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Riccardo Della Sala, Francesco Centurelli, Giuseppe Scotti and Alessandro Trifiletti
In this paper, we present a 0.3 V body-driven operational transconductance amplifier (OTA) that exploits a biasing approach based on the use of a replica loop with gain. An auxiliary amplifier is exploited both in the current mirror load of the first sta...
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Anna Richelli, Paolo Faustini, Andrea Rosa and Luigi Colalongo
Digital-based differential amplifiers (DDA) are particularly suitable to low voltage digital integrated circuit technologies. This paper presents an exhaustive analysis of digital-based analog amplifiers to take advantage of today?s high-performance digi...
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Xuan Thanh Pham, Xuan Thuc Kieu and Manh Kha Hoang
This paper presents a capacitively coupled chopper instrumentation amplifier (CCIA) with ultra-low power consumption and programmable bandwidth for biomedical applications. To achieve a flexible bandwidth from 0.2 to 10 kHz without additional power consu...
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Riccardo Della Sala, Valerio Spinogatti, Cristian Bocciarelli, Francesco Centurelli and Alessandro Trifiletti
In this paper, a novel dynamic body-driven ultra-low voltage (ULV) comparator is presented. The proposed topology takes advantage of the back-gate configuration by driving the input transistors? gates with a clocked positive feedback loop made of two AND...
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Francesco Centurelli, Riccardo Della Sala, Pietro Monsurrò, Giuseppe Scotti and Alessandro Trifiletti
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 guarantee a rail-to-rail input common mode range and body-diode load...
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Joan J. Garcia-Garcia
Ambient RF energy harvesting (RF-EH) is a particular case of wireless power transfer (WPT), which is characterized by ultra-low power operation. This work points out theoretical and practical aspects that should be considered in the design of RF rectifie...
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Francesco Centurelli, Riccardo Della Sala, Pietro Monsurrò, Giuseppe Scotti and Alessandro Trifiletti
In this paper, we present a novel operational transconductance amplifier (OTA) topology based on a dual-path body-driven input stage that exploits a body-driven current mirror-active load and targets ultra-low-power (ULP) and ultra-low-voltage (ULV) appl...
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Tareq Khan
Wildfires kill and injure people, destroy residences, pollute the air, and cause economic loss. In this paper, a low-power Internet of Things (IoT)-based sensor network is developed, which automatically detects fires in forests and sends the location to ...
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Xin Ding, Yunbo Shi, Hui Sun and Xibo Ding
Methane is the main cause of sewer explosion accidents, and the available monitoring methods mainly use portable gas sensors for on-site detection. However, these methods cannot grasp the dynamic changes in methane in a sewer in real time or make good pr...
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Nikolaos Schizas, Aristeidis Karras, Christos Karras and Spyros Sioutas
The rapid emergence of low-power embedded devices and modern machine learning (ML) algorithms has created a new Internet of Things (IoT) era where lightweight ML frameworks such as TinyML have created new opportunities for ML algorithms running within ed...
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Jennifer Hasler
Large-scale field-programmable analog arrays (FPAA) have the potential to handle machine inference and learning applications with significantly low energy requirements, potentially alleviating the high cost of these processes today, even in cloud-based s...
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Daniel Reiser, Peter Reichel, Stefan Pechmann, Maen Mallah, Maximilian Oppelt, Amelie Hagelauer, Marco Breiling, Dietmar Fey and Marc Reichenbach
In embedded applications that use neural networks (NNs) for classification tasks, it is important to not only minimize the power consumption of the NN calculation, but of the whole system. Optimization approaches for individual parts exist, such as quant...
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Alessandro Torrisi, Kasim Sinan Yildirim and Davide Brunelli
Self-sustainable energy harvesting for Internet of Things devices is challenging since ambient energy may be sporadic and unpredictable. This situation leads to frequent power failures that lead to intermittent operations, which prevent the reliability o...
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Chiara Elfi Spano, Fabrizio Mo, Roberta Antonina Claudino, Yuri Ardesi, Massimo Ruo Roch, Gianluca Piccinini and Marco Vacca
Tunnel Field-Effect Transistors (TFETs) have been considered one of the most promising technologies to complement or replace CMOS for ultra-low-power applications, thanks to their subthreshold slope below the well-known limit of 60 mV/dec at room tempera...
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Naveed and Jeff Dix
A low-power delay-locked loop (DLL)-based frequency multiplier is presented. The multiplier is designed in 22 nm FDSOI and achieves 8× multiplication. The proposed DLL uses a new simple duty cycle correction circuit and is XOR logic-based for frequency m...
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Konstantinos Kozalakis, Ioannis Sofianidis, Vasileios Konstantakos, Kostas Siozios and Stylianos Siskos
This work introduces a light harvesting system with battery management. In contrast to relevant solutions that operate in limited ranges, the proposed system covers a wide operating input power range from 10 uW up to 300 mW. Specifically, experimental re...
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Calogero Picone, Marco Sinagra, Luana Gurnari, Tullio Tucciarelli and Pasquale G. F. Filianoti
In the last few decades, hydropower production has been moving toward a new paradigm of low and diffused power density production of energy with small and mini-hydro plants, which usually do not require significant water storage. In the case of nominal p...
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Gianluca Giustolisi and Gaetano Palumbo
In this paper, a new strategy for the design of ultra-low-power CMOS operational transconductance amplifiers (OTAs), using the ????/????
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approach, is proposed for the Internet-of-things (IoT) scenario. The strategy optimizes the speed/dissipat...
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Xueyang Zeng, Gang Chen, Huabo Shi, Sijia Wang and Peng Shi
Aiming at the problem of ultra-low-frequency oscillation (ULFO) in power systems, with an oscillation frequency lower than 0.1 Hz, an oscillation suppression control method is proposed. Firstly, the mathematical modeling of the system is carried out, and...
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