SAB9080 NTSC Picture-In-Picture (PIP) ControllerThe SAB9080 is an NTSC PIP controller which CAN be
used in double window applications. The SAB9080 inserts
one or two live Video signals with reduced size into another
live Video signal. The incoming Video signals are expected
to be Analog baseband signals.
The conversion to the digital environment is done on chip
with ADCs Processing and storage of the Video data is
done entirely in the digital domain. The conversion back to
the Analog domain is done by DACs
Internal Clocks are generated by PLLs which lock on to the
applied horizontal and vertical syncs.
The main input channel is compressed horizontally by a
factor of two and directly fed to the output. After
compression, a horizontal expansion of two is possible for
the main channel.
The subchannel is also compressed horizontally by a
factor of two but stored in memory before it is fed to the
outputs.
By NXP Semiconductors |
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