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Electronics
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Analog and Mixed Circuit: Design and Applications
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Analog and Mixed Circuit: Design and Applications

A special issue of Electronics (ISSN 2079-9292). This special issue belongs to the section "Circuit and Signal Processing".

Deadline for manuscript submissions: closed (15 August 2024) | Viewed by 3789

Special Issue Editors

Dr. Shuang Song

E-Mail Website
Guest Editor
School of Micro-Nano Electronics, Zhejiang University, Hangzhou 310030, China
Interests: analog and mixed-signal IC design; biomedical SoCs for wearable devices; interface circuits for MEMS and sensors; physiological signal acquisition and processing
Special Issues, Collections and Topics in MDPI journals
Dr. Shiwei Wang

E-Mail Website
Guest Editor
Institute for Integrated Micro & Nano Systems, School of Engineering, University of Edinburgh, Edinburgh EH8 9YL, UK
Interests: analogue and mixed-signal integrated circuits; circuits for AI; biomedical; implantable/wearable; brain–machine interface; sensor instrumentation
Special Issues, Collections and Topics in MDPI journals

Special Issue Information

Dear Colleagues,

Analog and mixed signal circuits are playing a critical role in a world today that seems to be dominated by digital electronics. It is vital to interface with the physical world through sensors, obviously with an analog output. Looking into the future, we are embracing an era where everything will be connected, and the world–machine interactions will become ubiquitous. This trend including various applications e.g. biomedical, environmental sensing, electric automotive, energy harvesting and 6G communication bring enormous opportunities and challenges to analog and mixed signal circuit design. In this context, this Special Issues calls for in-depth studies and advanced developments on analog and mixed signal circuit designs and applications including but not limited to:

  • Sensor interface circuits and systems;
  • Power management circuits and systems;
  • Analog-to-digital and digital-to-analog converters;
  • Bio-medical and health care circuits and systems;
  • IoT sensors systems and energy harvesting circuits;
  • Food and Environmental monitoring circuits and systems;
  • Design with emerging technologies such as flexible, thin-film devices.
Dr. Shuang Song
Dr. Shiwei Wang
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

  • sensor interface circuits and systems
  • power management circuits and systems
  • analog-to-digital and digital-to-analog converters
  • bio-medical and health care circuits and systems
  • IoT sensors systems and energy harvesting circuits
  • food and environmental monitoring circuits and systems
  • design with emerging technologies such as flexible thin-film devices

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Published Papers (4 papers)

