基于AD9954的多功能信号源设计  

Design of Multifunctional Signal Source Based on AD9954

作　　者：王勇军[1] 

机构地区：[1]桂林电子科技大学职业技术学院,广西桂林541004

出　　处：《测控技术》2013年第4期115-118,共4页Measurement & Control Technology

基　　金：广西科学研究与技术开发计划资助项目(桂科攻11107006-19)

摘　　要：多功能信号源选用AT89C55单片微处理器对直接数字频率合成器AD9954进行控制与管理,在CPLD和A/D转换等电路配合下实现了1～100 MHz正弦信号输出、扫频、跳频信号输出和AM、FM、FSK、PSK、外部AM和FM调制功能。最后,使用了多种高档电子仪器对系统性能和技术参数进行了实验测试,均达到了设计要求。The multifunctional signal sources chooses the microcontroller AT89C55 to control the DDS AD9954,which achieves system control and management.And with the help of CPLD and A/D converter,it can realize much functions.The functions include that outputting sine single of frequency ranges from 1 Hz to 100 MHz,frequency-sweeping,frequency-skipping single,as well as AM,FM,FSK,PSK,BPSK and external AM and FM modulation.Finally,after system performances and technology parameters are tested by some advanced instruments,all of the design requirements are obtained.

关 键 词：多功能信号源 直接数字合成器 跳频 调制 

分 类 号：TN492[电子电信—微电子学与固体电子学]