Hardware Reference
In-Depth Information
V in
Y
CCII+
X
1
Z
V 0
R
Fig. 8.13 Circuit of a root squarer [ 1 ]
R
V G
R
1
+
R 1
I x
V in
I z
X
CCII+
Y
V 0
Z
V G
Fig. 8.14 Alternative square-rooting circuit proposed by Liu [ 8 ]
V DS
2
I D ¼ ʼ s C ox W
L
ð
V GS
V TH
Þ
V DS
ð
8
:
20
Þ
it can be easily determined that the output voltage of this circuit is given by:
! 1 = 2
V in
R 1 ʼ s C ox W 1
L 1
V 0 ¼
for V in >
0
ð
8
:
21
Þ
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