A5028677131- Analog and Mixed-Signal Circuit Design
- Advancements in Semiconductor Devices and Circuit Design
- Sensor Technology and Measurement Systems
- Low-power high-performance VLSI design
- Radio Frequency Integrated Circuit Design
- Advancements in PLL and VCO Technologies
- Electromagnetic Compatibility and Noise Suppression
- Ammonia Synthesis and Nitrogen Reduction
- Catalytic Processes in Materials Science
- Extraction and Separation Processes
- Electrocatalysts for Energy Conversion
- Nonlinear Waves and Solitons
- Advanced Photocatalysis Techniques
- Advancements in Battery Materials
- Nanomaterials for catalytic reactions
- Algebraic structures and combinatorial models
- Nonlinear Photonic Systems
- Microwave Engineering and Waveguides
- Electronic Packaging and Soldering Technologies
- Solar-Powered Water Purification Methods
- Solar Thermal and Photovoltaic Systems
- Copper-based nanomaterials and applications
- Engineering and Test Systems
- Embedded Systems and FPGA Applications
- Electrical Contact Performance and Analysis
University of Wasit
2017-2018
University of Limerick
2017-2018
Bangkok University
2016
Abstract A simple, rapid, and low‐cost method for preparation of Co 3 O 4 nanoparticles (Co ‐1 ‐2) using solid‐state calcination mixture Co(NO ) 2 ∙6H salicylic acid (1:1 weight ratio) at two different temperatures 500 600°C is reported. The morphologies structure the as‐prepared were characterized X‐ray diffraction (XRD) transmission electron microscope (TEM). In addition, we tested them as an anode material lithium‐ion batteries. cycling stability electrochemical performance excellent....
In this work, we study the generalized ([Formula: see text])-dimensional Hietarinta equation by utilizing Hirota’s bilinear method. addition, lump solution and breather are presented. Using suitable mathematical assumptions, new types of lump, singular, soliton solutions derived established in view hyperbolic, trigonometric, rational functions governing equation. Moreover, give a lot graphs some subsections to determine analysis behavior for The results useful obtaining explaining phenomena.
Abstract This article investigates the extended homoclinic (heteroclinic) breather wave solutions and interaction periodic dark soliton to nonlinear vibration dispersive systems. The include periodic, breather, solutions. bilinear form is considered in terms of Hirota derivatives. Accordingly, we utilize Cole–Hopf algorithm obtain exact ( <m:math xmlns:m="http://www.w3.org/1998/Math/MathML"> <m:mn>2</m:mn> <m:mo>+</m:mo> <m:mn>1</m:mn> </m:math> 2+1 )-dimensional modified water-wave system....
Abstract Today, photovoltaic modules have become accepted by the public and scientists in production of clean electricity as a possible alternative to produced from fossil fuels. These suffer deterioration their electrical efficiency result high temperature. Several researchers proposed use high-efficiency hybrid (PV/T) systems that can cool PV also produce hot water. Improving modules’ increases investment attraction commercialization this technology. The possibility restoring panel was...
Abstract In this paper, a multi objective optimization approach is studied for optimal energy scheduling of the smart autonomous electrical grid with participation active consumers (ACs) and hydrogen storage system (HSS). The functions consist of: 1) minimizing costs 2) maximizing reliability. ACs are modelled through demand reduction based on offer price to peak management. proposed solved by epsilon-constraint method LINMAP decision making strategy. 21-node test employed analyse efficiency...
This paper presents and compares two CMOS (complementary metal oxide semiconductor) operational amplifier (op-amp) designs. Each op-amp is based on a two-stage rail-to-rail output where the first stage differential input with folded cascode second forms class-AB amplifier. opamp design incorporates different compensation techniques. The uses negative Miller around conventional used stage. also utilizes stage, but indirect between node of purpose this work was to evaluate DC gain, unity gain...
Abstract Noise pollution is one of the environmental factors that severely threaten humans’ mental, emotional, and physical health. One most significant sources this noise generated by traffic urban transportation, mainly railway. This paper assessed at stations, passenger cars, train operator’s cabin. Four consecutive Baghdad subway stations were used to collect information. There three modes measurement: entering station, stopping leaving station. L eq (equivalent continuous level) station...
This paper presents a novel technique to design programmable open-loop DC gain and bandwidth single-ended output CMOS (complementary metal oxide semiconductor) opamp (operational amplifier) using serial digital interface. The circuit topology allows for the programming of differential input stage tail current. With this variable current, controllable frequency response is created that can be controlled from host processor. op-amp has rail-to-rail where first consists folded-cascode circuits...
This paper presents a novel technique to design programmable bandwidth single-ended output CMOS operational amplifier using serial digital interface. The circuit topology enables the programming of value negative Miller capacitance around first amplification stage and second stage. Therefore, controllable frequency response op-amp is created that can be digitally controlled from host processor. based on rail-to-rail architecture where consists differential input folded cascode circuits,...
In this paper, the design of a programmable electronic circuit for red-green-blue (RGB) light emitting diode (LED) to be used in an optical fiber sensor system is presented and discussed. The LED as transmitter (source) within design. This idea architecture mixed-signal considered both discrete implementation using off-the-shelf components application specific integrated (ASIC) solution 0.35 μm complementary metal oxide semiconductor (CMOS) fabrication process. operation principles,...
In this paper, pole-zero estimation, analysis and simplification of the transfer function for a two-stage operational amplifier (op-amp) is presented. The circuit design considered folded cascode complementary metal oxide semiconductor (CMOS) op-amp incorporating both Miller negative frequency compensation. was created using 0.35 μm CMOS fabrication process analyzed DC gain, unity gain frequency, margin, phase margin open-loop pole zero locations. Cadence Virtuoso used entry Spectre...
In this paper, the design of a programmable mixed-signal electronic circuit to control light output red-green-blue (RGB) emitting diode (LED) be used in an optical fiber sensor system is presented and discussed. The LED as transmitter (light source) within system. each color independently controlled using either d.c. current or pulse width modulation (PWM) encoded current. idea for, architecture of, considered both discrete implementation off-the-shelf components concept for application...
In this paper, the design and simulated response of a digitally programmable operational amplifier (op-amp) is discussed. The purpose programming capability to allow for op-amp DC gain frequency be controlled. This attained by transistor tail current in differential input stage operating at an analog power supply voltage +3.3 V. Serial peripheral interface (SPI) communications used here provide control from external digital host processor. considered as particular implementation circuits....