Datasheet
A
1
R
2
50kW
A
2
A
3
R
4
50kW
11
R
1
50kW
R
F1
R
F2
C
1
1000pF
C
2
1000pF
3
13 8 7 14
R
Q
LPOutBPOutHPOut
112
50kW
2
V
IN
R
G
DesignEquations
1. =w
n
2
R
2
R R R C C
1 F1 F2 1 2
2.Q =
1
R
Q
R
4
1+
R C
F1 1
R R R C
1 2 F2 2
1/2
3.QA =QA
LP HP
R R C
1 F1 1
R R C
2 F2 2
1/2
R
1
R
2
=A
BP
4.A =
LP
5.A =
HP
R
1
R
2
A =
LP
R
1
1
+
R
2
1
+
R
G
1
RG
R
1
R
G
R
2
6.A =
BP
1
R
Q
R
4
1+
R
1
1
+
R
2
1
+
R
G
1
R
G
Note:IfR =50k ,theexternalQ-settingresistor
canbeeliminatedbyconnectingpin2toground.
W
Q
PinnumbersareforDIP
package.SOIC-16pinout
isdifferent.
UAF42
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SBFS002B –JULY 1992–REVISED OCTOBER 2010
Figure 2. Inverting Pole-Pair
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