Learn the wide range of applications of nanotechnology and its interdisciplinary aspect. It exhibits high resistance in one direction and low resistance in other direction. Iit nptel civil engineering online video lectures, courses, tutorials, books civil engineering bridges, autocad, structural engineering youtube civil engineering videos. A diode may be thought of as an electrical counterpart of a directional valve \check valve. Semiconductors, diodes, transistors horst wahl, quarknet presentation, june 2001. There are few things you need to consider before you make a decision.
High voltage engineering video lecture study material in. The diode basic operation the diode is fabricated of a semiconductor material, usually silicon, which is doped with two impurities. Zener diode made specially to operate in the reverse breakdown region. By using an led and a zener diode we can create a circuit which gives turns on the led when a voltage exceeds a certain value. Free download engineering ebooks pdf ppt lecture notes.
Lecture series on electronics for analog signal processing i by prof. Nptel provides elearning through online web and video courses in engineering, science and humanities streams. These electrons are not bound and are free to move about. Select one source only for lectures best to select a different source for practise tests to ensure variety start coaching early for best results now, coaching has evolved. Learn the principles governing the effect of size on material properties at the nanoscale, and perform quantitative analysis. Traffic highway and transportation engineering highway engineering is an engineering discipline branching from civil engineering that involves the planning, design, construction, operation, and maintenance of roads, bridges, and tunnels to ensure safe and effective transportation of people and goods. The course starts with a continuation of electromagnetic theory with emphasis on adaption and use in electric power engineering. Alexandre has presented at several conferences, including hitb kuala lumpur 2009 and recon montreal 2010 and 2011. Today, i am going to add one more article in this series and discuss the details on the introduction to diode. T reference of slide contents reading material of the slides presented in this lecture can be found from the following books. Half wave, full wavecenter tapped and bridge configuration,rms value and average value of output voltage, ripple factor, rectification efficiency, introduction to c and l filter no derivation.
Since then, there has been a broad and growing body of research on reversing. Diodes in the first lecture, we discussed linear circuit components resistors, capacitors, and inductors we found that we could build some electronic circuits using only these devices however, much of electronics in particular. Design a 10v zener regulator for the following circuit conditions. Energy resources and technology nptel online videos. Course numerical field calculations in power engineering. Highway engineering became prominent towards the latter half of the 20th century. Outline drift current diffusion current pn junction. Indian institute of technology, kanpur 1 module 4 lecture 26 pore water pressure and shear strength 10 topics 1. Elias bachaalany has been a computer programmer, reverse engineer, freelance technical writer, and an occasional reverse engineering trainer for the past 14. Recipe for solving diode circuits state of diode is unknown before solving the circuit f.
Note that the load resistor r l is in parallel with the zener diode, so that the voltage v o across this load resistor is equal to the zener diode voltage v z. The mission of nptel is to enhance the quality of engineering education in the country by providing free online courseware. Diodes and transistors in power electronic circuits of the. June, 2015 page 3 following will be the list of electives semester i electivei 401 004 1. Tunnel diode is a highly doped semiconductor device and is used mainly for lowvoltage highfrequency switching applications. In most of the transformer, there are losses due to various reasons and doesnt have the efficiency of the ideal transformer. Find materials for this course in the pages linked along the left. Use the diode equation for that state to solve the circuit equations and find i d. Review, pn junctions, fermi levels, forward bias prof j. Where can i get video lectures for the gate ece other. Lecture series on energy resources and technology by prof. Electrical engineering introduction to electronic circuits nptel.
Network theory 3 10 modulei 10 hours coupled circuits. Assume reverse break down voltage of zener diode is 2. A normal silicon diode has a voltage drop between 0. Najmabadi, ece 65, winter20, intro to diodes 1829 1. Clamper circuit the input voltage is a sine wave with 10v peak for the following circuit. Example zener diode circuit analysis blank ku ittc. The lectures will be linked to practical issues in electric power engineering. Natarajan, department of physics, iit, madras nptel, gives 40 video lectures on the concepts of basic electronics. Introduction to diodes university of california, san diego. Duration in hrs test 1 test 2 avg eec501 protection and switchgear engineering abbreviated as pse 20 20 20 80 03 25 25 150 course code course name credits ee501 protection and switchgear engineering 5 course objectives. Radhakrishna rao, department of electrical engineering,iit madras. Systems approach in civil engineering 3 advanced concrete technology 4.
