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Weather Register

1999-11, Liu, An Te, Macdonald, Christopher, Shotton, Elizabeth, Techentin, Warren

This thematic study was run as a portion of the second term of design studies in a first professional Masters of Architecture degree program in Spring of 1998.

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Adaptive semiblind background calibration of timing mismatches in a two-channel time-interleaved analog-to-digital converter

2017-01, Liu, Sujuan, Lv, Ning, Ma, Haixiao, Zhu, Anding

This paper introduces an adaptive semiblind background calibration of timing mismatches in a two-channel time-interleaved analog-to-digital converter (TIADC). By injecting a test tone at the frequency of half the overall sampling frequency of TIADC, the timing mismatch between two sub-ADCs can be quickly estimated with great accuracy without affecting the normal operation of the TIADC. The estimated coefficient can then be used in compensation module formed by a fixed structure to calibrate the timing mismatches. Simulation results demonstrate the effectiveness of the proposed estimation and correction technique.