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480 articles for “LES”
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STUDY AND IMPLEMENTATION OF INP MIS STRUCTURE AND GaAs FET DEVICES for ELECTRIC CONTROL APPLICATIONS.
Abstract: Compound semiconductors are well known for its high speed due to its higher mobility. Indium Phosphide and Gallium Arsenide are the compound semiconductor material considered in this paper for its study and characterization. Indium Phosphide MIS devices can be fabricated and its characteristics are studied. Here Indium Phosphide MIS capacitor is used as test vehicle for fabrication of other MIS devices. We noted down its breakdown voltage and leakage current. …
Published in International Journal of Microelectronics and Digital integrated circuits · Vol. 2, Issue 2, 2016 · pp. 25–31 Read article
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Detection of Environment Ionization Radiation with GM Tube
Abstract: For environmental ionizing radiation hazard monitoring applications, very sensitive detector electronics has been developed. Experiments were performed using International Standard beta and gamma sensitive Mica window type GM Tube LND-712 from LND Inc. USA and Russian fast GM Tube with Aluminium energy compensated shield. Both tubes were operated with regulated DC high voltage power supply in the range of 300V to 500V range using Matsusada Japan make 1kV 5W programmable …
Published in International Journal of Microelectronics and Digital integrated circuits · Vol. 2, Issue 2, 2016 · pp. 15–19 Read article
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Enhanced Artificial Senses in Human The Smart Nose
Abstract: Human senses play a prominent role in one's everyday life, and it is the most basic function anyone can have in them. Not just humans but even animals have these sense, in fact we know that some animals like dogs and elephants have better sensing abilities than humans. It would have been fascinating if humans had better sensing abilities than dogs and could have been less dependent on animals in …
Published in International Journal of Microelectronics and Digital integrated circuits · Vol. 4, Issue 1, 2018 · pp. 1–7 Read article
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An Improvement of Out-of-Band Suppression in Common-Gate LNA with Transformer-Based Input Matching Network for BLE Applications
Abstract: The purpose of this paper is to improve out-of-band suppression in capacitive cross-coupling common-mode LNA with transformer-based input matching for BLE applications. Starting from an overview of the transformer-based matching network, the problematic issue is addressed through analytical considerations and its solution is presented. Transformer-based matching introduces an undesired peak response by an extra conjugate pole pair owing to the imperfect magnetic coupling of the transformer which degrades the suppression …
Published in International Journal of Microelectronics and Digital integrated circuits · Vol. 7, Issue 2, 2021 · pp. 9–23 Read article
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Design & Implementation of Parking System based on Microcontroller
Abstract: The development of smart cities has become very trendy in recent years. The IoT gadget that is deployed on-site as part of the suggested smart parking system is utilised to track and signalise the existence of a particular parking space. This research introduces a coordinated IoT-based architecture for an effective and simple method of parking the automobiles by determining the slots' availability. The IoT module used to monitor and signalise …
Published in International Journal of Microelectronics and Digital integrated circuits · Vol. 8, Issue 1, 2022 · pp. 19–25 Read article
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Quad-Band L-Shaped Slots Integrated Microstrip Patch Antenna for Radio Frequency Energy Harvesting Applications
Abstract: This study presents an L-shaped slots integrated Microstrip antenna for Radio frequency (RF) energy harvesting applications. It is designed on FR-4 Epoxy substrate material with the coverage of four bands (GSM-900, GSM-1800 Wi-Fi sources 2400, and 3300MHz frequency band allocated for WiMAX applications) of cellular communication. The proposed L-shaped slots antenna consists of four symmetric/asymmetric stubs and four symmetric L-shaped slots. L-shaped slots are integrated inside a square patch of …
Published in International Journal of Microwave Engineering and Technology · Vol. 4, Issue 2, 2018 · pp. 6–14 Read article
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Design and Analysis of Microstrip Filtenna for 2.4 GHz Applications and Measurement of SAR over Human Head Model
