cx25870 Conexant Systems, Inc., cx25870 Datasheet - Page 138

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

3.0 PC Board Considerations
3.3 Recommended Schematics and Layout for CX25870/871
3-8
3.3 Recommended Schematics and Layout for
CX25870/871
For the CX25870/871 to operate at an optimal technical level, it is imperative to
adopt the passive components, values, tolerances, and guidelines contained in the
following figures.
that they yield the best combination of performance and price.
Figure
environment is illustrated in
or 1.1 V) design environment, request assistance from your local FAE. The
finished schematic for the 3.3 V/1.5 V or 3.3 V/1.1 V case will look similar to
Figure
nonrecommended values or greater than recommended tolerances may degrade
the video output quality of the CX25870/871 encoder.
Conexant has done extensive lab testing with these components, and found
The complete schematic diagram for a 3.3 V only design is illustrated in
The complete schematic diagram for a mixed 3.3 V and 1.8 V design
For a complete schematic diagram for a mixed 3.3V and lower voltage (1.5 V
Substitution of resistors, capacitors, inductors, and crystals with
3-4.
3-5.
Conexant
Flicker-Free Video Encoder with Ultrascale Technology
Figure
3-5.
CX25870/871
100381B