参数资料
型号: LC7475
元件分类: 画面叠加
英文描述: ON-SCREEN DISPLAY IC, PDIP22
封装: SDIP-22
文件页数: 3/12页
文件大小: 150K
代理商: LC7475
LC7475
No.3885–11/12
Composite Video Output
The character and background images are superimposed onto the composite video signal, which is shown in figure 4.
The relative carrier amplitude and the corresponding DC voltage output amplitude are shown in table 20.
Table 20. Relative amplitude and DC output amplitude
Figure 4. Composite video output waveform
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E
R
I
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d
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il
p
m
a
r
e
i
r
a
c
e
v
i
t
a
l
e
R
)
V
(
e
d
u
t
il
p
m
a
e
g
a
t
l
o
v
t
u
p
t
u
O
0
.
0
1
0
8
.
2
1
.
5
8
9
5
.
2
8
.
0
6
5
2
.
2
5
.
1
2
0
7
.
1
7
.
5
8
4
.
1
0
4
.
1
5
.
1
2
0
1
.
1
0
.
3
4
0
8
.
0
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