To enhance the quality of manufacturing as responsibility, build national brand of measurement!
To enhance the quality of manufacturing as responsibility, build national brand of measurement!
摘要：变频技术的发展迫切需要大功率变频标准源，本文给出了一种基于DDS芯片AD9953和Cortex-M3内核微处理器芯片STM32F107的大功率变频标准源全数字化控制系统的设计方案。重点介绍正弦波信号发生电路、DDS输出滤波器电路和微处理器及外围电路的设计，并根据变频标准源的设计指标给出了这些电路的各项关键设计参数。测试结果表明，该设计方案可以满足大功率变频标准源的要求。
关键词：变频技术，标准源，直接频率合成技术
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China's leading enterprise in variable frequency power measurement and metering
National variable frequency power measuring instrument (metering station) founder
Research and development unit of national variable frequency power metering standard