| 基于DSP和CPLD的虚拟数字示波器的设计 |
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| 引用本文： | 詹振球.基于DSP和CPLD的虚拟数字示波器的设计[J].山西电子技术,2007(3):37-39. |
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| 作者姓名： | 詹振球 |
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| 作者单位： | 南京工业大学信息科学与工程学院 江苏南京210009 |
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| 摘 要： | 虚拟数字示波器是由计算机、数据采集卡及相应的控制软件组成的,它可以根据需要只要改变软件就可以改变仪器的功能,具有高速、实时、多功能、便携等显著特点。本文介绍了一种以DSP与CPLD为核心的虚拟数字示波器的设计,它由信号调理与A/D变换电路、逻辑控制电路、数据处理电路组成,通过USB2.0总线与主机相连接。该系统可实现的最高采样率为100MHz,并且该系统可通过添加软件来增加数字信号处理功能。
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| 关 键 词： | DSP CPLD 虚拟数字示波器 USB LabWindows/CVI |
| 修稿时间： | 2007-01-28 |
Design of the Virtual Digital Oscillograph Based on DSP and CPLD |
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| Zhan Zhen-qiu.Design of the Virtual Digital Oscillograph Based on DSP and CPLD[J].Shanxi Electronic Technology,2007(3):37-39. |
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| Authors: | Zhan Zhen-qiu |
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| Affiliation: | College of Information Science and Engineering, Nanjing Univerdty of Technology, Nanjing Jiangsu 210009, ChiTuz |
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| Abstract: | The virtual data oscillograph is composed of computer,data acquisition card and the relevant control software.The function of oscillograph can be changed easily only by changing the control software.High speed,real-time,multi-function and portability are its characteristics.In this paper,a design of virtual data oscillograph system based on DSP and CPLD is introduced.The instrument consists of signal condition and A/D converter circuit,logical control circuit and data processing circuit.It is connected with PC through USB2.0 bus.And this system can realize the highest sampling rate of 100Mhz.Also it has the talent ability to add the ability of digital signal proceeding. |
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| Keywords: | DSP CPLD virtual digital oscillograph USB Lab Windows/CVI |
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