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Research

12 pages, 2049 KiB  
Article
An 88 dB SNDR 100 kHz BW Sturdy MASH Delta-Sigma Modulator Using Self-Cascoded Floating Inverter Amplifiers
by Xirui Hao, Yidong Yuan, Jie Pan, Zhaonan Lu, Shuang Song, Xiaopeng Yu and Menglian Zhao
Electronics 2024, 13(19), 3865; https://doi.org/10.3390/electronics13193865 - 29 Sep 2024
Viewed by 543
Abstract
Battery-powered Internet-of-Things applications require high-resolution, energy-efficient analog-to-digital converters (ADCs). There are still limited works on sub-MHz-bandwidth ADC designs. This paper presents a sturdy multi-stage shaping (SMASH) discrete-time (DT) delta-sigma modulator (DSM) structure using a self-cascoded floating-inverter-based dynamic amplifier (FIA). The proposed structure removes [...] Read more.
Battery-powered Internet-of-Things applications require high-resolution, energy-efficient analog-to-digital converters (ADCs). There are still limited works on sub-MHz-bandwidth ADC designs. This paper presents a sturdy multi-stage shaping (SMASH) discrete-time (DT) delta-sigma modulator (DSM) structure using a self-cascoded floating-inverter-based dynamic amplifier (FIA). The proposed structure removes the explicit quantization error extraction of the first loop and all the feedback DACs in the cascaded loop, decreasing the design complexity of the circuit. This enables the proposed DT DSM to operate at a higher speed, which is suitable for achieving high-order noise at a low oversampling ratio (OSR). The proposed self-cascoded FIA is more power-efficient and can acquire more than 45 dB DC gain under a 1.2 V supply. The DT DSM implemented in a piece of 55 nm CMOS technology measures an 88.0 dB peak signal-to-noise-and-distortion ratio (SNDR) in a 100 kHz bandwidth (BW) and an 85.3 dB dynamic range (DR), consuming 249.1 μW from a 1.2 V supply at 10 MS/s. The obtained 174.0 dB SNDR-based Schreier figure-of-merit (FoMs) is competitive within state-of-art high-resolution (SNDR > 85 dB) and general-purpose (sub-MHz-bandwidth) ΔΣ ADCs. Full article
(This article belongs to the Special Issue Analog and Mixed Circuit: Design and Applications)
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23 pages, 17866 KiB  
Article
Design of Small-Size Lithium-Battery-Based Electromagnetic Induction Heating Control System
by Yuanjie Liang, Shihao Song, Bocheng Xu, Zhuangzhuang Li, Xuelin Li, Zonglai Mo and Jun Li
Electronics 2024, 13(16), 3287; https://doi.org/10.3390/electronics13163287 - 19 Aug 2024
Viewed by 746
Abstract
This paper presents the design and optimization of a small-size electromagnetic induction heating control system powered by a 3.7 V–900 mAh lithium battery and featuring an LC series resonant full-bridge inverter circuit, which can be used for small metal material heating applications, such [...] Read more.
This paper presents the design and optimization of a small-size electromagnetic induction heating control system powered by a 3.7 V–900 mAh lithium battery and featuring an LC series resonant full-bridge inverter circuit, which can be used for small metal material heating applications, such as micro medical devices. The effects of the resonant capacitance, inductor wire diameter, heating tube material, and wall thickness were studied to maximize the heating rate of the workpiece and simultaneously reduce the temperature rise of the NMOS transistor. The optimal circuit configuration meeting the design requirements was finally identified by comparing the operational parameters and NMOS transistor loss under different circuit conditions. Validation experiments were conducted on designed electromagnetic induction smoking devices. The results indicate that under an output current of 4.6 A, the heating tube can reach the temperature target of 250 °C within 11 s, and all NMOS transistors stay below 50 °C in a 5 min heating process. Full article
(This article belongs to the Special Issue Analog and Mixed Circuit: Design and Applications)
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12 pages, 2210 KiB  
Article
A 3216 μm2 MOS-Based Temperature Sensor with a Wide Temperature Measurement Range and Linear Readout
by Hao Li, Zhao Yang, Dezhu Kong, Aiguo Yin, Zefu Chen and Peiyong Zhang
Electronics 2024, 13(14), 2753; https://doi.org/10.3390/electronics13142753 - 13 Jul 2024
Viewed by 542
Abstract
This paper introduces an MOS-based intelligent temperature sensor with a linear readout. Compared with similar designs, the proposed sensor utilizes the DIBL effect to reduce the precision requirement for the voltage reference source and compensate for the temperature measurement range. A compact voltage [...] Read more.
This paper introduces an MOS-based intelligent temperature sensor with a linear readout. Compared with similar designs, the proposed sensor utilizes the DIBL effect to reduce the precision requirement for the voltage reference source and compensate for the temperature measurement range. A compact voltage reference circuit is introduced, which generates two reference voltage bases using only three transistors. In addition, the proposed digital readout circuit does not require a subtractor or a divider, further saving area. Fabricated in a 55 nm CMOS process, the proposed sensor occupies a compact area of 3216 μm2. Post-simulation results show it has a maximum error of −0.52/+0.28 °C within the temperature range of −20 °C to 120 °C after two-point calibration. The power supply voltage range of the sensor is 0.8 to 1.8 V. It has a maximum voltage sensitivity of 5.7 °C/V and its power consumption is only 166 nW, with a power supply voltage of 0.8 V. Full article
(This article belongs to the Special Issue Analog and Mixed Circuit: Design and Applications)
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22 pages, 9195 KiB  
Article
Tests of Fire Circuit Breakers (FCBs) to Assess Their Suitability for Use in Construction Objects
by Tomasz Popielarczyk, Paweł Stępień, Michał Chmiel and Marta Iwańska
Electronics 2024, 13(9), 1633; https://doi.org/10.3390/electronics13091633 - 24 Apr 2024
Viewed by 1093
Abstract
A fire circuit breaker (FCB) is dedicated to emergency services that can cut off the flow of electricity to all circuits, except for circuits supplying installations and equipment, the functioning of which is necessary during a fire. Theoretical research shows that there are [...] Read more.
A fire circuit breaker (FCB) is dedicated to emergency services that can cut off the flow of electricity to all circuits, except for circuits supplying installations and equipment, the functioning of which is necessary during a fire. Theoretical research shows that there are no comprehensive studies on the FCB systems. Therefore, the aim of this study is to assess the impact of the components used (activating, signalling and executive devices) on the functionality of the entire FCB system (signal transmission time, actuation time, signalling, operational safety and resistance to various environmental conditions). This study proposes a new test scheme to evaluate the functionality of the entire FCB system, not just their individual components, which are widely known and used by electricians. However, it is only by combining them into a system, taking into account the requirements for firefighting equipment used by firefighters, that a completely new product is created. The new test scheme was properly validated by conducting a series of tests on several systems, consisting of multiple components (activating, signalling and executive devices). The tests carried out confirmed the validity of the assumptions made for the test methods and demonstrated the strong influence of the components (actuators, signalling and execution devices) on the functionality of the entire FCB system. Full article
(This article belongs to the Special Issue Analog and Mixed Circuit: Design and Applications)
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