BASIC ELECTRONICS MODULE 3 Bipolar Junction Transistor Prepared by H V Balachandra Achar Senior Lecturer‚ Dept. of E&C Engg.‚ M I T‚ Manipal Department of Electronics and Communication Engineering‚ Manipal Institute of Technology‚ Manipal‚ INDIA Syllabus • • • • • • • • Introduction to Bipolar Junction Transistor BJT Operation BJT Configurations Tutorials BJT Biasing Tutorials BJT Amplifier Tutorials Department of Electronics and Communication Engineering‚
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1440: Nicolas Cusanus‚ Earth is in motion 1440: Nicolas Cusanus‚ infinite universe 1450: Johann Gutenberg‚ first printing press in Europe 1472: Johannes Regiomontanus‚ observation of Halley’s comet 1480: Leonardo de Vinci‚ description of parachute 1480: Leonardo de Vinci‚ compares reflection of light to reflection of sound waves 1490: Leonardo de Vinci‚ capillary action 1492: Leonardo de Vinci‚ foresees flying machines 1494: Leonardo de Vinci‚ foresees pendulum clock 1514: Nicolaus Copernicus
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1.0 Introduction 1.1 What is Semiconductor A semiconductor is a solid whose electrical conductivity can be controlled over a wide range‚ either permanently or dynamically. Semiconductors are tremendously important technologically and economically. Silicon is the most commercially important semiconductor‚ though dozens of others are important as well. 1.2 What is Semiconductor Industry The semiconductor industry is the collection of business firms engaged in the design and fabrication of
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A MINOR PROJECT REPORT ON “AUTOMATIC WATER LEVEL CONTROLLER” A Dissertation submitted on “AUTOMATIC WATER LEVEL CONTROLLER” Fulfilled as a part of curriculum in VI Sem of Bachelor of Engineering (Electronics and Communication) for Rajiv Gandhi Proudyogiki Vishwavidyalaya‚ Bhopal session-2011-12 Guided by: Submitted By: Prof.Rahul Pal Rohit Kumawat Co-guide:
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Classification of matter • All the objects and substances that we see in the world are made of matter. • This matter can be classified according to whether it is a mixture or a pure substance. • A mixture is a combination of two or more substances‚ where these substances are not bonded (or joined) to each other and no chemical reaction occurs between the substances. Examples of mixtures are air (a mixture of different gases) and cereal in milk. • The main characteristics
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Introduction Aim of the project Block diagram Components used Rectifier diodes Transistor 78XX regulator IC NE 555 Timer IC Resistor Capacitor Relay Circuit diagram Circuit operation Applications Advantages Disadvantages Limitation Future scope Conclusion Bibliography Introduction: We have seen many more times that our street light were turned On even inday time also. This shows that we are wasting much power even it may be saved and supplied for any crop fields for several hours. Here
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Basic Engineering-II The objective of this subject will help us to know the basic knowledge of Electronics. The concept of semiconductors‚ transistors‚ diodes‚ FET‚ MOSFET their working principles‚ construction and working model. To know about the a.c to dc converting circuits like half wave‚ full wave rectifiers circuits. Also the filter operation of ripples using various types of filter circuits. The various types of transducer working‚ construction and uses will be discussed briefly and moving
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2011 H I G H E R S C H O O L C E R T I F I C AT E E X A M I N AT I O N Physics Total marks – 100 General Instructions • Reading time – 5 minutes • Working time – 3 hours • Write using black or blue pen Black pen is preferred • Draw diagrams using pencil • Board-approved calculators may be used • A data sheet‚ formulae sheets and Periodic Table are provided at the back of this paper • Write your Centre Number and Student Number at the top of pages 9‚ 13‚ 15‚ 19 and 21 Section I Pages
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C hapter 2 IS MATTER AROUND US PURE How do we judge whether milk‚ ghee‚ butter‚ salt‚ spices‚ mineral water or juice that we buy from the market are pure? physical process of evaporation. However‚ sodium chloride is itself a substance and cannot be separated by physical process into its chemical constituents. Similarly‚ sugar is a substance because it contains only one kind of pure matter and its composition is the same throughout. Soft drink and soil are not single substances. Whatever the source
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PHYSICS OF THE PAST One hundred years ago‚ in a poky apartment in Bern‚ Switzerland‚ Albert Einstein‚ then just a 26-year-old patent office clerk still working part-time towards his PhD‚ published five ground breaking scientific papers. Each of these papers‚ written during Einstein’s annus mirabilis ‚ has become a "classic" in the history of science: On a Heuristic Viewpoint Concerning the Production and Transformation of Light ‚ which discusses optical photons and photoelectric effects. Molecular
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