NP = CM-3B) WHAT IS THE HOLE CONCENTRATION IN THE CHANNEL AT EQUILIBRIUM

A

^NSWER

:

n

p

= cm

^-3

b) What is the hole concentration in the

channel at equilibrium?

A

NSWER

:

p

p

= cm

^-3

c) If the equilibrium channel conductivity is 0.04 [

-cm]

^-1

what is the equilibrium resistance of

the channel (from source to drain)? Include lateral diffusion under the gate in your calculation.

A

^NSWER

:

R = [k

]

d) What is the drain capacitance of this device under zero-bias pn junction conditions assuming

Cox = 3fF/

m

²

, Cj = 1fF/

m

²

, and Cjsw = 0.2fF/

m? Include effects of lateral diffusion.

A

NSWER

:

C

D

= [fF]

e) What is the RC time constant,

n

, of this device at the drain node if the source is connected to

ground and the resistance of the channel during inversion is Rn = 100

Assume C

D

= C

S

=

20fF.

A

NSWER

:

n

= [psec]