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1339 articles for “electronic”
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Design and Implementation of Low Power 8-bit Level Crossing ADC
Abstract: Implantable medical devices, electronic gadgets, wireless communication elements and many other such applications require low power electronic circuits. Analog to digital converters are essential part of most of such circuits. This paper presents a design of the level crossing analog to digital converter (LC-ADC) architecture. The proposed circuit and layout has been implemented in semi-conductor laboratory (SCL) 180 nm technology and its performance was evaluated using cadence virtuoso at supply …
Published in Journal of VLSI Design Tools and Technology · Vol. 6, Issue 2, 2016 · pp. 33–43 Read article
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Wilson Current Mirror Based Energy Efficient Level Shifter
Abstract: AbstractLevel shifter plays a key role in modern electronics circuits in order to have higher efficiency. A circuit may contain parts that are working at two voltage levels. So a level shifter converts a subthreshold voltage level to a threshold voltage level. Multivoltage systems utilize the advantage of level shifters. Here, modified Wilson current mirror is used for obtaining level shifted output. Measurement results were demonstrated by using Cadence tools.Keywords: …
Published in Recent Trends in Electronics Communication Systems · Vol. 5, Issue 3, 2018 · pp. 32–37 Read article
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Harmonics Analysis of Single Phase VSI with 5-level and 7-level Inverter
Abstract: Abstract: The conventional two-level inverter is most commonly used for AC drive systems. The inverter produces harmonics, which will cause heating of the power electronic devices as well as load and deteriorate the life of it. Thus, anyhow harmonics should be suppressed or removed, the most common or well-known method to filter out harmonics are introduction of various filters between inverter and load according to requirements. The filters are mainly …
Published in Recent Trends in Electronics Communication Systems · Vol. 6, Issue 1, 2019 · pp. 16–23 Read article
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Role of Hybrid Controller Based FACTS Devices in Relieving Power Crisis
Abstract: The power crisis is a global concern for research and development engineers. These issues may be summarized manifold. These issues may be sudden outage/ failure of power system network, considerable power loss on the line, the voltage flickers, lack of proper equipment’s to monitor and protection, presence of significant harmonic level in the line that affects the performance of the equipment connected to line. Some of these issues may persist …
Published in Recent Trends in Electronics Communication Systems · Vol. 9, Issue 1, 2022 · pp. 1–10 Read article
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Design of Universal Coil for Medium Voltage Switchgear
Abstract: In the market, currently multiple ratings of D.C. voltages are available for the auxiliary supply of medium voltage switchgear. There is a wide range of D.C. supplies used in the medium voltage segment like 24 V, 30 V, 48 V, 60 V, 110 V, 125 V and 220 V. Normally the closing coil and tripping coil of a circuit breaker are designed for a specific auxiliary supply voltage which leads …
Published in Recent Trends in Sensor Research & Technology · Vol. 4, Issue 2, 2017 · pp. 26–30 Read article
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IoT Based Weather Monitoring System
Abstract: AbstractThe IoT Technology provided in this paper is a well option for surveillance the weather data at a particular region and make the data visible anywhere in the world. The idea behind this is Electronic sensors connected to the Public Internet by using IoT technology. The data fetched from the embedded system can be accessible over the internet from anywhere in the world. In some area it will be very …
Published in Recent Trends in Sensor Research & Technology · Vol. 7, Issue 2, 2020 · pp. 12–16 Read article
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Gas Leakage Alert and Fire Detection System Using GSM Module
Abstract: As we know that LPG (Liquefied Petroleum Gas) is a common source of fuel that can be found in every household for cooking and various other purposes but in recent years, there has been an increase due to LPG leakage. Leakage of gas and home fires are the cause of loss in both material and human life. Gas leakage can cause various accidents by suffocation, firing, and explosion. As you …
Published in Recent Trends in Sensor Research & Technology · Vol. 8, Issue 2, 2021 · pp. 1–7 Read article
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Types and Applications of Chemochromic Sensors
Abstract: Smart materials, also known as responsive or intelligent materials such as chemochromic materials changes colour upon exposure to a different environment or when react with different chemicals. Chemo chromic sensors are specially designed for robustness and can be used for leak detection in the vicinity of connections, valves, or Hydrogen line outlets. They can be altered, nevertheless, for a variety of uses. These are the materials whose colors and reflective …
Published in Recent Trends in Sensor Research & Technology · Vol. 10, Issue 2, 2023 · pp. 17–22 Read article
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Electrical Data Monitoring, Controlling and Power Factor Correction Using PIC18F458
Abstract: Nowadays, the power quality of the AC system has become of great importance due to the rapidly increased in electronic equipment, power electronics devices and high voltage power system equipment. Commercial and domestic industries in the country have large electrical loads which are generally inductive in nature causing lagging power factor which gives high penalties to the consumer by electricity board. Power factor correction is the absorbing capacity of the …
Published in Trends in Electrical Engineering · Vol. 8, Issue 2, 2018 · pp. 33–38 Read article
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Power Factor Correction Using Parallel Boost Converter
Abstract: Power factor, the ratio between the active or average power and the apparent power forms a very essential parameter of the power system. It is indicative of how effectively the active power of the system has been utilized. With rapid development in power semiconductor devices, the usage of power electronic systems has expanded to a new and wide application range that include residential, commercial, aerospace and many others. Power electronic …
Published in Trends in Electrical Engineering · Vol. 5, Issue 3, 2015 · pp. 71–88 Read article
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A New Nine Level Hybrid Multilevel Inverter
