Radio frequency analog-to-digital converters: Systems and circuits review

D Li, X Zhao, S Liu, M Liu, R Ding, Y Liang… - Microelectronics Journal, 2022 - Elsevier
With emerging demands of wideband radios and wireless communication, radio frequency
(RF) analog-to-digital converters (ADCs) are greatly required. In recent years, the advance …

A novel all-digital calibration method for timing mismatch in time-interleaved ADC based on modulation matrix

S Liu, L Zhao, S Li - IEEE Transactions on Circuits and Systems …, 2022 - ieeexplore.ieee.org
This paper proposes a novel all-digital background calibration of timing mismatch for a time-
interleaved analog-to-digital converter (TIADC). For two different calibration strategies, the …

A 13-bit 2-GS/s time-interleaved ADC with improved correlation-based timing skew calibration strategy

M Ni, X Wang, F Li, W Rhee… - IEEE Transactions on …, 2021 - ieeexplore.ieee.org
This paper presents an improved correlation-based timing-skew calibration strategy with
constant input impedance characteristics. A full sampling rate operating time-interleaved …

A 5 GS/s 29 mW interleaved SAR ADC with 48.5 dB SNDR using digital-mixing background timing-skew calibration for direct sampling applications

M Guo, J Mao, SW Sin, H Wei, RP Martins - IEEE Access, 2020 - ieeexplore.ieee.org
This article presents a 16-channel 5 GS/s time-interleaved (TI) SAR ADC for a direct-
sampling receiver that employs a digital-mixing background timing mismatch calibration to …

An improved wide-range, low-complexity, fully-parallel digital background timing mismatch calibration method for dual-channel TIADC based on perfect reconstruction …

Y Liu, Z Zhang, W Xiong, L Sun, L Lang, X Wu… - … -International Journal of …, 2023 - Elsevier
This paper presents a fully-digital background calibration method for calibrating timing
mismatch in dual-channel time-interleaved analog-to-digital converter (TIADC). The …

A 2-GS/s Time-Interleaved ADC With Embedded Background Calibrations and a Novel Reference Buffer for Reduced Inter-Channel Crosstalk

L Ricci, G Bè, M Rocco, L Scaletti… - IEEE Journal of Solid …, 2024 - ieeexplore.ieee.org
Time-interleaved (TI) analog-to-digital converters (ADCs) are an established architecture,
but fundamental problems still exist that prevent replicating the performance of each sub …

A fast convergence second-order compensation for timing skew in time-interleaved ADCs

D Li, L Zhao, L Wang, Y Shen… - IEEE Transactions on Very …, 2022 - ieeexplore.ieee.org
This brief presents a digital background calibration technique for timing skew in time-
interleaved (TI) analog-to-digital converters (ADCs). It updates the calibration step …

Digital calibration for gain, time skew, and bandwidth mismatch in under-sampling time-interleaved system

M Hu, P Yi - Applied Sciences, 2022 - mdpi.com
This paper presents an all-digital background calibration method for gain, time skew, and
bandwidth mismatch in M-channel under-sampling time-interleaved analog-to-digital …

An adaptive blind calibration technique for frequency response mismatches in M-channel time-interleaved ADCs

Y Qiu, J Zhou, Y Liu, X He, N Xie… - IEEE Transactions on …, 2018 - ieeexplore.ieee.org
This brief proposes a novel adaptive architecture for blind estimation and calibration of the
frequency response mismatches in an M-channel time-interleaved analog-to-digital …

Hierarchical parallel difference-equalization and channels regrouping based estimation of timing skew for time-interleaved ADCs

H Zhi, X Li, J Yan, L Zhang, C Yang, J Wu - Microelectronics Journal, 2022 - Elsevier
The timing skew mismatch decreases the dynamic performance of time-interleaved analog-
to-digital converters (TI-ADCs). Some estimation methods need a given sequence between …