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Electronics
Special Issues
Circuits and Optoelectronics for Point-of-Care Medical Devices
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Circuits and Optoelectronics for Point-of-Care Medical Devices

A special issue of Electronics (ISSN 2079-9292). This special issue belongs to the section "Bioelectronics".

Deadline for manuscript submissions: closed (22 October 2023) | Viewed by 3121

Special Issue Editors

Prof. Dr. João Costa

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Guest Editor
1. Instituto Superior de Engenharia de Lisboa , Instituto Politécnico de Lisboa, 1500-310 Lisboa, Portugal
2. Centre of Technology and Systems, UNINOVA, 2829-516 Caparica, Portugal
Interests: electronics; photonics; biosensors; biomedical devices
Prof. Dr. Paula Louro

E-Mail Website
Guest Editor
1. Instituto Superior de Engenharia de Lisboa , Instituto Politécnico de Lisboa, 1500-310 Lisboa, Portugal
2. Centre of Technology and Systems, UNINOVA, 2829-516 Caparica, Portugal
Interests: optoelectronics; sensors; amorphous silicon; visible-light communication

Special Issue Information

Dear Colleagues,

Advances in integrated circuits, optoelectronic devices, and wireless communications are rapidly paving the way for the development of portable and low-cost biomedical devices that can be applied for medical diagnostics at the point of care (POC). This Special Issue, entitled Circuits and Optoelectronics for Point-of-Care Medical Devices, welcomes original research papers that focus on the design, modeling, and implementation of new sensors, optoelectronic devices, and circuits for POC. The scope of this Special Issue also includes systems used to test POC devices. Potential topics include, but are not limited to:

Biomedical sensors and interfacing circuits for POC applications;

Low-power analog signal conditioning for medical devices;

Patient simulator circuits and devices;

Photodetectors and circuits for optical biosensing;

Biomedical data transmission using visible-light communication (VLC).

Review papers are also welcomed. They should provide an unbiased up-to-date overview of the state-of-the-art supported with the latest contributions from leading research groups.

We look forward to your participation in this Special Issue.

Prof. Dr. João Costa
Prof. Dr. Paula Louro
Guest Editors

Manuscript Submission Information

Manuscripts should be submitted online at www.mdpi.com by registering and logging in to this website. Once you are registered, click here to go to the submission form. Manuscripts can be submitted until the deadline. All submissions that pass pre-check are peer-reviewed. Accepted papers will be published continuously in the journal (as soon as accepted) and will be listed together on the special issue website. Research articles, review articles as well as short communications are invited. For planned papers, a title and short abstract (about 100 words) can be sent to the Editorial Office for announcement on this website.

Submitted manuscripts should not have been published previously, nor be under consideration for publication elsewhere (except conference proceedings papers). All manuscripts are thoroughly refereed through a single-blind peer-review process. A guide for authors and other relevant information for submission of manuscripts is available on the Instructions for Authors page. Electronics is an international peer-reviewed open access semimonthly journal published by MDPI.

Please visit the Instructions for Authors page before submitting a manuscript. The Article Processing Charge (APC) for publication in this open access journal is 2400 CHF (Swiss Francs). Submitted papers should be well formatted and use good English. Authors may use MDPI's English editing service prior to publication or during author revisions.

Keywords

  • point-of-care
  • optoelectronics
  • analog-front-end
  • visible-light communication
  • patient simulators.

Published Papers (1 paper)

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Research

11 pages, 3927 KiB  
Article
A 1.8 V Low-Power Low-Noise High Tunable Gain TIA for CMOS Integrated Optoelectronic Biomedical Applications
by Guido Di Patrizio Stanchieri, Andrea De Marcellis, Graziano Battisti, Marco Faccio, Elia Palange and Ulkuhan Guler
Electronics 2022, 11(8), 1271; https://doi.org/10.3390/electronics11081271 - 17 Apr 2022
Cited by 9 | Viewed by 2349
Abstract
This paper reports on a novel solution for a transimpedance amplifier (TIA) specifically designed as an analog conditioning circuit for low-voltage, low-power, wearable, portable and implantable optoelectronic integrated sensor systems in biomedical applications. The growing use of sensors in all fields of industry, [...] Read more.
This paper reports on a novel solution for a transimpedance amplifier (TIA) specifically designed as an analog conditioning circuit for low-voltage, low-power, wearable, portable and implantable optoelectronic integrated sensor systems in biomedical applications. The growing use of sensors in all fields of industry, biomedicine, agriculture, environment analysis, workplace security and safety, needs the development of small sensors with a reduced number of electronic components to be easily integrated in the standard CMOS technology. Especially in biomedicine applications, reduced size sensor systems with small power consumption are of paramount importance to make them non-invasive, comfortable tools for patients to be continuously monitored even with personalized therapeutics and/or that can find autonomous level of life using prosthetics. The proposed new TIA architecture has been designed at transistor level in TSMC 0.18 μm standard CMOS technology with the aim to operate with nanoampere input pulsed currents that can be generated, for example, by Si photodiodes in optical sensor systems. The designed solution operates at 1.8 V single supply voltage with a maximum power consumption of about 36.1 μW and provides a high variable gain up to about 124 dBΩ (with fine- and coarse-tuning capabilities) showing wide bandwidth up to about 1.15 MHz and low-noise characteristics with a minimum noise floor level down to about 0.39 pA/Hz. The overall circuit is described in detail, and its main characteristics and performances have been analyzed by performing accurate post-layout simulations. Full article
(This article belongs to the Special Issue Circuits and Optoelectronics for Point-of-Care Medical Devices)
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