A micropower low-noise neural recording front-end circuit for epileptic seizure detection

C Qian, J Parramon… - IEEE Journal of Solid …, 2011 - ieeexplore.ieee.org
This paper describes a micropower low-noise neural front-end circuit capable of recording
epileptic fast ripples (FR). The front-end circuit consisting of a preamplifier followed by a 6th …

Picowatt, 0.45–0.6 V self-biased subthreshold CMOS voltage reference

AC de Oliveira, D Cordova, H Klimach… - IEEE Transactions on …, 2017 - ieeexplore.ieee.org
In this paper, a self-biased temperature compensated CMOS voltage reference operating at
picowatt-level power consumption is presented. The core of the proposed circuit is the self …

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 …

Ultra-low-power sub-1 V 29 ppm/° C voltage reference and shared-resistive current reference

D Shetty, C Steffan, G Holweg, W Bösch… - … on Circuits and …, 2022 - ieeexplore.ieee.org
This paper presents a curvature-compensated sub-1V voltage reference (VR) and a shared-
resistive nanoampere current reference (CR) in a 130nm CMOS process. The CR is used to …

A colpitts oscillator-based self-starting boost converter for thermoelectric energy harvesting with 40-mV startup voltage and 75% maximum efficiency

BM Lim, JI Seo, SG Lee - IEEE Journal of Solid-State Circuits, 2018 - ieeexplore.ieee.org
This paper presents a Colpitts oscillator-based self-starting boost converter for
thermoelectric energy harvesting. An enhanced swing Colpitts oscillator with a 10-stage …

Analysis and design of the classical CMOS Schmitt trigger in subthreshold operation

LAP Melek, AL da Silva, MC Schneider… - … on Circuits and …, 2016 - ieeexplore.ieee.org
In this paper, the classical CMOS Schmitt trigger (ST) operating in the subthreshold regime
is analyzed. The complete DC voltage transfer characteristic of the CMOS ST is determined …

A 0.12–0.4 V, versatile 3-transistor CMOS voltage reference for ultra-low power systems

AC De Oliveira, D Cordova, H Klimach… - IEEE Transactions on …, 2018 - ieeexplore.ieee.org
In this paper, we propose an ultra-low power compact 3-transistor voltage reference capable
of operating at ultra-low supply voltages. The proposed circuit is based on the self-cascode …

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 …

An accurate BJT-based CMOS temperature sensor with duty-cycle-modulated output

G Wang, A Heidari, KAA Makinwa… - IEEE Transactions on …, 2016 - ieeexplore.ieee.org
This paper describes the design of a precision bipolar junction transistor based temperature
sensor implemented in standard 0.7-μm CMOS technology. It employs substrate pn-ps as …

On the minimum supply voltage for MOSFET oscillators

MB Machado, MC Schneider… - IEEE Transactions on …, 2013 - ieeexplore.ieee.org
In order to investigate the minimum supply voltage for MOSFET oscillators, three topologies
were studied. Two of them, namely the enhanced swing inductive-load ring and the …