短波多频调幅广播发射机方案设计  

Design of Short-wave Multi-frequency Amplitude Modulation Broadcast Transmitter Scheme

作　　者：孟凡涛[1,2] Meng Fantao(Radio,Film&TV Design and Research Institute Co.,Ltd.,Beijing 100045,China;Electromagnetic Environment Research and Testing Laboratory of National Radio Television Administration,Beijing 100045,China)

机构地区：[1]中广电广播电影电视设计研究院有限公司,北京100045 [2]电磁环境研究与测试国家广播电视总局实验室,北京100045

出　　处：《广播与电视技术》2024年第7期84-87,共4页Radio & TV Broadcast Engineering

摘　　要：本文提出了短波多频调幅广播发射机的设计方案,详细剖析发射机的系统构成与设计原理。针对控保分系统、激励器分系统、功放分系统、滤波器分系统以及稳压电源分系统等,本文提出了相应的设计方案和技术参数,为短波调幅广播发射机实现多频同播技术提供有力的参考依据。This paper researches the design of shortwave multi-frequency AM broadcast transmitter,analyzes the system composition and design principle of the transmitter.It proposes corresponding design schemes and technical parameters for control and protection sub-system,exciter sub-system,amplifier sub-system,filter sub-system,and voltage regulator,providing a strong reference for shortwave AM broadcast transmitter to realize multi-frequency co-broadcasting technology.

关 键 词：控保分系统 滤波器分系统 吸收式滤波器 带外杂散 

分 类 号：TN822.2[电子电信—信息与通信工程]