m62443fp Mitsumi Electronics, Corp., m62443fp Datasheet - Page 8

• Manufacturer Part Number: m62443fp
• Description: Tone And Volume Controller With 4 Input Selector
• Manufacturer: Mitsumi Electronics, Corp.

ref
( 1 ) EQUIVALENT CIRCUIT OF TONE CONTROL
C1
C2
FUNCTION EXPLANATION
FIG2. The equivalent circuit used L.
The resonance circuit is able to construct by using built-in
amplifier for simulated inductor. (Shows the constant as
follow)
L
FIG1.
(=1.8K )
C1
The circuit used simulated inductor.
R1
ref
(=117K )
R3
R2
R3
SIMAMP
Inside 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
M62443SP/FP
SOUND CONTROLLER
R1=1.8K , R2=117K
C1=0.47µ , C2=0.022µ
( C2 • R2 ) / ( C1 • R1 )
C1 • C2 • R1 • R2 [Hz]
( f=100Hz )
.
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