On-line calibration of offset and gain mismatch in time-interleaved ADC using a sampled-data chaotic bit-stream


The offset and gain error of ADCs represent two important limits for time-interleaved ADC architectures. The proposed method enables a precise measurement of the offset and the gain during system operation introducing a minimum disturb at the output. The method exploits the modulation of the input signal with a random sequence of +1 and -1. The random bit… (More)
DOI: 10.1109/ISCAS.2006.1693355


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