| 基于以太网的高精度测试系统设计 |
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| 引用本文： | 陈嫣然,张会新,郑燕露. 基于以太网的高精度测试系统设计[J]. 自动化与仪表, 2012, 27(2): 12-15 |
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| 作者姓名： | 陈嫣然 张会新 郑燕露 |
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| 作者单位： | 中北大学电子测试技术国家重点实验室,太原,030051 |
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| 摘 要： | 针对数字量变换器高精度的测试任务,以FPGA为核心,设计了高精度的数字量变换器测试系统。该系统通过以太网接口芯片W5300与计算机通信,能够输出单帧具有128个波道的高精度同步信号,产生20路频率和脉冲个数均可调的脉冲信号、指令信号以及接收PCM码数据。本系统结构简单、可靠性强、精度高,可以有效地完成对数字量变换器的各项功能测试。
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| 关 键 词： | 高精度 FPGA W5300 测试系统 |
Design of High-precision Test System Based on Ethernet |
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| CHEN Yan-ran , ZHANG Hui-xin , ZHENG Yan-lu. Design of High-precision Test System Based on Ethernet[J]. Automation and Instrumentation, 2012, 27(2): 12-15 |
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| Authors: | CHEN Yan-ran ZHANG Hui-xin ZHENG Yan-lu |
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| Affiliation: | (National Key Laboratory for Electronic Measurement Technology,North University of China,Taiyuan 030051,China) |
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| Abstract: | According to the high-precision test assignments of the digital converter,this paper using FPGA as the core,designs a high-precision test system of digital converter.The system which communicates with the computer through Ethernet interface chip W5300 was able to output a high precision signal frame of 128 channels and generates 20 pulse signals which frequency and number was adjustable,command signals and receive data by format of PCM code.This system has a simple structure,high reliability,high-precision and can effectively complete the various functions test of digital converter. |
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| Keywords: | high-precision FPGA W5300 test system |
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