| 提高LED型激发光源驱动电路性能的措施 |
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| 引用本文： | 刘振方,胡亚平,张文超.提高LED型激发光源驱动电路性能的措施[J].医疗卫生装备,2007,28(4):70-72. |
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| 作者姓名： | 刘振方 胡亚平 张文超 |
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| 作者单位： | 1. 辽宁石油化工大学信息与控制工程学院,辽宁省抚顺市,113001
2. 上海大学高等技术学院,上海市,200436 |
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| 摘 要： | 论述了用于检测仪器激发光源的LED恒流和恒功率驱动电路的原理和特点，分析了它们的稳态特性和动态特性．提出了改进LED激发光源驱动电路精确性和稳定性的措施。
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| 关 键 词： | LED驱动 恒流驱动 恒功率驱动 |
| 文章编号： | 1003-8868（2007）04-0070-03 |
| 收稿时间： | 2006-11-08 |
| 修稿时间： | 2007-03-30 |
Techniques of performances improvement of LED light source for instruments |
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| LIU Zhen-fang,HU Ya-ping,ZHANG Wen-chao.Techniques of performances improvement of LED light source for instruments[J].Chinese Medical Equipment Journal,2007,28(4):70-72. |
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| Authors: | LIU Zhen-fang HU Ya-ping ZHANG Wen-chao |
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| Abstract: | This paper introduces the principle and characteristics of the LED constant-current and constant-power drive circuit for instrument's excitation light source.It also analyzes the steady-state and dynamic performances of the drive circuits.At last,it discusses the improving measures of the precision and stability for the drive circuit of LED excitation light source. |
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| Keywords: | LED drive constant-current drive constant-power drive |
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