Novel adaptive blind calibration technique of time‐skew mismatches for any channel time‐interleaved analogue‐to‐digital converters

Autor:	Guifu Zhang, Youjiang Liu, Jie Zhou, Yongtao Qiu, Yi-Nong Liu
Rok vydání:	2019
Předmět:	Spurious-free dynamic range Control and Systems Engineering Signal reconstruction Calibration (statistics) Computer science Dynamic range Skew Electronic engineering Hardware_ARITHMETICANDLOGICSTRUCTURES Electrical and Electronic Engineering Converters Signal Communication channel
Zdroj:	IET Circuits, Devices & Systems. 13:830-835
ISSN:	1751-8598 1751-858X
DOI:	10.1049/iet-cds.2018.5560
Popis:	This article presented a novel digital blind calibration technique of time-skew mismatches for time-interleaved analogue-to-digital converter (TI-ADC). Based on the frequency-shifted and derived operation, the spurious signals could be reconstructed and subtracted from the sampled signal adaptively. The main advantage of the proposed calibration technique is applicable to any channel TI-ADC and could achieve higher performance in comparison with the state-of-the-arts. Numerical simulations and experimental results have demonstrated that the proposed calibration technique could significantly improve the signal to noise and distortion ratio (SNDR) and spurious-free dynamic range (SFDR) of the TI-ADC system.
Databáze:	OpenAIRE
Externí odkaz:	https://explore.openaire.eu/search/publication?articleId=doi_________::2f37fc8fb861e9c17e91b16dd5768ebf https://doi.org/10.1049/iet-cds.2018.5560 Zobrazit plný text záznamu Plný text