阐述了任意分频器的原理、结构框图,并在此基础上提出了基于全数字DDS的全新实现方法,可实现频率准确率高、占宽比准确的多个标准频率源同时产生的新技术,探讨了此方法的实现原理和关键代码,并对该方法进行了性能分析.%This article describes the principle and structure diagram of frequency divider with no limitation .Then the article proposes a new method based on the fully digital DDS and finds out a new technology that can enable more than one standard frequency sources produce at the same time with the advantages of high frequency accuracy and ac -curate duty cycle.In the article,the author elaborates the principle and key code for this method and conducts a per-formance analysis of the method .
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