阐述数字幅度调制(Digital Amplitude Modulation,DAM)中波发射机模数(Analog to Digital,A/D)转换原理、A/D转换板主要组成部分及其作用,列举A/D转换板在实际运行中出现的常见故障案例,对常见故障给出分析和处理方法,为今后该板的故障分析和处理工作提供参考。

This paper describes the Digital Amplitude Modulation(DAM)medium wave transmitter Analog to Digital(A/D)conversion principle,the main components and functions of A/D conversion board,and lists the common failure cases of A/D conversion board in actual operation.The analysis and treatment methods of commonf aults are given,which provide reference for the fault analyssi and treatment of the board in the future.