EE 230
HW 9
Spring 2010
Problem 1
Determine analytically and plot the transfer characteristics of the
following circuit if the Nonlinear Device (NLD) can be modeled with the I-V
characteristics
>
=
≤
=
0
0
V
0
0
D
D
D
D
I
for
V
for
I
.
The transfer characteristics of the NLD are
shown below.
20K
NLD
5K
2K
V
IN
V
OUT
NLD
V
D
I
D
I
D
V
D
Problem 2
Repeat the previous problem if the nonlinear device orientation is
reversed as show.
20K
5K
V
IN
V
OUT
NLD
2K
Problem 3
Assume the nonlinear devices, denoted as D
1
and D
2
, can be modeled as shown below.
a)
Obtain an expression for and plot the transfer characteristics of the following
comparator

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