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Integrated Circuits for Sensor Systems
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Integrated Circuits for Sensor Systems

A special issue of Sensors (ISSN 1424-8220). This special issue belongs to the section "Nanosensors".

Deadline for manuscript submissions: closed (30 November 2022) | Viewed by 3975

Special Issue Editors

Prof. Dr. Na Yan

E-Mail Website
Guest Editor
State Key Laboratory of ASIC and System, Fudan University, Shanghai, China
Interests: 5G mm-wave ICs; mm-wave radar sensors; clock generators; RF/analog/mixed-signal circuits design; wireless communication; low power, high energy efficiency circuits design
Prof. Dr. Hao Xu

E-Mail Website
Guest Editor
State Key Laboratory of ASIC and System, Fudan University, Shanghai, China
Interests: RF/analog/mixed-signal circuits design; analog-to-digical conversion; wirelss communication

Special Issue Information

Dear Colleagues,

Alongside communication and computer engineering, sensors used for collecting real-world information are one of the three pillars that support the modern information industry. They collect information in real-time from any object or process by sensing sound, light, heat, electricity and other physical quantities. Being integrated into the Internet, sensors realize a broad network that connects all objects and all people to enable efficient recognition and communication. Typical applications include thermo and humidity sensors, acousto-optic sensors, RFID sensors, GPS, millimeter-wave radar sensors and so on. The fast development of integrated circuits has pushed sensors to evolve towards smaller form factors, lower power consumption and lower cost, which further facilitates mass employment of sensors in the internet of things (IoT).

The objective of this Special Issue is to collect state-of-the-art research contributions and tutorial papers that address key design challenges of integrated circuits used in sensors for the Internet of Things, such as lower power, higher energy efficiency, lower cost and higher integration. Original papers describing complete and unpublished work that are not currently under review by any other journal, magazine or conference are solicited.

Prof. Dr. Na Yan
Prof. Dr. Hao Xu
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. Sensors 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 2600 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

  • Internet of Things
  • integrated circuits
  • RFID
  • mm-wave radar sensor
  • temperature sensor
  • energy harvesting
  • healthcare
  • high energy efficiency
  • wake-up receiver
  • smart sensors

Published Papers (2 papers)

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Research

15 pages, 8466 KiB  
Article
A Wideband and Low-Power Distributed Cascode Mixer Using Inductive Feedback
by Jihoon Kim
Sensors 2022, 22(22), 9022; https://doi.org/10.3390/s22229022 - 21 Nov 2022
Cited by 2 | Viewed by 1554
Abstract
A wideband and low-power distributed cascode mixer is implemented for future mobile communications. The distributed design inspired by the distributed amplifier (DA) enables a mixer to operate in a wide band. In addition, the cascode structure and inductive positive feedback design allow high [...] Read more.
A wideband and low-power distributed cascode mixer is implemented for future mobile communications. The distributed design inspired by the distributed amplifier (DA) enables a mixer to operate in a wide band. In addition, the cascode structure and inductive positive feedback design allow high conversion gain with low-power consumption. The proposed mixer is fabricated using a 130 nm commercial complementary metal-oxide-semiconductor (CMOS) process. It consists of three cascode gain cells and operates with a drain voltage of 1.5 V and a gate voltage of 0.5 to 0.7 V. The fabricated mixer exhibits conversion gain of −2.9 to 3.1 dB at the radio frequencies (RFs) of 4 to 30 GHz and −1.9 to 0.4 dB at RFs of 54 to 66 GHz under the conditions of 8 to 10 dBm of local oscillator (LO) power and 650 MHz of intermediate frequency (IF). The LO-RF isolation is more than 15 dB over the entire measurement band (0.2 to 67 GHz) as the RF and LO signals are applied to different transistors owing to the cascode structure. The total power consumption is only within 12 mW, and the chip size is 0.056 mm2, making it possible to implement a compact mixer. The proposed mixer shows broadband characteristics covering from ultra-wideband (UWB) and the 28 GHz fifth-generation (5G) communication band to the 60 GHz wireless gigabit alliance (WiGig) band. Full article
(This article belongs to the Special Issue Integrated Circuits for Sensor Systems)
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20 pages, 7622 KiB  
Article
High Performance Broadcast Receiver Based on Obsolete Technology
by Laurenţiu Teodorescu and Gabriel Dima
Sensors 2022, 22(18), 6784; https://doi.org/10.3390/s22186784 - 08 Sep 2022
Viewed by 1635
Abstract
Since its inception, the electronics industry has mass-produced equipment. The fast evolution of electronic technologies made obsolete the entire generation of products and even technologies. Until the government issued regulations and guidelines on how to address the issue of reuse of obsolete electronic [...] Read more.
Since its inception, the electronics industry has mass-produced equipment. The fast evolution of electronic technologies made obsolete the entire generation of products and even technologies. Until the government issued regulations and guidelines on how to address the issue of reuse of obsolete electronic equipment, with special regard to the ones still operating (e.g., give it to family/friends, donate to charity, or sell to individuals or recycling companies), most of it was thrown out with usual rubbish, with a destructive effect on the environment. This paper presents the design techniques and methods for revaluation of obsolete vacuum tube analog receivers, with a focus on the manufacturing steps of a high-performance receiver. The choice of receiver type is not accidental at all, since tube technology is still a real success among audiophiles many providers offer vacuum tube amplifiers at considerably high prices. The redesign implied the original FM unit replacement with a DSP-based AM/FM tuner while the AM RF vacuum tube section has been preserved with the original architecture to allow the reception of the broadcast stations for the long-wave band and the alternative operation with the silicon tuner for the medium-wave and short-wave bands. The electrical performances of the modified receiver in terms of reliability, sensitivity, selectivity, and distortions on the reception chain are clearly superior to the original one, while the power consumption of the RF section is reduced more than 10 times from 11.5 W–15.5 W to 1 W. Last, but not least important, the proposed solution implied the use of few additional parts and resources and extended significantly the lifetime of the original vacuum tubes receiver. The work has been developed to serve as an example of how obsolete electronic equipment can be redesigned and reused avoiding its complete recycling or even worse, its disposal with usual rubbish. It has been imagined and performed as the initial step in launching a professional student contest on the reuse/redesign of obsolete equipment aimed at raising awareness regarding the issue of pollution with e-waste amongst students from the electronic departments of Romanian technical universities. Full article
(This article belongs to the Special Issue Integrated Circuits for Sensor Systems)
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