First, Second and Higher Order Filter Design Using Current Conveyors - Current Conveyors: Variants, Applications and Hardware Implementations - page 146

R 3

CCII+

CCII+

V in

z

y

2

V 02

1

z x

V 01

x

y

R 1 R 2

C 1

CCII+

x

z

3

y z

V 03

y

x

C 2

CCII+

Fig. 6.11 Voltage-mode notch, LPF and BPF proposed by Chang [ 17 ]

CCII+

CCII-

V 02

y x

z y

+

-

x

R 2

z

R 4

C 1

C 2

R 1 CCII-

CCII+

V in V 03 x

V 01

x

z

-

z

+

y

R 3

y

Fig. 6.12 Voltage-mode HPF, BPF and LPF proposed by Chang [ 17 ]

CCII-

V 02 R 2

CCII+

x

x

z

z 2

1

y

y

R 3

V in1

C 1

C 2

CCII-

CCII-

y

y

R 4

4

z z

V 01

3

V 03

x

V in2

x

R 1

Fig. 6.13 Voltage-mode APF, notch, BPF and LPF proposed by Chang [ 17 ]