基于LM3914的随机信号计数系统  

Random Signal Counting System Based on LM3914

作　　者：潘晓兵 PAN Xiao-bing(Yancheng Teachers University,Yancheng 224002,China)

机构地区：[1]盐城师范学院校长办公室,江苏盐城224002

出　　处：《电脑知识与技术》2020年第32期230-231,共2页Computer Knowledge and Technology

摘　　要：随机信号计数系统以幅度甄别芯片、定时/计数器和单片机为核心,外加程序存储器、数据存储器、译码器、显示器和键盘等组成,计数系统设有9个计数通道,可对9个不同幅度等级的随机信号进行幅度甄别和幅度分离,每个计数通道计数1个幅度等级的信号,计数系统的通道数较多,通用性较强。The core of random signal counting system is amplitude discriminator chip,timer/counter and single chip microcomputer,It consists of program memory,data memory,decoder,display and keyboard,the counting system has 9 counting channels,It can distinguish and separate the amplitude of 9 random signals with different amplitude levels,each counting channel counts 1 amplitude level signal,there are many channels in the counting system,so it has strong versatility.

关 键 词：随机信号 LM3914 幅度甄别 计数系统 单片机 

分 类 号：TP319[自动化与计算机技术—计算机软件与理论]