摘要
介绍一种高集成化的DDS专业芯片AD9833,并利用该芯片设计了高精度电感测微仪的正弦渡激励信号发生电路,同时对该电路在实际应用中的结果进行了简单的分析。通过实验表明,该电路能够产生高稳定度和高精度的激励信号,可以满足电感测微仪的测量精度要求。
A special DDS chip AD9833 is used to design a sinusoidal wave excitation signal generating circuit for high-accurate inductance sensor. In the paper the hardware circuit and the key software program are introduced. Also the result of the application with this circuit is given and analyzed. The experiment proves that this circuit can produce a high-stability and high-accuracy excitation signal which meets the precision of inductance sensor.
出处
《仪表技术》
2007年第11期22-24,共3页
Instrumentation Technology
基金
浙江省重大科技攻关项目(2005C11012)
