THS8200 Datasheet, PDF (42/97 Pages) Texas Instruments – ALL FORMAT OVERSAMPLED COMPONENT VIDEO/PC GRAPHICS D/A SYSTEM WITH THREE 11-BIT DACS,CGMS DATA INSERTION

4.7.3.9 SDTV Mode
In SDTV mode, the start of a video line is signaled by the leading edge of a negative-going bi-level sync.
f
f
90% of Amplitude
50% of Amplitude
V
10% of Amplitude
f
f
Sm
b
90% of Amplitude
50% of Amplitude
a
10% of Amplitude
d
Figure 4–26. Horizontal Synchronization Signal Waveform
4–27