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Accurate spectral testing plays a crucial role in modern high-precision analog-to-digital converters’ (ADCs’) evaluation process. One of the challenges is to be able to cost-effectively test the continually higher resolution ADCs accurately. Due to its stringent test requirement, the standard test method for ADCs can be difficult to implement with low cost. This paper proposes an algorithm that relaxes...
Frequency drift is an important issue and is difficult to be avoided in ADC testing. The power leakage caused by frequency drift in the ADC output spectrum cannot be removed by conventional methods. This paper proposes a new algorithm which can estimate the ADC specifications accurately when there is frequency drift. The output of the ADC is collected as Ks segments. Phase correction is applied to...
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