| 一种自动电阻测试仪的设计 |
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| 引用本文： | 范海健,王峰,丁金林.一种自动电阻测试仪的设计[J].南通职业大学学报,2012,26(1):81-83. |
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| 作者姓名： | 范海健 王峰 丁金林 |
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| 作者单位： | 苏州市职业大学电子信息工程系,江苏苏州,215104 |
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| 基金项目： | 江苏省"青蓝工程"资助项目，苏州市职业大学校级课题 |
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| 摘 要： | 介绍了基于恒流源电路的自动电阻测试仪。通过由运放电路构成的线性宽量程电阻电路完成对不同电阻的测量,并由模拟开关完成对电阻量程的自动切换。设计采用自带A/D模块的AVR单片机ATmega16作为主控芯片,完成对模拟电阻值的采集与转换、电机辅助装置的控制以及相应的数显功能。
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| 关 键 词： | 恒流源 电阻测量 ATmega16 辅助电机 |
The Design of an Automatic Test Instrument for Resistance |
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| FAN Hai-jian
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WANG Feng
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DING Jin-lin.The Design of an Automatic Test Instrument for Resistance[J].Journal of Nantong Vocational College,2012,26(1):81-83. |
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| Authors: | FAN Hai-jian WANG Feng DING Jin-lin |
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| Institution: | (Department of Electronics and Information Engineering,Suzhou Vocational University,Suzhou 215104,China) |
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| Abstract: | This article describes the automatic resistance tester based on constant current source circuit.The wide range linear circuit is consisted of operational amplifier circuit,completing the detections of different resistances.The analog switch completes automatic switching of resistance range.The Design is controlled by AVR microcontroller ATmega16 with A/D module,which completes the collection of analog resistance and conversion,the helper motor’s control and corresponding digital display. |
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| Keywords: | constant-current source resistance measurement ATmega16 helper motor |
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