Direct current , peak to peak amplitude of the measured quantity is implemented . the whole system has the integrated functions of data process , communicate , display , etc . during designing the hardware , in order to improve the whole system ’ s interference immunity , the advantages of small outline ( so ) chip is fully considered by proper redistribution , the analog parts and digital parts are separated by optoelectronic isolator to reduce the interaction 本课题根据黑龙江省计量研究院的要求,依据最新测量理论设计了直流测量模块,其性能已经达到了万分之一的精度,实现了一个集直流电压、直流电流及峰峰值测量于一体,具有数据处理、通讯、显示等功能的单片机测试系统。
