m62498afp Mitsumi Electronics, Corp., m62498afp Datasheet - Page 14

• Manufacturer Part Number: m62498afp
• Description: Digital Sound Controller With Surround
• Manufacturer: Mitsumi Electronics, Corp.

At vocal cut ON setting, the frequency characteristic can be set like the following,by the
resistance of putting outside:The fixed number of R1 and C1,C2.
This IC incorporates the circuit which realizes a vocal cut function simply by lowering gain in
the area using the mid circuit of the tone control.
But be careful because vocal cut ON setting,the mid of the tone control can not used.
(4) Equivalent circuit of Vocal cut
f
0
1.Vocal cut characteristic
Gv =
=
<CHARACTERISTIC CURVE>
edition
IN
+10dB
-10dB
-20dB
-30dB
20log
0dB
2
R=3K ,C1=C2=0.012µF
R2+R3=200K
R1(R2+R3)C1C2
8dB setting
R2+R3
100
1
R1
2
Frequency f(Hz)
550
+2
1k
(dB)
DIGITAL SOUND CONTROLLER WITH SURROUND
(Hz)
Tone mid corrugation at
Vocal cut OFF setting
10k
f0=550Hz
Gv=-30dB
Tone mid corrugation at
Vocal cut ON setting
VOCAL CUT ON setting :SW OFF
VOCAL CUT OFF setting:SW ON
VOCAL CUT SW
C2
R2
MITSUBISHI
ELECTRIC
+10dB
-10dB
2.Tone control mid
-20dB
-30dB
0dB
characteristic edition
R1
R3
MITSUBISHI SOUND PROCESSORS
R=10K ,C1=C2=6800pF
8dB setting
100
C1
M62498AFP
Frequency f(Hz)
550
1k
(
14
Tone mid corrugation at
Vocal cut OFF setting
10k
/
17
Tone mid corrugation at
Vocal cut ON setting
)
f0=530Hz
Gv=-20dB
OUT