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Electronics, Volume 14, Issue 11

June-1 2025 - 214 articles

Cover Story: A robust three-stage 13–15 GHz low-noise amplifier (LNA) using pHEMT GaAs technology is presented, achieving simultaneous signal and noise matching (SSNM). The proposed design demonstrates a 25 dB gain and a noise figure below 1.6 dB across the band, validated by measurements. Its performance under high-power pulsed and continuous signals is assessed, showing resilience and stability. This work offers practical insights into interstage matching and reliable LNA design for space applications. View this paper
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Articles (214)

  • Article
  • Open Access
1 Citations
1,249 Views
10 Pages

An Efficient and Low-Cost Design of Modular Reduction for CRYSTALS-Kyber

  • Zhengwu Huang,
  • Sizhe Chen,
  • Pengyue Sun,
  • Ding Deng and
  • Guangfu Sun

After being selected as a standard for Post-Quantum Cryptography Key Encapsulation Mechanisms by NIST, CRYSTALS-Kyber has driven the transformation of the information security field toward new standards. In CRYSTALS-Kyber, modular reduction is crucia...

  • Article
  • Open Access
874 Views
21 Pages

Elevator Fault Diagnosis Based on a Graph Attention Recurrent Network

  • Haokun Wu,
  • Li Yin,
  • Yufeng Chen,
  • Zhiwu Li and
  • Qiwei Tang

Elevator fault diagnosis is critical for ensuring operational safety and reliability in modern vertical transportation systems. Traditional approaches, which rely on time- and frequency-domain signal analysis, often struggle with the issues such as n...

  • Article
  • Open Access
878 Views
24 Pages

Mechatronic Anticollision System for Electric Wheelchairs Based on a Time-of-Flight Sensor

  • Wiesław Szaj,
  • Michał Wanic,
  • Wiktoria Wojnarowska and
  • Sławomir Miechowicz

Electric wheelchairs significantly enhance mobility for individuals with disabilities, but navigating confined or crowded spaces remains a challenge. This paper presents a mechatronic anticollision system based on Time-of-Flight (ToF) sensors designe...

  • Article
  • Open Access
1 Citations
1,538 Views
25 Pages

In existing phased-array radar systems, anti-jamming strategies are mainly generated through manual judgment. However, manually designing or selecting anti-jamming decisions is often difficult and unreliable in complex jamming environments. Therefore...

  • Article
  • Open Access
1 Citations
1,862 Views
18 Pages

Industrial dispensing systems consist of many components, and the temperature characteristics of these components vary significantly. To address this, a segmented adaptive PID temperature control method is proposed in this paper. This method integrat...

  • Article
  • Open Access
549 Views
20 Pages

Surface defect detection on steel strips is a critical step in quality control for industrial products. While existing research has made some progress in optimizing annotation strategies and improving efficiency, issues such as feature aliasing durin...

  • Article
  • Open Access
1,068 Views
20 Pages

Design, Fabrication, and Electromagnetic Characterization of a Feed Horn of the Linear-Polarized Multi-Beam Cryogenic S-Band Receiver for the Sardinia Radio Telescope

  • Tonino Pisanu,
  • Paolo Maxia,
  • Alessandro Navarrini,
  • Giuseppe Valente,
  • Renzo Nesti,
  • Luca Schirru,
  • Pasqualino Marongiu,
  • Pierluigi Ortu,
  • Adelaide Ladu and
  • Francesco Gaudiomonte
  • + 5 authors

The S-band (i.e., 2–4 GHz) is essential in multiple fields of radio astronomy, ranging from pulsar and solar studies to investigations of the early universe. The Italian 64 m fully steerable Sardinia Radio Telescope (SRT) is a system designed t...

  • Article
  • Open Access
535 Views
21 Pages

Recognition of Dense Goods with Cross-Layer Feature Fusion Based on Multi-Scale Dynamic Interaction

  • Zhiyuan Wu,
  • Bisheng Wu,
  • Kai Xie,
  • Junqin Yu,
  • Banghui Xu,
  • Chang Wen,
  • Jianbiao He and
  • Wei Zhang

To enhance the accuracy of product recognition in non-store retail sales and address misidentification and missed detection caused by occlusion in densely placed goods, we propose an improved YOLOv8-based network: Dense-YOLO. We first introduce an en...

  • Article
  • Open Access
538 Views
33 Pages

The honey badger algorithm (HBA) has gained significant attention as a metaheuristic optimization method; however, despite these design strengths, it still faces challenges such as premature convergence, suboptimal exploration–exploitation bala...

  • Article
  • Open Access
734 Views
10 Pages

Highly Linear 2.6 GHz Band InGaP/GaAs HBT Power Amplifier IC Using a Dynamic Predistorter

  • Hyeongjin Jeon,
  • Jaekyung Shin,
  • Woojin Choi,
  • Sooncheol Bae,
  • Kyungdong Bae,
  • Soohyun Bin,
  • Sangyeop Kim,
  • Yunhyung Ju,
  • Minseok Ahn and
  • Gyuhyeon Mun
  • + 3 authors

This paper presents a highly linear two-stage InGaP/GaAs power amplifier integrated circuit (PAIC) using a dynamic predistorter for 5G small-cell applications. The proposed predistorter, based on a diode-connected transistor, utilizes a supply voltag...

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Electronics - ISSN 2079-9292Creative Common CC BY license