使用安捷伦3458A采样能力精确测量音频频段的交流电压

29th Conference on Precision Electromagnetic Measurements (CPEM 2014) Pub Date : 2014-10-02 DOI:10.1109/CPEM.2014.6898598

R. Lapuh, B. Voljc, M. Lindic

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引用次数: 8

摘要

本文介绍了安捷伦3458A DMM在DCV采样模式下的频率相关校正。识别出的最大误差源是输入滤波器滚降，采用相敏正弦拟合算法的异步采样技术对其进行测量和评估。校正后的响应在整个音频频带50 μV/V以内平稳。

本文章由计算机程序翻译，如有差异，请以英文原文为准。

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Accurate measurement of AC voltage in audio band using Agilent 3458A sampling capability

The paper describes frequency dependence correction of the Agilent 3458A DMM in DCV sampling mode. The biggest error source identified is the input filter roll-off, which was measured and evaluated with an asynchronous sampling technique using phase sensitive sine fit algorithm. Corrected response is flat within 50 μV/V in the whole audio frequency band.

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29th Conference on Precision Electromagnetic Measurements (CPEM 2014)

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