參數(shù)資料
型號(hào): 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(yè)數(shù): 75/80頁(yè)
文件大小: 1935K
代理商: TB1251
TB1251CN
2001-03-06 75/80
/
Bus
D37
EW
/V
TR
Trapezium correction:
0/31
:
(1)
25 (V NFB)
V
P25
(2)
48 (EHT in)
6 V
(3) EW Trapezium
0
25 (V NFB)
V
TR
(00)
(4) EW Trapezium
31
25 (V NFB)
V
TR
(31)
(5) V
TR
=
±
(V
TR
(00)
V
TR
(31))/2
×
V
P23
×
100%
D38
EHT
(EW
)
/
V
EWP EHT
Trapezium correction:
0~31
H.EHT: 7
:
(1) EW Parabola
0 (
)
41 (EW OUT)
EW Trapezium
(2) H.EHT
7
(3)
48 (EHT in) 6 V
41 (EW OUT)
V
EHP
(6)
(4)
48 (EHT in) 1 V
(5)
41 (EW OUT)
V
EHP
(1)
(6)
V
EWP EHT
=
(V
EHP
(6)
V
EHP
(1))/V
EHP
(6)
×
100%
25
V
P25
V
TR
V
EHP
(6)
41
V
EHP
(1)
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