摘要
主要阐述了全自动生化分析仪光电信号放大器的设计,说明了光电二极管、运算放大器和其他元件的参数选择以抑制噪声,提高了检测精度。通过仿真验证,这种设计很好地解决了微弱信号难以检测的问题。
This paper describes the design of photoelectric signal amplifier for automatic chemistry analyzer. And this paper gives the details of how to choose photoelectric diode, the amplifier and other components to inhibit the noise and improve the detecting precision. This design commendably solves the problem that it is difficult to detect weak signal by simulation.
出处
《机电一体化》
2010年第12期47-49,53,共4页
Mechatronics
关键词
全自动生化分析仪
光电检测
硅光电二极管
前置放大器
automatic chemistry analyzer photoelectric detection silicon photoelectric diode pre-amplifier
