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 …

A novel differential to single-ended converter for ultra-low-voltage inverter-based OTAs

R Della Sala, F Centurelli, G Scotti - IEEE Access, 2022 - ieeexplore.ieee.org
For the design of inverter-based OTAs with differential input and single-ended output, the
differential to single-ended (D2S) converter is a key building block. In fact, the performance …

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 differential-to-single-ended converter based on enhanced body-driven current mirrors targeting ultra-low-voltage OTAs

R Della Sala, F Centurelli, G Scotti, P Tommasino… - Electronics, 2022 - mdpi.com
In this work, an ultra-low-voltage (ULV) technique to improve body-driven current mirrors is
proposed. The proposed technique is employed to improve the performance of conventional …

A novel OTA architecture exploiting current gain stages to boost bandwidth and slew-rate

F Centurelli, R Della Sala, P Monsurrò, G Scotti… - Electronics, 2021 - mdpi.com
A novel architecture and design approach which make it possible to boost the bandwidth
and slew-rate performance of operational transconductance amplifiers (OTAs) are proposed …

0.5 V CMOS inverter-based transconductance amplifier with quiescent current control

A Ballo, S Pennisi, G Scotti - Journal of Low Power Electronics and …, 2021 - mdpi.com
A two-stage CMOS transconductance amplifier based on the inverter topology, suitable for
very low supply voltages and exhibiting rail-to-rail output capability is presented. The …

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 low power and ultra-high input impedance analog front end based on fully differential difference inverter-based amplifier for biomedical applications

M Vafaei, A Parhizgar, E Abiri, MR Salehi - AEU-International Journal of …, 2021 - Elsevier
In this paper, a low power and low noise analog front end (AFE) is designed for biosignal
acquisition. The first stage is a low noise amplifier (LNA) that is designed by combining 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) …

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 …