基于FPGA控制的低相噪捷变频率源设计  

Design of Low Phase Noise Agile Frequency Source Based on FPGA Control

作　　者：刘川辉 闫军[1] Liu Chuanhui;Yan Jun(No.thirty-four Institute of China Electronics Technology Corporation,Guilin Guangxi,541004)

机构地区：[1]中国电子科技集团公司第三十四研究所,广西桂林541004

出　　处：《电子测试》2020年第16期22-23,共2页Electronic Test

摘　　要：文章基于新型直接频率合成器,利用该装置实行倍频输出方式,提供线性调频(LFM)信号,打破DDS运行独立的局面,调整了与变频方案的频率配置关系。依托于FPGA电路以达到高速控制的效果,提高了毫米波频率合成器运行的协调性。The article is based on a new type of direct frequency synthesizer,which uses this device to implement a multiplier output method to provide linear frequency modulation(LFM)signals,breaking the independent situation of DDS operation,and adjusting its frequency configuration relationship with the frequency conversion scheme.Relying on the FPGA circuit to achieve the effect of high-speed control,improve the coordination of the millimeter wave frequency synthesizer operation.

关 键 词：FPGA控制 DDS 线性调频 

分 类 号：TN74[电子电信—电路与系统] TN791