基于单片机的光电二极管阵列驱动电路设计  

Photodiode Array Driver Circuit Design Based on Microcontroller

作　　者：杨晓娅[1] 

机构地区：[1]郑州大学信息工程学院,郑州450001

出　　处：《单片机与嵌入式系统应用》2014年第3期53-56,共4页Microcontrollers & Embedded Systems

摘　　要：介绍了一种基于单片机的光电二极管阵列驱动电路。在单片的单片机上完成光电二极管阵列时序信号产生、A/D转换及数据传输整个过程,能够检测nA级微弱信号,与常用的可编程逻辑器件相比具有成本低、功耗低、电路结构简单的特点。This paper describes a microcontroller-based photodiode array drive circuit of MCU. In a single microcontroller, it accompli- shes generating a photodiode array＇s timing signal, A/D conversion and data transmission throughout the process, which could detect weak signals in nA level. Compared with the commonly programmable logic devices, it is low-cost, low power consumption and the circuit structure is simple.

关 键 词：单片机 光电二极管阵列 微弱信号 

分 类 号：TN31[电子电信—物理电子学]