Title
A Low Noise CMOS Inverter-Based OTA for and Healthcare Signal Receivers
Abstract
This paper presents an innovative topology for an operational transconductance amplifier (OTA) based on a CMOS inverter topology. This OTA is proper for biomedical and healthcare circuits and systems, due to a low level of noise and power consumption, together with elevated gain. This is a fully-differential implementation, with a double CMOS branch biased by two pairs of voltage-combiners, in both NMOS and PMOS configurations, highly improving the gain and the gain-bandwidth product, improving the OTA energy-efficiency. An elevated figure-of-merit is achieved, i.e., a 1628 MHz×pF/mA, and a gain of 53 dB, under a voltage supply source of 2 V. The results are compared with state-of-the-art OTAs in this field of study and the potential is fully fulfilled with a state-of-the-art layout-aware optimization tool, AIDA, particularly important to overcome the device stacking problematic in lower supplies.
Year
DOI
Venue
2019
10.1109/SMACD.2019.8795248
2019 16th International Conference on Synthesis, Modeling, Analysis and Simulation Methods and Applications to Circuit Design (SMACD)
Keywords
Field
DocType
CMOS,Inverter-Based,Low-Current,OTA,Voltage-Combiners,Energy-Efficiency,On-chip,Differential
Inverter,NMOS logic,Efficient energy use,Computer science,Voltage,Operational transconductance amplifier,CMOS,PMOS logic,Electronic circuit,Electrical engineering
Conference
ISBN
Citations 
PageRank 
978-1-7281-1202-2
0
0.34
References 
Authors
5
6
Name
Order
Citations
PageRank
Ricardo Póvoa100.34
António Canelas200.34
Ricardo Martins317920.81
Nuno Cavaco Horta431049.65
Nuno Lourenço500.34
João Goes6186.33