电子设计工程
電子設計工程
전자설계공정
ELECTRONIC DESIGN ENGINEERING
2012年
11期
112-114
,共3页
STC12CSA60S2%信号采集%信号调理%A/D转换
STC12CSA60S2%信號採集%信號調理%A/D轉換
STC12CSA60S2%신호채집%신호조리%A/D전환
STC 12C5A60S2%acquisition of signal%signal condition%A/D conversion
在测控领域中,经常遇到监测对象输出信号较小,难以直接采集,一般都需要将其放大后再做处理。介绍了一种小信号采集系统的实现方法,利用具有A/D转换功能的单片机STC25A60S2和具有精确放大功能的易用放大器AD620实现了最小系统,并论述了系统设计与实现,详细介绍了采集小信号的过程,并给出了实际应用的例子,以及小信号采集在相关领域的应用。
在測控領域中,經常遇到鑑測對象輸齣信號較小,難以直接採集,一般都需要將其放大後再做處理。介紹瞭一種小信號採集繫統的實現方法,利用具有A/D轉換功能的單片機STC25A60S2和具有精確放大功能的易用放大器AD620實現瞭最小繫統,併論述瞭繫統設計與實現,詳細介紹瞭採集小信號的過程,併給齣瞭實際應用的例子,以及小信號採集在相關領域的應用。
재측공영역중,경상우도감측대상수출신호교소,난이직접채집,일반도수요장기방대후재주처리。개소료일충소신호채집계통적실현방법,이용구유A/D전환공능적단편궤STC25A60S2화구유정학방대공능적역용방대기AD620실현료최소계통,병논술료계통설계여실현,상세개소료채집소신호적과정,병급출료실제응용적례자,이급소신호채집재상관영역적응용。
Frequently encountered in the measurement and control field monitoring object output signal is small, it is difficult to direct acquisition, generally need to enlarge it and then deal with. The article describes a signal acquisition system, using the A / D conversion function the microcontroller STC25A60S2 and ease of use with accurate zoom function amplifier AD620 to achieve a minimum system, and discusses the system design and implementation, and details of the acquisitionsmall-signal process, and gives examples of practical applications, as well as small-signal acquisition in the relevant field.