NJW1136
PRELIMINARY
AUDIO PROCESSOR with Subwoofer Output
I
GENERAL DESCRIPTION
The
NJW1136
is a sound processor with subwoofer
output includes all of functions processing audio signal for
TV, such as tone control, balance, volume, mute, and AGC
functions.
Also the
NJW1136
includes the LPF for subwoofer output
and bass boost function.
The original surround system reproduces natural surround
sound and clear vocal orientation.
2
All of internal status and variables are controlled by I C
BUS interface.
I
PACKAGE OUTLINE
NJW1136GL1
NJW1136L
I
FEATURES
8 to 13V
G
Operating Voltage
NJW1136D
G
3ch Output(Lch, Rch, Subwoofer ch) / 2ch Output(Lch, Rch)
G
LPF Filter (Adjustable cut off frequency by external parts)
G
AGC Circuit (It reduces volume difference among input sources.)
2
Adjustable AGC boost level by external parts and AGC compression level by I C BUS
G
eala(NJRC Original Surround System)
G
Simulated Stereo
2
G
I C BUS Interface
G
Bi-CMOS Technology
SOP32, DIP32
G
Package Outline
I
BLOCK DIAGRAM
AGC1
SS-FIL
TONE TONE
-Ha -La LF1 LF2 LF3
OUTa
SCL SDA ADR
IN a
VOL1
TONE
VOL2
I
2
CBUS
Interface
AGC
eal a
&
Simulated
Stereo
CVA
CVB
CVW
CTH
CTL
CSR
PORT1
PORT0
AUX1
AUX0
LPF
VOL2
Trimmer
IN b
VOL1
TONE
VOL2
Bias
GND
V+
AGC2
SR-FIL
TONE TONE
-Hb -Lb
OUTb
OUTw
Vref
(1/24) G
NJRC [ NEW JAPAN RADIO ]
