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y
z
y
CCII+
y
x
z
CCII+
R
1
C
1
x
z
CCII+
C
2
R
A
x
R
2
R
3
Fig. 7.21 Fully-uncoupled sinusoidal oscillator proposed by Martinez et al. [
35
]
a
y
z
CCII+
y
x
R
4
C
4
z
x
CCII+
CCII+
z
C
1
x
y
R
2
R
5
R
3
b
y
CCII+
z
y
x
R
4
C
4
x
CCII+
x
z
CCII+
z
C
1
y
R
2
R
5
R
3
Fig. 7.22 Fully uncoupled oscillators proposed by Abuelma
'
atti (Adapted from [
40
]
©
2000
Springer)
In non-ideal analysis of these circuits assuming the voltage gains of the three CCII+
as
ʲ
i
, it is found that the non-ideal expressions for
the FO of these circuits is found to be exactly same i.e.
ʱ
1
ʱ
2
ʲ
1
ʲ
2
ʲ
3
α
i
,i
¼
1
3 and current gains as
C
1
C
4
R
2
R
3
whereas the CO in
both the circuits only slightly different as can be seen from the following:
R
5
ʱ
3
ʲ
3
¼
R
4
;
for the circuit of Fig
:
7
:
22a
ð
7
:
45
Þ
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