基于DDS信号发生器设计报告.doc

目录TOC\o"1-3"\h\z\uHYPERLINK\l"_Toc177884362"绪论PAGEREF_Toc177884362\h1HYPERLINK\l"_Toc177884363"1系统设计PAGEREF_Toc177884363\h2HYPERLINK\l"_Toc177884364"1.1方案论证PAGEREF_Toc177884364\h2HYPERLINK\l"_Toc177884365"1.1.1信号模块PAGEREF_Toc177884365\h2HYPERLINK\l"_Toc177884366"1.1.2控制模块PAGEREF_Toc177884366\h3HYPERLINK\l"_Toc177884367"1.1.3显示模块PAGEREF_Toc177884367\h4HYPERLINK\l"_Toc177884368"1.1.4键盘输入模块PAGEREF_Toc177884368\h4HYPERLINK\l"_Toc177884369"1.1.5系统各模块的最终方案PAGEREF_Toc177884369\h4HYPERLINK\l"_Toc177884370"1．2理论分析与计算PAGEREF_Toc177884370\h5HYPERLINK\l"_Toc177884371"1.2.1频率精度计算PAGEREF_Toc177884371\h5HYPERLINK\l"_Toc177884372"1.2.2DDS的理论分析PAGEREF_Toc177884372\h5HYPERLINK\l"_Toc177884373"1.2.3DDS的参数计算PAGEREF_Toc177884373\h6HYPERLINK\l"_Toc177884374"2硬件系统设计PAGEREF_Toc177884374\h7HYPERLINK\l"_Toc177884375"2．1硬件元器件的选用PAGEREF_Toc177884375\h7HYPERLINK\l"_Toc177884376"2.1.1C8051F020控制芯片简介PAGEREF_Toc177884376\h7HYPERLINK\l"_Toc177884377"2.1.2AD9954简介PAGEREF_Toc177884377\h9HYPERLINK\l"_Toc177884378"2．2单元硬件电路设计PAGEREF_Toc177884378\h13HYPERLINK\l"_Toc177884379"2.2.1矩阵(4×4)键盘电路PAGEREF_Toc177884379\h13HYPERLINK\l"_Toc177884380"2.2.2电源电路PAGEREF_Toc177884380\h14HYPERLINK\l"_Toc177884381"2.2.3电压调幅电路PAGEREF_Toc177884381\h14HYPERLINK\l"_Toc177884382"2.2.4方波电路PAGEREF_Toc177884382\h14HYPERLINK\l"_Toc177884383"2.2.5三角波电路PAGEREF_Toc177884383\h15HYPERLINK\l"_Toc177884384"3软件系统设计PAGEREF_Toc177884384\h16HYPERLINK\l"_Toc177884385"3.1程序流程图PAGEREF_Toc177884385\h16HYPERLINK\l"_Toc177884386"4系统测试PAGEREF_Toc177884386\h19HYPERLINK\l"_Toc177884387"4.1仿真测试