Fast convergent background calibration technique for timing mismatch in M-channel time-interleaved ADCs

W Xiong, Z Zhang, L Sun, Y Liu, H Liu, L Lang… - … -International Journal of …, 2022 - Elsevier
This work presents a fully digital background calibration technique of timing mismatch in
time-interleaved analog-to-digital converters (TIADCs). The timing mismatch is estimated by …

A 6-bit 1.5-GS/s SAR ADC with smart speculative two-tap embedded DFE in 130-nm CMOS for wireline receiver applications

A Mahmoudi, P Torkzadeh… - IEEE Transactions on Very …, 2021 - ieeexplore.ieee.org
Implementing wireline receivers with a front-end analog-to-digital converter (ADC) allows for
complex, flexible, and robust signal processing algorithms in the digital domain, as well as …

Design and Implementation of a 16-bit Multi-mode 4-Channel Time-Interleaved Delta-Sigma Modulator with SNDR> 106 dB and DCE Compensation Based on FPGA

A Roshanpanah, P Torkzadeh, K Hajsadeghi… - Circuits, Systems, and …, 2024 - Springer
In this research, a second-order delta-sigma modulator (DSM) with 16-bit resolution is
implemented in VHDL and based on FPGA with a time-interleaved (TI) structure. The …

A 16-Gb/s 3-tap adaptive DFE in 12-nm FinFET CMOS technology

X Sun, J Ding, L Yang, C Lin, Y Li, Y Zhao - Microelectronics Journal, 2024 - Elsevier
This paper introduces a 3-tap half-rate adaptive decision feedback equalizer (DFE) and a 2-
D eye-opening monitor (EOM). A newly developed regenerating sampler (RG-sampler) with …

A CT ΔΣ modulator using 4-bit asynchronous SAR quantizer and MPDWA DEM

S Javahernia, EN Aghdam, P Torkzadeh - AEU-International Journal of …, 2019 - Elsevier
The current paper aims at presenting a low-power second-order input-feedforward
continuous-time (CT) ΔΣ modulator for audio applications. It uses a 4-bit asynchronous …

Calibration of timing mismatch in TIADC based on monotonicity detecting of sampled data

Y Yin, K Sun, H Chen, X Wang, L Liu, H Deng… - IEICE Electronics …, 2020 - jstage.jst.go.jp
In this paper, a calibration method aiming at the timing mismatch existing in the TIADC (Time-
Interleaved Analog-to-Digital Converter) is proposed. Monotonicity detecting of the sampled …

Dual-path linearization technique for bandwidth enhancement in SAH circuits

S Kazeminia, AL Shahsavar - AEU-International Journal of Electronics and …, 2019 - Elsevier
A highly linearized open-loop CMOS sample-and-hold is proposed for high-speed and high-
resolution analog-to-digital converters. Thanks to synergistic effects of active and passive …

A broadband DC-coupling 16 GS/s sample-and-hold amplifier in 0.13 μm SiGe BiCMOS process

H Ding, J Wang, X Cheng, D Wang - AEU-International Journal of …, 2019 - Elsevier
This paper presents a broadband DC-coupling master-slave sample-and-hold amplifier
(SHA) in 0.13 μm SiGe BiCMOS process. PMOS source follower is implemented as the input …

A study of analog decision feedback equalization for ADC-Based serial link receivers

A Mahmoudi, P Torkzadeh, M Dousti - Integration, 2019 - Elsevier
High-speed serial link receivers based on analog-to-digital converters (ADCs) provide better
programmability with different channel characteristics and the possibility of employing …

A full input range, 1–1.8 V voltage supply scalable analog voltage comparator in 180nm CMOS

A Gupta, A Singh, A Agarwal - International Journal of Electronics, 2021 - Taylor & Francis
ABSTRACT A voltage supply scalable analog voltage comparator for a wide input range is
presented in this paper. A digital gate-based methodology is used to design the comparator …