DAM全固态中波广播发射机模数转换原理分析  

Principle Analysis of Analog-to-digital Conversion for DAM All-solid-state Medium Wave Broadcasting Transmitter

作　　者：杨成林 Yang Chenglin(Xinzhou Medium Wave Broadcasting Station,Shanxi Province Press and Publication Radio and Television Bureau,Xinzhou Shanxi 034000,China)

机构地区：[1]山西省广播电视局忻州中波转播台

出　　处：《山西电子技术》2019年第3期74-76,共3页Shanxi Electronic Technology

摘　　要：本文对DAM-10kW中波全固态数字发射机A/D转换过程进行了介绍,讲述了A/D转换的基本原理、取样量化、A/D转换、转换故障检测、大台阶同步信号电路以及音频还原电路的工作原理。This paper introduces the A/D conversion process of DAM-10 kw medium-wave all-solid-state digital transmitter,and describes the basic principle of A/D conversion,sampling quantization,A/D conversion,conversion fault detection,large step synchronous signal circuit and the working principle of audio recovery circuit.

关 键 词：全固态发射机 采样信号 A/D转换 大台阶 同步 

分 类 号：TN836.4[电子电信—信息与通信工程]