参数资料
型号: DG894
厂商: Vishay Intertechnology,Inc.
英文描述: Component Video Selector(用于视频信号转换的视频选择器)
中文描述: 分量视频选择(用于视频信号转换的视频选择器)
文件页数: 5/10页
文件大小: 134K
代理商: DG894
DG894
Vishay Siliconix
Document Number: 70072
S-52433—Rev. D, 06-Sep-99
www.siliconix.com FaxBack 408-970-5600
5-5
FIGURE 1.
Switching Time
Switch
Input
Logic
Input
Switch
Output
V
S
5 V
0 V
50%
90%
t
ON
t
OFF
V
S
R
L
R
L
+ r
DS(on)
V
O
= V
S
C
L
(includes fixture and stray capacitance)
V–
V+
IN
S
C
35 pF
D
3 V
R
L
1 k
V
O
–5 V
GND
+12 V
FIGURE 2.
Component Crosstalk
FIGURE 3.
Channel Crosstalk
R
L
1 k
e.g., Y or C
e.g., Y
1
or C
1
e.g., Y
2
or C
2
X
TALK(CO)
20 log
10
V
OUT
V
IN
Y
OUT
or
C
OUT
10
1 k
B
2
R
2
G
2
X
TALK(CH)
20 log
10
V
OUT
V
IN
B
OUT
10
10
R
L
1 k
1 k
FB
OUT
FIGURE 4.
Bandwidth
FB
1
B
1
+12 V
–5 V
GND
V+
V–
C
S
R
L
50
D
R
g
= 75
V
S
V
O
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