The main task of this research is to study the current buffer technique for the two
stage CMOS operational amplifier design. It involves three basic concepts, theoretical
calculation, design, simulation, and verification ...
In this thesis, GPS-VTEC measurements are used to assess the performance of the most
recent International Reference Ionosphere extended to the plasmasphere (IRI-Plas 2017)
model. GPS-VTEC data is obtained from a ...
The objective of this thesis was to chemically produce Multiferroic Bismuth Iron Oxide
(BiFeO3) (BFO) and cobalt doped Bismuth Iron Oxide (BFCO) nanoparticles for photovoltaic
applications. The syntheses in these ...
This project work focuses on the possibility of coexistence of superconductivity and
magnetism in Samarium arsenide oxide superconductor (SmO1-xFxFeAs). Using the model
Hamiltonian and retarded double time temperature ...
In this masters project, the literatures survey of pure chromium oxide and aluminum (Al) doped chromium (III) oxide (Cr2O3) nanoparticles are summarized. The band gap and crystal size are determined by the Brus equation, ...
The primary goal of this study is to use the Drude model to analyze the influence of shape
and size on the plasmon resonance peak of gold nanoparticles and quality factor of gold
based on dielectric function. Depending ...
The project intends on Ultraviolet- A (UV-A) distribution in Bahir Dar City (geographic latitude
110
36’N, longitude 370
23’E) and Ertale (geographic latitude 130
35’58.99’’ N, longitude
400
39’59.99’’E). UV-A has ...
This thesis investigates the effect of temperature on the performance of crystalline silicon solar
cell at Debre Markos. The study considers the performance of solar cells in the temperature
range 281.97K–299.33 K and ...
This study aimed to design a simple and low-cost visible spectrophotometer for the detection of
the absorbance of colorful metallic solutions. The designed instrument has a tungsten white light
bulb source, a light ...
In this research work, the main task is to increase the DC open loop gain of a CMOS
operational amplifier for biomedical applications. It involves three basic concepts,
theoretical calculation, design, simulation, and ...
The present project work has mainly focused on reviewed structural and optical properties of
pure and Al, Cu doped Tin oxide (SnO2) Nanoparticles. The structure and nature of SnO2
Nanoparticles with different percentage ...
Superconductivity is a phenomenon that is seen in a few different elements and com pounds which is defined by the charge-carrying Fermions that condense into a Bose Einstein condensation. The main objective of this research ...
This study investigates the extent of solar ultraviolet radiation (UVR), wavelength ranges
from 280nm-315nm which is called UV-B, distribution in Bahir Dar and Ras Dashan.On the
other hand, when materials exposed to ...
A spintronics device is multifunctional device, which allows the interplay between charge carriers
and spin in a single system. These materials are very important in modern technology for non volatility, fast data ...
Solar irradiance model can reduce the uncertainty of solar power plant output caused by solar
irradiance intermittency. In this study, multiple linear regression (MLR) and artificial neural
network (ANN) methods were ...
The design of op-amps continues to pose a challenge as the supply voltage and transistor
channel lengths scale down with each generation of CMOS technologies. In this
thesis, a single stage telescopic CMOS op-amp is ...
Ionospheric irregularities and GPS LoL can affect a wide range of communication and nav igation systems, thus studying and analyzing them using GPS data near the equator and at
low latitudes is justified for both scientific ...
In this project work, we have investigate the effect of size variation of amorphous silicon quantum
dot(a-SiQDs) on intensity of thrermoluminescence(TL)emission using interactive multi trap
system (IMTs)and OTOR model. ...
In this thesis, we investigated the formation process of self-assembled monolayers (SAMs) of
organophosphonic acids on ZnO surfaces. There was the effect of solvent on the coverage of
ODPA SAM on zinc oxide surface. ...
Laser-Induced Breakdown Spectroscopy (LIBS) is an analytical technique for classification and
quntification of target materials. It uses different optics, target holder, vacuum chamber and Charge
Coupled Device (CCD)/ICCD ...