A fully digital mismatch calibration algorithm for Time-Interleaved ADCs

Hongmei Chen,Lanyu Wang,Rui Xiao,Yongsheng Yin,Honghui Deng,Xu Meng

2021 IEEE International Conference on Integrated Circuits, Technologies and Applications (ICTA)（2021）

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摘要

A ref.ADC based two-step calibration algorithm is proposed for the timing mismatch between channels of time-interleaved ADC (TIADC). Firstly, the difference between the output of ref.ADC and sub-ADC at the same sampling period is used to estimate the timing mismatch, and a high-order Taylor interpolation algorithm is adopted to compensate it; Secondly, a calibration technique based on statistical ...

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关键词

Integrated circuit technology,Interpolation,Heuristic algorithms,System performance,Simulation,Bandwidth,Dynamic range

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