The paper presents a design and simulation study of a differential active balun circuit implemented in a standard 90 nm complementary metal-oxide semiconductor (CMOS) process. The active balun design is intended for Worldwide Interoperability for Microwave Access (WiMAX) applica...
Open access
Research Article10.9734/jerr/2019/v4i416908
This research paper presents a design and study of a common-source/drain active balun circuit implemented in a standard 90-nm complementary metal-oxide semiconductor (CMOS) technology. The active balun design is intended for worldwide interoperability for microwave access (WiMAX...
Open access
Research Article10.9734/jerr/2019/v4i316906
Poor machining of wood generates more residues which leads to low recovery in wood processing. Therefore, the availability of appropriate wood machining techniques would promote efficient utilization of logs. This study looked at the shaping and sanding properties of Gmelina arbo...
Open access
Research Article10.9734/jerr/2019/v4i316904
The JK flip flop is a flexible type of bistable elements that has extensive uses in digital electronics and control circuits. It is usually described by its characteristic equation or next-state table (used for analysis purposes) and its excitation table (used for synthesis purpo...
Open access
Research Article10.9734/jerr/2019/v4i316903
Open loop control system is the type without feedback, that is, no sensor sensing the control variable, hence works on time basis. The paper established the facts that the system will prevent ubiquitous fire incidences associated with electric stoves and other heating devices. It...
Open access
Research Article10.9734/jerr/2019/v4i316902
The design, fabrication and performance evaluation of a fish feed pelletizing machine for low income farmers was carried out with the view to encourage local technology, as most of the fish feed pelletizing machines available are imported. The fish feed pelletizer is powered by a...
Open access
Research Article10.9734/jerr/2019/v4i316901
Atmospheric pressure plasma sources used in many industrial, environmental, light sources, biological, and medical applications. Aiming these prospects, an effort has been remunerated for the design and construction of a cost-effective atmospheric pressure high frequency (30 KHz)...
Open access
Research Article10.9734/jerr/2019/v4i216900
This research involved the design and modification of an existing fish feed extruder which was subjected to evaluation in order to produce floatable fish feeds. It was observed that the temperature of the extruded feed was on the average of 70°C with moisture content of 25% wet b...
Open access
Research Article10.9734/jerr/2019/v4i216899
A continuous process power driven gari fryer was designed, fabricated and tested at the Federal Institute of Industrial Research, Oshodi. (FIIRO), Lagos, to fry large quantity of cassava mash using locally available materials. The fryer which consists of major two sections; one t...
Open access
Research Article10.9734/jerr/2019/v4i216898
Nowadays, electronic manufacturers trend are to become thinner and thinner especially those electronic gadgets that is very handy and convenient on our daily necessity. Challenge with the leading manufacturers is the production and development of less size gadget yet with richnes...
Open access
Research Article10.9734/jerr/2019/v4i216897
Aim: This study examines the extent of readiness of Nigeria construction firms toward digital transformation within the study area. Study Design: It was a survey research, questionnaires containing information relating to digital Technologies, trend and transformation were admini...
Open access
Research Article10.9734/jerr/2019/v4i216896
In order to reduce the risks of death rates, neglecting by the observers, and sometimes the little number of the medical staff in hospital, A monitoring system based microcontroller in neonatal incubator was developed in this article. An interfacing process is made between the in...
Open access
Research Article10.9734/jerr/2019/v4i116895
Beta vulgaris L. (beetroot) contains high amounts of active substances. The amounts of various compounds sucrose, glucose, fructose, micronutrients and physical properties were found in roasted beet root chips of two varieties cultivated in Jessore (BRJS) and Kustia (BRKS), Bangl...
Open access
Research Article10.9734/jerr/2019/v4i116894
Regression analysis plays indispensable role in QSAR/QSPR, chemical Engineering, science & technology and research projects. Best fit regression models are constantly a challenge to the researchers, efforts are taken to minimize the error components so that the predictability...
Open access
Research Article10.9734/jerr/2019/v4i116893
The focus of this study was to investigate the impact of corrosion attack in carbon steel C-1040 marine piping system using weight loss method. Two carbon steel specimens (coupons) of cylindrical shape were selected and weighed before they were exposed to two different test solut...
Open access
Research Article10.9734/jerr/2019/v4i116892