| 基AT89C51多路信号检测和语音报警器的设计 |
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| 引用本文： | 卢超.基AT89C51多路信号检测和语音报警器的设计[J].佳木斯大学学报,2009,27(2). |
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| 作者姓名： | 卢超 |
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| 作者单位： | 陕西理工学院,陕西,汉中,723001
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| 基金项目： | 陕西理工学院省教育厅专项科研项目 |
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| 摘 要： | 以AT89C51为核心,采用单片语音录放芯片ISD1420和A/D转换器ADC0809,设计了多路信号检测和语音报警器,包括信号放大、处理电路,A/D转换电路,语音报警模块、显示模块、键盘输入模块等.
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| 关 键 词： | 单片机 语音报警 |
The Design of Multi-channels Signal Detection and Voice Alarm System Based on AT89C51 |
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| LU Chao.The Design of Multi-channels Signal Detection and Voice Alarm System Based on AT89C51[J].Journal of Jiamusi University(Natural Science Edition),2009,27(2). |
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| Authors: | LU Chao |
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| Institution: | Department of Physics;Shanxi University of Technology;Hanzhong 723000;China |
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| Abstract: | This paper is about a Multi-channel signal detection and voice alarm system controller which takes AT89C51 as the core,designed with ISD1420 voice chip and ADC0809.The system consists of operational amplifiers circuit,signal process circuit,A/D transformation circuit,voice warning circuit,numerical display part and keyboard input part. |
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| Keywords: | ISD1420 ADC0809 |
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