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| LMH1981 Datasheet, PDF (5/24 Pages) National Semiconductor (TI) – Multi-Format Video Sync Separator | |||
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www.ti.com
SDTV Vertical Interval Timing (NTSC, PAL, 480I, 576I)
H
VIN
LINE #
525
CSOUT
START OF FIELD 1
3H
H
1
2
3
3H
VERTICAL SYNC
SERRATION
4
5
6
LMH1981
SNLS214H â APRIL 2006 â REVISED MARCH 2013
3H
½H
7
8
9
COLOR
BURST
10
11
HSOUT
BPOUT
VSOUT
TVSOUT = 3H
OEOUT
ODD FIELD
Figure 3. NTSC Odd Field Vertical Interval
VIN
LINE #
CSOUT
START OF FIELD 2
3H
3H
3H
½H
263
264
265
266
267
268
269
270
271
272
273
HSOUT
BPOUT
VSOUT
TVSOUT = 3H
OEOUT
EVEN FIELD
Figure 4. NTSC Even Field Vertical Interval
Copyright © 2006â2013, Texas Instruments Incorporated
Product Folder Links: LMH1981
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