REJ03F0035_M61524FP Datasheet, PDF (16/21 Pages) Hitachi Semiconductor – 2ch ELECTRONIC VOLUME WITH 4 INPUT SELECTOR

M61524FP
Bass Boost
IN
OUT
GO
Q=2, (G=6dB)
0dB
R1
VI N ^{C1 C2}
VO
+K
R2
K=1
1
fo =
Hz
2π R1R2C1C2
R1R2C1C2
Q=
R1(C1+C2)+(1-K)R2C2
F0
H.P.F characteristic Reference
Q
GO
1
0~1dB
2
6dB
4
10dB
5
13dB
10
20dB
Frequency response of Bass boost
R1=1.8kΩ, R2=27kΩ, C1=C2=0.47µF(f0≅50Hz, Q≅2)
* This frequency response is a simulation result.
Rev.1.0, Sep.19.2003, page 16 of 20