| 基于AT89C52单片机的超低频信号发生器设计 |
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| 引用本文： | 杨晶晶,刘岩.基于AT89C52单片机的超低频信号发生器设计[J].现代电子技术,2011,34(4):29-31. |
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| 作者姓名： | 杨晶晶 刘岩 |
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| 作者单位： | 第二炮兵工程学院,陕西,西安,710025 |
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| 摘 要： | 设计以单片机AT89C52为核心的超低频信号发生器,详细介绍该信号发生器的工作原理、硬件电路、软件流程及技术关键。实际应用表明,该信号发生器可以产生频率、峰谷值可调的、连续的方波、三角波和正弦波,输出信号的频率范围为0.125 mHz（毫赫兹）80 Hz,幅值为-10＋10 V。与传统信号发生器相比,具有输出波形稳定和低频精度高的特点,对于超低频信号发生器的设计具有重要的参考价值。
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| 关 键 词： | 信号发生器 单片机 超低频信号 正弦波 三角波 方波 |
Design of Ultra-low Frequency Signal Generator Based on MCU AT89C52 |
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| YANG Jing-jing,LIU Yan.Design of Ultra-low Frequency Signal Generator Based on MCU AT89C52[J].Modern Electronic Technique,2011,34(4):29-31. |
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| Authors: | YANG Jing-jing LIU Yan |
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| Affiliation: | YANG Jing-jing,LIU Yan(The Second Artillery Engineering College,Xi'an 710025,China) |
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| Abstract: | An ultra-low frequency signal generator based on MCU AT89C52 is designed.The working principle,hardware circuits,software design and key technology of the signal generator are described in detail.The experimental results show that this signal generator can create square wave,triangular wave and sine wave whose frequency and peak-to-valley values are adjustable.The frequency of output signal covers a bandwidth from 0.125 mHz to 80 Hz,and the amplitude of output signal ranges from-10 V to +10 V.Compared with ... |
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| Keywords: | signal generator single-chip microcomputer ultra-low frequency signal sine-wave triangle-wave square-wave |
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