A noise-shaped VCO-based nonuniform sampling ADC with phase-domain level crossing

TF Wu, MSW Chen - IEEE Journal of Solid-State Circuits, 2019 - ieeexplore.ieee.org
This paper introduces a voltage-controlled oscillator (VCO)-based nonuniform sampling
(NUS) analog-to-digital converter (ADC), which shifts the conventional voltage-domain level …

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 …

0.36-mW, 52-Mbps true random number generator based on a stochastic delta–sigma modulator

ST Chandrasekaran, VEG Karnam… - IEEE Solid-State …, 2020 - ieeexplore.ieee.org
This letter presents a true random number generator (TRNG) based on a stochastic delta-
sigma modulator (DSM) with ring oscillator (RO) integrators. The TRNG leverages noise and …

A machine learning driven PVT-robust VCO with enhanced linearity range

N Kandpal, A Singh, A Agarwal - Circuits, Systems, and Signal Processing, 2022 - Springer
This work presents a PVT robust machine learning-based Voltage-controlled Oscillator
(VCO) with an enhanced linearity range. The machine learning algorithm with PVT …

Integrated sensor electronic front-ends with self-x capabilities

S Alraho, Q Zaman, H Abd, A König - Chips, 2022 - mdpi.com
The ongoing vivid advance in integration technologies is giving leverage both to computing
systems as well as to sensors and sensor systems. Both conventional computing systems as …

Reliable measurement using unreliable binary comparisons

RM Corey, S Tao, N Verma, AC Singer - Signal Processing, 2023 - Elsevier
We consider the problem of measuring a physical quantity of interest, such as a voltage,
pressure, or density, by comparing it against several references whose values are not …

All-digital VCO-ADC TAD using 4CKES-type in 16-nm FinFET CMOS for technology scaling with stochastic-ADC method

T Watanabe - 2021 28th IEEE International Conference on …, 2021 - ieeexplore.ieee.org
This paper presents a fast and very-scalable ADC architecture with a 4-clock-edge-shift
(4CKES) type of an all-digital VCO-based-ADC Time-A/D converter (TAD). 4CKES-type TAD …

Neuromorphic Spiking Sensory System with Self-X Capabilities

H Abd, Q Zaman, S Alraho, A König - IEEE Access, 2024 - ieeexplore.ieee.org
Effectively interfacing synthetic systems with a tangible world using a growing number and
variety of sensors under the constraints of precision, resilience, and adaptability is …

Data conversion with subgate-delay time resolution using cyclic-coupled ring oscillators

V Unnikrishnan, O Järvinen, W Siddiqui… - … Transactions on Very …, 2020 - ieeexplore.ieee.org
An integrated circuit that measures time intervals with high precision and accuracy has a
wide range of applications including data conversion, ranging, and 3-D imaging. The …

Time-encoding VCO-ADCs for Integrated Systems-on-Chip

Nowadays consumer electronics is mostly driven by low-power ubiquitous applications like
mobile communications, Internet of Things (IoT), or wearable devices. Most of these …