TL072-EP, TL074-EP
SLOS747C –OCTOBER 2011–REVISED AUGUST 2012
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APPLICATION INFORMATION
1N4148
18 kΩ (see Note A)
6 sin ωt
−15 V
18 pF
1 kΩ
18 pF
V
CC+
−
V
CC+
88.4 kΩ
TL072
+
−
6 cos ωt
TL072
+
88.4 kΩ
V
CC−
1 kΩ
18 pF
V
CC−
15 V
18 kΩ (see Note A)
1N4148
88.4 kΩ
NOTE A: These resistor values may be adjusted for a symmetrical output.
Figure 22. 100-kHz Quadrature Oscillator
V
CC+
−
1 MΩ
TL074
+
Output A
V
CC+
−
V
CC−
V
CC+
1 µF
TL074
+
−
Input
TL074
+
Output B
V
CC−
100 kΩ
100 µF
100 kΩ
V
100 kΩ
CC−
CC+
V
CC+
V
100 kΩ
−
TL074
+
Output C
V
CC−
Figure 23. Audio-Distribution Amplifier
12
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