摘要
介绍了一种由 AT89C51单片机控制的八通道数据采集电路的设计 ,解决了数据采集分时选通、自动触发、程控放大及程控滤波等数据采集中的常见问题 。
The design of circuit for eight-channel data acquisition is introduced in this paper.It resolves some common questions in data acquisition such as time division choosing channel,automatic triggering,programmable gain amplifying,programmable filtering etc.So it offers a kind of actual and feasible circuit for test of various instantaneous signals.
出处
《湖南大学学报（自然科学版）》
EI
CAS
CSCD
2000年第6期80-84,共5页
Journal of Hunan University:Natural Sciences
关键词
单片机
程控放大
程控滤波
触发
数据采集电路
single-chip computer
data acquisition
programmable gain amplifying
programmable filtering
triggering
