LMS calibration of sampling timing for time-interleaved A/D converters
2009
Novel sampling-timing calibration for time-interleaved A/D converters is proposed and verified by simulation. An FIR-filter structure exploiting the sampling theorem provides a simple but accurate time derivative of the converted signal and hence enables reliable estimation and compensation of sampling-time deviation of each unit ADC assisted by a reference converter and an LMS algorithm.
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