| 基于DAC0832和AT89S52的信号发生器设计 |
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| 引用本文： | 李庭贵.基于DAC0832和AT89S52的信号发生器设计[J].电子科技,2012,25(6):104-106,114. |
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| 作者姓名： | 李庭贵 |
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| 作者单位： | (1.泸州职业技术学院 机械系,四川 泸州 646005;2.四川省泸州市工程机械智能优化设计重点实验室,四川 泸州 646005) |
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| 摘 要： | 该信号发生器以单片机AT89C52和D/A转换器DAC0832芯片为核心进行设计。通过AT89S52控制DAC0832产生所需电流,然后使用运算放大器LF393将其电流输出线性地转换成0~5 V电压输出。通过程序控制,可以产生一系列有规律的波形。该系统具有精度高、抗干扰性强、性能稳定、升级方便等特点,具有较高的应用价值。
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| 关 键 词： | AT89S52 DAC0832 信号发生器 D/A转换 |
Design of a Signal Generator Based on DAC0832 and AT89S52 |
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| LI Tinggui.Design of a Signal Generator Based on DAC0832 and AT89S52[J].Electronic Science and Technology,2012,25(6):104-106,114. |
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| Authors: | LI Tinggui |
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| Affiliation: | (1.Department of Mechanical Engineering,Luzhou Vocational and Technical College,Luzhou 646005,China;
2.Luzhou Engineering Machinery Intelligent Optimal Design Laboratory of Sichuan Province,Luzhou Vocational and Technical College,Luzhou 646005,China) |
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| Abstract: | The signal generator has the microcontroller AT89S52 and D/A converter DAC0832 as the hardcore.Controlled by the AT89S52,DAC0832 produces the required current.Then the operational amplifier LF393 linearly converts the current to a 0~5 V voltage.Through the control of the program,the system can produce a series of regular waves.The system has the advantages of high precision,strong anti-interference,stable performance,easy upgrade and high practical value. |
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| Keywords: | AT89S52 DAC0832 signal generator D/A conversion |
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