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GS4982CDA(1996) 查看數據表(PDF) - Gennum -> Semtech
零件编号
产品描述 (功能)
生产厂家
GS4982CDA
(Rev.:1996)
Video Sync Separators with 50% Sync Slicing
Gennum -> Semtech
GS4982CDA Datasheet PDF : 7 Pages
1
2
3
4
5
6
7
525
1
2
COMPOSITE
VIDEO INPUT
COMPOSITE SYNC OUTPUT
GS4882
BACK PORCH OUTPUT
GS4882, GS4982
HORIZONTAL OUTPUT
GS4982
VERTICAL SYNC OUTPUT
GS4882, GS4982
ODD/EVEN OUTPUT
GS4882, GS4982
3
4
5
6
HSYNC INTERNAL
600ns
2.5
µ
s
7
8
COMPOSITE
VIDEO INPUT
BACK PORCH
OUTPUT
525ns
2.5
µ
s
Fig. 8 GS4882, GS4982 Video Sync Separator Timing Diagram
V
CC
0.1
V
EE
0.1
VIDEO
75
Ω
10
V
CLAMP
0.1
8
6
GB4571
2
STROBED
7
DC RESTORE
31
45
C
HOLD
1.0nF
2
GS4882
8
SYNC
SEPARATOR
4
5
6
227k
0.1
All resistors in ohms, all capacitors
in microfarads unless otherwise stated
V
CC
0.1
BACK
PORCH
PULSE
R
OUT
CLAMPED
VIDEO
C
L
OUTPUT
Fig. 9 Typical NTSC Application Diagram
521 - 61 - 00
6
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