| 多介质气体微小流量标准装置设计探讨CSCD |
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| 引用本文： | 袁云华,陈章涛,赵永兴,简力.多介质气体微小流量标准装置设计探讨CSCD[J].宇航计测技术,2015,37(3):66-70. |
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| 作者姓名： | 袁云华 陈章涛 赵永兴 简力 |
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| 作者单位： | 1、国防科技工业4113计量站，河南新乡 453049 |
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| 摘 要： | 介绍了气体流量计量发展的特点及需求,提出建立一套多介质气体微小流量标准装置。结合实际装置指标需求,比较分析了常用气体流量标准原理特点,确定采用了PVTt法原理,根据设计指标需求及原理提出了多介质气体微小流量装置整体初步设计方案,并进行了测量不确定度分析。
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| 关 键 词： | 气体流量标准装置 微小流量 多种介质 测量不确定度 |
Automatic Test for Voltage Controlled Oscillator |
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| YUAN Yun-hua,CHEN Zhang-tao,ZHAO Yong-xing,JIAN Li.Automatic Test for Voltage Controlled Oscillator[J].Journal of Astronautic Metrology and Measurement,2015,37(3):66-70. |
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| Authors: | YUAN Yun-hua CHEN Zhang-tao ZHAO Yong-xing JIAN Li |
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| Affiliation: | 1、4113 Measurement Center of Science, Technology and National Defense Industry, Xinxiang, Henan 453049 |
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| Abstract: | Voltage controlled oscillator（VCO） is widely used in automatic control，digital instrument and radio equipment，which is used to realize the conversion between voltage and frequency. This paper based on voltage controlled oscillator AD650 structure and working principle of a detailed analysis of the RC，according to system resources test SP3160VA VLSI，proposed the automatic test of VCO implementation method，including program design，implementation methods and main parameters of the external components. |
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| Keywords: | Voltage controlled oscillator AD650 SP3160VA Automatic test |
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