ECE474S09_Lecture32

# ECE474S09_Lecture32 - ECE 474 Principles of Electronic...

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Unformatted text preview: ECE 474: Principles of Electronic Devices Prof. Virginia Ayres Electrical & Computer Engineering Michigan State University [email protected] Lecture 32: Chp. 05: Current State-of-Art Transistors Introduction to pn junctions pn junction no battery: No battery V0: OFF Calculate V0 (3 ways!) Calculate maximum E-field E0 Calculate depletion region width W (xp0, xn0) pn junction with battery: Battery in Forward bias Vf: ON Battery in Reverse bias Vr: really good OFF Capacitances in pn junction: serious limitation Junction capacitance Lecture 32: Chp. 05: Current State-of-Art Transistors Introduction to pn junctions pn junction no battery: No battery V0: OFF Calculate V0 (3 ways!) Calculate maximum E-field E0 Calculate depletion region width W (xp0, xn0) pn junction with battery: Battery in Forward bias Vf: ON Battery in Reverse bias Vr: really good OFF Capacitances in pn junction: serious limitation Junction capacitance Charge storage capcitance Lecture 32: Chp. 05: Current State-of-Art Transistors Introduction to pn junctions pn junction no battery: No battery V0: OFF Calculate V0 (3 ways!) Calculate maximum E-field E0 Calculate depletion region width W (xp0, xn0) pn junction with battery: Battery in Forward bias Vf: ON Battery in Reverse bias Vr: really good OFF Capacitances in pn junction: serious limitation Junction capacitance Charge storage capcitance Built in E-field E(x): |E(x ) |-magnitude changes across the depletion region E(x )-direction is right to left Q= Lecture 32: Chp. 05: Current State-of-Art Transistors Introduction to pn junctions pn junction no battery: No battery V0: OFF Calculate V0 (3 ways!) Calculate maximum E-field E0...
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## This note was uploaded on 04/14/2009 for the course ECE 476 taught by Professor Ayres during the Spring '09 term at Michigan State University.

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ECE474S09_Lecture32 - ECE 474 Principles of Electronic...

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