Hardware Reference
In-Depth Information
a
+V
b
+V
+
R
0
R
0
V
EB1
+
+
e
V
EB1
−
V
EB2
−
Q
1
−
Q
2
Q
1
I
o
V - V
EB1
+V
I
o
=
=
R
0
R
0
I
o
c
+V
d
Y
X
v
y
v
x
R
0
i
y
i
x
Q
2
Q
1
V
R
0
Q
1
Q
2
Z
I
o
I
o
=
v
z
i
z
I
o
Q
4
Q
3
Q
4
Q
5
Q
3
Q
5
−V
−V
e
+V
Q
9
Q
8
Q
10
Q
7
Q
6
Y
X
Z
Q
2
Q
1
Q
4
Q
3
Q
5
−V
Fig. 1.1 The evolution of the first generation CC (CCI) (a) The common-base configuration as a
constant current source (b) temperature compensation principle (c) temperature-compensated
constant current source (d) The conceptualization of a generic three-port active building block-
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