基于AD9852多模式信号的应用研究  

Study and application of multi-mold signal based on AD9852

作　　者：刘明成[1] 刘瑞安[1] 

机构地区：[1]天津师范大学物理与电子信息学院,天津300387

出　　处：《天津师范大学学报（自然科学版）》2011年第3期59-62,共4页Journal of Tianjin Normal University：Natural Science Edition

基　　金：天津市自然科学基金资助项目(09JCYBJC00100)

摘　　要：针对DDS器件AD9852的功能特点,设计了通过AVR单片机ATmega128控制AD9852芯片实现的程控信号源电路,并对ATmega128与AD9852之间的硬件接口电路以及软件功能的实现进行了介绍.通过此设计可以方便地实现对信号源输出频率、相位和AD9852各种模式的控制,使之能输出高稳定度、高分辨率和多模式的信号.AD9852＇s functions and features are described,and the design circuit of signal generator controlled by ATmega128 and AD9852 is introduced as well as the circuit realization of software and hardware between ATmega128 and AD9852.From the perspective of the real working effects of the circuit design,the output wave is satisfied with the demand of high stability,high precision and multi-mold signal.

关 键 词：DDS技术 AD9852 ATMEGA128 多模式 

分 类 号：TN742.1[电子电信—电路与系统]