基于FPGA的数模混合传输系统设计  

Design of Hybrid Digital-Analog Transmission System Based on FPGA

作　　者：李天可 秦明伟[3] LI Tianke;QIN Mingwei(University of Chinese Academy of Sciences,Beijing 100049,China;Instituteof Microelectronics of Chinese Academy of Sciences,Beijing 100029,China;School of Information Engineering,Southwest University of Science and Technology,Sichuan 621010,China)

机构地区：[1]中国科学院大学,北京100049 [2]中国科学院微电子研究所,北京100029 [3]西南科技大学信息工程学院,四川621010

出　　处：《集成电路应用》2024年第1期22-25,共4页Application of IC

基　　金：国家重点研发计划重大科学仪器设备开发专项子课题(2016YFF0104003)。

摘　　要：阐述AM-2FSK混合调制方案作为数模信号合路传输的实现方案,选用性能指标满足要求的器件组成收发端电路,进行FPGA程序设计和仿真,发送端程序、接收端程序的各模块逻辑功能正确,仿真结果符合预期。进行性能验证,结果表明该传输系统能同时传输和接收模拟信号和数字信号,接收到的信号波形规整无失真、接收端数码管显示的数据准确,数模混合传输系统得以实现并得到验证。This paper expounds the design of a hybrid transmission system suitable for digital and analog signals and the hybrid transmission of digital and analog signals in the same channel.The AM-2FSK hybrid modulation scheme is used to realize the hybrid transmission of digital and analog signals;The devices with satisfactory performance indexes are selected to form the transmitter and receiver circuit;The FPGA program design and simulation are carried out.The logic functions of each module of the transmitter program and the receiver program are correct,and the simulation results meet the expectations;The test results show that the transmission system can transmit and receive analog signals and digital signals at the same time,the received signal waveform is regular without distortion,the data displayed by the nixie tube at the receiver is accurate,the hybrid digital-analog transmission system was realized and verified.

关 键 词：电路设计 FPGA 模块设计 数模集成电路 功能测试 

分 类 号：TN402[电子电信—微电子学与固体电子学] TN79TN914.41