Hardware Reference
In-Depth Information
a
V
1
Y
Y
CCII+
X
I
0
Z
CCII−
Z
X
V
G
V
G
+ V
2
b
V
1
I
0
V
2
Fig. 8.9 (a) A transconductance multiplier circuit and (b) its symbolic notation proposed by Liu
et al. [
1
]
V
0
V
1
Y
CCII+
X
Z
V
2
R
Fig. 8.10 Analog divider [
1
]
Using this multiplier circuit, another analog divider similar to that of Fig.
8.10
can
be obtained which is shown in Fig.
8.12
.
By straight forward analysis assuming the aspect ratios of all the MOSFETs to
be identical, the output voltage of this circuit is given by:
ð
V
GA
V
GB
Þ
ð
V
in
1
V
in
2
Þ
V
0
¼
ð
8
:
19
Þ
V
2
A circuit to carry out the function of a square rooter is shown in Fig.
8.13
.
Search WWH ::
Custom Search