A VCO-based ADC with direct connection to a microphone MEMS, 80-dB peak SNDR and 438-μW power consumption
C Perez, R Garvi, G Lopez, A Quintero… - IEEE Sensors …, 2023 - ieeexplore.ieee.org
This article presents a microphone readout chip incorporating a voltage controlled oscillator
(VCO)-based ADC that can be directly connected to a capacitive micro electro mechanical …
(VCO)-based ADC that can be directly connected to a capacitive micro electro mechanical …
A machine learning driven PVT-robust VCO with enhanced linearity range
This work presents a PVT robust machine learning-based Voltage-controlled Oscillator
(VCO) with an enhanced linearity range. The machine learning algorithm with PVT …
(VCO) with an enhanced linearity range. The machine learning algorithm with PVT …
Exploring Speed Maximization of Frequency-to-Digital Conversion for Ultra-Low-Voltage VCO-Based ADCs
V Nguyen, F Schembari… - IEEE Transactions on …, 2022 - ieeexplore.ieee.org
A frequency-to-digital converter (FDC) performs the role of precise frequency digitization
within a voltage-controlled oscillator (VCO)-based ADC. To be compatible with energy …
within a voltage-controlled oscillator (VCO)-based ADC. To be compatible with energy …
The mismatch performance of pseudo digital ring oscillators used in vco adcs: Psrr and cmrr
J Borgmans, P Rombouts - … on Circuits and Systems I: Regular …, 2022 - ieeexplore.ieee.org
In this work, we focus on the Power Supply Rejection and Common Mode Rejection
performance of inverter based ring oscillators intended for use in VCO ADCs. We show that …
performance of inverter based ring oscillators intended for use in VCO ADCs. We show that …
A 3.5 GS/s 1-1 MASH VCO ADC with second-order noise shaping
In this work, a 3.5 GS/s voltage-controlled oscillator (VCO) analog-to-digital converter (ADC)
using multi-stage noise shaping (MASH) is presented. This 28nm CMOS ADC achieves …
using multi-stage noise shaping (MASH) is presented. This 28nm CMOS ADC achieves …
A Gray-Encoded Ring Oscillator for Efficient Frequency-to-Digital Conversion in VCO-Based ADCs
The most common implementation of a VCO-based ADC consists of a ring oscillator
connected to a thermometer-encoded frequency-to-digital converter. The area of the …
connected to a thermometer-encoded frequency-to-digital converter. The area of the …
Second-Order VCO-ADC Architecture With Low-Area and High Dynamic Range Using Internal Binary Encoding
V Medina, R Garvi, J Granizo, P Amaral… - … on Circuits and …, 2025 - ieeexplore.ieee.org
One of the limitations of conventional VCO-ADCs is the restriction to first-order noise
shaping. True VCO-ADC architectures have been proposed to increase the noise-shaping …
shaping. True VCO-ADC architectures have been proposed to increase the noise-shaping …
A Bi/Tri-level Self-Adaptive Two-Step DAC Switching Scheme for High-Power Efficiency SAR-Based ADCs
S Dong, C Liu, S Bu, J Li - Circuits, Systems, and Signal Processing, 2023 - Springer
A high energy-efficient and reference voltage self-adaptive switching scheme for a triple-
capacitive array successive approximation register analog-to-digital converters is proposed …
capacitive array successive approximation register analog-to-digital converters is proposed …
A Double-Edge Triggered Asynchronous Gray Counter for Use as a Coarse Counter in VCO ADCs
J Raman, T Cromheecke, S Ooghe… - … on Circuits and …, 2024 - ieeexplore.ieee.org
This brief presents an asynchronous double-edge triggered Gray counter that can
advantageously be used as coarse counter in a coarse-fine VCO ADC. We show that, in …
advantageously be used as coarse counter in a coarse-fine VCO ADC. We show that, in …
A Second-Order Audio VCO-ADC with 103-dB-A Dynamic Range and Binary-Weighted Internal Architecture
V Medina, R Garvi, J Granizo, P Amaral… - arXiv preprint arXiv …, 2024 - arxiv.org
One of the limitations of conventional VCO-ADCs is the restriction to first-order noise
shaping. True-VCO architectures have been proposed to increase the noise-shaping order …
shaping. True-VCO architectures have been proposed to increase the noise-shaping order …