基于STC89C52单片机的信号分离装置设计  

Design of Signal Separation Device Based on STC89C52 Microcontroller

作　　者：王兆瑞 WANG Zhaorui(Qufu Normal University,Shandong 273165,China)

机构地区：[1]曲阜师范大学,山东273165

出　　处：《电子技术（上海）》2024年第4期25-27,共3页Electronic Technology

摘　　要：阐述信号分离装置的设计,以stc89c52单片机为核心,由加法器模块、MAX262程控滤波器模块等构成。以LM358P为核心的加法器增益为1,可实现C=A+B。利用MAX262程控滤波器实现滤波功能,信号A和B均为正弦波,频率分别10kHz的整数倍数时,装置可正确分离出信号A’和B’,峰峰值不小于1V。经过检测可以确定该装置显示波形不失真且稳定。This paper describes the design of a signal separation device,which is based on stc89c52 single chip microcomputer,composed of adder module,MAX262 program control filter module.A set of signal separation device is designed.The gain of the adder with LM358P as the core is 1,which can realize C=A+B;Using MAX262 program control filter to achieve the filtering function,signal A and B are sine waves,the frequency of 10kHz integer multiple,the device can correctly separate signals A 'and B',and the peak value is not less than 1V.After testing,it can be confirmed that the display waveform of the device is undistorted and stable.

关 键 词：STC89C52单片机 LM358P MAX262程控滤波器 信号分离 

分 类 号：TP368.1[自动化与计算机技术—计算机系统结构] TN929.5[自动化与计算机技术—计算机科学与技术] TP391.44[电子电信—通信与信息系统]