这个AD9850是我花了4个小时才调试的；也是一个DDS，我最近专门研究了一些DDS，主要是用来学生做电子竞赛，这个AD9850的纹波有点大，但是整体不错；请大家多多指教；谢谢！-The AD9850 is that I spent 4 hours debugging　one the DDS, specializes in some of the DDS is used to do electronic competition, the ripple of the AD9850 is a little big, but overall good　Please exhibitions　Thank you!