Videos Input Channels - Data Translation DT3120 User Manual

Chapter 2

Videos Input Channels

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The following video formats are supported for monochrome and
composite inputs:
• NTSC − Standard for 60 Hz, color video signal. In this format, the
video input is a single analog signal. A video frame is displayed
as 640 x 480 lines.
• RS-170 − Standard for 60 Hz, monochrome video signal. In this
format, the video input is a single analog signal. A video frame is
displayed as 640 x 480 lines.
• PAL − Standard for 50 Hz, color video signal. In this format, the
video input is a single analog signal. A video frame is displayed
as 768 x 576 lines.
• CCIR − Standard for 50 Hz, monochrome video signal. In this
format, the video input is a single analog signal. A video frame is
displayed as 768 x 576 lines.
The Y/C format is supported for an S-video input. In this format, the
video input is provided as two separate analog signals. The Y signal
contains luminance information (the gray-scale portion of the color
image). The C signal contains chrominance information (the color
portion of the image). For 60 Hz, a video frame is displayed as 640 x
480 lines. For 50 Hz, a video frame is displayed as 768 x 576 lines.
The DT3120 board accepts one composite (CVSB) or one S-video
input source at a time. Connect the composite input to connector J2
connector on the DT3120 board or connect the S-video input to
connector J 3 on the DT3120 board.