M62495AFP データシートの表示（PDF） - Renesas Electronics
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M62495AFP Datasheet PDF : 12 Pages
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M62495AFP
Function Description
(1) Equivalent circuit of the bass boost
1
IN
Fo =
2 π R1(R2+R3)C1C2
(Hz)
R3
9,16
TONEL
C1
R2
C2
R1
Q=• •
1
C1+C2
C1C2R2
R1
10,15
OUT
R2+R3
(C1 = C2)
R1 +2
Gv = 20log
(dB)
R3
+2
R1
R2,R3 (typical)
Bass boost 3dB 6dB 9dB 12dB 15dB 18dB 21dB
Resistor R2 15.4 25.7 32.9 38.7 41.6 44.2 46
(k) R3 30.6 20.3 13.1 7.3 4.4 1.8 0
(2) Equivalent circuit of the treble boost
IN
OUT
1
Fc •=• 2 π • R2 • C1
(Hz)
R1
R3
R2
R1+ { (R2+Zc)//R3 }
Gv = 20log
(dB)
(R2+Zc) // R3
1
Zc = jωC1
(ohm)
8,17
TONEH
C1
R2 (typical)
Treble boost 3dB 6dB 9dB
R2 (k)
5.3 2.2 1.2
Rev.1.00, Jul.24.2003, page 9 of 11
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