基于ATmega16的数字光功率计设计  

Design of Digit Light Power Meter Base on ATmega16

作　　者：黎芳芳[1] 

机构地区：[1]南昌航空大学测试与光电工程学院,江西南昌330603

出　　处：《现代电子技术》2011年第4期17-18,22,共3页Modern Electronics Technique

摘　　要：介绍了基于ATmega16的数字光功率计系统设计方案。利用智能单片机ATmega16对系统进行控制,通过AD7705和CD4051相结合的方式对不同量程的信号进行采集,提高了系统精度和测量范围。显示部分采用1602液晶实现光功率显示功能。该光功率计的制作成本低,集成度高,降低了系统复杂度,实现了高精度的光功率测量,作为教学辅助测量仪器,效果良好。A scheme for system design of the digit light power meter base on ATmega16 is proposed.The intelligent MCU ATmega16 is used to control the system.The signal acquisition at different ranges is performed in the combination of AD7705 and CD4051.The system accuracy and measuring range are improved with the design.The 1602 LCD is adopted to realize the display function of light power.The light power meter has the advantages of low cost,high-intergration,low complexity and high accuracy.A good result was achieved in the teaching auxiliary measurement.

关 键 词：ATMEGA16 光功率计 硅光电池 AD7705 自动量程转换 

分 类 号：TN919-34[电子电信—通信与信息系统] TP216.1[电子电信—信息与通信工程]