Study Guide for ECE 352 at UA
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This 1 page Study Guide was uploaded by an elite notetaker on Friday February 6, 2015. The Study Guide belongs to a course at University of Arizona taught by a professor in Fall. Since its upload, it has received 17 views.
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Date Created: 02/06/15
ECE 352 DEVICE ELECTRONICS Fall Semester 2005 Examination No 3 Study Guide The examination Nov 15 Tuesday will be written and will last 1 hr 15 min Students will be allowed to use 3 sheets of notes This is in addition to the sheet of Useful Data for Examinations that was used in the past and that will be provided Please show your work partial credit may be given At each problem state explicitly all assumptions that you make in the solution process Please write on the paper provided Use additional sheets only if necessary Your writing should be legible and well organized You may loose points for negligent writing and obscure explanations V39 9 89 9 10 ll 12 l3 14 15 Topics to be covered Intrinsic silicon doping majority and minority carriers thermal equilibrium law of mass action Fermi level Diffusion and drift of carriers current density equations relation between electrostatic potential and energy levels electrostatic eld Poisson equation Gauss law Continuity equations excess carriers injection levels de nition and meaning of low level injection behavior of minority carriers diffusion length Generationrecombination S R H model carrier lifetime The HaynesShockley experiment 7 modeling diffusion and drift measurement of minority carrier mobility P N Junction junction potential depletion width dependence on doping levels Electrostatic potential and its relation with the carrier densities QuasiFermi levels and relation to carrier and current densities Minority carrier densities in neutral regions P N junction modeling under the assumption of abrupt junction Biasing of P N junction junction law IV characteristic of P N junction Computation of characteristic quantities such as junction width builtin voltage saturation current etc Metal semiconductor contacts energyband diagrams idealized modeling Imperfections neglected in building model of P N junctions and their effects Please review homework assignments study problems and practice problems Solutions to the problems are available on the class Web Page ECEARIZONAEDUECE352
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