Bachelor of electronics engineering second year semester. The relationship is obtained by applying kvl and it is vs vg r im. Bachelor of electronics engineering second year semester iii and iv, revised course rev2012 from academic year 2014. Bindra dhanpat rai publication 4 bridge engineeringby d. Biasing the field effect transistor transductance curves. A basic solid state devices course ee 207 or ee 733. Introduction to bridge engineering information technology. Diode forward voltage v and reverse voltage v are measured along positive and negative xaxes. Nagendra krishnapura department of electrical engineering. Civil engineering video lectures from nptel, iit, mit. Selfinductance and mutual inductance, coefficient of. Banerjee,department of electrical engineering, iit kharagpur. This course is a good option if you want to work towards a career as an artisan in the field of electrical engineering. Tunnel diode working principle, characteristics and.
Converters lecture 1 introduction to power electronic devices dr. Electrical engineering stack exchange is a question and answer site for electronics and electrical engineering professionals, students, and enthusiasts. Basic coursessem 1 and 2 basic electronics and lab nptel. A check valve presents a small resistance if the pressure p 0, but blocks the ow i. Introduction to the course and basic electrical quantity. Spontaneous and stimulated emissions, laser action, characteristics of laser beamconcepts of coherence, hene and semiconductor lasers simple ideas, applications. Smith department of eecs university of california, berkeley eecs 105 spring 2004, lecture 19 prof.
Semiconductor materials intrinsic and extrinsic types. Indian institute of technology, kanpur 1 module 4 lecture 22 pore water pressure and shear strength 6 topics 1. Savitribai phule pune university board of studies in civil engineering b. The transductance curve of a jfet is a graph of output current i d vs input voltage v gs as shown in fig. Courses at engineering lecture notes, previous year questions and solutions pdf free download all institute and branch, engineering class handwritten notes, exam notes, previous year questions, pdf free download. When current flows through a diode there is a small voltage drop across the diode terminals.
Helps to understand device modelling and simulation software used by device engineer. Tunnel diode and photo diode theory and short notes in hindi like us on facebook digit. Tunnel diode and photo diode theory and short notes in. Use of analytical and numerical methods for solving maxwells equations describing the electric and magnetic fields. Electro principles i page etec 1120 1 the ideal diode model the graph in figure 2 illustrates the characteristics of the ideal diode model.
This careeroriented n1 engineering studies course introduces you to the basic principles of electrical engineering and prepares you for further study in this field. Quadrant i of the graph is labelled as the forward operating region. Diode behavior forward bias exponential behavior reverse bias breakdown controlled breakdown. Write down all circuit equations and simplify as much as possible 2. This lower voltage drop can provide higher switching speed and better system efficiency. Nptel video lectures, iit video lectures online, nptel youtube lectures, free video lectures, nptel online courses. Familiarize the students with native bionanomachinery in living cells, how. Course code course name examination scheme theory term work pract. Lecture note course code bce 305 transportation engineeringi under revision syllabus. Chapter 2 and 3 of power electronics converters and regulators third edition by branko l.
Freely browse and use ocw materials at your own pace. Zener diode circuit analysis consider the circuit below. It is also called as esaki diode named after leo esaki, who in 1973 received the nobel prize in physics for discovering the electron tunneling effect used in these diodes. To deliver the knowledge about physics of basic semiconductor devices. See this page for information on tools and models to be used in the courses. Recognition in the engineering community came through the publication of a taxonomy on reverse engineering and design recovery concepts in ieee software magazine. Electro principles i page the pn junction diode etec. Engineering physics phy1 common for all branches unit. One side is doped with a donor or ntype impurity which releases electrons into the semiconductor lattice. Find the voltage at the output terminals assuming ideal diodes.
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