Browsing Moksliniai ir apžvalginiai straipsniai / Research and Review Articles by Faculty "Elektronikos fakultetas / Faculty of Electronics"
Now showing items 1-20 of 1209
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0.13 μm CMOS traveling-wave power amplifier with on- and off-chip gate-line termination
(Electronics, 2020)Broadband amplifiers are essential building blocks used in high data rate wireless, radar, and instrumentation systems, as well as in optical communication systems. Only a traveling-wave amplifier (TWA) provides sufficient ... -
0.18 μm CMOS power amplifier architecture comparison for a wideband Doherty configuration
(Informacije MIDEM - Journal of Microelectronics, Electronic Components and Materials, 2016)This paper presents a comparison between a classical and a self-biased two stage CMOS power amplifier (PA) suitable for a wideband Doherty (DPA) configuration. Both PAs are fully differential and have been implemented in ... -
2D Vernier žiedinio laikinio skaitmeninio keitiklio modelis
(Mokslas – Lietuvos ateitis: Elektronika ir elektros inžinerija - 2018 = Science – future of Lithuania: Electronics and electrical engineering - 2018, 2018)Darbe aprašomas 2D Vernier žiedinio laikinio skaitmeninio keitiklio (LSK), skirto fazės detektoriui visiškai skaitmeninės struktūros dažnio sintezatoriuje, modelis, įgyvendintas vartojant VHDL aparatūros programavimo kalbą. ... -
3-D modeling of nanostructures evolution in lateral etching processes
(Mechanika, 2008)We have developed 3-D model of evolution of the nano- and microstructures geometry in lateral etching processes. The modeling results for the different initial geometry structures are presented. The experimental inves-tigations ... -
5G standalone and 4G multi-carrier network-in-a-box using a software defined radio framework
(Sensors: Special issue: Experimentation in 5G and beyond networks: State of the art and the way forward, 2021)In this work, an open Radio Access Network (RAN), compatible, scalable and highly flexible Software Defined Radio (SDR)-based Remote Radio Head (RRH) framework is proposed and designed. Such framework can be used to implement ... -
65 nm KMOP technologijos histerezinio komparatoriaus projektavimas
(Mokslas – Lietuvos ateitis = Science – future of Lithuania: elektronika ir elektrotechnika = Electronics and electrical engineering, 2014)Komparatorius yra vienas iš pagrindinių elektronikos įtaisų. Jis yra naudojamas kaip diskretinis elementas arba kaip viena iš sudėtingesnės sistemos sudedamųjų dalių. Šie įtaisai dažnai veikia elektronikos sistemose, kuriose ... -
A 3.0 – 3.6 GHz LC-VCO with ETSPC Frequency Divider in 0.18-micron CMOS technology
(Informacije MIDEM - Journal of Microelectronics, Electronic Components and Materials, 2016)This paper proposes the design, implementation, and measurement of a fully integrated voltage controlled oscillator (VCO) and frequency divider for multi-band transceivers in 0.18-micron IBM 7RF CMOS technology. The VCO ... -
A 79 dBΩ 1.2 GHz low-noise single-ended CMOS transimpedance amplifier for high-performance OTDR applications
(Electrical, control and communication engineering, 2019)The work reports on the design and performance of a low-noise low-cost CMOS transimpedance amplifier (TIA). The proposed circuit shall be employed in optical time-domain reflectometers and is implemented using an affordable ... -
A current spectrum-based algorithm for fault detection of electrical machines using low-power data acquisition devices
(Electronics: Advanced Fault Detection, Diagnosis and Prognosis in a Context of Renewable Power Generation, 2023)An algorithm to improve the resolution of the frequency spectrum by detecting the number of complete cycles, removing any fractional components of the signal, signal discontinuities, and interpolating the signal for fault ... -
A design methodology for programmable-gain low-noise TIA in CMOS
(Journal of electrical engineering-Elektrotechnický časopis, 2021)The work reports on the design of an area-efficient inductor-less low-noise CMOS trans\-impedance amplifier suitable for entry-level optical time-domain reflectometers. The work suggests a novel approach for implementing ... -
A fully automatic stitching of 2D X-ray images
(Elektronika ir elektrotechnika, 2007)Problems of the stitching one big image out of several smaller image fragments are being solved in this paper. Proposed methodic, for the fully automatic stitching of two-dimensional computer radiographs. Methodic is based ... -
A hybrid tactile sensor-based obstacle overcoming method for hexapod walking robots
(Intelligent service robotics, 2021)Walking robots are considered as a promising solution for locomotion across irregular or rough terrain. While wheeled or tracked robots require flat surface like roads or driveways, walking robots can adapt to almost any ... -
A method for automatic image rectification and stitching for vehicle yaw marks trajectory estimation
(PROMET - Traffic&Transportation, 2016)The aim of this study has been to propose a new method for automatic rectification and stitching of the images taken on the accident site. The proposed method does not require any measurements to be performed on the accident ... -
A method for continuous tuning of MOSFET–RC filters with extended control range
(Journal of electrical engineering-Elektrotechnický časopis, 2016)In this paper a tuning structure for a MOSFET?RC filters is pre sented. The proposed tuning structure is composed of switched resistor banks with voltage controlled transis tors. The voltage controlled transistors use ... -
A method of optimizing characteristic impedance compensation using cut-outs in high-density PCB designs
(Sensors, 2022)The modern era of technology contains a myriad of high-speed standards and proprietary serial digital protocols, which evolve alongside the microwave and RF realm. The increasing data rate push the requirements for hardware ... -
A methodology improving off-chip, lumped RF impedance matching network response accuracy
(Electronics, 2018)Impedance matching is concurrent with any radio frequency (RF) circuit design and is essential for maximizing the gain and efficiency while minimizing the noise of high-frequency amplifiers as well as some mixer topologies. ... -
A new approach for the successful team building in VLSI design projects
(International Journal of Engineering Education, 2017)The functionality and complexity of modern electronic systems increases every year and poses new challenges not only to the industry, but to universities as well. Due to such a rapid development of complex electronics ... -
A new game for future Wi-Fi spectrum sharing
(Elektronika ir elektrotechnika, 2017)This article offers a vision for moving on from the paradigm of \"constrained politeness\" that has long governed Wi-Fi access to a shared spectrum - as embodied by the CSMA/CA mechanism and restricted EIRP limits. Instead, ... -
A new method for adaptive selection of Self-Organizing Map self-training endpoint
(Baltic journal of modern computing (BJMC), 2015)The paper presents a new method for adaptive selection of Self-Organizing Map (SOM) self-training endpoint. A method is based on the estimation of the newly introduced parameter init and the learning depth parameter. In ... -
A review of advanced CMOS RF power amplifier architecture trends for low power 5G wireless networks
(Electronics, 2018)The structure of the modern wireless network evolves rapidly and maturing 4G networks pave the way to next generation 5G communication. A tendency of shifting from traditional high-power tower-mounted base stations towards ...