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40 articles for “RF electronics”
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T-π Network Simulation and Thevenin- Norton Equivalent Circuit Values From Laplace Description Using Pspice Software
Abstract: From the conversion methods of T-π (star-delta) for impedances circuits, the behavioral modeling of Pspice simulation program is used to obtain equivalent circuits using LAPLACE option. The conversions are verified for two types of circuits by obtaining AC values of voltages and currents at various nodes and branches using Pspice computer simulations. There are many ways of expressing Thevenin/Norton equivalent circuit parameters such as (a) as real numbers for pure …
Published in Journal of Semiconductor Devices and Circuits · Vol. 9, Issue 2, 2022 · pp. 43–58 Read article
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E-rationing System Using Microcontroller, RFID and GSM
Abstract: These papers represent the Literature Survey on E-Rationing Systems reveals the pivotal role of microcontroller, RFID, and GSM integration in modernizing ration distribution. The system employs RFID tags for beneficiary identification, ensuring efficient tracking and authentication during ration distribution. A microcontroller manages data processing and inventory control, while GSM communication enables real-time updates and notifications to authorities and beneficiaries. The proposed system aims to enhance transparency, reduce manual errors, and …
Published in Journal of Electronic Design Technology · Vol. 15, Issue 1, 2024 · pp. 25–30 Read article
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CONVERSION BETWEEN T-π OF NETWORKS USING PSPICE CIRCUIT SIMULATION
Abstract: Any passive network can be represented by their equivalent in either T-π (star-delta)model. From the conversion methods of T-π (star-delta) for resistive circuits, the behavioural modeling of Pspice simulation program, in which various mathematical equations could be represented by non-linear voltage/current dependent sources, is used to obtain equivalent circuits using DC option. The resistors are represented by their linear voltage/current relation. The zero voltage sources are used to measure currents …
Published in Journal of Semiconductor Devices and Circuits · Vol. 9, Issue 3, 2022 · pp. 9–14 Read article
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Short Review on Medical Applications of Particle Accelerators for Cancer Therapy
Abstract: AbstractThe cancer therapy by accelerators depends mainly on the following technologies: higher RF electron linear accelerator (linac); optimization of proton linac; synchrotron, cyclotron; superconducting magnet; and principles of laser. Firstly, the medical accelerators are described as a set of high RF linacs, synchrotrons, cyclotrons and superconducting magnets. Secondly, the medical accelerators are described as a set of accelerators applying the principles of laser. This short review will be helpful to …
Published in Journal of Nuclear Engineering & Technology · Vol. 7, Issue 3, 2017 · pp. 9–11 Read article
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Advancing UAV Video Transmission: A Full-Duplex System with RF and Signal Processing for Reliable, Long-Range HD Communication
Abstract: Unmanned aerial vehicles (UAVs) have transformed industries by enabling advanced aerial imaging and data collection. However, transmitting high-definition (HD) video from UAVs to ground stations poses challenges such as limited range, bandwidth constraints, and interference. This paper presents the development of an HD, full-duplex video transmission system using cutting-edge electronic technologies, including advanced radio frequency (RF) systems and signal processing. These electronic systems are designed to ensure fast, reliable, and …
Published in International Journal of VLSI Circuit Design & Technology · Vol. 2, Issue 2, 2024 · pp. 38–45 Read article
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Experimental Investigations to Improve the Electrical Characteristics of Nitride-Based Nanoelectronic High Electron Mobility Transistors
Abstract: In this work, the DC and RF performances of conventional nanoelectronic high electron mobility transistor (HEMT) are compared with those of two individually modified HEMT structures in a nano-scale regime. All simulation results are produced by the SILVACO- ATLAS physical simulator according to the performed designs of HEMT structures. In each of these HEMT structures, the formation of quantum well is demonstrated at unbiased condition. In the DC analysis of …
Published in Journal of Semiconductor Devices and Circuits · Vol. 8, Issue 1, 2021 · pp. 14–30 Read article
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A Comprehensive Review of CMOS Analog Circuit Design Techniques for Low-Power VLSI Systems
