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PDF NJW1300B Data sheet ( Hoja de datos )
| Número de pieza | NJW1300B | |
| Descripción | Signal Processor for TFT Display / QFP64-G1 | |
| Fabricantes | JRC | |
| Logotipo |  |
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NJW1300B
SIGNAL PROCESSOR FOR COLOR TFT
s GENERAL DESCRIPTION
The NJW1300B is a color TFT signal processor which
include color signal modulator , count down circuit , RGB
demodulator , RGB interface , and common pole driver ,
required by color TFT signal processing after Y/C separator.
It corresponds broadcasting systems of both NTSC and
PAL , because it can select the down (1/525 or 1/625) by
the internal switch.
The NJW1300B is suitable for TFT LCD panel and car
navigation systems.
s PACKAGE OUTLINE
NJW1300BFG1
s FEATURES
q Supply Voltage 5V
q Y/C Separator Input
q NTSC/PAL System (3.58MHz, 4.43MHz)
q Unnecessary Adjustment of Oscillation Frequency
for Internal Count Down Circuit.
q External One System Input for Analog RGB
q Internal Enhancer Circuit
q Internal GAMMA 1 Point Correction Circuit
q Internal Color TFT Common Pole Driver
q Bi-CMOS Technology
q Package Outline
TQFP64
s BROCK DIAGRAM
64 63 62 61 60 59 58 57 56 55 54 53 52 51 50 49
1 SYNCSEP AFC 32fH
vco
2
48
47
3 46
V ALT ALT ALT
4
COUNT DOWN
AMP AMP AMP
45
5H
6 COUNT DOWN
44
43
7
8 ACC
9
10
COLOR
IDENT
REG
PICTURE
42
41
40
39
11 APC
12
13 TINT
14
15 VCO
KILLER
DEMOD
MATRIX
CLA CLA CLA
MP MP MP
GAIN
B
GAIN
R
CONT CONT CONT
RAST RAST RAST
38
37
36
35
34
16
INT/EXT SW
33
s PIN CONFIGURATION
1.VCOMAMP 23.VCC1
45.BRIGHT
2.VCC3
24.YINH
46.FRP
3.VCOMIN
25.CLAMPB 47.VCC2
4.VCOMCENT 26.YIN
48.ROUT
5.VCOMFB 27.EXTING1 49.VCENTER
6.VCOMOUT 28.SW1
50.GOUT
7.VEE1
29.CLAMPG 51.CDET
8.ACCDET
30.NC
52.BOUT
9.CIN
31.EXTINR1 53.REGOUT
10.IDENT
32.GAINR
54.LPF
11.CLEANING 33.CRAMPR 55.VCOOUT
12.KILLER
34.CONTRAST 56.VCOIN
13.COLOR
35.GACLAMPR 57.GND1
14.TINT
36.GAINB
58.VS
15.APC
37.GACLAMPG 59.GND2
16.VCXO1
38.VG1
60.SYNCIN
17.VCXO2
39.VG2
61.VDD
18.CHROMAOUT40.GACLAMPB 62.VD
19.RYIN
41.SUBVG2R 63.HD
20.BYIN
42.SUBVG2B 64.DIGREF
21.PICTURE 43.SUBVG1R
22.EXTINB1 44.SUBVG1B
17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32
Ver.5
-1-
1 page  
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NJW1300B
s ELECTRICAL CHARACTERISTICS (Ta=25°C,Vcc1=5V,Vcc2=5V,Vcc3=7V,VDD=5V,VEE1=-5V,
V1=V4=V34=V45=2.5V,V21=V28=V60=0V,V13=2.9V,V14=2.7V,V38=1V,V39=3V)
PARAMETERS SYMBOL
TEST CONDITIONS
MIN. TYP. MAX UNIT
ACC
Characteristic
(PAL)
Color Control
Gain Variable
Range
APC Capture
Range
(NTSC)
V46=5V,V14=0V,SG6 (4.43MHz, 0dB,
GA3
+6dB, -25dB) applied to V9, SG2 applied
to V60.
-
0 2.0 dB
Measure the amplitude on V18 at 0dB,
+6dB, -25dB. Define the each value as A,
GA4
B, and C.
