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National Instruments Corporation
A-1
PCI/PXI-1408 and NI-IMAQ for Win95/NT
Appendix
A
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 or DIFF (BNC or DSUB)
VIDEO<3..1> .....................................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)