Re-thinking analog integrated circuits in digital terms: A new design concept for the IoT era

P Toledo, R Rubino, F Musolino… - IEEE Transactions on …, 2021 - ieeexplore.ieee.org
A steady trend towards the design of mostly-digital and digital-friendly analog circuits,
suitable to integration in mainstream nanoscale CMOS by a highly automated design flow …

Design of digital OTAs with operation down to 0.3 V and nW power for direct harvesting

P Toledo, P Crovetti, O Aiello… - IEEE Transactions on …, 2021 - ieeexplore.ieee.org
In this paper, passive-less fully-digital operational transconductance amplifiers (DIGOTA) for
energy-and area-constrained systems are modeled and analyzed from a design viewpoint …

A tree-based architecture for high-performance ultra-low-voltage amplifiers

F Centurelli, R Della Sala, P Monsurrò, G Scotti… - Journal of Low Power …, 2022 - mdpi.com
In this paper, we introduce a novel tree-based architecture which allows the implementation
of Ultra-Low-Voltage (ULV) amplifiers. The architecture exploits a body-driven input stage to …

A novel standard-cell-based implementation of the digital OTA suitable for automatic place and route

G Palumbo, G Scotti - Journal of Low Power Electronics and Applications, 2021 - mdpi.com
This paper presents a novel implementation of a digital-based Operational
Transconductance Amplifier (OTA) which has been recently introduced in the technical …

Power-efficient single-stage class-AB OTA based on non-linear nested current mirrors

J Beloso-Legarra, A Carlos… - IEEE Transactions on …, 2023 - ieeexplore.ieee.org
A novel approach to design low-power area-efficient rail-to-rail output single-stage class-AB
operational transconductance amplifiers (OTAs) with enhanced large-and small-signal …

Design techniques for ultra-low voltage analog circuits using CMOS characteristic curves: A practical tutorial

A Girardi, L Compassi-Severo… - Journal of Integrated …, 2022 - jics.org.br
Design Techniques for Ultra-Low Voltage Analog Circuits Using CMOS Characteristic Curves:
a practical tutorial Page 1 Journal of Integrated Circuits and Systems, vol. 17, n.1, 2022 1 …

A Novel High Performance Standard-Cell Based ULV OTA Exploiting an Improved Basic Amplifier

R Della Sala, F Centurelli, G Scotti - IEEE Access, 2024 - ieeexplore.ieee.org
In this paper we introduce an improved standard-cell-based voltage amplifier cell with low
output resistance. The proposed amplifier cell exhibits a voltage gain whose value can be …

Simple scheme for the implementation of low voltage fully differential amplifiers without output common-mode feedback network

M Renteria-Pinon, J Ramirez-Angulo… - Journal of Low Power …, 2020 - mdpi.com
A simple scheme to implement class AB low-voltage fully differential amplifiers that do not
require an output common-mode feedback network (CMFN) is introduced. It has a rail to rail …

Hybrid Inverter-Based Fully Differential Operational Transconductance Amplifiers

LH Rodovalho, P Toledo, F Mir, F Ebrahimi - Chips, 2023 - mdpi.com
Inverter-based Operational Transconductance Amplifiers (OTAs) are versatile and friendly
scalable analog circuit blocks. Especially for the new CMOS technological nodes, several …

A novel technique to design ultra-low voltage and ultra-low power inverter-based otas

R Della Sala, F Centurelli… - 2024 19th Conference on …, 2024 - ieeexplore.ieee.org
In this work a novel technique to design ultra-low voltage (ULV), ultra-low power (ULP),
inverter-based OTAs is presented. The proposal consists in utilizing a replica bias control …