| 单片机控制的函数发生器设计与实现 |
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| 引用本文： | 冯建雨.单片机控制的函数发生器设计与实现[J].机床电器,2005,32(5):45-46,49. |
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| 作者姓名： | 冯建雨 |
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| 作者单位： | 东南大学,210096 |
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| 摘 要： | 直接数字频率合成（DDS）是近年来发展非常迅速的一种新的频率合成技术.本文首先简要介绍了DDS的工作原理、AD9850芯片的基本原理及性能特点,然后主要阐述了如何利用AD9850芯片设计一个高精度的信号发生器.
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| 关 键 词： | 直接数字频率合成 AD9850 低通滤波器 正弦波信号 |
| 文章编号： | 1004-0420（2005）05-0045-02 |
| 收稿时间： | 2005-05-30 |
| 修稿时间： | 2005-05-30 |
Design and implementation of function generator controlled by SCM |
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| FENG Jian-yu.Design and implementation of function generator controlled by SCM[J].Machine Tool Electric Apparatus,2005,32(5):45-46,49. |
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| Authors: | FENG Jian-yu |
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| Affiliation: | 东南大学,210096 |
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| Abstract: | Direct digital frequency synthesizer(DDS) is a recently and rapidly developed technology which features high frequency resolution,this paper briefly introduces the basic principle of DDS,the basic principle and performance of AD9850 chip,then it mainly describes how to use AD9850 chip to design a function generator of high accuracy. |
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| Keywords: | direct digital frequency synthesizer AD9850 low pass filter sine calibrate signal |
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