Integrated digital and analog circuit blocks in a scalable silicon carbide CMOS technology

J Romijn, S Vollebregt, LM Middelburg… - … on Electron Devices, 2021 - ieeexplore.ieee.org
The wide bandgap of silicon carbide (SiC) has attracted a large interest over the past years
in many research fields, such as power electronics, high operation temperature circuits …

Ultra-low-voltage inverter-based operational transconductance amplifiers with voltage gain enhancement by improved composite transistors

LH Rodovalho, O Aiello, CR Rodrigues - Electronics, 2020 - mdpi.com
This paper proposes topological enhancements to increase voltage gain of ultra-low-voltage
(ULV) inverter-based OTAs. The two proposed improvements rely on adoption of composite …

A standard-cell-based CMFB for fully synthesizable OTAs

F Centurelli, R Della Sala, G Scotti - Journal of Low Power Electronics and …, 2022 - mdpi.com
In this paper, we propose a fully standard-cell-based common-mode feedback (CMFB) loop
with an explicit voltage reference to improve the CMRR of pseudo-differential standard-cell …

Enabling ULV fully synthesizable analog circuits: The BA cell, a standard-cell-based building block for analog design

R Della Sala, F Centurelli… - IEEE Transactions on …, 2022 - ieeexplore.ieee.org
In this brief we propose a completely novel approach to design robust analog circuits made
up only of digital CMOS gates taken from conventional standard-cell libraries. The approach …

Self-biased and supply-voltage scalable inverter-based operational transconductance amplifier with improved composite transistors

LH Rodovalho, C Ramos Rodrigues, O Aiello - Electronics, 2021 - mdpi.com
This paper deals with a single-stage single-ended inverter-based Operational
Transconductance Amplifiers (OTA) with improved composite transistors for ultra-low …

Ultra-low-voltage inverter-based amplifier with novel common-mode stabilization loop

G Manfredini, A Catania, L Benvenuti, M Cicalini… - Electronics, 2020 - mdpi.com
This work presents a single-stage, inverter-based, pseudo-differential amplifier that can work
with ultra-low supply voltages. A novel common-mode stabilization loop allows proper …

Hybrid CMOS-Memristor based operational transconductance amplifier for high frequency applications

S Sahoo, GR Murthy, S Ramesh, G Anitha - … Energy Technologies and …, 2022 - Elsevier
This paper deals with designing an optimized hybrid Operational Transconductance
Amplifier (OTA) employing a technique called source degeneration with adaptive biasing …

A high performance 0.3 V standard-cell-based OTA suitable for automatic layout flow

R Della Sala, F Centurelli, G Scotti - Applied Sciences, 2023 - mdpi.com
In this paper, we propose a novel standard-cell-based OTA architecture based on an
improved version of the differential to single-ended converter, previously proposed by the …

A 1.9 nW, sub-1 V, 542 pA/V linear bulk-driven OTA with 154 dB CMRR for bio-sensing applications

R Sanchotene Silva, LH Rodovalho, O Aiello… - Journal of Low Power …, 2021 - mdpi.com
In this paper, a new technique for improvement on the DC voltage gain, while keeping the
high-linearity in symmetrical operational transconductance amplifier (OTA) bulk-driven (BD) …

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 …