M62445 Mitsubishi, M62445 Datasheet - Page 13

• Manufacturer Part Number: M62445
• Description: DIGITAL SOUND CONTROLLER WITH DYNAMIC BASS BOOST
• Manufacturer: Mitsubishi

C1
C2
Tone control circuit
(1)Equivalent circuit of tone control (bass)
resonance circuit block
INBASS
FBASS
OUT
BASS
Fig.1 Internal resonance equivalent circuit
R1
Fig.2 Equivalent circuit using L
C1
R1
L
R2
R3
MITSUBISHI
ELECTRIC
Fig.1 means Fig.2 in equivalence.
The part constant is converted
by the following formula.
(Ex.)Bass band (f=150Hz )
Center frequency
f0 = 1 / 2
Q =
L=C2 • R1 • R2
R1=1.5K , R2=56K
C1=1.5µ , C2=0.01µ
C2 (R1•R2 ) / C1 (R1+R3)
C1•C2•R1•R2 [Hz]
2
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