Abstract: CMOS analog circuit design plays a significant role in the development of modern low-power Very Large-Scale Integration (VLSI) systems used in wireless communication, biomedical devices, portable electronics, embedded systems, and Internet of Things (IoT) applications. Research on low-power CMOS analogue design methodologies has intensified because to the growing need for high-performance, small, and energy-efficient electronic products. However, reducing power consumption while maintaining signal accuracy, noise performance, stability, bandwidth, and overall …
Published in International Journal of VLSI Circuit Design & Technology · Vol. 4, Issue 1, 2026 Read article
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Rocker Bogie System using RF Communication
Abstract: AbstractThe rocker-bogie system is a robot that can travel in rough terrain. Its mechanism helps in maintaining stability. It is a multispecialty robot that can be used for various applications. The use of Rocker-Bogie mechanism helps in maintaining the balance of the robot which is used to travel on an uneven surface, usually called as an All-Terrain Vehicular Robot. The conditions preferably needed for the robot to work are in …
Published in Journal of Electronic Design Technology · Vol. 10, Issue 2, 2019 · pp. 22–29 Read article
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Improving Healthcare Outcomes with RF-enabled Health Information Systems
Abstract: Health Information Technology (HIT) plays a crucial role in improving healthcare by making medical data more accessible, accurate, and efficient. Using radio frequency (RF) technology, HIT enables the wireless sharing of important health information—like patient records, and treatments—between patients, doctors, and other healthcare providers. This helps reduce paperwork, cut costs, and improve the quality of care. By reducing the reliance on paper-based records, RF-based HIT helps streamline administrative processes, cut …
Published in International Journal of Radio Frequency Innovations · Vol. 3, Issue 1, 2025 · pp. 8–13 Read article
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RFID-based Automated Toll Collection System
Abstract: AbstractElectronic Toll Collection (ETC) is a technology that allows for electronic payment of tolls. One of the most efficient ETC technologies is the RFID technology. RFID-based ETCs permit swift tax collections on-the-go, thereby alleviating the delay problems associated with manual tollbooths. RFID systems make use of RFID readers, RFID tags and a processing system to provide seamless tax collection at tollbooths. RFID-based ETCs are very cost-effective because they are completely …
Published in Journal of Communication Engineering & Systems · Vol. 9, Issue 2, 2019 · pp. 106–110 Read article
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RF Energy Harvesting Techniques for Wireless Sensor Networks
Abstract: In contemporary applications like environmental monitoring, healthcare systems, industrial automation, agriculture, military surveillance, and smart cities, Wireless Sensor Networks (WSNs) are crucial. However, the limited battery life of sensor nodes remains a major challenge because many sensor devices are deployed in remote or difficult-to-access locations. Frequent battery replacement or recharging increases maintenance cost, reduces network reliability, and limits long-term operation. In contemporary applications like environmental monitoring, healthcare systems, industrial automation, …
Published in Recent Trends in Sensor Research & Technology · Vol. 13, Issue 2, 2026 Read article
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Review of IoT Based Smart Housekeeping Robot
Abstract: AbstractThis project has reviewed and implemented an internet of things (IoT) based indoor mobile robot. The robot is used for the housekeeping service through wireless fidelity (Wi-Fi) and called as “smart housekeeper”. The aim of the project is to implement IoT technology for housekeeping robot working as smart. The robot is equipped with wheel structure, camera holding structure and arm lifting machinery. It applies ATmega32 as the main controller and …
Published in Recent Trends in Electronics Communication Systems · Vol. 5, Issue 1, 2018 · pp. 1–6 Read article
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RFID BASED PROTOTYPE DEVELOPMENT OF IMMOBILIZER FOR TWO WHEELER VEHICLE SECURITY
Abstract: An immobilizer is an electronic device fitted to an automobile which prevents the engine from running unlessthe vehicle has the proper access to it. The main use of this system is to protect the vehicle from being stealthas it deactivates the engine. The immobilizer security system is mainly seen in four wheeler vehicles. Thesame idea can be implemented for 2 wheeler vehicles which are in huge number in countries like …
Published in Journal of Control & Instrumentation · Vol. 1, Issue 1-2-3, 2011 · pp. 44–49 Read article
