R2A15908SP Ver la hoja de datos (PDF) - Renesas Electronics
Número de pieza
componentes Descripción
Fabricante
R2A15908SP Datasheet PDF : 14 Pages
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R2A15908SP
Function Description
1. Tone Control
<1> Bass Circuit
Boost
IN
+
-
R3 R2
OUT
Cut
IN
C1 C2
R1
+
-
OUT
R2 R3
C2
C1
R1
1
fo =
(Hz)
2π R1(R2+R3) C1C2
Setting [dB]
±0
Q
~=
1
C1+C2
C1C2R2
R1
(R3=0)
±2
Gv = 20log
R2R+1R3+2
R3 +2
(dB)
±4
±6
±8
R1
(C1=C2)
± 10
R1=8.2kΩ
C1=C2=0.068μF
R2[Ω]
R3[Ω]
0 80000
19820 60180
35570 44430
48040 31920
58020 21980
65910 14090
1
fo =
(Hz)
2π R1(R2+R3)C1C2
± 12
± 14
72190
77170
7810
2830
Q
~=
1
C1+C2
C1C2R2
R1
(R3=0)
Gv = 20log
R3 +2
R1
R2+R3
R1 +2
(dB)
(C1=C2)
<2> Treble Circuit
Boost
IN
+
-
R1 R2
C
OUT
Av= 20log
2
{ω C(R1+R2)} +1
(ωCR12 ) +1 (dB)
*ω=2πf
C=8200pF
Setting [dB] R1 [Ω]
± 0 30000
R2 [Ω]
0
± 2 23810 6190
± 4 18890 11110
± 6 14970 15030
Cut
IN +
-
OUT
R2 R1
C
± 8 11850 18150
± 10 9350 20650
± 12 7340 22660
± 14
Av= 20log
(ωCR1 )2+1
{ω C(R1+R2)}2 +1 (dB)
5730 24270
*ω=2πf
REJ03F0270-0100 Rev.1.00 Jan 25, 2008
Page 13 of 13
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