參數(shù)資料
型號: TB1251
廠商: Toshiba Corporation
英文描述: PAL/NTSC/SECAM 1 Chip (IF + VCD processor) IC
中文描述: PAL / NTSC制式/ SECAM制式1片(中頻光碟處理器)芯片
文件頁數(shù): 2/80頁
文件大?。?/td> 1935K
代理商: TB1251
TB1251CN
2001-03-06 2/80
ブロック図
Split SIF
Processor
6.5 MHz
Uni-SIF beet up
FM DEMOD.
Gain Sw
Chroma Baseband Proc.
<Color>
<Unicolor>
BIAS
PIF Proc.
L-SECAM
Chroma DEMOD.
PAL/NTSC/SECAM
1 H delay line
1 X
tal
<TINT>
<color system>
<F ID>
<Killer Sence>
Clamp
BBTINT
Mode SW
Y Proc.
Clamp
C-TRAP
Black Stretch
DC restore
Y-
γ
Y-D.L.
A.C.
Sub-Cont
Uni-Color
Bright
WPS
Half T.
<ABL START P>
<ABL GAIN>
<c-trap>
<B.S.>
<DC rest>
<
γ
>
<DL>
<P.SHARP>
<S.CONT>
<CONT>
<BRT>
<H.T>
AUDIO ATT
<ATT>
RGB Interface
Bright <RGB BRT>
Uni-Color <RGB CONT>
V PROC.
<V.SIZE>
<V.LINEAR.>
<V-S CORR.>
<V.SHIFT>
EW PROC.
<H.SIZE>
<EW PARA.>
<TRAPEZIUM>
<EW CONER>
DEF Proc.
H, V synchronization
<Lock det.>
<Sync det>
<AFC1 Gain>
I
2
C Bus
IF
EHT H/V
<EHT.H>
<EHT.V>
F
H
C
H
H
D
S
S
B
D
D
S
29
30
31
32
33
34
35
36
28
27
26
25
24
23
22
21
20
19
18
16
15
14
13
12
11
10
9
8
7
6
5
4
3
2
1
37
38
39
41
42
43
44
45
46
47
48
49
50
51
54
55
56
40
17
Y
D
E
Y
C
C
C
C
D
PIF tank
E
L
V
D
B
I
A
H
6.5 MHz
BPF
A
r
V
V
V
V
B
G
R
Y
E
E
E
Y
R
C
C
4
t
A
I
R
IF IN
I
A
S
R
I
C
(
TRAP
Cutoff/Drive
<R.G.B.CUTTOFF>
<R.G.B.DRIVE>
P
52
53
AVSW
Matrix/SW
SAW
SAW
BIAS
5
1
st SIF IN
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