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Electronics, Volume 14, Issue 10

May-2 2025 - 192 articles

Cover Story: GaAs Schottky technology offers superior performance for THz mixers at room temperature, making it a compelling choice for high-data-rate wireless receivers. However, InGaAs mixers offer a notable advantage in terms of reduced power requirements, enabling optical pumping with the incorporation of photodiodes acting as LO. This study presents the first comparison of GaAs and InGaAs diodes under electrical and optical pumping in a wireless system, transmitting up to 80 Gbps at 0.3 THz. The THz transmitter and the optical receiver’s LO use MUTC-PDs driven by free-running lasers. Results show that despite higher conversion loss, InGaAs mixers achieve similar BER than GaAs due to the purity of optically generated LO signals. View this paper
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Articles (192)

  • Article
  • Open Access
681 Views
16 Pages

Inter-turn short circuits (ITSCs) in permanent magnet synchronous motors (PMSMs) pose significant risks due to their subtle early symptoms and rapid degradation. To address this, we propose an online real-time diagnostic method for assessing the degr...

  • Article
  • Open Access
866 Views
23 Pages

Development of High-Quality Cryptographic Constructions Based on Many-Valued Logic Affine Transformations

  • Mikolaj Karpinski,
  • Artem Sokolov,
  • Aizhan Tokkuliyeva,
  • Volodymyr Radush,
  • Nadiia Kazakova,
  • Aigul Shaikhanova,
  • Nataliya Zagorodna and
  • Anna Korchenko

The S-box is a key component of modern ciphers, determining the quality and performance of the cryptographic algorithms in which it is applied. Many constructions for synthesizing high-quality S-boxes have been established, and those based on Galois...

  • Article
  • Open Access
769 Views
23 Pages

What if you could identify someone’s right palmprint just by looking at their left—and vice versa? That is exactly what I set out to do. I built a specially adapted Siamese network that only needs one palm to reliably recognize the other,...

  • Article
  • Open Access
1 Citations
1,013 Views
23 Pages

In the digital information age, although digital images are widely used, the security issues associated with them have become increasingly severe. Consequently, ensuring secure image transmission has become a critical challenge in contemporary inform...

  • Article
  • Open Access
1,472 Views
28 Pages

A 57–64 GHz Receiver Front End in 40 nm CMOS

  • Ioannis-Dimitrios Psycharis,
  • Vasileios Tsourtis and
  • Grigorios Kalivas

The global allocation of over 5 GHz of spectral bandwidth around the 60 GHz frequency band offers significant potential for ultra-high data rate wireless communication over short distances and enables the implementation of high-resolution frequency-m...

  • Article
  • Open Access
2 Citations
1,462 Views
17 Pages

To overcome the limitations of characteristic parameter identification and inadequate fault recognition rates in bearings, a bearing fault diagnosis method combining the improved whale optimization algorithm (IWOA), variational mode decomposition (VM...

  • Article
  • Open Access
2 Citations
764 Views
19 Pages

The fusion modeling of intra-session item information representation and inter-session item transition pattern for session recommendation has shown performance advantages. However, existing research still suffers from the following challenges: (1) th...

  • Article
  • Open Access
585 Views
27 Pages

Advanced Big Data Solutions for Detector Calibrations for High-Energy Physics

  • Abdulameer Nour Jalal,
  • Stefan Oniga and
  • Balazs Ujvari

This investigation examines the Dead Hot Map (DHM) method and timing calibration for Run 14 Au+Au collisions in the PHENIX experiment. The DHM method guarantees data integrity by identifying and omitting defective detector towers (nonfunctional, hot,...

  • Article
  • Open Access
1 Citations
1,550 Views
18 Pages

VL-PAW: A Vision–Language Dataset for Pear, Apple and Weed

  • Gwang-Hyun Yu,
  • Le Hoang Anh,
  • Dang Thanh Vu,
  • Jin Lee,
  • Zahid Ur Rahman,
  • Heon-Zoo Lee,
  • Jung-An Jo and
  • Jin-Young Kim

Vision–language models (VLMs) have achieved remarkable success in natural image domains, yet their potential remains underexplored in agriculture due to the lack of high-quality, joint image–text datasets. To address this limitation, we i...

  • Review
  • Open Access
1 Citations
1,226 Views
20 Pages

Energy-efficient integrated circuits require scaled-down supply voltages, posing challenges for analog design, particularly for operational transconductance amplifiers (OTAs) essential in high-accuracy CMOS feedback systems. Below 1 V, gate-driven OT...

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Electronics - ISSN 2079-9292