CX25870 Datasheet, PDF (134/291 Pages) Conexant Systems, Inc – Video Encoder with Adaptive Flicker Filtering and HDTV Output

3.0 PC Board Considerations
3.2 Power and Ground Planes
CX25870/871
Flicker-Free Video Encoder with Ultrascale Technology
Figure 3-3. Connection Diagram for Output Filters and Other Key Passive Components/Standard and HDTV Out
DAC A
D9
BAT54S
SOT-23
5443R10-004
VAA
3.3 V
CX25870/871
DAC B
D7
BAT54S
SOT-23
5443R10-004
VAA
3.3 V
DAC C
D8
BAT54S
SOT-23
5443R10-004
VAA
3.3 V
DAC D
D9
BAT54S
SOT-23
5443R10-004
VAA
3.3 V
HD Filter C8
33 pF
0805
5%
R11
75.0 Ω
0805
1%
L1
0.27 µH
C9 1210
62 pF 5%
0805
5%
C10
75 pF
0805
5%
HD Filter _C8
33 pF
0805
5%
R2
75.0 Ω
0805
1%
L1
0.27 µH
C9 1210
62 pF 5%
0805
5%
C10
75 pF
0805
5%
HD Filter _C8
33 pF
0805
5%
R7
75.0 Ω
0805
1%
L1
0.27 µH
C9 1210
62 pF 5%
0805
5%
C10
75 pF
0805
5%
SD Filter 22 pF
0805
5%
R11
75.0 Ω
0805
1%
L1
1.8 µH
C21 1210
270 pF 5%
0805
5%
C22
330 pF
0805
5%
DOUT 2
CVBS = Composite #1
or HD PB
BOUT 2
Y = Luma
or HD Y
COUT 2
C = Chroma
or HD PR
2
CVBS = Composite #2
NOTE(S):
1. HD Filter imparts a passband of DC to 30 MHz.
2. SD Filter imparts a passband of DC to 8 MHz.
100381_084
3-4
Conexant
100381B