[HTML][HTML] Time-to-digital conversion techniques: A survey of recent developments

J Szyduczyński, D Kościelnik, M Miśkowicz - Measurement, 2023 - Elsevier
Time-to-digital converters (TDCs) are key components of time-mode circuits and enablers for
digital processing of analog signals encoded in time. Since design of time-mode circuits …

Recent advances and trends in voltage-time domain hybrid ADCs

Y Zhang, Z Zhu - IEEE Transactions on Circuits and Systems II …, 2022 - ieeexplore.ieee.org
The benefits of technology scaling have fueled interest in voltage-time domain hybrid ADCs.
The hybrid ADCs employing combinations of successive approximation register (SAR), time …

A pseudo-virtual ground feedforwarding technique enabling linearization and higher order noise sha** in VCO-based ΔΣ modulators

C Pochet, DA Hall - IEEE Journal of Solid-State Circuits, 2022 - ieeexplore.ieee.org
This article presents a third-order voltage-controlled oscillator (VCO)-based analog-to-digital
converter (ADC) that leverages pseudo-virtual ground (PVG) feedforwarding (FF), linearizing …

A 174.7-dB FoM, 2nd-Order VCO-Based ExG-to-Digital Front-End Using a Multi-Phase Gated-Inverted-Ring Oscillator Quantizer

C Pochet, J Huang, P Mercier… - IEEE Transactions on …, 2021 - ieeexplore.ieee.org
This paper presents a second-order voltage-controlled oscillator (VCO)-based front-end for
the direct digitization of biopotential signals. This work addresses the non-linearity of VCO …

Oversampling ADC: A Review of Recent Design Trends

A Verreault, PV Cicek, A Robichaud - IEEE Access, 2024 - ieeexplore.ieee.org
Oversampling analog-to-digital converters (ADC) serve as the backbone of high-
performance, high-precision data interfaces, owing to their remarkable ability to filter out …

28.4 A 400mVpp 92.3 dB-SNDR 1kHz-BW 2nd-Order VCO-Based ExG-to-Digital Front-End Using a Multiphase Gated-Inverted Ring-Oscillator Quantizer

C Pochet, J Huang, PP Mercier… - 2021 IEEE International …, 2021 - ieeexplore.ieee.org
Next-generation wearable devices will enable clinical-grade, continuous ExG (ECG, EEG,
EMG, etc.) biopotential monitoring, providing medical professionals with valuable …

Time-encoding analog-to-digital converters: bridging the analog gap to advanced digital cmos? part 2: architectures and circuits

GGE Gielen, L Hernandez… - IEEE Solid-State Circuits …, 2020 - ieeexplore.ieee.org
The scaling of CMOS technology deep into the nanometer range has created challenges for
the design of highperformance analog ICs: they remain large in area and power …

A 96.9-dB-resolution 109-μW second-order robust closed-loop VCO-based sensor interface for multiplexed single-ended resistance readout in 180-nm CMOS

E Sacco, J Vergauwen, G Gielen - IEEE Journal of Solid-State …, 2022 - ieeexplore.ieee.org
This article presents a highly digital robust voltage-controlled oscillator (VCO)-based front
end for multiplexed single-ended resistive sensor readout applications. The architecture …

A 5 MHz-BW 71.7-dB SNDR two-step hybrid-domain ADC in 65-nm CMOS

Z Yu, Y Liang, S Liu - Microelectronics Journal, 2021 - Elsevier
This paper proposes a second-order sigma-delta two-step hybrid-domain ADC comprises of
a SAR ADC, a voltage-to-time converter (VTC), and a second-order sigma-delta TDC with all …

Neural Dielet 2.0: A 128-Channel 2mm× 2mm Battery-Free Neural Dielet Merging Simultaneous Multi-Channel Transmission through Multi-Carrier Orthogonal …

C Yang, Z Zhang, L Zhang, Y Zhang, Z Li… - … Circuits and Systems, 2024 - ieeexplore.ieee.org
Miniaturization of wireless neural-recording systems enables minimally-invasive surgery
and alleviates the rejection reactions for implanted brain-computer interface (BCI) …