PRELIMINARY
NJW1164
AUDIO PROCESSOR with BBE
s
GENERAL DESCRIPTION
The
NJW1164
is a TV audio processor with sound
enhancement (BBE).
The
NJW1164
contains all necessary functions to process
TV audio signal such as volume control, tone control,
balance, mute, AGC and NJRC's proprietary surround sound
process, eala. The eala reproduces a natural surround
sound with clear vocal orientation.
2
The total modes and variables are controlled by the I C bus
interface.
s
PACKAGE OUTLINE
NJW1164L
NJW1164M
s
FEATURES
7.5 to 13V
q
Operating Voltage
2
q
I C BUS Interface
q
BBE Sound Enhancement (Low Boost and High Boost: 15dB max.)
q
eala (NJRC Original Surround)
q
AGC Circuit (It reduces volume difference among input sources.)
q
Simulated Surround
q
Bi-CMOS Technology
SDIP30, SDMP30
q
Package Outline
s
BLOCK DIAGRAM
VOL1
BBE
TONE
VOL2
I
2
C Bus
Interface
AGC
eala
&
Sim ulated
Surround
VOL1
BBE
TONE
VOL2
Bias
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