EE3113_A2009_L17

EE3113_A2009_L17 - semiconductors ECE3113_L17 4 • Space...

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ECE 3113 INTRODUCTION TO RF CIRCUIT DESIGN Lecture Notes for A-term 2009 LECTURE 17 Prof. R. Ludwig Department of Electrical and Computer Engineering Worcester Polytechnic Institute Worcester, MA 01609 copyright © 2009, R. Ludwig Copyright, 1998 © R. Ludwig
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ECE3113_L17 2 Objectives • What are the transport mechanisms in a semiconductor? • What is the difference between majority and minority carriers? • What is the basic diode equation?
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ECE3113_L17 3 Semiconductor fundamentals • Basic semiconductor lattice structure • intrinsic, n and p-type
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Unformatted text preview: semiconductors ECE3113_L17 4 • Space charge formation across the pn junction • Behavior of junction due to an applied voltage ECE3113_L17 5 Voltage-Current response of conventional diode V-I current behavior I I ) 1 ( / T A V V e I I ECE3113_L17 6 Key terms • Concentrations – Majority carrier: n n , p p – Minority carrier: n p , p n • Band model, Fermi energy • Barrier voltage • Space charge, junction capacitance • reverse and forward biasing • V/I characteristics...
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EE3113_A2009_L17 - semiconductors ECE3113_L17 4 • Space...

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