SLOS080J − SEPTEMBER 1978 − REVISED MARCH 2005
17
POST OFFICE BOX 655303 • DALLAS, TEXAS 75265
APPLICATION INFORMATION
Table of Application Diagrams
APPLICATION DIAGRAM
PART
NUMBER
FIGURE
0.5-Hz square-wave oscillator TL071 23
High-Q notch filter TL071 24
Audio-distribution amplifier TL074 25
100-kHz quadrature oscillator TL072 26
AC amplifier TL071 27
Figure 23. 0.5-Hz Square-Wave Oscillator
+
−
−15 V
15 V
Output
1 kΩ
9.1 kΩ
3.3 kΩ
C
F
= 3.3 µF
R
F
= 100 kΩ
3.3 kΩ
TL071
f +
1
2p R
F
C
F
Figure 24. High-Q Notch Filter
+
−
R2R1
C1 C2
R3
C3
V
CC−
V
CC+
TL071
OutputInput
C1 + C2 +
C3
2
+ 110 pF
f
O
+
1
2p R1 C1
+ 1kHz
R1 + R2 + 2R3 + 1.5 MW
100 µF
+
−
+
−
TL074 Output C
V
CC+
V
CC+
Output BTL074
−
+
V
CC+
Output ATL074
−
+
V
CC+
TL074
V
CC+
100 kΩ
Input
1 µF
1 MΩ
100 kΩ
100 kΩ
V
CC−
100 kΩ
V
CC−
V
CC−
V
CC−
Figure 25. Audio-Distribution Amplifier
