Hardware Reference
In-Depth Information
a
V
1
I
B2
I
B1
X
Z+
X
R
x1
I
1
R
x2
Z+
Y
Y
I
B3
Z+
Y
R
x3
X
Z
2
Z
1
b
I
B4
I
B1
I
1
Y
Z+
Z+
Y
V
1
R
x1
R
x4
C
X
X
I
B3
I
B2
Z+
Z+
X
R
x3
R
x2
I
2
Y
X
Y
Z−
V
2
Fig. 9.23 Electronically-controllable Resistance, FDNR and capacitance simulators (Adapted
from [
20
]
©
1999 Elsevier) (a) Circuit for floating FDNR simulation (b) Circuit for floating
capacitance multiplier
where L
p
¼
L
1
+M
11
and L
s
¼
L
2
+M
22
. The various equivalent inductances are
given by:
L
1
¼
R
x
1
R
x
2
C
1
;
L
2
¼
R
x
3
R
x
4
C
2
;
M
11
¼
M
12
¼
R
x
2
R
5
C
1
and
M
21
¼
M
22
¼
R
x
4
R
5
C
2
ð
9
:
25
Þ
It may be noted that the only a single resistor R
5
is used in the circuit which can be
replaced by another CCCII+ configured as a current-controlled resistor.
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