AM10_(3)S-Ⅱ型中波发射机A/D转换电路原理剖析  

Analysis of A/D conversion circuit of AM10_(3)S-Ⅱmedium-wave transmitter

作　　者：陈安国 Chen Anguo(Henan Nanyang Medium Wave Broadcast Relaying Station,Nanyang 473300,China)

机构地区：[1]河南省南阳中波转播台,河南南阳473300

出　　处：《无线互联科技》2023年第7期33-36,共4页Wireless Internet Technology

摘　　要：AM10_(3)S-Ⅱ型DAM中波发射机是在哈里斯DAM中波发射机基础上的改进型产品,发射机采用数字调制技术,具有工作效率高、保护功能完善、工作性能稳定的特点。其中模数转换(A/D)电路为数字音频处理部分核心电路,其作用是将模拟信号转化为数字信号,为数字调制电路提供数字调制信号。文章对AM10_(3)S-Ⅱ型DAM中波发射机A/D转换电路组成、工作原理进行了详细论述,为技术维护人员的理论学习和实践工作提供参考。The AM10_(3)S-type DAM medium wave transmitter is an improved product based on the Harris DAM medium wave transmitter.The transmitter adopts digital modulation technology,which has the characteristics of high working efficiency,perfect protection function and stable working performance.The analog-to-digital conversion(A/D)circuit is the core circuit of the digital audio processing part,which is to convert the analog signal into a digital signal and provide the digital modulation signal for the digital modulation circuit.This paper discusses the composition and working principle of A/D conversion circuit of AM10_(3)S-DAM in detail to provide reference for the theoretical study and practical work of technical maintenance personnel.

关 键 词：10kW DAM中波发射机 A/D转换电路 电路组成 工作原理 

分 类 号：TN838[电子电信—信息与通信工程]