摘要
介绍了一种基于DDS芯片AD9956实现线性调频功能的硬件实现方法。阐述了如何利用DDS激励PLL系统的方案,设计一种覆盖雷达典型频段的、线性调频的信号源。该设计能满足线性调频的要求,具有较好的实用价值,而且具有很好的可编程性和扩展性。
The hardware configuration of using DDS chip AD9956 to realize the linear frequency modulation function is introduced. How to design a signal generator that covers typical frequency range of radar with LFM by method of using DDS stimulate PLL is presented. The design can meet the requirement of LFM, and possess better practical value. Also, it has many other characteristics, such as better programmable and better extension.
出处
《电子测量技术》
2006年第2期126-128,共3页
Electronic Measurement Technology
