Super class-AB recycling folded cascode OTA

MP Garde, A Lopez-Martin, RG Carvajal… - IEEE Journal of Solid …, 2018 - ieeexplore.ieee.org
A super class-AB version of the recycling folded cascode (RFC) operational
transconductance amplifier (OTA) is proposed. The use of an adaptive bias circuit for the …

Design methodology of subthreshold three-stage CMOS OTAs suitable for ultra-low-power low-area and high driving capability

AD Grasso, D Marano, G Palumbo… - IEEE Transactions on …, 2015 - ieeexplore.ieee.org
A design methodology for three-stage CMOS OTAs operating in the subthreshold region is
presented. The procedure is focused on the development of ultra-low-power amplifiers …

Enhanced single-stage folded cascode OTA suitable for large capacitive loads

AJ Lopez-Martin, MP Garde, JM Algueta… - … on Circuits and …, 2017 - ieeexplore.ieee.org
An enhanced single-stage folded cascode operational transconductance amplifier able to
drive large capacitive loads is presented. Circuits that adaptively bias the input differential …

A highly efficient composite class-AB–AB miller op-amp with high gain and stable from 15 pF up to very large capacitive loads

S Pourashraf, J Ramirez-Angulo… - … Transactions on Very …, 2018 - ieeexplore.ieee.org
In this paper, a highly power-efficient class-AB–AB Miller op-amp is discussed. The structure
uses enhancement based on local common-mode feedback to provide class-AB operation …

Class AB amplifier with enhanced slew rate and GBW

MP Garde, A Lopez‐Martin, JM Algueta… - … Journal of Circuit …, 2019 - Wiley Online Library
The design of a micropower class AB operational transconductance amplifier with large
dynamic current to quiescent current ratio is addressed. It is based on a compact and power …

Super class AB OTA without open‐loop gain degradation based on dynamic cascode biasing

S Pourashraf, J Ramirez‐Angulo… - … Journal of Circuit …, 2017 - Wiley Online Library
A scheme to achieve simultaneously extremely high slew‐rate improvement and avoiding
open‐loop gain degradation in one‐stage super class AB op‐amps is introduced. It …

[PDF][PDF] Realization with fabrication of double-gate MOSFET based class-AB amplifier

S Pillay, VM Srivastava - International Journal of …, 2020 - pdfs.semanticscholar.org
This research work designs the class-AB amplifier with the application of Double-Gate (DG)
MOSFET, which provides insight on how the amplifier can be utilized, in accordance with its …

A novel tunable gain CMOS buffer amplifier for large resistive loads

J Remya, PC Subramaniam, KJ Dhanaraj - Integration, 2021 - Elsevier
An all-OTA analog buffer amplifier configuration capable of driving large resistive loads is
presented. The proposed configuration features high input swing, gain tunability, wide …

Power‐efficient class AB fully differential amplifier

JM Saso, AJ Lopez‐Martin, MP Garde… - Electronics …, 2017 - Wiley Online Library
A class AB one‐stage fully differential amplifier is described. It includes adaptive biasing
techniques to the conventional class A differential amplifier that improve linearity, gain …

High Precision Ping-pong Auto-zeroed Lock-in Fluorescence Photometry Sensor

VK Lazarjan, MÈ Crochetière… - … Circuits and Systems, 2024 - ieeexplore.ieee.org
This paper presents a high-precision CMOS fluorescence photometry sensor using a novel
lock-in amplification scheme based on switched-biasing and ping-pong auto-zeroing …