Figure 19. AC Amplifier
VCC
0.1 µF
10 kΩ
Inputs
50 Ω
10 kΩ
0.1 µF
10 kΩ
–
1/2
TL062
+
5
1
250 kΩ
TL062 TL064
Figure 20. High–Q Notch Filter
1.0 MΩ
Output
–
VCC
1/2
R1
R2
TL062
Output
Input
+
C3
VEE
R3
R1 = R2 = 2R3 = 1.5 MΩ
C1
C2
C1 = C2 =
C3
2
= 110 pF
fo =
1
2π R1 C1
= 1.0 kHz
Figure 21. Instrumentation Amplifier
Input A
100 kΩ
VCC
–
TL064
+
VEE
Input B
100 kΩ
+
VCC
TL064
–
VEE
10 kΩ
0.1%
10 kΩ
0.1%
VCC
–
TL064
+
VEE
10 kΩ
0.1%
10 kΩ
0.1%
100 kΩ
VCC
–
TL064
+
VEE
1.0
MΩ
100 Ω
Output
Figure 22. 0.5 Hz Square–Wave Oscillator
CF = 3.3 µF
RF = 100 kΩ
3.3 kΩ
+15 V
–
1/2
TL062
+
–15 V
1
f=
2π RF CF
3.3 kΩ
1.0 kΩ
9.1 kΩ
1.0 µF
Input
100 kΩ
100 µF
Figure 23. Audio Distribution Amplifier
1.0 MΩ
VCC
–
TL064
+
100 kΩ
100 kΩ VCC
100 kΩ
VCC
–
TL064
+
Output A
VCC
–
TL064
+
Output B
VCC
–
TL064
+
Output C
MOTOROLA ANALOG IC DEVICE DATA
7