【摘要】 介绍了基于高性能的数字信号处理器DSPTMS320LF2407A的便携式三相多功能伏安相位仪的设计思路与方法.该仪器以DSPT-MS320LF2407A为核心处理器,采用多通道12位AD7859进行数据采集转换,可通过液晶显示测量结果,并可打印测量报告.重点介绍了该仪器的工作原理及软硬件设计.该仪器具有体积小、可靠性高、特别是对小信号的测量精度很高等特点.更多还原

【Abstract】 It is introduced that a design idea and method which is applied to portable three-phase multifunctional volt-ampere phase meter based on high-powered DSP TMS320LF2407A.This instrument takes DSPTMS320LF2407A as the core processor,uses multi-channel 12 AD7859 carries on data acquisition transforms,may display measurement result with LCD,and may print measurement report.In the article,it is introduced that work principle of instrument and the design of software and hardware.This instrument has many characteristics,for example,the volume is small,the reliability is high,specially precision is very high to the small signal measuring.更多还原