基于FPGA和AD9364的矢量信号源设计与实现  

Design and Implementation of Vector Signal Source Based on FPGA and AD9364

作　　者：尹康 罗义军[1] YIN Kang;LUO Yi-jun(School of Electronic Information,Wuhan University,Wuhan 430072,China)

机构地区：[1]武汉大学电子信息学院,湖北武汉430072

出　　处：《仪表技术与传感器》2021年第5期67-71,86,共6页Instrument Technique and Sensor

基　　金：湖南省科技创新平台与人才计划项目(2019TP1053)。

摘　　要：在通信测试中,往往需要信号源产生一些特殊多变的信号(如故障信号、模拟复杂电磁环境等),针对这一需求,文中设计一款具有便携式、高灵活性及适应性强的矢量信号源。以现场可编程逻辑阵列芯片(FPGA)为硬件控制核心,由上位机产生所需信源信号,具有很高的适应性;通过高速串行计算机扩展总线标准接口(PCIe)连接上位机与FPGA,进行大量高速数据交互;利用AD9364射频捷变收发器作为射频发射端,简化硬件结构,从而实现灵活便携的矢量信号源。经测试证明,该矢量信号源能正常进行用户自定义的矢量信号调制,并实现载波频率70 MHz~6 GHz可变,具有很高的灵活性,在实际工程测试中有很高的应用价值。In communication testing,the signal source is often required to generate some special and changeable signals(such as fault signals,simulated complex electromagnetic environment,etc.).In response to this demand,this article designed a portable,highly flexible and adaptable vector signal source.With field programmable logic array chip(FPGA)as the hardware control core,the host computer generated the required baseband signal,which had high adaptability.Host computer connected FPGA through the high-speed serial computer expansion bus standard interface(PCIe)to perform a large amount of high-speed data exchange.The AD9364 RF agile transceiver was used as the RF transmitter to simplify the hardware structure and a flexible and portable vector signal source was realized.The test proves that the vector signal source can normally perform user-defined vector signal modulation and realize the variable carrier frequency of 70 MHz~6 GHz.It has high flexibility and has high application value in actual engineering tests.

关 键 词：矢量信号源 FPGA PCIE AD9364 

分 类 号：TP23[自动化与计算机技术—检测技术与自动化装置]