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X X
Video Card
A P O G E E X - S E RI E S
Preliminary Data Sheet
X-Video expansion card for the
BIG BEN Master Clock
Designed to fit in the X-Series card slot located in the
rear panel of the BIG BEN. All functions controlled
from the BIG BEN user interface. Generates Video
and provides Genlocking function.
Features:
• Support for PAL, NTSC and 60 Hz B&W standards
• One composite video input and three composite video outputs
• Can operate as a master black-burst generator
• Can operate as genlocking slave device
• In genlocking mode the source video-signal will be re-clocked and regenerated, maintaining the same
field and colorburst phase information, but stripped of its line information and replaced by video-black.
• In slave mode the board will auto-detect the incoming video-standard and configure itself accordingly.
The video input is of very high tolerance and will even lock to unstable sources like VCR's.
There are three modes of operation:
• Master mode: The user selects the video format on the frontpanel of the BIG BEN. The BIG BEN will
slave to the generated video signal.
• Attended Slave mode: The video board will be configured to autodetect and genlock to the incoming
video. The BIG BEN will slave to the incoming video signal.
• Unattended Slave mode: The video board will be configured to autodetect and genlock to the incoming
video. The BIG BEN is not clocking to the Video board and therefore both will function independently.
Specifications:
Inputs: 1 x BNC 1Vpp at 75 ohm
Outputs: 3 x BNC 0.3Vpp, 75 ohm
Clocking: Temperature compensated crystal.
Stability: 5 ppm
Supported standards:
625/50
525/59.94
525/60
(Board can be configured to generate color bar through internal jumper)
PAL
composite black-burst with color burst
NTSC
composite black-burst with color burst
B&W
composite black-burst
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