Performance Analysis of a Multi-Channel Data Acquisition System

Performance Analysis of a Multi-Channel Data Acquisition System
Authors : Anu Bhaskar, Ragimol
Publication Date: 06-08-2015


Author(s):  Anu Bhaskar, Ragimol

Published in:   International Journal of Engineering Research & Technology

License:  This work is licensed under a Creative Commons Attribution 4.0 International License.

Website: www.ijert.org

Volume/Issue:   Volume. 4 - Issue. 08 , August - 2015

e-ISSN:   2278-0181

 DOI:  http://dx.doi.org/10.17577/IJERTV4IS080113


Data acquisition is the process of capturing the measurements and retrieving the information about any real world physical phenomenon. The data acquired by the data acquisition systems are converted into digital values by an analog to digital converter (ADC) and then processed using a digital signal processor or stored for further usage. A multi-channel data acquisition system is introduced here which can be used for acquiring various band limited physical measurements like pressure, temperature, strain, acceleration, acoustics and vibration. It is based on the mixed signal technology which combines the configurable analog cores together with customizable digital cores. The mixed signal platform here is having an ARM Cortex M3 processor, an FPGA fabric and a programmable analog part and can be tuned for various applications as required. The analog unit present here is having programmable features like ADC resolution, clock frequency, filtering unit and acquisition time which will help in improving the performance of the data acquisition system as per the requirement of the application at hand. This paper involves the modeling of a multichannel data acquisition system and its detailed performance analysis.


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