| 基于AD9851的受控正弦信号发生器设计 |
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| 引用本文： | 毛群.基于AD9851的受控正弦信号发生器设计[J].现代电子技术,2012,35(1):187-188. |
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| 作者姓名： | 毛群 |
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| 作者单位： | 阿坝师范高等专科学校电子信息工程系,成都四川,611741 |
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| 基金项目： | 阿坝师专规划项目（ASB10-15） |
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| 摘 要： | 以TI公司超低功耗单片机（MSP430F420）,电流变送器（XTR105PA）,电流接收器（RCV420KP）及DDS芯片AD9851为主要器件,设计二线式电流型电阻变送器控制的正弦信号发生器,变送器可变电阻阻值范围为1 000～2 000Ω,对应输出频率为1 000～2 000kHz的正弦信号,可用示波器显示,阻值由LED显示。
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| 关 键 词： | AD9851 电流变送器XTR105 电流接收器RCV420 MSP430 受控正弦信号发生器 |
Design of controlled Sine signal generator based on AD9851 |
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| MAO Qun.Design of controlled Sine signal generator based on AD9851[J].Modern Electronic Technique,2012,35(1):187-188. |
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| Authors: | MAO Qun |
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| Institution: | MAO Qun(Electronics and Information Department,Aba Teachers College,Chengdu 611741,China) |
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| Abstract: | Taking TI′s ultra-low power microcontroller（MSP430F420）,current transducer（XTR105PA）,current receivers（RCV420KP） and AD9851 DDS chip as main devices,a sine signal generator controlled by two-wire current-resistance transmitter was designed.The range of resistance varies from 1 000~2 000 Ω,the corresponded sine signal whose output frequency is 1 000~2 000 kHz,the sine signal can be shown through a oscilloscope and the resistance rate can be displayed through a LED. |
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| Keywords: | AD9851 current transmitter TXR105 current receiver RCV420 MSP430 controlled sine signal generator |
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