Abstract: Multilevel inverters (MLI’s) have been used widely for high power and medium power DC-AC conversion. Researchers are working to reduce total effective cost and enhance the working efficiency of the multilevel inverter. This paper presents a new multilevel hybrid inverter which utilizes eight active powers electronics switches along with asymmetric DC voltage source configuration to synthesize 9-level waveform and produces lower total harmonic distortion (THD) profile comparisons to present typical …
Published in Trends in Electrical Engineering · Vol. 6, Issue 1, 2016 · pp. 17–25 Read article
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Simulation Results of Harmonic Compensation by Using PQ Based PI Controller for Grid Connected Current Controlled DG Unit
Abstract: With the development of new technologies and electronic devices, one of the main topics of special concern is the aspect of power quality, amongst which control and prediction of harmonics are of utmost importance. The presence of harmonics caused by nonlinear loads which are common in industrial plants and large scale office buildings means a threat to the sensitive equipments like that of computers, adjustable speed drives, power electronics load …
Published in Trends in Electrical Engineering · Vol. 6, Issue 2, 2016 · pp. 64–72 Read article
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A Review on Parasitically Coupled and a Direct Coupled Feed for a Microstrip Antenna Array
Abstract: Due to modern electronics, small size electronic systems have been increasing in integrated circuits and the physical size of systems is reduced. Hence, demand of small and low cost antennas has increased. Microstrip or patch antenna provides the lightweight, not expensive, and integration is easy. Microstrip antennas or patch antennas are one of the most attractive antennas for integrated systems and are widely used in wireless communication systems. This paper …
Published in Journal of Communication Engineering & Systems · Vol. 8, Issue 1, 2018 · pp. 15–18 Read article
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Use of Information and Communication Technology| by Medical Students: A Study of Central Library of CUSMCH
Abstract: AbstractThe use of information and communication technology (ICT) has become most influential and swift segment in library and information services. This study outlines the use of ICT by medical students and find out the significance of latest technology in central library. Presently, uses of electronic media and technologies are increased notably in healthcare profession, education and research. Medical students are often using ICT for an access to the library resources …
Published in Journal of Communication Engineering & Systems · Vol. 4, Issue 3, 2014 · pp. 18–25 Read article
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Server Based Operating System (OS) Research Direction for Future Smart World Using Internet of Things
Abstract: AbstractCommunication and data processing over Internet has become a research issue to the researchers of Internet of Things (IoT). Cloud computing is already familiar at present. Cloud computing offers servers, storage, databases, networking, software, analytics and more, over the Internet (“the cloud”). Companies offering these computing services over Internet (“the cloud”) and typically, charge for cloud computing services based on usage, similar to how you are billed for water or …
Published in Journal of Computer Technology & Applications · Vol. 8, Issue 2, 2017 · pp. 26–32 Read article
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Power Estimation Approach for Artix 7 FPGA using Machine Learning Technique
Abstract: Abstract This paper presents the power estimation approach using a suitable machine learning technique. Artix7 FPGA has been chosen as the target FPGA (Field Programmable Gate Arrays) platform for understanding the methodology of power estimation. There are various approaches of power estimation for FPGAs that have been given in the literature viz. probabilistic, statistical, and LUT-based, etc. In the past few years, the demand for hand-handled devices like smartphones, tabs, …
Published in Research & Reviews: A Journal of Embedded System & Applications · Vol. 9, Issue 1, 2021 · pp. 1–5 Read article
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Surface Structure of Hydroxyl Apatite from Fluorosis Enamel
Abstract: Fluorosis is a condition due to ingestion of excessive amounts of Fluor that can cause the change in teeth structure and strength. Currently, a poor explanation was available to describe the surface structure of crystal hydroxylapatite that contributes to influence the macro characteristic of fluorosis enamel. The objective of this research is to describe the surface structure of crystal hydroxylapatite (HA) in fluorosis enamel. Scanning Electron Microscopy/ Energy Disperse X-Ray …
Published in Research and Reviews: A Journal of Dentistry · Vol. 2, Issue 1-3, 2011 · pp. 60–68 Read article
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Electromagnetic Fields (EMFs) and Cellular Phones: Controversy over Oral Carcinoma
Abstract: All electrical and electronic devices, anywhere where electricity (electrons) flows through wire, set up magnetic fields (EMFs=low frequency electromagnetic fields). Generation of EMFs occurs when there is any significant flow of electricity. EMFs are alternating fields that center on frequencies up to 300 Hz (radiation in the microwave range). The risk from EMFs occurs from significant exposure from high-voltage power lines or in substation transformers, microwave ovens, cellular phones, appliances …
Published in Research and Reviews: A Journal of Dentistry · Vol. 6, Issue 3, 2015 · pp. 13–17 Read article
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Application of Cholesteric Liquid Crystals in Oncology, Music Color Device and for Indication of Sorption Process
Abstract: The cholesteric liquid crystal films were used on the basis of the property of cholesteric liquid crystals under the change of the temperature to change their color, and the developed device for diagnostics of breast cancer that easy and productively permits to conduct the diagnostics with the high accuracy of colored image of benign or malignant tumor; the developed music color device, which permits to “revive” by the different colors …
Published in Research and Reviews: Journal of Oncology and Hematology · Vol. 7, Issue 3, 2018 · pp. 1–11 Read article
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Rotenone Beyond Just An Insecticide: A Review
Abstract: Pesticides have received the most attention due to their global application and widespread implications on human health. In recent years, both epidemiological and toxicological studies have provided evidence that pesticides have the potential to act as toxicants contributing to the development of pathogenesis such as neuronal degenerations as well as may be utilized to induce signalling for reversal, suppress or prevent carcinogenic progression. Rotenone, an isoflavones naturally found in the …
Published in Research and Reviews: A Journal of Toxicology · Vol. 4, Issue 2, 2014 · pp. 8–13 Read article