基于FPGA的正弦信号发生器

下载后可任意编辑基于 FPGA 的正弦信号发生器设计摘 要：本设计结合了EDA技术和直接数字频率合成（DDS）技术。EDA技术是现代电子设计技术的核心，是以电子系统设计为应用方向的电子产品自动化的设计技术。DDS技术则是最为先进的频率合成技术，具有频率分辨率高、频率切换速度快、相位连续、输出相位噪声低等诸多优点。本文在对现有 DDS 技术的大量文献调研的基础上，提出了符合 FPGA 结构的正弦信号发生器设计方案并利用 MAXPLUSⅡ 软件进行了设计实现。文中介绍了 EDA 技术相关知识，同时阐述了 DDS 技术的工作原理、电路结构，及设计的思路和实现方法。经过仿真测试，设计达到了技术要求。 关键词：现场可编程门阵列（ FPGA ） ；直接数字频率合成（ DDS ） ； 正弦波信号发生器The design of sine signal generating device 下载后可任意编辑based on FPGAAbstract：The design that combines EDA technology and Direct Digital Synthesis (DDS) technology. EDA technology is the design of modern electronic technology at the core, electronic system design direction for the application of electronic design automation products technology. DDS technology is the most advanced frequency synthesizer technology with the high-frequency resolution and frequency switching speed, continuous phase, low phase noise output many advantages. Based on the technology of existing DDS study of the extensive literature on the basis of FPGA with the structure of the sinusoidal signal generator design and the use of FPGA II software located Total realized. The paper introduced the EDA technology-related knowledge, and elaborated on the DDS technology principle, circuit structure, and design ideas and methods. After simulation tests designed to achieve the technical requirements. Keywords：FPGA；DDS；sine signal generating device下载后可任意编辑第 1 章绪 论1.1 引言直接数字频率合成(Digital Direct Frequency Synthesis)是一种比较新颖的频率合成方法。这个理论早在 20 世纪 70 年代就被提出，它...