cx25870 Conexant Systems, Inc., cx25870 Datasheet - Page 79

• Manufacturer Part Number: cx25870
• Description: Video Encoder With Adaptive Flicker Filtering And Hdtv Output
• Manufacturer: Conexant Systems, Inc.

CX25870/871
Flicker-Free Video Encoder with Ultrascale Technology
Figure 1-31. Composite and S-Video Format (Internal Colorbars)
Table 1-19. Composite and Luminance Amplitude
100381B
NTSC-M (volts)
NTSC-J (volts)
PAL-B (volts)
NOTE(S):
NOTE(S):
1. A is the DC (luminance) amplitude referenced to black, except for A
2. M numbers are the peak-to-peak amplitudes of the subcarrier waveform.
Amplitudes
Composite
Y and
x
x
A
x
is the DC (luminance) amplitude referenced to black, except for A
Composite
S Video
–0.286
–0.286
–0.300
A
sync
C
Y
A
A
sync
sync
different color bar outputs.
0.661
0.714
0.700
A
wht
Figure 1-31
M
M
b
b
0.441
0.477
0.465
A
yel
and
A
M
A
wht
wht
wht
Conexant
Tables 1-19
A
0.347
0.375
0.368
M
A
yel
A
yel
yel
M yel
cyn
A
M
A
cyn
cyn
cyn
M cyn
0.292
0.316
0.308
and
A
A
blk
grn
A
grn
M
grn
M grn
grn
and A
1-20
blk
A
and A
mgt
A
M
M mgt
sync
mgt
mgt
illustrate the voltage amplitudes for the
0.203
0.220
0.217
A
, which are referenced to blank.
mgt
sync
A
M
A
red
M red
red
red
, which are referenced to blank.
A
blu
M
A
0.149
0.161
0.157
blu
blu
M blu
A
red
1.0 Functional Description
M
A
A
blk
blk
blk
1.3 Device Description
Blank
Level
0.054
0.059
0.060
A
blu
0.0536
A
100381_043
blk
0
0
1-63