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Multi-Channel A/D Board Control and Communication Module Design Based on FPGA

Author: TangYong
Tutor: ZhangQingXiang
School: Harbin Institute of Technology
Course: Information and Communication Engineering
Keywords: Data acquisition FPGA Analog-to-Digital Converter Multi-channel
CLC: TP274.2
Type: Master's thesis
Year: 2011
Downloads: 152
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Abstract


With the rapid progress of the society and the rapid development of modern science and technology , data acquisition and its processing technology application in various fields of human life is more and more , and is becoming more and more important in modern industrial production and scientific research . Due to the needs of the development of electronic technology and scientific research , the single-channel AD data acquisition can no longer meet the requirements of the people , for the radar signal , the transient measurements and related signal measurements , multi-channel data acquisition and processing in order to have a better performance . Programmable device FPGA, and for the rapid development of the field relative to the performance advantages of using DSP . This article is based FPGA design of a data acquisition card , 32-channel analog-to-digital converter signal acquisition and analysis . First, a simple introduction to the basic theory of data acquisition and the status quo , and describes the main contents of this article and chapter structure . Then , the detailed design of FPGA-based multi-channel data acquisition card hardware circuit . Specific examples include the analog - to - digital converter circuit module , FPGA and its peripheral circuit module , the fiber optic interface circuit module and the power supply circuit module . Data acquisition part to ADC AD7723 control , including the choice of internal and external clock , inside and outside the trigger . Each circuit module are given a specific circuit design schematics and PCB diagram of the hardware circuit is given . Second, the output data format of the analog-to-digital converter and FPGA internal FIFO application a detailed introduction and FPGA design flows do a brief understanding . FPGA software development platform based on the communication module design and development, and gives a functional simulation and timing simulation results . Finally, a summary of the completed work to do , and further areas for improvement .

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CLC: > Industrial Technology > Automation technology,computer technology > Automation technology and equipment > Automation systems > Data processing, data processing system > Data collection and processing systems
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