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Journal of Low Power Electronics and Applications, Volume 13, Issue 2

June 2023 - 19 articles

Cover Story: Scavenging ambient electromagnetic energy requires an antenna coupled to a rectifier, namely a rectenna. The hardware resources involved in fabricating a rectenna yield a significant carbon impact. Using an eco-friendlier substrate and a more economical fabrication process will help to lower the carbon impact. This article details the design and performance of a rectenna fabricated through plastronics, using poly(lactic) acid. Compared to an optimal substrate material, PLA exhibits a lower dielectric constant and higher losses but still remains adequate for a rectenna operation. A 2.45 GHz patch antenna demonstrates a gain very close to that of an antenna on an optimal substrate. A rectenna using a single series diode features an efficiency of 9.6% under -20 dBm input RF power and a load of 2 kW. View this paper
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Articles (19)

  • Article
  • Open Access
8 Citations
4,001 Views
23 Pages

Batteryless Sensor Devices for Underground Infrastructure—A Long-Term Experiment on Urban Water Pipes

  • Manuel Boebel,
  • Fabian Frei,
  • Frank Blumensaat,
  • Christian Ebi,
  • Marcel Louis Meli and
  • Andreas Rüst

Drinking water is becoming increasingly scarce as the world’s population grows and climate change continues. However, there is great potential to improve drinking water pipelines, as 30% of fresh water is lost between the supplier and consumer....

  • Article
  • Open Access
7 Citations
3,448 Views
21 Pages

Energy-Efficient Audio Processing at the Edge for Biologging Applications

  • Jonathan Miquel,
  • Laurent Latorre and
  • Simon Chamaillé-Jammes

Biologging refers to the use of animal-borne recording devices to study wildlife behavior. In the case of audio recording, such devices generate large amounts of data over several months, and thus require some level of processing automation for the r...

  • Article
  • Open Access
15 Citations
7,400 Views
23 Pages

This paper presents a systematic approach to extract electrical equivalent circuit model (ECM) parameters of the Li-ion battery (LIB) based on electrochemical impedance spectroscopy (EIS). Particularly, the proposed approach is suitable to practical...

  • Article
  • Open Access
6 Citations
6,026 Views
17 Pages

Class AB Voltage Follower and Low-Voltage Current Mirror with Very High Figures of Merit Based on the Flipped Voltage Follower

  • Jaime Ramírez-Angulo,
  • Anindita Paul,
  • Manaswini Gangineni,
  • Jose Maria Hinojo-Montero and
  • Jesús Huerta-Chua

The application of the flipped voltage follower to implement two high-performance circuits is presented: (1) The first is a class AB cascode flipped voltage follower that shows an improved slew rate and an improved bandwidth by very large factors and...

  • Article
  • Open Access
6 Citations
6,306 Views
18 Pages

Buck-Boost Charge Pump Based DC-DC Converter

  • Evi Keramida,
  • George Souliotis,
  • Spyridon Vlassis and
  • Fotis Plessas

This paper presents a novel inductorless dual-mode buck-boost charge pump (CP) based DC-DC converter. The proposed architecture allows the same circuit to accomplish two modes of operation, buck and boost, for degrading or elevating the output voltag...

  • Article
  • Open Access
7 Citations
8,058 Views
16 Pages

Innovative Characterization and Comparative Analysis of Water Level Sensors for Enhanced Early Detection and Warning of Floods

  • Rula Tawalbeh,
  • Feras Alasali,
  • Zahra Ghanem,
  • Mohammad Alghazzawi,
  • Ahmad Abu-Raideh and
  • William Holderbaum

In considering projections that flooding will increase in the future years due to factors such as climate change and urbanization, the need for dependable and accurate water sensors systems is greater than ever. In this study, the performance of four...

  • Communication
  • Open Access
1 Citations
3,132 Views
13 Pages

This is the first review of conductive electrets (unpoled carbons and metals), which provide a new avenue for low-power electronics. The electret provides low DC voltage (μV) while allowing low DC current (μA) to pass through. Ohm’s Law i...

  • Communication
  • Open Access
8 Citations
3,968 Views
11 Pages

A 0.6 V Bulk-Driven Class-AB Two-Stage OTA with Non-Tailed Differential Pair

  • Andrea Ballo,
  • Alfio Dario Grasso and
  • Salvatore Pennisi

This work presents a two-stage operational transconductance amplifier suitable for sub-1 V operation. This characteristic is achieved thanks to the adoption of a bulk-driven non-tailed differential pair. Local positive feedback is exploited to boost...

  • Article
  • Open Access
3,140 Views
19 Pages

This paper deals with the design, analysis, and implementation of a Ka-band, single-stage, quasi-inverse class F power amplifier (PA). A detailed methodology for the evaluation of the active device’s output capacitance is described, enabling th...

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J. Low Power Electron. Appl. - ISSN 2079-9268