Abstract: ABSTRACTMultifunctional ability of modern devices leads to wideband frequency characteristics. A microstrip antenna is a considerable narrowband antenna and a method to increase its bandwidth as well as adding filtering property is studied. In this study models are developed for 2.4 GHz band applications using filtering antenna concept that increases the bandwidth of the antenna and allows it to work as a filter to improve its frequency selectivity. In the …
Published in International Journal of Microwave Engineering and Technology · Vol. 5, Issue 2, 2019 · pp. 30–42 Read article
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A Loop-based Microstrip Dipole Antenna for Operations at 1 GHz
Abstract: This paper proposes, designs, simulates, and analyses a novel microstrip dipole antenna design consisting of two identical loops for operations for a bandwidth centering around 1 GHz (namely the 0.5 GHz to 1.5 GHz bandwidth). This proposed design consisted of FR-4 being used as a substrate of a thickness of 1.6 mm and pure copper layers of 0.1 mm in height. It should be noted that this antenna design consisted …
Published in International Journal of Microwave Engineering and Technology · Vol. 7, Issue 2, 2021 · pp. 1–7 Read article
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Use of Machine Learning Algorithms in Power System Load Forecasting: A review
Abstract: The electrical load forecasting has become one of the most important fields of research for secured, efficient, accurate, reliable power dispatch and management. The main aim of load demand forecasting is to predict the load demand for accurate generation scheduling, system security and economic dispatch of load at any time. Many Authors have done research on the evaluation of load forecasting methods, to improve the accuracy of prediction. In load …
Published in International Journal of Microwave Engineering and Technology · Vol. 7, Issue 1, 2021 · pp. 23–30 Read article
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An Insight into Automatic Engine Locking Systems with Alcohol Detection
Abstract: In this research, we proposed an enhanced Arduino UNO-based alcohol detection method for use in a car's ignition locking system. The output is transformed into a readout that represents the breath alcohol level of the breath sample using a microcontroller. This study is utilised as a component of an overall ignition locking system for cars that forbids driving when inebriated. When a driver exceeds the legal limit after consuming alcohol …
Published in International Journal of Microwave Engineering and Technology · Vol. 8, Issue 2, 2022 · pp. 8–12 Read article
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Design CMOS Low Power High Speed Digital 4-Bit Counter at 45 GPDK Technology
Abstract: The low power VLSI circuit is meant to reduce power consumption, chip size, and improve the system'sbattery life and performance. The scaling design, often known as a counter, is used to increase ordecrease the values of an operator based on its prior state. Frequency and time may be monitoredthroughout the counting process. The main issue with scaling circuits is power consumption caused bypower dissipation in the clock while it is …
Published in International Journal of Microwave Engineering and Technology · Vol. 9, Issue 1, 2023 · pp. 40–51 Read article
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A Comprehensive Approach to Design and Implement a Fast FIR Filter for Signal Processing Applications
Abstract: Signal processing, communications, and computers all rely heavily on the field of digital signal processing (DSP). In DSP important application is Finite impulse response (FIR) filter. The initial objective of this inquiry is to present an approach for an improved framework of a FIR digital filter through the programme level to the hardware level. It influences the decision on design approaches, architecture, and the efficient use of hardware. The window …
Published in International Journal of Microwave Engineering and Technology · Vol. 9, Issue 1, 2023 · pp. 1–19 Read article
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Design of High Speed Parallel Prefix Adder Using Triple Carry Operator
Abstract: The parallel prefix adder (PPA) performs the addition operation for N-bit simultaneously. PPA enhances the processor's performance in terms of area and speed. Hence, PPA is considered an appropriate adder in the ALU unit of the processor. In this paper, a PPA with a triple carry operator (TCO) is proposed and compared with standard PPAs having the traditional carry operator. In TCO, the generate and propagate signals of N-bits of …
Published in International Journal of Microwave Engineering and Technology · Vol. 9, Issue 1, 2023 · pp. 20–30 Read article
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Simultaneous AC and DC Outputs Using Hybrid Converter Modeling
