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《Control and Instruments in Chemical Industry》 2011-04
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Design of Multi-channel Analog Acquisition System

YAN Rui-jie1,LI Hai-xiang1,HAO Rui-xia2(1.Shanxi Vocational College of Power Technology,Taiyuan 030021,China; 2.Taiyuan University of Technology,Taiyuan 030024,China)  
A 32-channel analog acquisition system,which has microcontroller ATmega 16 cored and the AD7705 been a front-end acquisition chip,and the CPLD EPM3064 been a logic switch array,was designed,including the presence of hardware circuit,the driver procedures and application software,and some problems the AD7705 encountered in practice.The testing results show that the system can complete multi-point and multi-parameter measurements after combining with other measuring devices.
【Fund】: 国家自然科学基金资助项目(50679050)
【CateGory Index】: TP274.2
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