NMOS Summary (model)

For the enhancement-mode NMOS transistor, VTN > 0. For the depletion-mode NMOS, VTN < 0.

PMOS Summary (model)

NJIT ECE271 Dr. Serhiy Levkov

JFET n-Channel Model Summary

Chap 4-3

NJIT ECE271 Dr. Serhiy Levkov

JFET p-Channel Model Summary

Chap 4-4

NMOS and PMOS Summary (regions of operation)

BJT simplified models

iCIS

R

iEIS

F

iBIS

F

IS

R

Cut-off region

,E R B E R Ci i i i

FAR

Saturation region

NL CVD

, ,exp exp expS SBC BC BCC E S B

T T TR R

i iv v vI Ii IV V V

CVDNL

iC + iB = iE.

, ,( 1)C F B E F B C F Ei i i i i i , ,exp exp expS SBE BE BE

C S E BT T TF F

v v vI Ii I i iV V V

PNP

NPN

RAR

E

C

Ci