FN7510.0 February 14, 2008 Sync Separator NTSC Vertical Timing Sync Separator NTSC Horizontal Timing 1 2 3 4 5 6 7 8 9 10 19 20 2" />
參數(shù)資料
型號: ISL59450IQZ
廠商: Intersil
文件頁數(shù): 26/37頁
文件大小: 0K
描述: IC SWITCH VID CRSSPNT 128-MQFP
標準包裝: 66
系列: *
32
FN7510.0
February 14, 2008
Sync Separator NTSC Vertical Timing
Sync Separator NTSC Horizontal Timing
1
2
3
4
5
6
7
8
9
10
19
20
21
3H
VERTICAL BLANKING INTERVAL = 20H
+H
-H
1271s
+63.5s
-0s
1.5s ±0.1s
TIME
9 LINE VERTICAL INTERVAL
PRE-
EQUALIZING
PULSE INTERVAL
VERTICAL SYNC
PULSE INTERVAL
POST-
EQUALIZING
PULSE INTERVAL
H
H SYNC
INTERVAL
START OF
FIELD ONE
H
0.5H
H
REF SUBCARRIER PHASE,
COLOR FIELD ONE
SIGNAL 1a. COMPOSITE VIDEO INPUT, FIELD ONE
SIGNAL 1b. VERTICAL SYNC OUTPUT
SIGNAL 1c. HORIZONTAL SYNC OUTPUT
280s
NOTES:
2. The composite sync output reproduces all the video input sync pulses, with a propagation delay.
3. Vertical sync leading edge is coincident with the first vertical serration pulse leading edge with a propagation delay.
4. Horizontal sync output produces the true “H” pulses of nominal width of 5s. It has the same delay as the composite sync.
50%
SYNC
TIP
VSYNC
(SYNC TIP
VOLTAGE)
VSLICE
SYNC LEVEL
COLOR BURST
VBLANK
(BLANKING LEVEL
VOLTAGE)
WHITE LEVEL
INPUT
DYNAMIC
RANGE
0.5V TO 2V
VIDEO
SYNC
tdHOUT
tHOUT
SYNC IN
HOUT
CONDITIONS: VD = 3.3V, TA = +25°C
ISL59450
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