HSP50216在短波四信道数字收信机中的应用  

Application of HSP50216 in Digital Short-wave Receiver

作　　者：杨春顺 

机构地区：[1]海军驻上海地区军事通信代表室,上海200333

出　　处：《计算机与数字工程》2008年第6期150-152,共3页Computer & Digital Engineering

摘　　要：数字下变频技术是实现数字化短波收信机的重要基础,讨论数字下变频的原理和结构,分析其频谱搬移过程。介绍数字下变频专用芯片HSP50216的原理、内部结构及其配置,重点分析其抽取滤波的特性,并给出其在短波四信道数字中频化收信机中的应用。实验证明,HSP50216的应用大大提高短波接收系统的灵活性和技术指标。The technology of digital down conversion is an important basis of digitalized receiver. This thesis researches the principle and structure of HSP50216 via the general principle and structure of digital down converters and its process of spectrum moving. It emphatically analyses the characteristics of HSP50216＇ s decimation -filter and presents its application in shortwave channel of digital IF receiver. The test experiment illustrates using the HSP50216 in far - distance HF ground wave radar show that it improves the receiver system＇ s flexibleness and performance greatly.

关 键 词：抽取滤波器 HSP50216 短波通信 数字下变频 

分 类 号：TN851[电子电信—信息与通信工程]