參數資料
型號: TB1254N
廠商: Toshiba Corporation
英文描述: PAL / NTSC / SECAM 1CHIP (IF+VCD PROCESSOR) IC
中文描述: PAL / NTSC制式/ SECAM制式1CHIP(中頻光碟處理器)芯片
文件頁數: 26/58頁
文件大小: 551K
代理商: TB1254N
Ver3.7
00/01/28
26
ITEM
SYMBOL
TEST
CIRCUIT
TEST
CINDITION
MIN
TYP
MAX
UNIT
UCYCEN
UCYMIN
SCONMAX
SCONMIN
SHP
SHMAX
SHCEN
SHMIN
V
Y
70
V
Y
80
V
Y
90
G
Y
BLEX
V
BLEX 25IRE
V
BLEX 35IRE
V
BLEX 45IRE
V
dcrest85
V
dcrest120
V
dcrest step
V
WPS
G
TRAP
358
G
TRAP
443
G
HTY
4.2
-9.8
1.5
-4.0
2.05
3.6
1.3
-8.4
70
77
84
5.7
-7.8
2.5
-3.0
2.75
6.6
3.3
-5.4
73
80
87
-5
1.2
25
34
43
90
115
8
2.8
-29
-27
-6
7.2
-5.8
3.5
-2.0
3.80
9.6
5.
-2.4
76
83
90
Sub Contrast Control Characteristics
V10
dB
Sharpness Peaking Frequency
Sharpness Control Characteristics
V11
V12
MHz
dB
Y
correction start point
V13
IRE
Y
correction curve
Black Expansion AMP Gain
Black Expansion Start Point
dB
V14
1.05
21
30
39
85
110
5
2.5
-6.5
1.45
29
38
47
95
120
11
3.3
-25
-23
-5.5
V
DC restration gain
V15
IRE
WPS Level
Chroma Trap Gain
V16
V17
Vp-p
dB
Half Tone reduction for Y
V18
dB
CHROMA STAGE
ITEM
SYMBOL
TEST
CIRCUIT
TEST
CINDITION
C1
MIN
TYP
MAX
UNIT
ACC Chara.
ACCL
ACCH
0T443
T443
0B443
B443
0T358
T358
0B358
B358
25
40
805
690
1035
60
8.0
-20
-21
56
-56
56
-56
0.67
0.45
0.82
0.38
0.90
0.36
0.87
0.52
mV p-p
600
595
510
765
-60
4.0
-27
28
-28
28
-28
0.47
0.31
0.62
0.26
0.70
0.24
0.67
0.36
1000
5.16
1.86
4.45
1.86
4.30
1.92
3.67
1.92
700
600
900
0
6.5
-24
42
-42
42
-42
0.57
0.38
0.72
0.32
0.80
0.30
0.77
0.44
TOF Chara.(4.43)
BPF Chara. (4.43) fo
fo
Q
C2
MHz
MHz
MHz
MHz
Q
fo
Q
fo
Q
TOF Chara. (3.58)
BPF Chara. (3.58)
C Delay Time (P/N)
t
CDELPN
C3
ns
C Delay Time (SECAM)
Time Difference between Y / C
Color Control Characteristics
t
CDELS
t
Y/C
COLMAX
COLMIN
UCCMIN
443MAX
443MIN
358MAX
358MIN
V
PR/B
V
PG/B
V
NR/B
V
NG/B
V
NR/B
V
NG/B
V
NR/B
V
NG/B
MAX
MIN
C4
dB
Uni-Color Control Characteristics
TINT Chara.(4.43NTSC)
C5
C6
dB
deg
MAX
MIN
MAX
MIN
R/B
G/B
R/B
G/B
R/B
G/B
R/B
G/B
TINT Chara.(3.58NTSC)
Relative Amplitude (PAL)
C7
Relative Amplitude (NTSC1)
Relative Amplitude (NTSC2)
Relative Amplitude (DVD)
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