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DC and RF Analysis on Specific Quantum-Well Heterostructures
Abstract: Polarization-graded AlGaN back-barrier nano-layer is introduced in high electron mobility transistor (HEMT) structure to have an improved drain current characteristics and better radio-frequency performance, using two-dimensional drift-diffusion simulation by SILVACO-ATLAS physical simulator. In this work, the AlGaN/AlN/GaN/AlGaN/GaN double heterojunction HEMT structure is optimised with graded back barrier layer to study the DC and RF performances. Investigation of this structure with graded back barrier layer is the novelty of this work. …
Published in Journal of Semiconductor Devices and Circuits · Vol. 9, Issue 1, 2022 · pp. 1–13 Read article
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Internet of Things based Car Parking System using ESP- 32 and Blynk
Abstract: The security of the vehicles at the populated places has always been an area of concern. At many crowded places where a number of vehicles enter and exit every day, the security has to be taken into account so that chaos is reduced by using an efficient model. This paper shows the implementation of an Internet of Things based car parking system which consists of electronic components such as infrared …
Published in Current Trends in Signal Processing · Vol. 12, Issue 1, 2022 · pp. 21–28 Read article
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Properties of ZnO Thin Film deposited on Flexible Substrate using RF Sputtering
Abstract: Semiconductor materials demand is increased in recent years, due to new emerging technologies. There is need to find the alternate for silicon in electronics industry, as silicon is brittle in nature and has low efficiency, which makes it unsuitable for transparent and flexible device. Zinc oxide (ZnO) is emerging as popular choice of researchers due to its wide range of properties, abundancy and non-toxicity. This work explores the properties of …
Published in Journal of Polymer & Composites · Vol. 12, Issue 4, 2024 · pp. 50–56 Read article
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Implementation and Impact of RFID in Library Management Systems
Abstract: This system relies on UHF RFID scanners at the gate and transaction section, which are supported by antennas and RFID transceivers embedded in library cards. These devices allow information to be electronically stored and read/written using radio waves without the need for physical interaction. It does not require manual input and instantly sends information about books and library users to the library's management system. It has a record-keeping and search …
Published in International Journal of Solid State Innovations & Research · Vol. 1, Issue 1, 2023 · pp. 20–25 Read article
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Current Controlled Oscillator Using FinFET
Abstract: A current-controlled oscillator using 18 nm FinFET technology is proposed in this study which consists of a Current Controlled Differential Difference Current Conveyor (CCDDCC) block to control the current. FinFET technology has better scalability and lower leakage current compared to traditional CMOS, which allows it to surpass the obstacles faced by CMOS-based oscillators. The suggested oscillator is suitable for electronic applications such as Phase-Locked Loop (PLL) systems, radio frequency (RF) …
Published in Journal of Semiconductor Devices and Circuits · Vol. 12, Issue 3, 2025 · pp. 17–28 Read article
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Radio Frequency Energy Harvesting Using Microstrip Antenna
Abstract: In this paper, an antenna for energy harvesting in radio frequency range has been studied. The presented microstrip antenna gives good return loss obtained for wide range of applications in RF region ranges from 2.33 to 6.68 GHz. The anticipated antenna is best suitable to receive the RF energy from the environment that can be used to charge the electronic devices. The simulations of the proposed antenna were carried using …
Published in Journal of Telecommunication, Switching Systems and Networks · Vol. 4, Issue 3, 2017 · pp. 12–15 Read article
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An Electronic System for Real-time Tracking Management System Using GPS, GPRS, Location, Google Earth and Maps
Abstract: AbstractThis paper is specialised in developing associate degree sweetening of the vehicle alarm security system via SMS. The system can manipulate an itinerant to send SMS (Short Message Service). The SMS is sent for victimisation to the options offered within the mobile. The study of telecommunication is a motivating field which involves digital signal process, signal and systems, programming etc. It helps to improvise the technology into daily use. During …
Published in Recent Trends in Electronics Communication Systems · Vol. 7, Issue 1, 2020 · pp. 1–5 Read article