29 Pages
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3,397 Words
The purpose this text is to present at a primary and intermediate level a comprehensive over view of the construction principles and indeed the operation of a power amplifier with 100w as the output power. The history and importance of electronic as a unique braches of science cannot be over emphasized electronic as its history might have it is divide into sections the first began with the invention of the vacuum tube the second occupy […]
38 Pages
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3,996 Words
INTRODUCTION Power amplifier is an electronic device, which is used to increase sound energy. In other words, the final stage which must driven a given load e.g mechanical indicator, a loudspeaker cathode roy tade, magnetic deflection coil, a transmitting accrual of a communication network. Power amplifier is also used in regulation power supplies, chopper amplifier, motor controller etc. In general the load will by its nature, demand […]
60 Pages
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8,367 Words
A smart fan is designed with op-amp is quite useful for conference halls, auditoriums, cinema halls, and other commercial organizations where many people gathered together, and lot of fans are required at these places. Depending up on the weather condition, organizers of the above places are supposed to be control each and every fan, otherwise lot of energy will be wasted. Controlling each and every fan manually is highly impossible; t […]
47 Pages
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5,666 Words
This project work is on the construction of an F.M transmitter this system consists of four discrete modules namely the audio frequency (AF) amplifier (class A) the modulator the master oscillator and the radio frequency (RF) amplifier (ClassC) these formed the conventional events for building FM transmitter here the signal (from the microphone) is fed into the (AF) for amplification then to the modulator which combines the modulating […]
52 Pages
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10,044 Words
This research was carried out to understand solar technology: An alternative source of energy for national development. The study was based on the pursuance of basic objectives to ascertain the present state of power generation and supply in Nigeria, to examine the possibility of reviving the energy sector of Nigeria, highlight the advantages of solar technology as it affects national development. In essence the study sets out to contr […]
48 Pages
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5,481 Words
This thesis gives the account for the design and construction of a 45W Audio Power Amplifier with the objective of producing a reliable and cheaper amplifier that can be used in a household or stage. The Audio Power Amplifier was constructed with electrical/electronics components such as resistors, capacitors, transformer, transistors and so on. Many tools/instruments like soldering iron, multimeter and so on were used. The 45W Audio P […]
62 Pages
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9,316 Words
This work is on digital pointing device, which is also known as digital mouse. Mouse is known as an input device of computer which helps to control cursor that is visible on the computer screen while moving the mouse on flat surface place. This device was built around three major components – arduino, accelerometer and Bluetooth module. Arduino microcontroller acts as the heart of the circuit, accelerometer gives out the acceleration a […]