基于ad信号发生器的设计

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1、基于AD9834信号发生器的设计吉林化工学院毕业设计说明书多功能信号发生器的设计DesignofMulti-functionSignalGenerator学生学号：学生姓名：专业班级：指导教师：职称：起止日期：2010.3.1～2010.6.12吉林化工学院JilinInstituteofChemicalTechnology吉林化工学院毕业设计说明书摘要信号发生器，是一种用于产生标准信号的电子仪器，广泛地应用于电子电路、自动控制系统和教学实验等领域。随着科学技术的发展，对它的要求越来越高。本设计的核心由单片机C8051F410和AD9834构成，主要包含二个方面：硬

2、件设计和软件的设计的实现。硬件的设计以单片机C8051F410为核心，外围电路的设计包括键盘模块的设计、液晶显示模块的设计、DDS模块的设计、电源模块的设计等。软件设计的核心是C语言的开发及应用，主要有主程序、键盘子程序、液晶显示子程序、DDS模块子程序。信号发生器可产生三角波、方波、正弦波等多种波形且价格低廉。关键词：信号发生器；单片机C8051F410；DDSAD9834-I-多功能信号发生器的设计AbstractThesignalgeneratingdevice,isonekindusesinproducingstandardsignalelectronici

3、nstrumentation，andwidelyappliesinelectroniccircuit,automaticcontrolsystemandteachingexperimentdomainandsoon.Withthedevelopmentofscienceandtechnology,itisincreasinglyhighrequiredforit.ThecoreofdesignisconstitutedbytheMCUC8051F410andtheAD9834.Designhastwomainareas:hardwaredesignandsoftwa

4、redesignimplementation.C8051F410microcontrollerhardwaredesignisasthecore,theexternalcircuitdesign,includingkeyboardmoduledesigning,ddsmoduledesigning,liquidcrystalcircuitdesigning,powermodulesdesigning.SoftwaredesignistheClanguagedevelopmentandapplicationofmainprogram,keyboardsubroutin

5、e,LCDdisplaysubroutine,DDSmodulesubroutine.Thesignalgeneratormayhavethetriangularwave,thesquare-wave,thesinewaveandhavelowpriceinpractice.KeyWords：Signalgenerator;MCUC8051F410;DDSAD9834-II-吉林化工学院毕业设计说明书目录摘要················································································

6、····························································IAbstract··············································································································································II第1章绪论····································································

7、·························································11.1课题研究背景及意义·······································································································11.2信号发生器发展状况··································································································