摘要
直接数字频率合成(Direct Digital Synthesis,DDS)芯片具有多种信号工作模式,对要求复杂信号输出的电子设备是一种好的选择。本文基于AD9854芯片,介绍利用复杂可编程逻辑器件(Complex Programmable Logic Device,CPLD)开发其功能,产生特殊复杂信号的方法,给出了设计实例和实测结果,验证了设计的有效性。
Direct Digital Synthesis （ DDS ） chip has many working models. It is a good choice lor some electronic equipments which reqire complex signals. Based on the chip of AD9854, the paper develops a technology which utilizes CPLD device to generate specific signal waveform. Furthermore, the paper presents a design example and the experimental results validate the efficiency of this method.
出处
《信息与电子工程》
2007年第1期75-77,共3页
information and electronic engineering
