MIT6_012s09_tutor03

MIT6_012s09_tutor03 - X do in thermal equilibrium? c) What...

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MIT OpenCourseWare http://ocw.mit.edu 6.012 Microelectronic Devices and Circuits Spring 2009 For information about citing these materials or our Terms of Use, visit: http://ocw.mit.edu/terms .
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6.012 Microelectronic Devices and Circuits Tutorial #3 Problem 1 pn junction electrostatics Consider a pn junction with N d = 5x10 17 cm 3 and N = 10 17 cm 3 a as sketched below in Figure T3.1. Figure T3.1 : Doping profile for a pn junction a) What is the junction potential drop across the pn junction φ J = φ B in thermal equilibrium? b) What is the depletion layer width
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Unformatted text preview: X do in thermal equilibrium? c) What is the electrostatic field at x=0, E(0), in thermal equilibrium? d) What is the electrostatic potential at x= 0, ( ) , in thermal equilibrium? e) What is the total amount of charge per unit area on the p type side of the junction in thermal equilibrium f) What is depletion capacitance, C j , in thermal equilibrium? g) How do parts a) f) change with a reverse bias of V D = 3V?...
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This note was uploaded on 09/24/2010 for the course EE 6.012 taught by Professor Charlessodini during the Spring '08 term at MIT.

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MIT6_012s09_tutor03 - X do in thermal equilibrium? c) What...

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