Module 1 Power Semiconductor Devices Version 2 EE IIT‚ Kharagpur 1 Lesson 7 Insulated Gate Bipolar Transistor (IGBT) Version 2 EE IIT‚ Kharagpur 2 Constructional features‚ operating principle and characteristics of Insulated Gate Bipolar Transistors (IGBT) 7.1 Introduction The introduction of Power MOSFET was originally regarded as a major threat to the power bipolar transistor. However‚ initial claims of infinite current gain for the power MOSFETs were diluted by the need to design
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Marketing and Reference Groups All the groups that contribute to the buying behavior of a consumer are known as reference groups. (Bhasin 2010) Consumers may use products or brands to associate with or try to become part of a group e.g. people may feel they need to wear Nike or Adidas to feel part of a fitness group or the gym demonstrated by Vroom with behavior modification. They look at what people in the particular reference group look at and consume and conform to the criteria to make their
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M ~ E S S O R S AND MICROS~TEMS ELSEVIER Microprocessors and Microsystems 20 (1996) 297-301 Technical application Microcontroller based LCR meter M.A. Atmanand‚ V. Jagadeesh Kumar Department of Electrical Engineering‚ Indian Institute of Technology‚ Madras 600 036‚ India Received 19 March 1995; revised 10 May 1996 Abstract A microcontroller based scheme for LCR measurement is described. The unknown element (an inductor or a capacitor or a resistor) is measured employing a non conventional
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References: Teratology. 1993;48:115-25. Brent RL‚ Mettler FA. Pregnancy policy. AJR Am J Roentgenol. 2004;182:819-22. Roxanne R. Keene‚ MD‚ Diane C. Hillard-Sembell‚ MD‚ Brooke S. Robinson ‚ OCCUPATIONAL HAZARDS TO THE PREGNANT ORTHOPAEDIC SURGEON THE JOURNAL OF BONE & JOINT SURGERY d JBJ S
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Airport Ground Services to Airlines fig 1 Introduction Ground handling is a main part in airport and airlines industry the reason is that its all about time‚ money and safety. There are three type of ground handling models around the world.frist one us model that airlines they have their own ground handling staff and they provide their own ground handling. And the second one Eu model that airport provide ground handling to airlines and they manage their own staff. And they last one their
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Adam Oufkir 3/26/12 Nigeria: Shell Oil Crisis In the early 20th century Britain colonized Africa and created false borders through out the continent. The creation of such false countries as Nigeria caused the grouping of people that didn’t get along well. This action by Britain caused severs instabilities in the country of Nigeria. This may have made the country unstable at first but now the problem is caused by Shell. The problem in Nigeria is not caused currently on going not because of imperialism
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IGCSE MATHEMATICS 4400 IGCSE MATHEMATICS FORMULAE SHEET – HIGHER TIER Pythagoras’ Theorem c Volume of cone = r 2h r3 Surface area of sphere = 4 r2 r l a a2 + b2 = c2 4 3 Volume of sphere = Curved surface area of cone = rl b hyp 1 3 h r opp adj = hyp cos opp = hyp sin opp = adj tan sin adj hyp tan or C opp hyp cos adj In any triangle ABC opp adj b a A B c a sin A Sine rule: b sin B c sin
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The purpose of a university education is to broaden the mind. Discuss The term “broaden your mind” can be defined as expanding intellectual capacity and providing a broader perspective on life. The aim of this essay is to discuss the concept that universities broaden the mind‚ which can be argued from many different perspectives. Firstly the issue of a university having purpose must be discussed‚ the definition of a university is ‘the establishment where a seat of higher learning is housed
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(2013). Sage 300 ERP. Retrieved from http://na.sage.com/sage-300-erp/solutions/accounting-and-finance SAP. (n.d.). Develop a responsive supply network – with our supply chain management (SCM) solutions. Retrieved from http://www54.sap.com/solution/lob/scm/software/overviews/ highlights.html Khoshraftar‚ A.‚ Yazdi‚ M.‚ Ibrahim‚ O.‚ Amini‚ M.‚ Nilashi‚ M.‚ Khoshraftar‚ A.‚… Talebi‚ A. (2011 December). Improving the CRM system in healthcare organization. International Journal of Computer Engineering
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For thousands of years‚ humans have been valiantly attempting to stop the most detrimental and limiting factor on our civilization. This plague has been unrelenting since before humans first stood on two legs. Violence has been studied by hundreds‚ if not thousands of psychologists‚ economists and other social workers and after all this work experts homicides have decreased by up to 100 times from Oxford in the 1300s. However violence is still deeply rooted in our society and people are increasingly
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