
COMPOSITE VIDEO_.I SYNC
or S-video LUMA SEPARATOR
COMPOSITE VIDEO
or S-video CHROMA~
BURST GATE
BURST PHASE / LOOP VOLTAGE CONTROLLED
FILTER CRYSTAL OSCILLATOR (VCXO)
sin
cos SUBCARRIER
- - -~,-- PAL V-AXIS
POLARITY
Figure 28.9
Subcarrier regeneration
Techniques to regenerate subcar-
rier from consumer devices are
described in Consumer analog
NTSC and PAL,
on page 579.
Although 4fs C NTSC systems
sample on the [/, Q]
axes, narrow-
band Q is rarely used. See NTSC
Y'IQ system,
on page 365.
encoder of Figure 28.4, and in the PAL encoder of
Figure 28.6. In Figure 28.9, I indicate regeneration ...