An All-Digital Timing Mismatch Calibration Algorithm Based on Reference Channel for TIADC
Wei Zhong,
Yemin Dong,
Lili Lang
et al.
Abstract:This paper proposes an all-digital calibration algorithm that utilizes a reference channel to suppress the timing mismatch in the Time-Interleaved Analog-to-Digital Converter (TIADC). The output of the reference channel is aligned with each sub-channel in turn, therefore enabling the simultaneous sampling and conversion of the same input signal. First, the statistical characteristics across the channels are employed for estimating the timing mismatch; then, by comparing the output difference between the refere… Show more
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