| 超宽量程fA级高精密微电流信号输出电路设计研究 |
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| 引用本文： | 韩钰,杨戴博,李昆,李丹,夏源,张虎,曾帅,曾少立. 超宽量程fA级高精密微电流信号输出电路设计研究[J]. 仪器仪表用户, 2021, 0(4): 71-74 |
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| 作者姓名： | 韩钰 杨戴博 李昆 李丹 夏源 张虎 曾帅 曾少立 |
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| 作者单位： | 中国核动力研究设计院核反应堆系统设计技术国家级重点实验室 |
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| 摘 要： | 为实现微电流信号测量相关设备的标定、研发、制造、调试和定期维护等,本文设计了一种超宽量程fA级高精密微电流信号输出电路,实现了100fA～1uA微电流信号的高精度稳定输出,与国外同类精密仪表对比(如Keithley),其输出信号相对误差≤±1.0％,达到了国外同等水平.该技术可广泛应用于各种领域微电流测量设备的标定.
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| 关 键 词： | 超宽量程 fA级微电流信号 微电流测量设备 |
Design of Ultra Wide Range fA Level High Precision Micro Current Signal Output Circuit |
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| Han Yu,Yang Daibo,Li Kun,Li Dan,Xia Yuan,Zhang Hu,Zeng Shuai,Zeng Shaoli. Design of Ultra Wide Range fA Level High Precision Micro Current Signal Output Circuit[J]. Electronic Instrumentation Customer, 2021, 0(4): 71-74 |
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| Authors: | Han Yu Yang Daibo Li Kun Li Dan Xia Yuan Zhang Hu Zeng Shuai Zeng Shaoli |
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| Affiliation: | (Science and Technology on Reactor System Design Technology Laboratory,Nuclear Power Institute of China,Chengdu,610213,China) |
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| Abstract: | In order to realize the calibration,development,manufacturing,debugging and regular maintenance of the relevant measuring equipment related to micro-current signal,this paper designed a ultra wide range and high precision signal output circuit for fA level micro current,which has realized the output of 100fA~1uA micro-current signal.Compared with the foreign similar precision instruments(such as Keithley),the relative error of the output signal is within±1.0%,which has reached the same level abroad.The above technology can be applied to the calibration of the measuring equipment related to micro-current signal in various fields. |
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| Keywords: | ultra wide range fA level micro current signal micro current measuring equipment |
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