| 高精度程控恒流源系统设计 |
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| 引用本文： | 黄丽.高精度程控恒流源系统设计[J].科技信息,2013(11):278-278,316. |
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| 作者姓名： | 黄丽 |
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| 作者单位： | 武汉铁路职业技术学院,湖北武汉430023 |
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| 摘 要： | 本文采用MOSFET和精密运算放大器构成的恒流源,以89C55单片机为算法控制器,以12位D/A、A/D转换器以及精密采样电阻实现高精度程控恒流源功能。
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| 关 键 词： | 直流电流源 单片机 数字控制 闭环系统 |
High-precision Programmable Constant Current Source System Design |
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| HUANG LI.High-precision Programmable Constant Current Source System Design[J].Science,2013(11):278-278,316. |
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| Authors: | HUANG LI |
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| Institution: | HUANG LI (Wuhan Railway Vocational and Technical College,Wuhan Hubei,430023,China) |
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| Abstract: | A constant current source which is composed of MOSFET and precise operational amplifiers, used 89C55 microcontroller as algorithm controller. 12-bit D/A.MD converter and precise sampling resistors to achieve the function of high-precision programmable constant current source. |
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| Keywords: | DC current source Micmcontroller Digital control Closed-loop system |
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