M62420 Mitsubishi, M62420 Datasheet - Page 8
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M62420
Manufacturer Part Number
M62420
Description
SOUND CONTROLLER FOR TV
Manufacturer
Mitsubishi
Datasheet
1.M62420.pdf
(16 pages)
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ref
( 1 ) EQUIVARATION CIRCUIT OF TONE CONTROLL
C1
C2
FUNCTION EXPLANATION
FIG2. The equivalent circuit used L.
The resonance circuit is able to consstruct by using built-in
amplifier for simurated inductor. (Shows the constant as
follow)
L
FIG1.
(=1.8K )
C1
The circuit used simurated inductor.
R1
ref
(=136K )
R3
R2
R3
SIMAMP
Incide IC
MITSUBISHI
ELECTRIC
FIG1 is equal to FIG2.
The following relation is concluded.
Center frequency
f0 = 1 / 2
Q =
( EX ) BASS band
MITSUBISHI SOUND PROCESSOR
L=C2 • ER1 • ER2
M62420SP/FP
SOUND CONTROLLER FOR TV
R1=1.8K , R2=136K
C1=0.47µ , C2=0.022µ
( C2 • R2 ) / ( C1 • R1 )
C1 • C2 • R1 • R2 [Hz]
( f=100Hz )
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16
)