The Design of a Multi-Channel Data Acquisition Module Based on FPGA

Xiang Jiao Meng; Hui Xin Zhang; Xiang Hong Li

doi:10.4028/www.scientific.net/AMR.433-440.6589

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The Design of a Multi-Channel Data Acquisition Module Based on FPGA
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HomeAdvanced Materials ResearchAdvanced Materials Research Vols. 433-440The Design of a Multi-Channel Data Acquisition...

The Design of a Multi-Channel Data Acquisition Module Based on FPGA

Abstract:

This paper reports the basic principle and implementation process of FPGA-based multi-channel analog signal acquisition module. The emphasis of the full text is the principle of Data acquisition and the system implementation process. Multi-channel data acquisition module is composed of signal conditioning circuit、multi-channel analog multiplexers、A/D conversion and the central control system. The design uses LM324 for input signal conditioning; uses AD's 16 analog input signal chip ADG706 for channel selection; uses AD's 12-bit precision A/D converter AD7492 as the core chip of acquisition module for completing the A/D conversion; uses Xilinx's programmable logic device XC2S100 as part of the core control to achieve control of each module. Under the control of the design software, this design can take advantage of FPGA control multi-channel analog switch、A/D conversion、data compilation and uploading the data to PC to store and analyze.

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Periodical:

Advanced Materials Research (Volumes 433-440)

Pages:

6589-6593

DOI:

https://doi.org/10.4028/www.scientific.net/AMR.433-440.6589

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Online since:

January 2012

Authors:

Xiang Jiao Meng, Hui Xin Zhang, Xiang Hong Li

Keywords:

A/D, Data Acquisition (DAQ), Field-Programmable Gate Array (FPGA)

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