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NJW1151

6-CHANNEL ELECTRONIC VOLUME

Japan Radio Corporation  

NJW1151

s Definition of cut-off frequency for Tone Control

Cut-off frequency for Tone Control is adjustable with changing the capacitor C1, C2 in below circuit.

See the next function for the cut-off frequency.

Tone

Control

LTIN/RTIN

LTOUT/RTOUT

LTC/RTC

LBC1/RBC1

LBC2/RBC2

LBC3/RBC3

4.7uF

C1

C2

10uF

EX) C1 =10uF, C2 = 680nF

Cut-off frequency for Treble = 3.9kHz

Cut-off frequency for Bass = 238Hz

1) TREBLE =+/-10dB

fc = 39.2 ∗10 −6

C1

2) BASS =+/-10dB

fc = 161.7 ∗10 −6

C2

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