| 基于DDS芯片AD9835的多功能调制模块设计 |
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| 引用本文： | 任少华,王勇. 基于DDS芯片AD9835的多功能调制模块设计[J]. 微计算机信息, 2005, 0(16) |
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| 作者姓名： | 任少华 王勇 |
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| 作者单位： | 四川大学电子信息学院 610065成都硕士研究生(任少华)，四川大学电子信息学院 610065成都(王勇) |
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| 基金项目： | 四川大学青年科学基金(2003-03) |
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| 摘 要： | 随着信号源技术的发展,在普遍使用锁相环技术实现稳定信号源的同时,直接频率合成技术(DDS)也日渐广泛运用。本文介绍基于直接频率合成器AD9835的多功能调制模块的设计,通过单片机对AD9835的简单控制,实现数字信号的频率、相位调制以及数字和模拟信号的幅度调制。
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| 关 键 词： | DDS 频率调制 相位调制 幅度调制 |
The Design of Multifunctional Modulating Module Based on The DDS Chip AD9835 |
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| Ren,Shaohua Wang,Yong. The Design of Multifunctional Modulating Module Based on The DDS Chip AD9835[J]. Control & Automation, 2005, 0(16) |
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| Authors: | Ren Shaohua Wang Yong |
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| Affiliation: | (School of Electronics and Information Science,Sichuan University,Chengdu 610065)Ren,Shaohua Wang,Yong |
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| Abstract: | The technology of Direct Digital Frequency Synthesis has been gradually applied into the field of achieving stable sig- nal generator as well as the prevalent use of phase- locked loop, following the development of techno- signal generator.This paper will introduce the design of multifunctional modulating module based on the DDS chip AD9835.It will achieve the frequency modulation and phase modulation of digital signals and the am- plitude modulation of both digital and analog signals by the sim- ple control of the singlechip. |
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| Keywords: | DDS FM PM AM |
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