To measure the working band of a digital attenuator automatically,a program based on virtual instrument was carried out,using Agilent E8362B network analyzer as its measuring tool.In the program,the attenuation values...To measure the working band of a digital attenuator automatically,a program based on virtual instrument was carried out,using Agilent E8362B network analyzer as its measuring tool.In the program,the attenuation values can be automatically written into Excel table to form the frequency-attenuation curve.Finally,through analyzing the attenuation in different frequency,the best working band of the digital attenuator can be determined easily,and the whole process is automated.Compared with the traditional way of changing the measured parameters manually and recording the measured data one by one,the developed method in the paper can avoid the cumbersome manual operation and its possible errors to improve the measurement accuracy and efficiency.展开更多
以V isua l C++6.0作为开发平台,基于GP IB总线结构,在W IN 2000系统下设计开发了GP IB仪器控制系统。给出了系统的硬件组成及软件设计方法,实现了HP 35670A和笔记本电脑通过GP IB接口板两者之间的通讯。为数据的进一步分析处理提供了...以V isua l C++6.0作为开发平台,基于GP IB总线结构,在W IN 2000系统下设计开发了GP IB仪器控制系统。给出了系统的硬件组成及软件设计方法,实现了HP 35670A和笔记本电脑通过GP IB接口板两者之间的通讯。为数据的进一步分析处理提供了一个良好的软件平台。展开更多
基金Fujian Province Key Technology Projects Fund(No.2006H0092)
文摘To measure the working band of a digital attenuator automatically,a program based on virtual instrument was carried out,using Agilent E8362B network analyzer as its measuring tool.In the program,the attenuation values can be automatically written into Excel table to form the frequency-attenuation curve.Finally,through analyzing the attenuation in different frequency,the best working band of the digital attenuator can be determined easily,and the whole process is automated.Compared with the traditional way of changing the measured parameters manually and recording the measured data one by one,the developed method in the paper can avoid the cumbersome manual operation and its possible errors to improve the measurement accuracy and efficiency.