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。
The principle and characteristics of the LED constant-current and constant-power drive circuit for instrument’sexcitation light source are introduced.Steady-state and dynamic performances of the drive circuits are analyzed.The improvingmeasures of the precision and stability for the drive circuit of LED excitation light source are discussed.
出处
《生命科学仪器》
2006年第6期29-32,共4页
Life Science Instruments
关键词
LED驱动
恒流驱动
恒功率驱动
LED drive,Constant-current drive,Constant-power drive
