Fast and accurate estimation of gain and sample-time mismatches in time-interleaved ADCs using on-chip oscillators

Abstract

The estimation of inter-channel mismatches in time-interleaved analog-to-digital converters (TI-ADCs) is a crucial step towards the compensation of output errors inherent of these converters. In this paper, we investigate a fast, accurate and low-complexity method for estimation of static gain and sample-time mismatches. The proposed technique uses a… (More)
DOI: 10.1109/ISCAS.2012.6271991

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