Search
218 articles for “Power gain”
-
A Low Power Variable Gain Amplifier for Biomedical Application
Abstract: This paper describes the design and simulation of low power variable gain amplifier used for biomedical application like hearing aid, Electronic Cardiograph and neural recording system. The MOS transistor is designed to operate in subthreshold region for low power application. The gain of amplifier is changed by selecting different values of input capacitor in the frequency range of 20 Hz–20 KHz. The simulated total power dissipation is 3µW. The gain …
Published in Journal of VLSI Design Tools and Technology · Vol. 4, Issue 3, 2014 · pp. 7–12 Read article
-
A Novel Antenna Design based on a Single UC-PBG Layer of High Gain for Wireless Power Transfer
Abstract: In this study, a brand-new, highly effective antenna design is put forth to provide a directional radiation pattern with a small beam width for wireless power transfer. The proposed antenna is constructed from a cross-shaped patch of square holes. A favorable eclipse is paired with the antenna patch to provide circular polarization-symmetrical radiation. A symmetrical quadrature stare-shaped unit cell has a uniform compact photonic bandgap layer (UC-PBG) on top of …
Published in Journal of Microwave Engineering and Technologies · Vol. 9, Issue 3, 2022 · pp. 8–19 Read article
-
Fabrication and Performance Analysis of Automatic Dual-axis Sun Tracking System using LDR Sensors
Abstract: Solar energy is experiencing exponential growth as a viable technique of increasing renewable energy resources. Engineers need to be versed with the innovation used in this domain.Since the solar array can remain oriented to the sun, solar tracking enables considerably increased power generation. A dual-axis solar tracker can track the Sun's radiation on both horizontal andvertical axes at the same time. They work on the same concept as astronomical telescope …
Published in Journal of Mechatronics and Automation · Vol. 9, Issue 3, 2022 · pp. 37–48 Read article
-
Study and Review of High Gain DC-DC Converters for Renewable Power Applications
Abstract: This paper offers a thorough investigation of non-isolated high gain DC-DC converters, specifically designed for their applicability in renewable power systems. These converters demonstrate versatility and efficacy in various domains, including renewable energy applications, DC microgrids, and electric vehicle power management. This study explores their characteristics and advantages in depth, shedding light on their potential for addressing the evolving demands of modern energy systems. Renewable energy systems, such as solar …
Published in Journal of Power Electronics and Power Systems · Vol. 13, Issue 3, 2023 · pp. 1–8 Read article
-
High Gain High Efficiency Single Switch DC–DC Converter for Green Power Source Conversion
Abstract: Efficiency of solar cell is very low and it is preferred to be operated at low voltages; so it is difficult to supply power to a certain load. Conventional boost converter offers limited gain. So a high voltage boosting is needed. Proposed converter consists of coupled inductor and switched capacitor technique to achieve high gain without high duty ratio and turns ratio. In the magnetic field of coupled inductor and …
Published in Journal of Power Electronics and Power Systems · Vol. 8, Issue 3, 2018 · pp. 46–56 Read article
-
High Voltage Gain Transformerless Boost Converter
Abstract: In this paper, a high voltage gain transformerless boost converter is proposed. The voltage gain of the proposed converter is higher than that of the traditional boost and three level boost converters. With appropriate duty cycle, high output voltage can be obtained. The proposed converter have higher conversion ratio. Low voltage stress and current stress across the power switch can be achieved. The working principle and the mathematical analysis of …
Published in Recent Trends in Electronics Communication Systems · Vol. 6, Issue 2, 2019 · pp. 13–21 Read article
-
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
-
Effects of EDFA Parameters on the Performance of A 4-Channel CWDM Optical Communication System
Abstract: AbstractIn this work, the performance of EDFA has been analyzed in Conventional band (C- band) based on its three types of application system i.e. pre-amplifier, post-amplifier and inline amplifier system. To check the performance for these three application system, a 4-channel Coarse Wavelength Division Multiplexing (CWDM) system has been designed using EDFA with optical CWDM fiber. By varying the length and numerical aperture (NA) of EDFA, different factors such as …
Published in Trends in Opto-electro & Optical Communication · Vol. 4, Issue 2, 2014 · pp. 33–38 Read article
-
Micro Steam Turbines for Hybrid Power Source Vehicles
Abstract: The paper describes a new hybrid power system for vehicles consisting in an Internal Combustion Engine (ICE) plus a micro steam turbine (MST) that supplies energy to an electric motor. The result of this hybridization is a reduction in fuel consumption and an improvement in performance efficiency. The micro steam turbine unit uses the released thermal energy from the ICE to generate water vapor flow, which is accelerated in a …
Published in Journal of Automobile Engineering and Applications · Vol. 11, Issue 1, 2024 · pp. 9–17 Read article
-
Multinomial classification Identification for Domestic Violence Virtual Posts Based on Improved Convolution Neural Network (ICNN)
Abstract: AbstractDomestic violence isn’t only about the physical violence but further any conduct the purpose of which is to gain power and manage over a spouse, partner, girl/boyfriend or intimate own circle of family member which leads to the violation of human rights. Through the web-based networking media domestic violence crisis support (DVCS) have demonstrated fundamental help directions to abused people and their families. The unrivaled outcomes in online content description …
Published in Journal Of Network security · Vol. 8, Issue 3, 2020 · pp. 1–10 Read article
-
Design Optimization of C-Band 4-Channel WDM Optical Communication System using EDFA
Abstract: AbstractIn this work, the design and experimental characterization of high performance C band Erbium Doped Fiber Amplifier (EDFA) booster which is pumped at 980 nm are presented. The system is simulated using Optisystem software to achieve gain flatness of EDF through optimized fiber length and pumping wavelength. The performance of the system is more efficient at the pumping wavelength of 980 nm than that of 1480 nm for a wide …
