Thyristors 10kv,300a,30mw thyristor is a four layer three junction pnpn semiconductor switching device. They use electrical conduction in the solid state rather than the gaseous state or. You will gain valuable experience in semiconductor physics, pn junctions, metal semiconductor contacts, bipolar junction transistors, metaloxide. Diffusion, electric potential and field, nonuniformly doped semiconductor. Nptel electronics and communication engineering video lecture. Amitava dasgupta, department of electrical engineering,iit madras. Power semiconductor drives notes pdf psd notes pdf book starts with the topics introduction to thyristor controlled drives, single phase semi and fully controlled converters connected to d. Distributed under creative commons attributionsharealike cc bysa. The lectures map onto the individual chapters in the book. Specifically, you will learn about the fundamentals of electron movement in semiconductor materials and develop this basic knowledge of how we can construct devices from these materials that can. The broad area of his research is the field of printed electronic devices with emphasis on printed antennas and transparent conducting electrodes.
Weve learned about how physical phenomena can represent and communicate information, and will learn about how it can be input, stored, and output, but here we turn to the essential electronic devices that transform it. The equalization of the fermi energy is accompanied with transfer of electrons from regions of higher fermi energy to region. Thermal equilibrium, carrier concentrations lecture 4. If you are not able to download lectures due to bandwidth constraints, you can obtain the courses in dvds by paying a nominal fee to cover the cost of storage media and distribution. A unique feature of the semiconductors is that they are bipolar in nature and in them, the current is transported by the electrons and holes. Semiconductor devices psd study materials pdf free. Materials, devices and simple circuits semiconductors. Similarly, holes are the majority carriers in a semiconductor doped with acceptors and it is termed p type. Introduction to solid state power electronics pdf 111p currently this section contains no detailed description for the page, will update this page soon. Nocfundamentals of wavelets, filter banks and time frequency analysis. After completing this tutorial, readers will be at a moderate level of expertise to explain. The pn junction diode the negative terminal of the biasvoltage source pushes the conductionband electrons in the n region toward the pn junction, while the positive terminal pushes the holes in the p region toward the pn junction when it overcomes the barrier potential v b, the external voltage source provides the n region electrons with enough energy to penetrate the.
Material, devices and simple circuits to score high marks in exams, prepared by expert physics teachers from latest edition of cbsencert books. Introduction to semiconductor materials and devices, john wiley, 2004. Lecture 1 introduction to semiconductors and semiconductor. The text is intended for use in a first or second year course on semiconductors at the associate or baccalaureate level. Which are the best nptel lectures regarding electronic. However, after 1990, a few semiconductor devices using organic semiconductors and semiconducting polymers have been developed signalling the birth of a futuristic technology of polymerelectronics and molecularelectronics. If both types of dopants are present, the one present in higher concentration determines the type of the semiconductor.
Solid state devices ee3001 department of electrical. Electronic materials, devices, and fabrication online. Each topic in this tutorial is explained well using circuit diagrams for better understanding. Multiple choice questions and answers on semiconductor theory in addition to reading the questions and answers on my site, i would suggest you to check the following, on amazon, as well.
Search by nptel course id, course name, lecture title, coordinator. The goal of this course is to teach the fundamentals of nonlinear circuit elements including diodes, leds, laser diodes, transistors bjt and fet, and advanced device concepts such as microwave compound semiconductors and state of the art devices. The broad area of his research is the field of printed electronic devices with emphasis. Which are the best nptel lectures regarding electronic devices and. It will have the logos of nptel and iisc bangalore. Solid state devices ee3001 eewebmaster july 7, 2015 solid state devices ee3001 20170109t11.
To increase the conductivity, impurities also called dopant group iii or v are added to the pure semiconductor material and is called extrinsic semiconductor ntype or ptype. Power electronics by nptel download book free book centre. Nptel physics fundamental concepts of semiconductors. Download free sample and get upto 48% off on mrprental.
Lecture 1 introduction on solid state devices youtube. Parasuraman,department of metallurgy and material science,iit madras. Where k b is the boltzmann constant, t is the absolute temperature and q is the absolute value of the electronic charge. A semiconductor device is an electronic component that relies on the electronic properties of a semiconductor material primarily silicon, germanium, and gallium arsenide, as well as organic semiconductors for its function. Jul 29, 2019 he has done courses on electronic materials, devices and fabrication, semiconductor device modelling and solar cell device physics and materials technology. Multiple choice questions and answers on semiconductor. One disadvantage of the thyristor for switching circuits is that.
