03_ex1fall_frsht

03_ex1fall_frsht - 6.012 Electronic Devices and Circuits...

Info iconThis preview shows pages 1–2. Sign up to view the full content.

View Full Document Right Arrow Icon

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

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

Unformatted text preview: 6.012 Electronic Devices and Circuits Formula Sheet for Hour Exam 1, Fall 2003 Parameter Values: Periodic Table: q = 1.6 x 10- 19 Coul e = 8.854 x 10- 14 F / cm III VI V o n e r,Si = 11.7, e Si 10- 12 F / cm B C N i [ Si @ R . T ] 10 10 cm - 3 Al Si P kT / q 0.025 V ; ( kT / q ) ln10 0.06 V Ga Ge As In Sn Sb 1 m m = 1 x 10- 4 cm Drift/Diffusion: Electrostatics: Drift velocity : s = m E e dE ( x ) = r ( x ) E ( x ) = 1 x m x r ( x ) dx dx e Conductivity : s = q (m n +m h p ) e - d f ( x ) = E ( x ) f ( x ) = - E ( x ) dx Diffusion flux : F = - D C m dx m m x d 2 f ( x ) = r ( x ) 1 - e dx 2 f ( x ) = - r ( x ) dxdx D kT m = Einstein relation : e m q m The Five Basic Equations: e 2 Electron concentration : n ( x , t ) - 1 J ( x , t ) = g L ( x , t ) - [ n ( x , t ) p ( x , t ) - n i ] r ( T ) t q x 2 Hole concentraton : p ( x , t ) + 1 J h ( x , t ) = g L ( x , t ) - [ n ( x , t ) p ( x , t ) - n i ] r ( T ) t q x Electron current density :...
View Full Document

This note was uploaded on 07/20/2009 for the course CSAIL 6.012 taught by Professor Prof.cliftonfonstadjr. during the Fall '03 term at MIT.

Page1 / 2

03_ex1fall_frsht - 6.012 Electronic Devices and Circuits...

This preview shows document pages 1 - 2. Sign up to view the full document.

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