Lec17 FET Intro - Last Lecture Metal-Semiconductor Junction M > S n-type Evac qM EFM q EC EFS EV Evac Evac qM qB qVbi q EC EV 1 Vbi = M S = M(EC E

Info iconThis preview shows pages 1–6. Sign up to view the full content.

View Full Document Right Arrow Icon
Last Lecture: Metal-Semiconductor Junction φ M > φ S , n-type E vac D bi S d qN V x W ε 2 = E vac qV bi E C E V q χ q φ M q φ B q φ M E FM E C q χ E V E FS E vac () + = = f C M S M bi E E q V 1 χ φ
Background image of page 1

Info iconThis preview has intentionally blurred sections. Sign up to view the full version.

View Full DocumentRight Arrow Icon
Last Lecture: Metal-Semiconductor Junction () + = = f C M S M bi E E q V 1 χ φ E vac qV bi E vac qV bi E C E V q χ q φ M q φ B q φ M φ M > φ S , n-type φ M < φ S , n-type q χ E C E V φ M > φ S , p-type φ M < φ S , p-type E vac E vac qV bi qV bi E C E V q χ q φ M q χ E C q φ M E V
Background image of page 2
Schottky Diode Current V A > 0, J MS < J SM V A = 0, J MS = J SM E C E V E FS E FM E C E V V A < 0, J MS > J SM = 1 exp kT n qV J J a S 1 . 1 0 . 1 n E C E V E FS E FM = kT q T A J B S φ exp 2 * Current flow is due to majority carriers through thermionic emission process
Background image of page 3

Info iconThis preview has intentionally blurred sections. Sign up to view the full version.

View Full DocumentRight Arrow Icon
EECS 320 Field Effect Transistor Introduction and MESFET/JFET
Background image of page 4
Transistor Goal: Control output with small input
Background image of page 5

Info iconThis preview has intentionally blurred sections. Sign up to view the full version.

View Full DocumentRight Arrow Icon
Image of page 6
This is the end of the preview. Sign up to access the rest of the document.

This note was uploaded on 01/31/2011 for the course EECS 320 taught by Professor Philips during the Spring '06 term at University of Michigan.

Page1 / 14

Lec17 FET Intro - Last Lecture Metal-Semiconductor Junction M > S n-type Evac qM EFM q EC EFS EV Evac Evac qM qB qVbi q EC EV 1 Vbi = M S = M(EC E

This preview shows document pages 1 - 6. Sign up to view the full document.

View Full Document Right Arrow Icon
Ask a homework question - tutors are online