Behzad Razavi_Errata in Problem Sets.pdf
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Design of Analog CMOS Integrated Circuits
Behzad Razavi
Errata in Problem Sets
Chapter 2
In Eq. (2.44),
n
must be in the numerator.
Chapter 3
Call the third problem 3.2’.
In Problem 3.2, Fig. 3.68(d), change the gate voltage of
M
2
to
V
b
2
.
In Problem 3.4, Fig. 3.71(a), change the gate voltage of
M
=
1to
V
b
1
.
In Fig. 3.72(e),
V
b
1
must be changed to
V
in
.
In Fig. 3.73(h), the output is at the source of
M
2
.
In Problem 3.10(c), the questionmust be phrased as: Which
device enters the triode region first as
V
out
falls?
In Problem 3.13, first sentence shouldread: ... with
W=L
=
50
=
0
:
5 ...
In Problem 3.16(a), do not neglect channel-length modula-
tion in the triode region.
Chapter 4
In Problem 4.2, assume
I
SS
=
1 mA and change part (a) to:
Determine the voltage gain.
In Problem 4.6, assume
=
0.
In Problem 4.9, assume
=
=
0.
In Problem 4.11, assume
I
D
5
=
20
A.
In Problem 4.13, change the figure number to 4.8(a).
Chapter 5
In Problem 5.16(d), assume
V
TH
does not vary with tem-
perature.
Chapter 6
In Problem 6.4(b) and (d), assume
6
=
0.
Chapter 7
The second sentence of Problem 7.2 should read: Assume
(
W=L
)
1
=
50
=
0
:
5
;I
D
1
=
I
D
2
=
0
:
1 mA ...
In Problem 7.20, change
I
D
1
and
I
D
2
to 0.05 mA.
In Problem 7.24, change the bias current to 0.1 mA.
Chapter 8
In Problem 8.10, change the tolerable gain error to 5%.
In Problem 8.15, Fig. 8.55(b), call label the top
G
m
block
G
m
2
. The output is at the output nodes of
G
m
2
.
Chapter 10
In Problem 10.11, change
I
SS
to 0.25 mA and
(
W=L
)
5
;
6
to
60/0.5.
In Problem 10.12, add: Maximize
V
GS
14
=
V
GS
15
while
leaving at least 0.5 V across
I
1
. Also, in part (b), change
M
2
to
M
1
.
Problem 10.17 should read: ... between the gate and the
drain of
M
2
or
M
3
.
In Fig. 10.42, change the gate voltage of
M
3
;
4
to
V
b
1
.
In Problem 10.19(c), change
A
0
in the numerator to
A
.
Chapter 11
In Problem 11.13, ... such that the circuit operates with
V
DD
=
3V.
In Problems 11.17 and 11.18, the top terminal of
R
2
should
be connected to the top terminal of
R
1
.
In Problem 11.22, assume
K
=
4.
Chapter 12
In Problem 12.8, assume
C
H
=
1pF.
In Problem 12.12, assume all switches are NMOS devices.
In Problem 12.14, assume
C
in
=
0
:
2 pF and calculate
C
1
and
C
2
.
In Problem 12.16, the output is sensed at the drains of
M
1
and
M
2
.
Chapter 13
In Problem 13.5, change the figure number to 13.6(a).
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