Calibration of High-Speed Time-Interleaving DAC.

Ke Zhang,Xiaofei Su,Hisao Nakashima,Takeshi Hoshida,Zhenning Tao

OFC（2023）

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摘要

Distortion in high-speed time -interleaving DAC caused by the mismatch among subDACs is experimentally calibrated by the enhanced error backpropagation scheme. Undesired spur is reduced by 20 dB, and the ENOB is improved by 0.72 bit. (c) 2022 The Author(s)

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关键词

enhanced error backpropagation scheme,high-speed time-interleaving DAC,sub-DACs,word length 0.72 bit

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