一种FPGA控制DDS实现4FSK&FM调制载波的国产化设计  

A Localized Design of FPGA Controlled DDS for 4FSK&FM Modulation Carrier

作　　者：王东虎 WANG Donghu(Hubei Guangxing Communication Technology Co.,Ltd.,Jingzhou 434007,China)

机构地区：[1]湖北广兴通信科技有限公司,湖北荆州434007

出　　处：《电声技术》2023年第5期118-121,共4页Audio Engineering

摘　　要：文章主要介绍一种现场可编程逻辑门阵列(Field Programmable Gate Array,FPGA)控制数字频率合成器(Direct Digital Synthesizer,DDS)实现四进制移频键控(Quaternary Frequency Shift Keying,4FSK)&频率调制(Frequency Modulation,FM)调制载波的设计方案,给出技术指标参数、硬件组成框图以及信号处理流程,对4FSK的调制信号和FM信号产生的实施方法进行探讨,并对电路框图中的关键器件进行国产化设计选型。This paper mainly introduces a Field Programmable Gate Array(FPGA)controlled Direct Digital Synthesizer(DDS)to realize Quaternary Frequency Shift Keying(4FSK)&Frequency Modulation(FM)modulation carrier design scheme,gives the technical index parameters,hardware composition block diagram and signal processing flow,discusses the implementation method of 4 FSK modulation signal and FM signal generation,and designs and selects the key devices in the circuit block diagram in China.

关 键 词：现场可编程逻辑门阵列(FPGA) 数字频率合成器(DDS) 四进制移频键控(4FSK)&频率调制(FM)调制载波 国产化设计 

分 类 号：TN911[电子电信—通信与信息系统]