| 高精度测微仪激励信号发生电路的设计与实现 |
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| 引用本文： | 欧浩源,陈晓竹. 高精度测微仪激励信号发生电路的设计与实现[J]. 仪表技术, 2007, 0(11): 22-24 |
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| 作者姓名： | 欧浩源 陈晓竹 |
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| 作者单位： | 中国计量学院,信息工程学院,浙江,杭州,310018 |
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| 摘 要： | 介绍一种高集成化的DDS专业芯片AD9833，并利用该芯片设计了高精度电感测微仪的正弦波激励信号发生电路，同时对该电路在实际应用中的结果进行了简单的分析。通过实验表明，该电路能够产生高稳定度和高精度的激励信号，可以满足电感测微仪的测量精度要求。
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| 关 键 词： | 电感测微仪 激励信号发生电路 |
| 文章编号： | 1006-2394（2007）11-0022-03 |
| 修稿时间： | 2007-05-01 |
Design and Implementation of Excitation Signal Generator for High-accurate Inductance Sensor |
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| OU Hao-yuan,CHEN Xiao-zhu. Design and Implementation of Excitation Signal Generator for High-accurate Inductance Sensor[J]. Instrumentation Technology, 2007, 0(11): 22-24 |
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| Authors: | OU Hao-yuan CHEN Xiao-zhu |
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| Affiliation: | College of Information Engineering, China Jiliang University, Hangzhou 310018, China |
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| Abstract: | A special DDS chip AD9833 is used to design a sinusoidal wave excitation signal generating circuit for high-accurate inductance sensor. In the paper the hardware circuit and the key software program are introduced. Also the result of the application with this circuit is given and analyzed. The experiment proves that this circuit can produce a high-stability and high-accuracy excitation signal which meets the precision of inductance sensor. |
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| Keywords: | AD9833 |
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