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. 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. Use the diode equation for that state to solve the circuit equations and find i d. Electrical engineering stack exchange is a question and answer site for electronics and electrical engineering professionals, students, and enthusiasts. The transductance curve of a jfet is a graph of output current i d vs input voltage v gs as shown in fig. Radhakrishna rao, department of electrical engineering,iit madras. Semiconductors, diodes, transistors horst wahl, quarknet presentation, june 2001. Learn the wide range of applications of nanotechnology and its interdisciplinary aspect. June, 2015 page 3 following will be the list of electives semester i electivei 401 004 1.
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. This lower voltage drop can provide higher switching speed and better system efficiency. Banerjee,department of electrical engineering, iit kharagpur. Natarajan, department of physics, iit, madras nptel, gives 40 video lectures on the concepts of basic electronics. Quadrant i of the graph is labelled as the forward operating region. This course is a good option if you want to work towards a career as an artisan in the field of electrical engineering. Free download engineering ebooks pdf ppt lecture notes. High voltage engineering video lecture study material in. Najmabadi, ece 65, winter20, intro to diodes 1829 1. Smith department of eecs university of california, berkeley eecs 105 spring 2004, lecture 19 prof.
Highway engineering became prominent towards the latter half of the 20th century. Civil engineering video lectures from nptel, iit, mit. Introduction to the course and basic electrical quantity. The two basic processes which cause electrons and holes to move in a semiconductor are. Tunnel diode and photo diode theory and short notes in hindi like us on facebook digit. A check valve presents a small resistance if the pressure p 0, but blocks the ow i. Savitribai phule pune university board of studies in civil engineering b. A diode may be thought of as an electrical counterpart of a directional valve \check valve. Bachelor of electronics engineering second year semester. Course numerical field calculations in power engineering. Diodes and transistors in power electronic circuits of the.
Energy resources and technology nptel online videos. Nptel provides elearning through online web and video courses various streams. Find the voltage at the output terminals assuming ideal diodes. Diode forward voltage v and reverse voltage v are measured along positive and negative xaxes. Zener diode circuit analysis consider the circuit below. When current flows through a diode there is a small voltage drop across the diode terminals. Learn the principles governing the effect of size on material properties at the nanoscale, and perform quantitative analysis. Since then, there has been a broad and growing body of research on reversing. Example zener diode circuit analysis blank ku ittc. This careeroriented n1 engineering studies course introduces you to the basic principles of electrical engineering and prepares you for further study in this field. A normal silicon diode has a voltage drop between 0.
Electro principles i page the pn junction diode etec. A basic solid state devices course ee 207 or ee 733. The mission of nptel is to enhance the quality of engineering education in the country by providing free online courseware. Find materials for this course in the pages linked along the left.
Recipe for solving diode circuits state of diode is unknown before solving the circuit f. Bindra dhanpat rai publication 4 bridge engineeringby d. Clamper circuit the input voltage is a sine wave with 10v peak for the following circuit. Bachelor of electronics engineering second year semester iii and iv, revised course rev2012 from academic year 2014. Converters lecture 1 introduction to power electronic devices dr. These electrons are not bound and are free to move about. The course starts with a continuation of electromagnetic theory with emphasis on adaption and use in electric power engineering. Network theory 3 10 modulei 10 hours coupled circuits. Spontaneous and stimulated emissions, laser action, characteristics of laser beamconcepts of coherence, hene and semiconductor lasers simple ideas, applications. Systems approach in civil engineering 3 advanced concrete technology 4.
Familiarize the students with native bionanomachinery in living cells, how. Selfinductance and mutual inductance, coefficient of. Introduction to diodes university of california, san diego. Introduction to bridge engineering information technology. There are few things you need to consider before you make a decision. Outline drift current diffusion current pn junction.
Lecture note course code bce 305 transportation engineeringi under revision syllabus. Iit nptel civil engineering online video lectures, courses, tutorials, books civil engineering bridges, autocad, structural engineering youtube civil engineering videos. Alexandre has presented at several conferences, including hitb kuala lumpur 2009 and recon montreal 2010 and 2011. It exhibits high resistance in one direction and low resistance in other direction.
See this page for information on tools and models to be used in the courses. Zener diode made specially to operate in the reverse breakdown region. Biasing the field effect transistor transductance curves. Today, i am going to add one more article in this series and discuss the details on the introduction to diode. Semiconductor materials intrinsic and extrinsic types. The lectures will be linked to practical issues in electric power engineering. Helps to understand device modelling and simulation software used by device engineer. 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. Engineering physics phy1 common for all branches unit. 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. Nagendra krishnapura department of electrical engineering. Lecture series on electronics for analog signal processing i by prof.
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. Design a 10v zener regulator for the following circuit conditions. The relationship is obtained by applying kvl and it is vs vg r im. 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. 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. Nptel provides elearning through online web and video courses in engineering, science and humanities streams.
Tunnel diode and photo diode theory and short notes in. It is an electronic device which allows the flow of current in one direction only. T reference of slide contents reading material of the slides presented in this lecture can be found from the following books. Review, pn junctions, fermi levels, forward bias prof j. 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. Elias bachaalany has been a computer programmer, reverse engineer, freelance technical writer, and an occasional reverse engineering trainer for the past 14. Electrical engineering introduction to electronic circuits nptel. Course code course name examination scheme theory term work pract. The diode basic operation the diode is fabricated of a semiconductor material, usually silicon, which is doped with two impurities. Electro principles i page etec 1120 1 the ideal diode model the graph in figure 2 illustrates the characteristics of the ideal diode model. One side is doped with a donor or ntype impurity which releases electrons into the semiconductor lattice.
Write down all circuit equations and simplify as much as possible 2. Basic coursessem 1 and 2 basic electronics and lab nptel. Where can i get video lectures for the gate ece other. Assume reverse break down voltage of zener diode is 2. In most of the transformer, there are losses due to various reasons and doesnt have the efficiency of the ideal transformer. Indian institute of technology, kanpur 1 module 4 lecture 26 pore water pressure and shear strength 10 topics 1. Freely browse and use ocw materials at your own pace. Lecture series on energy resources and technology by prof. Chapter 2 and 3 of power electronics converters and regulators third edition by branko l. Use of analytical and numerical methods for solving maxwells equations describing the electric and magnetic fields. Tunnel diode working principle, characteristics and.
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