基于约瑟夫森的模拟-数字转换器交流特性试验台

CPEM 2010 Pub Date : 2010-06-13 DOI:10.1109/CPEM.2010.5544779

F. Overney, A. Rufenacht, J. Braun, B. Jeanneret

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引用次数: 7

摘要

为了对高分辨率模数转换器(ADC)进行系统表征，开发了一个基于1 V可编程约瑟夫森电压标准(PJVS)的测试平台。PJVS产生不同的波形作为参考，这些波形由被测数字化仪采样。作为第一个初步的例子，我们测量了一个商用24位δ - σ转换器的积分非线性。在其1v范围内，当频率为16hz时，其电压小于4µV/V。

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Josephson-based test bench for ac characterization of analog-to-digital converters

To perform systematic characterization of high resolution analog-to-digital converters (ADC), a test bench based on a 1 V programmable Josephson voltage standard (PJVS) has been developed. The PJVS generates different waveforms used as references which are sampled by the digitizer under test. As a first and preliminary example, the integral nonlinearity of a commercial 24-bits delta-sigma converter has been measured. It was found to be smaller than 4 µV/V at a frequency of 16 Hz on its 1 V range.

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CPEM 2010

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