Semiconductor and simple circuitsnot to be republished. The semiconductors have the conductivity which is between the conductors and the insulators. Electronics and communication engineering 85 courses. Power divider, directional couplers and filters week 7. He has done courses on electronic materials, devices and fabrication, semiconductor device modelling and solar cell device physics and materials technology. Jan 09, 2020 multiple choice questions and answers by sasmita january 9, 2020 multiple choice questions and answers on semiconductor theory in addition to reading the questions and answers on my site, i would suggest you to check the following, on amazon, as well. Electronic materials, devices, and fabrication by prof s.
Technology asics application specific integrated circuits hybridics bicmos mcms multi chip modules 3d packages 10 electronic devices and circuits problem 1. Electronic devices and circuits pdf notes edc notes pdf. Solid state electronic devices ee3310 class notes introduction. Dec 28, 2008 42 videos play all electronics solid state devices nptelhrd learn english audiobook.
Semiconductor devices, psd study materials, engineering class handwritten notes, exam notes, previous year questions, pdf free download. Semiconductor devices have replaced vacuum tubes in most applications. Nptel electronics and communication engineering video. Optoelectronic semiconductor devices principals and. Lecture notes on power electronics veer surendra sai. The semiconductor is in internal turmoil, with bonds being broken and reformed continuously.
Power semiconductor drives pdf notes psd pdf notes. Fundamentals of semiconductor devices course swayam. Here you can download the free lecture notes of power semiconductor drives pdf notes psd pdf notes materials with multiple files links to download. Semiconductor as a device introduction fabrication of devices. Ntype semiconductor pentavalent as,sb,p atom is added to pure semiconductor. Multiple choice questions and answers on semiconductor theory. Semiconductors ppt and pdf report free study mafia. Thyristors are able to withstand very high reverse breakdown voltage and are also capable of carrying high current. Fundamentals of electronic device fabrication course. It progresses from basic diodes through bipolar and field effect transistors.
Introduction to microwave engineering and transmission line theory week 2. Power semiconductor devices, ac to dc converters, dc to dc converters, ac to ac voltage converters and dc to ac. Power electronics introduction to power electronics 41 reference. Schrodinger equation, newton s second law and boltzmann transport equation bte write the equation for lattice temperature or heat flux. Electrical energy conversion by converters, the lost history of the transistor, future electronic power distribution systems, basic strategies in power electronics, power devices, mechanical design and cooling techniques, dcdc converters, linecommutated topologies, voltage source inverters, active compensation. Applications of pn junctions and details of metalsemiconductor junction. Due to the diverse coverage from various professors for ece3040, you will repeat for some some of the material from 3040. Power semiconductor devices the first scr was developed in late 1957. Jun 16, 2017 semiconductors ppt and pdf report free. One would also accept that the present generation is driven by information and communication. May 29, 2016 an article from gatemitra nptel lectures for gate analog circuits the lectures to be referred to this course are analog circuits by prof. Semiconductor materials, devices, and fabrication and the associated media content in the dvds provide an understanding of the materials, devices, and processing techniques used in the current microelectronics industry.
Power semiconductor devices first appeared in 1952 with the introduction of the power diode. Pdf 114p currently this section contains no detailed description for the page, will update this page soon. Classification and properties of semiconductor devices. In this project, i will try to provide an introduction to optoelectronic pnjunction devices from the point of view of semiconductor materials properties, operating principles, applications and fabrication. Power semiconductor devices are broadly categorized into 3 types. Semiconductor devices introduction it is widely seen that the distance of a nucleus from the electron of a particular atom is not equal. Most semiconductor optoelectronic devices are pnjunction diodes, and their performance depends on the. Again, this is because of the physical properties of the material. The electronic devices and circuits notes pdf edc pdf notes book starts with the topics covering qualitative theory of pn junction, the pn junction as a rectifier, the junction transitor, the dc and ac load lines, determination of hparameters from transistor characteristics, the junction field effect transistor construction, principle. A semiconductor diode consists of an n material region and a p material region separated by a pn junction the n region has many conduction electrons the p region has many holes as a result of recombination, a large number of positive in the n region and negative in the p region ions builds up near the pn junction. Baliga, trends in power semiconductor devices, ieee transactions on electron devices. Ee lecture notes university of california, berkeley. Certificate will have your name, photograph and the score in the final exam with the breakup.
This course seeks to cover the basics of semiconductor devices including the physics of energy bands, doping and carrier statistics and transport leading up to the understanding of common semiconductor devices including pn junctions and their applications, bjts and mosfets. Solid state devices, nptel video lectures available on youtube. Power semiconductor devices and commutation circuits, single phase and three phase controlled rectifiers, ac voltage controllers and cycloconverters, dc dc converters, inverters. Basic equations and approximations 1 pn junction device structure and fabrication.