GA3 = 20log(B / A)
-12.5 -7.5 - dB
GA4 = 20log(C / A)
V46=5V, SG6 applied to V9, SG2 applied
Gc1 to V60. Define the each chroma amplitude - -30.0 -20.0 dB
at V14=0V,2.9V and 5V as A, B and C.
Gc2
Gc1 = 20log(A / B)
Gc2 = 20log(C / B)
0.7 2.7 - dB
SG6 (3.58MHz, 0dB) applied to V9,
V46=5V, SG2 applied to V60. Adjust the
fA1 BURST frequency until the voltage on V12
-
-2900 -700
Hz
is 2V. Work out difference between the
frequency at that time and 3.579545MHz.
fA1 = when approach BURST frequency
fA2
from low frequency.
fA2 = when approach BURST frequency
+700 +1500
-
Hz
from high frequency
APC Capture
Range
(PAL)
TINT Variable
Range
NTSC /PAL
Switching
Voltage
Color Killer
Operating Input
Level(NTSC)
Color Killer
Operating Input
Level (PAL)
fA3
fA4
θT1
θT2
VTHNP
VKIN1
VKIN2
SG6 (4.43MHz, 0dB) applied to V9,
V46=5V, Variable the BURST frequency
until the voltage on V12 is 2V. Work out
the difference between the frequency at
that time and 4.433619MHz.
fA3 = when approach BURST frequency
from low frequency
fA4 = when approach BURST frequency
from high frequency
SG6 applied to V9, SG2 applied to V60.
Define the phase causing the maximum
amplitude at V14=1.8V on Gout as A.
Define the each phase causing the
maximum amplitude at V14=2.7V, 3.6V
on Gout as B and C.
θT1 = A-B
θT2 = C-B
Switch voltage of V14.
SG2 applied V60, SG6 (NTSC) applied to
V9. Decrease the input amplitude until the
killer is turned on, and measure the input
attenuation.
SG2 applied V60, SG6 (PAL) applied to
V9. Decrease the input amplitude until the
killer is turned on, and measure the input
attenuation.
- -2500 -600
+600 +1700
-
-30 -60
-
- +60 +30
0.4 0.7 1.0
- -42 -37
- -38 -32
Hz
Hz
deg
deg
V
dB
dB
Ver.5
-5-
5 Page 
www.DataSheet4U.com
s APPLICATION CIRCUIT (PAL)
(VCC1=5V,VCC2=5V,VCC3=7V,VDD=5V,VEE1=-5V,GND=0V,DIGREF=0V)
NJW1300B
Sync output
HD VD
Syncin
1u 360
910K RGB output
BOUT GOUT ROUT
*3
64 63 62 61 60 59 58 57 56 55 54 53 52 51 50 49
1
Vcc3
2
3
4
*2 *1
5
6
VEE1
Cin
56p
*7
1M
0.1u
0.1u
10M
680p
0.01u
0.047
8.2k 5.6k
0.47u
0.01u
*4
7
8
9
10
11
12
13
14
15
16
500
SYNCSEP AFC 32fH
VCO
V
COUNT DOWN
H
COUNT DOWN
ALT ALT ALT
AMP AMP AMP
ACC
APC
TINT
VCO
COLOR
IDENT
KILLER
REG
PICTURE
DEMOD
MATRIX
CLA CLA CLA
MP MP MP
GAIN
B
GAIN
R
CONT CONT CONT
RAST RAST RAST
INT/EXT SW
17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32
48
47
46
45
44
43
42
41
40 0.1u
39
38
37 0.1u
36
35
0.1u
34
33
0.1u
Vcc2
FRP
0.01u
12 3
*5
6
390
3
2
4
4
*6
1
Vcc1
Yin
B1 G1 R1
Ext RGB input
*1:2SC2120Y,2SC1959Y
*2:2SA950Y,2SA562TM
*3:32fH Ceramic CSBLA500KECZF2 (Murata)
*4:4.433619MHz X’ta NR18 (Nippon Denpa Kougyo)
*5:Maching Coil 5PNP-3086UH (Toko)
*6:Deray Line ADL-CP145 (Asahi Garasu)
*7:Burst Creaning Coil 332PN-2636BS (Toko)
Ver.5
- 11 -
11 Page | ||
| Páginas | Total 27 Páginas | |
| PDF Descargar | [ Datasheet NJW1300B.PDF ] | |
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