A low power passive-active ΔΣ modulator with high-resolution employing an integrator with open-loop unity-gain buffer

R Moradi, E Farshidi, M Soroosh - Integration, 2019 - Elsevier
This paper presents a new passive-active ΔΣ modulator with high-resolution and low-power
applications. An open-loop unity gain buffer is used to improve the performance of a passive …

Digital calibration of memory errors in passive sigma-delta modulator

R Moradi, E Farshidi, M Soroosh - IETE Journal of Research, 2020 - Taylor & Francis
Based on output-referred error model of passive integrator (PI), the current study proposes a
digital adaptive calibration to compensate passive delta-sigma modulator error. Due to …

A low-power parametric integrator for wideband switched-capacitor ΣΔ modulators

BH Seyedhosseinzadeh, A Nabavi - Analog Integrated Circuits and Signal …, 2014 - Springer
This paper proposes a new low-power MOS parametric integrator (MPI) for the design of
wideband discrete time sigma-delta (ΣΔ) modulators. The MPI is implemented with MOS …

A FinFET based 2nd-Order Fully Differential Passive Sigma Delta Modulator for Low Power ADC

K Sarangam, NB Rao - 2020 11th International Conference on …, 2020 - ieeexplore.ieee.org
In this paper, the design and implementation of a second order fully differential passive
sigma delta modulator for low power ADC in biomedical system with 16nm FinFET process …

An ultra-low power MOS Parametric Integrator-based Feed Forward Modulator Design for Biomedical devices

D Laouej, H Daoud, M Loulou - 2019 31st International …, 2019 - ieeexplore.ieee.org
This paper deals with a design of an ultra-low-power second order feed forward (FF) delta
sigma (ΔΣ) modulator using MOS parametric integrator (MPI) technique for biomedical …

Macro Model for Discrete-Time Sigma‒Delta Modulators

KS Lee - Electronics, 2022 - mdpi.com
This work presents a macro model for discrete-time sigma‒delta modulators, which can
significantly reduce the simulation time compared to transistor level circuits. The proposed …

A second-order Switched Capacitor Passive Sigma Delta Modulator with Bootstrapped switches in FinFET Technology

K Sarangam, NB Rao - 2021 International Conference on …, 2021 - ieeexplore.ieee.org
In this paper, a second order switched capacitor passive sigma delta modulator with
bootstrapped switches is designed and implemented in 18 nm FinFET technology. The loop …

A Small-Footprint Quasi-Passive 1st Order ΣΔ Modulator

G Rodrigues, J Fernandes… - 2019 IEEE International …, 2019 - ieeexplore.ieee.org
Discrete-time ΣΔ generally rely on switched-capacitor implementations that require
operational amplifiers to implement the integrators. For ultra-deep submicron processes, the …

A Low-Power Third-Order Passive Continuous-Time Sigma-Delta Modulator Using FinFET

S Kunamalla, BR Nistala - … and Intelligent Computing: Proceedings of ESIC …, 2020 - Springer
FinFETs are known to be one of the promising devices for sub-50 nm regime. It involves
better channel control, reduced short channel effects and low leakage current. A third-order …

A Near 1-V Operational, 0.18-µm CMOS Passive Sigma-Delta Modulator with 77 dB of Dyanamic Range

T Sai, Y Sugimoto - IEICE transactions on electronics, 2010 - search.ieice.org
A low-voltage operational capability near 1 V along with low noise and distortion
characteristics have been realized in a passive sigma-delta modulator. To achieve low …