I Application Circuit Example
In 2
10 µF
4.7 kΩ
10 µF
0.0047 µF
Out 2
10 kΩ
50 kΩ VR
50 kΩ VR
50 kΩ VR
50 kΩ VR
50 kΩ VR
0.68 µF
0.056 µF
0.22 µF
0.018 µF
0.068 µF
0.0056 µF
0.022 µF
0.0018 µF
24 23 22 21 20 19 18 17 16 15 14 13
AN7333S
0.012 µF
470 Ω
AN7333S
1 2 3 4 5 6 7 8 9 10 11 12
VCC
0.056 µF 0.018 µF 0.0056 µF 0.0018 µF
0.68 µF
0.22 µF
0.068 µF 0.022 µF
50 kΩ VR
50 kΩ VR
50 kΩ VR
50 kΩ VR
50 kΩ VR
10 µF
4.7 kΩ
10 µF
0.0047 µF
• Resonant frequency fo
Out 1
10 kΩ
0.012 µF
470 Ω
Note) VR is B or G type.
In
Out
50 kΩ VR
6.8 kΩ
R1 = 1 kΩ
C1 C2
R2 = 60 kΩ
fO =
1
2 π √ C1 × C2 × R1 × R2
(Internal resistance: R1 = 1 kΩ, R2 = 60 kΩ)
* Internal resistance: As R1 and R2 of internal resistors are common in each oscillation circuit,
fO can be adjustable from an external capacitor.
* Gain can be adjusted by the 50 kΩ variable resistor.
SDC00022BEB
5