| 基于CPLD和89S51的多功能信号测量仪 |
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| 引用本文： | 韩剑.基于CPLD和89S51的多功能信号测量仪[J].国外电子元器件,2008,16(7). |
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| 作者姓名： | 韩剑 |
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| 作者单位： | 桂林电子科技大学信息科技学院,广西桂林,541004 |
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| 摘 要： | 提出一种基于CPLD和89S51的多功能信号测量仪,该测量仪可测量频率,周期和脉宽等参数.介绍了高精度测频方法、可编程逻辑器件应用以及周期脉宽测量方法.以CPLD和单片机为核心,消除了直接测频方法对测量频率需采用分段测试的局限性,该多功能信号测量仪可在整个测试频段内保持高精度,测量频率范围达0.1Hz~100MHz以上.
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| 关 键 词： | CPLD7128 89S51 等精度频率测量 脉宽测量 |
Multifunctional signal measurement instrument based on CPLD and MCU |
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| HAN Jian.Multifunctional signal measurement instrument based on CPLD and MCU[J].International Electronic Elements,2008,16(7). |
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| Authors: | HAN Jian |
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| Affiliation: | HAN Jian(School of Information,Guilin University of Electronic Technology,Guilin 541004,China) |
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| Abstract: | The multifunctional measurement instrument based on CPLD and 89S51 is presented in this paper.This measurement instrument can measure frequency,period and pulse width.The frequency measurement method,CPLD application,and pulse width measurement method are introduced.As CPLD and SCM is the core,the direct method of measuring the frequency of measurement frequencies need furasub-test limitations is eliminated,the frequency will be maintained within the same precision in the test,so that the measurement freque... |
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| Keywords: | CPLD7128 89S51 accuracy frequency measurement pulse width measurement |
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