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60 Chapter 5: Matrox Meteor-II hardware reference
You can change the gain value using the MIL-Lite
MdigControl() command. The supported gain factors are as
follows:
Triple A/D converter
A triple A/D converter with external reference generation and
sync slicing is used for component RGB digitization. The
converter can be operated at up to 30 MSPS.
In addition, the converter’s black and white reference levels can
be adjusted individually. The black and white reference levels
can be adjusted between 0.6 V to 1.6 V and 1.6 V to 2.6 V
respectively, in increments of 10.23 mV (98 distinct
adjustments).
Use the MIL-Lite MdigReference() command to set the black
and white reference levels.
PSG
The Programmable Synchronization Generator (PSG) is
responsible for managing all timing and synchronization
signals.
Phase-locked loop
The high-performance, low-jitter phase-locked loop (PLL) uses
frequency synthesis techniques to generate the clock signal,
when necessary.
The PLL can use the following sources as a reference:
Input video signal
amplitude
(excluding sync)
Total input video
signal amplitude
(including sync)
Required
gain
setting
MIL
0.0 V up to 0.5 V 0.0 - 0.7 Vpp 4 M_GAIN3
0.5 V up to 0.7 V 0.7 - 1.0 Vpp 2.8 (default) M_GAIN2
0.7 V up to 1.0 V 1.0 - 1.4 Vpp 2 M_GAIN1
1.0 V up to 1.5 V 1.4 - 2.1 Vpp 1.3 M_GAIN0
1.5 V up to 2.0 V 2.1 - 2.9 Vpp 1 M_GAIN4