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NJW1137M

AUDIO PROCESSOR with SOUND ENHANCEMENT

Japan Radio Corporation  

NJW1137

P R E L I M I N A LY

AUDIO PROCESSOR with SOUND ENHANCEMENT

s GENERAL DESCRIPTION

The NJW1137 is an audio processor with sound

enhancement (BBE). It includes all of functions processing

audio signal for TV, such as tone control, balance, volume,

mute, NJRC original surround, and AGC functions.

The NJRC original surround system reproduces natural

surround sound and clear vocal orientation.

The sound enhancement regenerates high definitive and

nearly real sound.

All of internal status and variables are controlled by I2C

BUS interface.

s PACKAGE OUTLINE

NJW1137L

NJW1137M

s FEATURES

q Operating Voltage

8 to 13V

q I2C BUS Interface

q BBE Sound Enhancement (Low Boost and High Boost: 15dB max.)

q AGC Circuit (It reduces volume difference among input sources.)

q eala(NJRC Original Surround)

q Simulated Surround

q Bi-CMOS Technology

q Package Outline

SDIP30, SDMP30

s BLOCK DIAGRAM

VOL1

BBE

AGC

e ala

&

Sim ulated

Surround

VOL1

BBE

TONE

VOL2

I2C Bus

Interface

TONE

VOL2

Bias

- 1 –F

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