基于ATmega 128的高速高精度光功率计的设计  

The Design of High Speed and High Precision Digital Optical Power Meter Based on ATmega 128

作　　者：钟昌锦[1] 白利文[1] 余志强[1] 李秋平[1] 

机构地区：[1]中国电子科技集团公司第三十四研究所,广西桂林541004

出　　处：《广西通信技术》2012年第1期30-32,46,共4页Guangxi Communication Technology

摘　　要：介绍了一套最新研制的高速高精度光功率计的设计方案。该光功率计采用高性能单片机ATmega l28对系统进行控制,以目前业界速度最快16位低功耗、高性能的AD9467为模/数转换器对不同量程的信号进行采集,提高了数据的精度性。通过USB2.0的高速通信能力,充分发挥了ATmega 128的高速采集处理能力。A new method of designing high speed and high precision digital optical power meter is introduced.The power meter is controlled by Atmega 128,and used AD9467 as D/A converter for collecting different ranges data,which is the fastest 16 bit D/A converter with low power consumption and high performance at present,so the precision is improved.With the high speed data communication of USB2.0,the high speed data acquisition characteristics of ATmega 128 is fully played.

关 键 词：ATMEGA 128 高速 高精度 AD9467 USB2.0 

分 类 号：TM933.3[电气工程—电力电子与电力传动]