Abstract: The paper proposes a hybrid converter which supplies simultaneous DC and AC loads from a single DC input. The resulting hybrid converters require less number of switches increasing the reliability. Such multi-output converters with better power handling capability and reliability can be well suited for systems with simultaneous DC and AC loads. . The proposed converter, studied in this paper, is called Boost-Derived Hybrid Converter (BDHC) as it is obtained …
Published in International Journal of Power Electronics Controllers and Converters · Vol. 1, Issue 2, 2015 · pp. 1–6 Read article
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Single Phase Multistring Multilevel Inverter Topology for Distributed Energy Applications
Abstract: Distributed energy resources systems are little scale power generation used to give substitute arrangement or extra improvement of customary traditional electric power system. This paper is mostly focused on Single phase multilevel inverter for Distributed Energy Resources. The aim of this paper is to reduce switches with increase in multilevel outputs which intrinsically reduces the cost and harmonics. Seven level inverter requires six switches and thirteen level inverter requires 8 …
Published in International Journal of Power Electronics Controllers and Converters · Vol. 1, Issue 2, 2015 · pp. 25–36 Read article
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Asymmetrical Source Configuration of Multilevel Inverter on Solar PV System- A Review
Abstract: Solar energy is the best clean alternative energy resource. During shading condition arrays can be treated as an asymmetrical DC source for multilevel inverter, based on insulation level, sets of PV panels are formed to act as DC source. During shading condition, based on insulation level sets of PV panels are allocated to multilevel inverter to as asymmetric source. With the growing research in multilevel inverter there are many topologies …
Published in International Journal of Power Electronics Controllers and Converters · Vol. 2, Issue 1, 2016 · pp. 1–6 Read article
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Design and Enhanced the Parameters of Wide Band Miniaturized Wilkinson Power Divider
Abstract: In this paper a wide band Wilkinson power divider is designed and proposed by using innovative technique i.e. using patch on substrate without ground and size can be largely reduced by using lumped element i.e. resistance (100 Ω). The main focus on this power divider is very compact as much as possible in size and also power is equally divided. This Wilkinson power divider is working at resonant frequency 0-300MHz. …
Published in International Journal of Power Electronics Controllers and Converters · Vol. 3, Issue 1, 2017 · pp. 1–5 Read article
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Integrated Flyback Converter with MPPT Control for Photovoltaic Applications
Abstract: This study consists of the analysis and modeling of a maximum power point tracking (MPPT)-controlled flyback integrated converter for a photovoltaic system. Here MPPT is used to maximize power withdrawal under all certain conditions such as when the solar radiation is less. MPPT introduced in photovoltaic system also tracks the regularly fluctuating maximum power point. Buck-boost flyback integrated converter is used as a DC-DC converter in the proposed system. This …
Published in International Journal of Power Electronics Controllers and Converters · Vol. 4, Issue 2, 2018 · pp. 33–40 Read article
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Different Energy Efficiency Techniques for Coal Fired Power Plants
Abstract: Recent survey and studies on saving of electricity have concluded that the significant portion of electricity is being wasted due to improper use of electrical appliances, mainly in residential buildings and office buildings. The power plants using the old techniques which produce not only less efficient output but also lot of emission of harmful gases. Coal-fired plants are the major electricity supplier; at the same time, it is responsible for …
Published in International Journal of Power Electronics Controllers and Converters · Vol. 4, Issue 2, 2018 · pp. 16–25 Read article
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Mocking up of Thermal Power Plant for Better understanding of Load Frequency Control
Abstract: The integrated power system consists of control areas linked by tie lines to each other. The loads of the generator, station, and device are determined by the summation of different outputs of the thermal converter. Frequency is determined by the instrument form of the frequency bridge. Because this data is fed into a master controller, it can sense the need for more or less generation and send impulses to the …
Published in International Journal of Power Electronics Controllers and Converters · Vol. 5, Issue 2, 2019 · pp. 9–18 Read article