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National Instruments Corporation
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Specifications
This appendix lists the specifications of the PCI-1408 and PXI-1408
devices. These specifications are typical at 25 °C, unless otherwise stated.
Formats Supported
RS-170/NTSC ........................................ 60 Hz
(Interlaced mode: 60 fields/s)
CCIR/PAL.............................................. 50 Hz
(Interlaced mode: 50 fields/s)
Variable scan.......................................... Programmable
Video Input
Quantity.................................................. Four monochrome
Input impedance ..................................... 75
Ω
VIDEO0 ................................................. RSE (BNC)
VIDEO<3..0>......................................... RSE or DIFF (DSUB)
Frequency response................................ 20 MHz (–3 dB) typ
Antichrominance filter ........................... Programmable (disabled,
3.58 MHz notch filter, or
4.43 MHz notch filter)
Filter characteristics ............................... Attenuation at notch
frequency > 25 dB
Gain ........................................................ Programmable (1, 1.33, or 2)
Black reference ...................................... Programmable (0–1.26 V in 64
20 mV steps at a gain of 1)
White reference ...................................... Programmable (0–1.26 V in 64
20 mV steps at a gain of 1)