摘要
本文设计了一种新型的三相预付费电度表,它采用SA9904A作为计量芯片。文中详细地介绍了该芯片的结构和工作原理。最后给出了它应用在电度表中的结构框图以及测试数据。
This paper presents a new three-phase electronic meter designed for pre-payment. An energy metering ICof SA9904A is adopted to calculate energy. In this paper, the hardware architecture and work principle of the IC aredescribed in detail. The architecture diagram and test data of electricity meter are presented in the end.
出处
《仪器仪表标准化与计量》
2003年第6期40-42,共3页
Instrument Standardization & Metrology
