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HA12155 データシートの表示(PDF) - Hitachi -> Renesas Electronics

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HA12155 Datasheet PDF : 57 Pages
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HA12155NT/HA12157NT
Gain
g1
3dB
BW
g2
g3
f1 f2
f3
f
Figure 10 REC Equalizer Frequency Response
gl
=
4.16
R REF
(6.67
× R GP
+
RGH )
g 2 = 4.16 × RGL
R REF
g3 = 4.16 × RGH
RREF
f1
=
2π
× 6.67
1
× 10 10
× R FM
f2
=
2π
× 6.67
RGL
×1010 × R FM
×
RGH
f3
=
1
2π
0.3
2.25 ×10 21 × R FQ × R F / Q
BW
=
1
4 π × 2.78 × 1010
×RF/
Q
Q = f3 = 3.51 × R F / Q
BW
RF/Q
Rev.4, Jun. 1997, page 23 of 57

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