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There are growing demands on the evaluation of accuracy for high-speed analog-to-digital converters which are increasingly needed in electrical metrology these days. Here, we have developed a system to measure the linearity error of analog-to-digital converters by adopting a reference sampling voltmeter and a dummy waveform generator. With the measurement setup, we evaluated the linearities for three...
We report the linearity evaluation for a high-speed digitizer NI 5922, which is adopted to a quantum sampling voltmeter. The evaluation has been carried out for three units of the digitizer using a reference voltmeter with a 14-bit arbitrary waveform generator as a dummy voltage source. The three units show totally different behaviors in terms of the voltage linearity which might be described with...
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