Published in Trends in Opto-electro & Optical Communication · Vol. 4, Issue 2, 2014 · pp. 1–8 Read article
-
Reliability-Aware Mathematical Model for Radiation-Hardened Satellite Communication Systems
Abstract: Satellite communication systems operate in radiation environments in which total ionizing dose (TID), displacement damage, and single-event effects (SEE) can progressively degrade electronic, optoelectronic, and communication components and can ultimately reduce link availability and mission reliability. This paper develops a Reliability-Aware Radiation-Hardened Satellite Communication Model (R-RHSCM) that mathematically couples the orbital radiation environment, accumulated radiation dose, component degradation, communication-link performance, single-event failure probability, redundancy, thermal effects, and adaptive mitigation. The …
Published in Research & Reviews : Journal of Space Science & Technology · Vol. 15, Issue 2, 2026 Read article
-
A study on CMOS Operational Amplifier in Sensor Development
Abstract: CMOS operational amplifiers (op-amps) have emerged as pivotal components in modern sensor development, enabling the amplification and conditioning of weak signals with high precision and efficiency. Their inherent advantages low power consumption, compact size, and seamless integration with digital circuits make them ideal for advancing miniaturized, battery-powered sensor systems in fields ranging from biomedical devices to IoT networks. By delivering precision, power efficiency, and integration, CMOS op-amps are not just …
Published in Journal of VLSI Design Tools and Technology · Vol. 16, Issue 1, 2026 · pp. 01–07 Read article
-
Effects of Variation of Differential Gain and Injection Current on the Performance Characteristics of the Designed 405 nm MQW Violet Laser
Abstract: AbstractIn this work the Designing and Performance Analysis of a 405 nm InGaN based multi quantum well (MQW) Violet Laser have been presented. The internal designing of 405nm Violet Laser has been done with appropriate calculation. The desired wavelength of 405nm was obtained by adjusting the exact concentration of In0.0979Ga0.9021N / Al0.07Ga0.93N. The effects on Rate Equations by varying the differential gain and Injection current have been observed. Also the …
Published in Trends in Opto-electro & Optical Communication · Vol. 4, Issue 1, 2014 · pp. 13–22 Read article
-
Design of Folded Cascode Amplifier for SCL 180 nm Technology Node for Low Power Applications
Abstract: In this paper, a design and simulations of a Folded Cascode Amplifier at an SCL 180 nm Technology has been done and the different way to implement the design for a given specification has also been clearly demonstrated. The given design also clearly indicates the way to improve the various design parameters for a given specification of a circuit at this node. The way to reduce the power dissipation of …
Published in Journal Of Network security · Vol. 8, Issue 1, 2020 · pp. 22–31 Read article
-
Maximum Power Tracking using PI Controller in Photovoltaic System
Abstract: Maximum power point trackers are efficient enough to enhance an efficiency of the photovoltaic system. So many methodologies have been proposed up to this date to achieve maximum power. PV modules are capable of generating maximum power under diverse atmospheric conditions. The base paper proposed an MPPT (Maximum Power Point Tracking) algorithm that based on fuzzy logic for a solar system. The solar panel is analyzed and then simulated by …
Published in Journal of Power Electronics and Power Systems · Vol. 10, Issue 2, 2020 · pp. 22–27 Read article
-
Optimized Performance Characteristics of a 450 nm Semiconductor Laser by Varying Differential Gain
Abstract: AbstractIn this work, the effects on the performance characteristics of a true-blue 3QW separate confinement heterostrcture edge-emitting laser are presented by varying differential gain. At the temperature of 300 K, the threshold current of the laser is . The peak material gain for the designed laser is obtained as and further used for the analysis of the performance characteristics of the designed double-heterostructure laser for the variation of differential gain. …
Published in Journal of Communication Engineering & Systems · Vol. 3, Issue 3, 2013 · pp. 26–35 Read article
-
Improved Performance Characteristics of A Designed 450 nm True Blue Laser Using InGaN/AlGaN Materials
Abstract: AbstractIn this work, the characteristics of a designed 450 nm true blue semiconductor laser are presented. Performance and optimizations of the designed laser are presented using InGaN/AlGaN active layer materials. A maximum optical output power of the laser is obtained as 147.48 mW for 93 mA injection current and 1 × 10−16 cm2 differential gain, where, the threshold current is 9.3 mA. The modal gain is calculated as 69.774 cm−1 …
Published in Trends in Opto-electro & Optical Communication · Vol. 3, Issue 1, 2013 · pp. 24–30 Read article
-
A Comparative Analysis of Various Flipped Voltage Follower Cells
Abstract: Flipped voltage follower (FVF) cell is used for designing low-voltage/low-power analog circuits. It can operate with a single supply voltage, less than the sum of the threshold voltages of a PMOS and NMOS transistor. The three different configurations of the FVF cell namely conventional FVF, FVF using level shifter (FVFLS) and FVF using bulk driven technique (FVFBD) are presented. Various parameters such as input/output swing, gain, bandwidth and power dissipation …
Published in Journal of Microelectronics and Solid State Devices · Vol. 4, Issue 2, 2017 · pp. 1–8 Read article
-
Power Quality Improved AC-DC Sepic converter Used for Welding application
Abstract: Abstract— In this paper high frequency isolated ac-dc single phase single ended primary inductance converter (SEPIC) are proposed. Due to use of HF transformer more gain and high power is obtain. Proposed converter offers increased gain which is step-down in nature having less stress on current and also high efficiency. This paper described analysis modeling, and simulation of proposed converter. The performance is described in terms of power quality like …
Published in Recent Trends in Electronics Communication Systems · Vol. 6, Issue 1, 2019 · pp. 24–30 Read article