m62492fp Mitsumi Electronics, Corp., m62492fp Datasheet - Page 15

• Manufacturer Part Number: m62492fp
• Description: Digital Sound Controller With Surround
• Manufacturer: Mitsumi Electronics, Corp.

C1
(2).Equivalent circuit of tone control(bass boost,bass,mid)
C2
D-62492SO-8XA
Fig.3 Equivalent circuit using L
resonance circuit block
Fig.1 Internal resonance equivalent circuit(bass,mid)
T1O1
T1R1
C1
T1I1
L
R1
note:The resistance R1,R2 and R3 are
Fig.1 and 2 mean Fig.3 in equivalence.
The part constant is converted by the following formula.
required for the bass boost block.
L=C2 • R1 • R2
R1
R2
R3
Fig.2 Internal resonance equivalent circuit(bass boost)
C1
C2
DIGITAL SOUND CONTROLLER WITH SURROUND
MITSUBISHI
ELECTRIC
T1O1
T1R1
T1I1
Center frequency
f0 = 1 / 2
Q =
R3
(Ex.)Bass band
R1
(C2 • R2 ) / (C1 • R1 )
R1=1.5K , R2=156K
C1=0.82µ, C2=0.0056µ
MITSUBISHI SOUND PROCESSORS
R2
C1 • C2 • R1 • R2 [Hz]
M62492FP
(
( f=150Hz )
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