
HA12167FB/HA12169FB
29
Gain
g1
g2
g3
f1
f2
f3
f
BW
3dB
Figure 10 REC Equalizer Frequency Response
g1=
9
R
6.67
R
R
g2
9
R
R
g3
9
R
R
when Gain of EQ - VR is center
REF
GP
GH
GL
REF
GH
REF
×
+
(
)
= ×
= ×
f1=
1
2
6.67
10
R
–10
FM
π ×
×
×
f2 =
R
2
6.67
10
R
R
GL
–10
FM
GH
π ×
×
×
×
0.3
2.25 10
R
R
–21
FQ
F/Q
×
×
×
1
10
R
–10
F/Q
×
×
R
R
F/Q
FQ
×
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