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Measurement Accuracy of Oscillation‐Based Test of Analog‐to‐Digital Converters

Oscillation‐based testing of analog‐to‐digital converters represents a viable option for low‐cost built‐in self‐testing in mixed‐signal design. While numerous papers have addressed implementation issues, little attention has been paid to the measurement accuracy. In this letter, we highlight an inherent measurement uncertainty which has to be considered when deriving the parameters from the oscillation frequency.